/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:46:51,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:46:51,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 02:46:51,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:46:51,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:46:51,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:46:51,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:46:51,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:46:51,163 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:46:51,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:46:51,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:46:51,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:46:51,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:46:51,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:46:51,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:46:51,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:46:51,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:46:51,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:46:51,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:46:51,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:46:51,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:46:51,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:46:51,169 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:46:51,169 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:46:51,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:46:51,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:46:51,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:46:51,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:46:51,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:46:51,170 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:46:51,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:46:51,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:46:51,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:46:51,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:46:51,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:46:51,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:46:51,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:46:51,360 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:46:51,362 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:46:51,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2023-11-30 02:46:52,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:46:52,460 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:46:52,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2023-11-30 02:46:52,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a62d025/c6db7a3b84384721a7e1b54916e9edb1/FLAG60a84b821 [2023-11-30 02:46:52,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a62d025/c6db7a3b84384721a7e1b54916e9edb1 [2023-11-30 02:46:52,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:46:52,482 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:46:52,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:46:52,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:46:52,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:46:52,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22bd02a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52, skipping insertion in model container [2023-11-30 02:46:52,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:46:52,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:46:52,675 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:46:52,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:46:52,725 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:46:52,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52 WrapperNode [2023-11-30 02:46:52,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:46:52,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:46:52,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:46:52,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:46:52,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,772 INFO L138 Inliner]: procedures = 25, calls = 38, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 343 [2023-11-30 02:46:52,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:46:52,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:46:52,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:46:52,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:46:52,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:46:52,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:46:52,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:46:52,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:46:52,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (1/1) ... [2023-11-30 02:46:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:46:52,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:46:52,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 02:46:52,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 02:46:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:46:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:46:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:46:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 02:46:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 02:46:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 02:46:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 02:46:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 02:46:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:46:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 02:46:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:46:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:46:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:46:52,891 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 02:46:52,985 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:46:52,987 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:46:53,328 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:46:53,339 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:46:53,339 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-30 02:46:53,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:46:53 BoogieIcfgContainer [2023-11-30 02:46:53,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:46:53,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:46:53,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:46:53,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:46:53,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:46:52" (1/3) ... [2023-11-30 02:46:53,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4126f4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:46:53, skipping insertion in model container [2023-11-30 02:46:53,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:46:52" (2/3) ... [2023-11-30 02:46:53,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4126f4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:46:53, skipping insertion in model container [2023-11-30 02:46:53,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:46:53" (3/3) ... [2023-11-30 02:46:53,345 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2023-11-30 02:46:53,355 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:46:53,355 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-30 02:46:53,355 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:46:53,475 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 02:46:53,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 430 places, 449 transitions, 912 flow [2023-11-30 02:46:53,671 INFO L124 PetriNetUnfolderBase]: 26/447 cut-off events. [2023-11-30 02:46:53,672 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 02:46:53,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 447 events. 26/447 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 706 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 255. Up to 2 conditions per place. [2023-11-30 02:46:53,679 INFO L82 GeneralOperation]: Start removeDead. Operand has 430 places, 449 transitions, 912 flow [2023-11-30 02:46:53,687 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 406 places, 423 transitions, 858 flow [2023-11-30 02:46:53,696 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:46:53,702 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12926c15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:46:53,703 INFO L363 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-30 02:46:53,708 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:46:53,709 INFO L124 PetriNetUnfolderBase]: 3/59 cut-off events. [2023-11-30 02:46:53,709 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:46:53,709 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:46:53,709 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:46:53,709 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:46:53,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:46:53,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2110557148, now seen corresponding path program 1 times [2023-11-30 02:46:53,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:46:53,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364186120] [2023-11-30 02:46:53,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:46:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:46:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:46:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:46:54,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:46:54,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364186120] [2023-11-30 02:46:54,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364186120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:46:54,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:46:54,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:46:54,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581742834] [2023-11-30 02:46:54,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:46:54,117 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:46:54,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:46:54,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:46:54,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:46:54,157 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 449 [2023-11-30 02:46:54,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 423 transitions, 858 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:54,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:46:54,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 449 [2023-11-30 02:46:54,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:46:54,325 INFO L124 PetriNetUnfolderBase]: 42/937 cut-off events. [2023-11-30 02:46:54,325 INFO L125 PetriNetUnfolderBase]: For 35/36 co-relation queries the response was YES. [2023-11-30 02:46:54,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 937 events. 42/937 cut-off events. For 35/36 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3984 event pairs, 15 based on Foata normal form. 43/839 useless extension candidates. Maximal degree in co-relation 696. Up to 56 conditions per place. [2023-11-30 02:46:54,336 INFO L140 encePairwiseOnDemand]: 430/449 looper letters, 13 selfloop transitions, 2 changer transitions 6/406 dead transitions. [2023-11-30 02:46:54,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 406 transitions, 854 flow [2023-11-30 02:46:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:46:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:46:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1274 transitions. [2023-11-30 02:46:54,352 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9458054936896808 [2023-11-30 02:46:54,353 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1274 transitions. [2023-11-30 02:46:54,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1274 transitions. [2023-11-30 02:46:54,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:46:54,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1274 transitions. [2023-11-30 02:46:54,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 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) [2023-11-30 02:46:54,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:54,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:54,405 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 1 predicate places. [2023-11-30 02:46:54,405 INFO L500 AbstractCegarLoop]: Abstraction has has 407 places, 406 transitions, 854 flow [2023-11-30 02:46:54,406 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:54,406 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:46:54,406 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:46:54,406 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:46:54,407 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:46:54,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:46:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash -238933603, now seen corresponding path program 1 times [2023-11-30 02:46:54,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:46:54,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348191104] [2023-11-30 02:46:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:46:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:46:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:46:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:46:55,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:46:55,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348191104] [2023-11-30 02:46:55,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348191104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:46:55,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:46:55,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:46:55,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25759718] [2023-11-30 02:46:55,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:46:55,023 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:46:55,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:46:55,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:46:55,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:46:55,025 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 449 [2023-11-30 02:46:55,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 406 transitions, 854 flow. Second operand has 6 states, 6 states have (on average 354.8333333333333) internal successors, (2129), 6 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:55,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:46:55,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 449 [2023-11-30 02:46:55,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:46:56,950 INFO L124 PetriNetUnfolderBase]: 2963/15700 cut-off events. [2023-11-30 02:46:56,950 INFO L125 PetriNetUnfolderBase]: For 272/294 co-relation queries the response was YES. [2023-11-30 02:46:56,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20369 conditions, 15700 events. 2963/15700 cut-off events. For 272/294 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 183891 event pairs, 2525 based on Foata normal form. 0/13215 useless extension candidates. Maximal degree in co-relation 19522. Up to 4225 conditions per place. [2023-11-30 02:46:57,054 INFO L140 encePairwiseOnDemand]: 437/449 looper letters, 66 selfloop transitions, 10 changer transitions 6/404 dead transitions. [2023-11-30 02:46:57,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 404 transitions, 1002 flow [2023-11-30 02:46:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:46:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:46:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2196 transitions. [2023-11-30 02:46:57,059 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8151447661469933 [2023-11-30 02:46:57,060 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2196 transitions. [2023-11-30 02:46:57,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2196 transitions. [2023-11-30 02:46:57,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:46:57,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2196 transitions. [2023-11-30 02:46:57,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:57,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:57,069 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:57,069 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 4 predicate places. [2023-11-30 02:46:57,070 INFO L500 AbstractCegarLoop]: Abstraction has has 410 places, 404 transitions, 1002 flow [2023-11-30 02:46:57,071 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 354.8333333333333) internal successors, (2129), 6 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:57,071 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:46:57,071 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:46:57,071 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:46:57,071 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:46:57,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:46:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 524953959, now seen corresponding path program 1 times [2023-11-30 02:46:57,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:46:57,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3997073] [2023-11-30 02:46:57,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:46:57,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:46:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:46:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:46:57,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:46:57,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3997073] [2023-11-30 02:46:57,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3997073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:46:57,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:46:57,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:46:57,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188111104] [2023-11-30 02:46:57,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:46:57,202 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:46:57,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:46:57,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:46:57,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:46:57,213 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 449 [2023-11-30 02:46:57,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 404 transitions, 1002 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:57,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:46:57,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 449 [2023-11-30 02:46:57,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:46:59,107 INFO L124 PetriNetUnfolderBase]: 3338/17277 cut-off events. [2023-11-30 02:46:59,107 INFO L125 PetriNetUnfolderBase]: For 679/755 co-relation queries the response was YES. [2023-11-30 02:46:59,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22888 conditions, 17277 events. 3338/17277 cut-off events. For 679/755 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 204308 event pairs, 2780 based on Foata normal form. 0/14551 useless extension candidates. Maximal degree in co-relation 21950. Up to 4608 conditions per place. [2023-11-30 02:46:59,201 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 13 selfloop transitions, 2 changer transitions 6/403 dead transitions. [2023-11-30 02:46:59,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 403 transitions, 1030 flow [2023-11-30 02:46:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:46:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:46:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2023-11-30 02:46:59,204 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9339272457312546 [2023-11-30 02:46:59,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1258 transitions. [2023-11-30 02:46:59,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1258 transitions. [2023-11-30 02:46:59,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:46:59,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1258 transitions. [2023-11-30 02:46:59,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:59,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:59,209 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:59,209 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 5 predicate places. [2023-11-30 02:46:59,210 INFO L500 AbstractCegarLoop]: Abstraction has has 411 places, 403 transitions, 1030 flow [2023-11-30 02:46:59,210 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:59,210 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:46:59,210 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:46:59,210 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:46:59,211 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:46:59,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:46:59,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1321957302, now seen corresponding path program 1 times [2023-11-30 02:46:59,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:46:59,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593798555] [2023-11-30 02:46:59,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:46:59,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:46:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:46:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:46:59,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:46:59,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593798555] [2023-11-30 02:46:59,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593798555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:46:59,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:46:59,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:46:59,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837912153] [2023-11-30 02:46:59,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:46:59,242 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:46:59,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:46:59,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:46:59,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:46:59,244 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 449 [2023-11-30 02:46:59,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 403 transitions, 1030 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:46:59,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:46:59,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 449 [2023-11-30 02:46:59,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:01,479 INFO L124 PetriNetUnfolderBase]: 3543/19925 cut-off events. [2023-11-30 02:47:01,479 INFO L125 PetriNetUnfolderBase]: For 3738/5372 co-relation queries the response was YES. [2023-11-30 02:47:01,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26485 conditions, 19925 events. 3543/19925 cut-off events. For 3738/5372 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 243548 event pairs, 2956 based on Foata normal form. 0/16760 useless extension candidates. Maximal degree in co-relation 25953. Up to 5092 conditions per place. [2023-11-30 02:47:01,712 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 13 selfloop transitions, 2 changer transitions 6/402 dead transitions. [2023-11-30 02:47:01,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 402 transitions, 1058 flow [2023-11-30 02:47:01,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2023-11-30 02:47:01,715 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9339272457312546 [2023-11-30 02:47:01,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1258 transitions. [2023-11-30 02:47:01,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1258 transitions. [2023-11-30 02:47:01,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:01,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1258 transitions. [2023-11-30 02:47:01,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:01,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:01,720 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:01,721 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 6 predicate places. [2023-11-30 02:47:01,721 INFO L500 AbstractCegarLoop]: Abstraction has has 412 places, 402 transitions, 1058 flow [2023-11-30 02:47:01,722 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:01,722 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:01,722 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:01,722 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 02:47:01,722 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:01,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:01,723 INFO L85 PathProgramCache]: Analyzing trace with hash -821058799, now seen corresponding path program 1 times [2023-11-30 02:47:01,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:01,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812325171] [2023-11-30 02:47:01,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:47:01,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:01,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812325171] [2023-11-30 02:47:01,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812325171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:01,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:01,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:01,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884895860] [2023-11-30 02:47:01,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:01,778 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:01,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:01,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:01,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:01,780 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 449 [2023-11-30 02:47:01,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 402 transitions, 1058 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:01,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:01,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 449 [2023-11-30 02:47:01,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:03,923 INFO L124 PetriNetUnfolderBase]: 3820/21882 cut-off events. [2023-11-30 02:47:03,923 INFO L125 PetriNetUnfolderBase]: For 6533/8221 co-relation queries the response was YES. [2023-11-30 02:47:03,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29241 conditions, 21882 events. 3820/21882 cut-off events. For 6533/8221 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 272174 event pairs, 3188 based on Foata normal form. 0/18395 useless extension candidates. Maximal degree in co-relation 28652. Up to 5605 conditions per place. [2023-11-30 02:47:04,024 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 13 selfloop transitions, 2 changer transitions 6/401 dead transitions. [2023-11-30 02:47:04,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 401 transitions, 1086 flow [2023-11-30 02:47:04,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:04,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2023-11-30 02:47:04,027 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9339272457312546 [2023-11-30 02:47:04,027 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1258 transitions. [2023-11-30 02:47:04,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1258 transitions. [2023-11-30 02:47:04,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:04,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1258 transitions. [2023-11-30 02:47:04,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:04,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:04,032 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:04,032 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 7 predicate places. [2023-11-30 02:47:04,033 INFO L500 AbstractCegarLoop]: Abstraction has has 413 places, 401 transitions, 1086 flow [2023-11-30 02:47:04,033 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:04,033 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:04,033 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:04,033 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 02:47:04,034 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:04,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:04,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1915804808, now seen corresponding path program 1 times [2023-11-30 02:47:04,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:04,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748731619] [2023-11-30 02:47:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:47:04,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:04,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748731619] [2023-11-30 02:47:04,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748731619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:04,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:04,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:04,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869607402] [2023-11-30 02:47:04,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:04,060 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:04,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:04,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:04,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:04,061 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 449 [2023-11-30 02:47:04,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 401 transitions, 1086 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:04,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:04,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 449 [2023-11-30 02:47:04,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:06,165 INFO L124 PetriNetUnfolderBase]: 3726/21253 cut-off events. [2023-11-30 02:47:06,165 INFO L125 PetriNetUnfolderBase]: For 8357/9901 co-relation queries the response was YES. [2023-11-30 02:47:06,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28482 conditions, 21253 events. 3726/21253 cut-off events. For 8357/9901 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 262647 event pairs, 3106 based on Foata normal form. 0/17882 useless extension candidates. Maximal degree in co-relation 27247. Up to 5446 conditions per place. [2023-11-30 02:47:06,279 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 11 selfloop transitions, 2 changer transitions 6/402 dead transitions. [2023-11-30 02:47:06,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 402 transitions, 1127 flow [2023-11-30 02:47:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2023-11-30 02:47:06,282 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2023-11-30 02:47:06,282 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2023-11-30 02:47:06,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2023-11-30 02:47:06,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:06,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2023-11-30 02:47:06,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:06,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:06,287 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:06,287 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 7 predicate places. [2023-11-30 02:47:06,287 INFO L500 AbstractCegarLoop]: Abstraction has has 413 places, 402 transitions, 1127 flow [2023-11-30 02:47:06,288 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:06,288 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:06,288 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:06,288 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 02:47:06,288 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:06,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:06,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1470458961, now seen corresponding path program 1 times [2023-11-30 02:47:06,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:06,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870234517] [2023-11-30 02:47:06,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:06,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:47:06,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:06,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870234517] [2023-11-30 02:47:06,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870234517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:06,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:06,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:06,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051657970] [2023-11-30 02:47:06,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:06,316 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:06,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:06,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:06,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:06,317 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 449 [2023-11-30 02:47:06,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 402 transitions, 1127 flow. Second operand has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 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) [2023-11-30 02:47:06,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:06,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 449 [2023-11-30 02:47:06,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:08,346 INFO L124 PetriNetUnfolderBase]: 3632/20575 cut-off events. [2023-11-30 02:47:08,346 INFO L125 PetriNetUnfolderBase]: For 10394/12002 co-relation queries the response was YES. [2023-11-30 02:47:08,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27644 conditions, 20575 events. 3632/20575 cut-off events. For 10394/12002 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 252998 event pairs, 3003 based on Foata normal form. 0/17324 useless extension candidates. Maximal degree in co-relation 27013. Up to 5269 conditions per place. [2023-11-30 02:47:08,493 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 12 selfloop transitions, 2 changer transitions 6/403 dead transitions. [2023-11-30 02:47:08,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 403 transitions, 1172 flow [2023-11-30 02:47:08,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2023-11-30 02:47:08,495 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2023-11-30 02:47:08,495 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2023-11-30 02:47:08,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2023-11-30 02:47:08,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:08,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2023-11-30 02:47:08,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:08,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:08,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:08,500 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 7 predicate places. [2023-11-30 02:47:08,500 INFO L500 AbstractCegarLoop]: Abstraction has has 413 places, 403 transitions, 1172 flow [2023-11-30 02:47:08,501 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 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) [2023-11-30 02:47:08,501 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:08,501 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:08,501 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 02:47:08,501 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:08,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:08,501 INFO L85 PathProgramCache]: Analyzing trace with hash 203590022, now seen corresponding path program 1 times [2023-11-30 02:47:08,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:08,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335588535] [2023-11-30 02:47:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:08,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:47:08,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:08,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335588535] [2023-11-30 02:47:08,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335588535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:08,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:08,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:47:08,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308544264] [2023-11-30 02:47:08,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:08,615 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 02:47:08,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:08,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 02:47:08,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-30 02:47:08,616 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 449 [2023-11-30 02:47:08,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 403 transitions, 1172 flow. Second operand has 5 states, 5 states have (on average 389.8) internal successors, (1949), 5 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:08,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:08,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 449 [2023-11-30 02:47:08,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:10,898 INFO L124 PetriNetUnfolderBase]: 3632/20603 cut-off events. [2023-11-30 02:47:10,898 INFO L125 PetriNetUnfolderBase]: For 12935/14543 co-relation queries the response was YES. [2023-11-30 02:47:10,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27828 conditions, 20603 events. 3632/20603 cut-off events. For 12935/14543 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 253002 event pairs, 3003 based on Foata normal form. 0/17352 useless extension candidates. Maximal degree in co-relation 27062. Up to 5281 conditions per place. [2023-11-30 02:47:10,986 INFO L140 encePairwiseOnDemand]: 435/449 looper letters, 52 selfloop transitions, 12 changer transitions 6/421 dead transitions. [2023-11-30 02:47:10,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 421 transitions, 1372 flow [2023-11-30 02:47:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 02:47:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 02:47:11,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1989 transitions. [2023-11-30 02:47:11,023 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8859688195991091 [2023-11-30 02:47:11,023 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1989 transitions. [2023-11-30 02:47:11,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1989 transitions. [2023-11-30 02:47:11,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:11,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1989 transitions. [2023-11-30 02:47:11,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 397.8) internal successors, (1989), 5 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) [2023-11-30 02:47:11,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:11,039 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:11,039 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 11 predicate places. [2023-11-30 02:47:11,039 INFO L500 AbstractCegarLoop]: Abstraction has has 417 places, 421 transitions, 1372 flow [2023-11-30 02:47:11,040 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 389.8) internal successors, (1949), 5 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:11,040 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:11,040 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:11,040 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 02:47:11,040 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:11,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:11,040 INFO L85 PathProgramCache]: Analyzing trace with hash 734229805, now seen corresponding path program 1 times [2023-11-30 02:47:11,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:11,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843596001] [2023-11-30 02:47:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:11,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-30 02:47:11,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:11,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843596001] [2023-11-30 02:47:11,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843596001] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 02:47:11,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760464319] [2023-11-30 02:47:11,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:11,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:47:11,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:47:11,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:47:11,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-30 02:47:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:11,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-30 02:47:11,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:47:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-30 02:47:11,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:47:11,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-30 02:47:11,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760464319] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:47:11,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 02:47:11,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-30 02:47:11,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928571473] [2023-11-30 02:47:11,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 02:47:11,520 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-30 02:47:11,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:11,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-30 02:47:11,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-30 02:47:11,525 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 449 [2023-11-30 02:47:11,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 421 transitions, 1372 flow. Second operand has 15 states, 15 states have (on average 387.93333333333334) internal successors, (5819), 15 states have internal predecessors, (5819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:11,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:11,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 449 [2023-11-30 02:47:11,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:14,350 INFO L124 PetriNetUnfolderBase]: 3632/20656 cut-off events. [2023-11-30 02:47:14,350 INFO L125 PetriNetUnfolderBase]: For 15568/17172 co-relation queries the response was YES. [2023-11-30 02:47:14,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28095 conditions, 20656 events. 3632/20656 cut-off events. For 15568/17172 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 253060 event pairs, 3004 based on Foata normal form. 0/17403 useless extension candidates. Maximal degree in co-relation 26459. Up to 5301 conditions per place. [2023-11-30 02:47:14,482 INFO L140 encePairwiseOnDemand]: 429/449 looper letters, 64 selfloop transitions, 26 changer transitions 6/445 dead transitions. [2023-11-30 02:47:14,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 445 transitions, 1680 flow [2023-11-30 02:47:14,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 02:47:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 02:47:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4305 transitions. [2023-11-30 02:47:14,489 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8716339339947358 [2023-11-30 02:47:14,489 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4305 transitions. [2023-11-30 02:47:14,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4305 transitions. [2023-11-30 02:47:14,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:14,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4305 transitions. [2023-11-30 02:47:14,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 391.3636363636364) internal successors, (4305), 11 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:14,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 449.0) internal successors, (5388), 12 states have internal predecessors, (5388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:14,502 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 449.0) internal successors, (5388), 12 states have internal predecessors, (5388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:14,502 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 21 predicate places. [2023-11-30 02:47:14,502 INFO L500 AbstractCegarLoop]: Abstraction has has 427 places, 445 transitions, 1680 flow [2023-11-30 02:47:14,503 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 387.93333333333334) internal successors, (5819), 15 states have internal predecessors, (5819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:14,503 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:14,504 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:14,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-30 02:47:14,708 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:47:14,708 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:14,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:14,709 INFO L85 PathProgramCache]: Analyzing trace with hash -146426739, now seen corresponding path program 2 times [2023-11-30 02:47:14,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:14,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478000863] [2023-11-30 02:47:14,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:14,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-30 02:47:14,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:14,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478000863] [2023-11-30 02:47:14,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478000863] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 02:47:14,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751089592] [2023-11-30 02:47:14,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 02:47:14,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:47:14,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:47:14,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:47:14,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-30 02:47:15,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-30 02:47:15,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 02:47:15,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-30 02:47:15,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:47:15,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-30 02:47:15,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-30 02:47:15,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:47:15,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-30 02:47:15,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 02:47:15,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-30 02:47:15,369 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-30 02:47:15,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 02:47:15,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751089592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:15,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-30 02:47:15,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2023-11-30 02:47:15,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063841299] [2023-11-30 02:47:15,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:15,370 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 02:47:15,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:15,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 02:47:15,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-30 02:47:15,372 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2023-11-30 02:47:15,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 445 transitions, 1680 flow. Second operand has 7 states, 7 states have (on average 375.0) internal successors, (2625), 7 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:15,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:15,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2023-11-30 02:47:15,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:17,397 INFO L124 PetriNetUnfolderBase]: 3527/13016 cut-off events. [2023-11-30 02:47:17,397 INFO L125 PetriNetUnfolderBase]: For 15071/28882 co-relation queries the response was YES. [2023-11-30 02:47:17,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25493 conditions, 13016 events. 3527/13016 cut-off events. For 15071/28882 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 129407 event pairs, 695 based on Foata normal form. 48/11235 useless extension candidates. Maximal degree in co-relation 23655. Up to 5273 conditions per place. [2023-11-30 02:47:17,482 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 166 selfloop transitions, 5 changer transitions 6/540 dead transitions. [2023-11-30 02:47:17,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 540 transitions, 2402 flow [2023-11-30 02:47:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 02:47:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 02:47:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2754 transitions. [2023-11-30 02:47:17,505 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8762328985046134 [2023-11-30 02:47:17,505 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2754 transitions. [2023-11-30 02:47:17,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2754 transitions. [2023-11-30 02:47:17,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:17,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2754 transitions. [2023-11-30 02:47:17,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 393.42857142857144) internal successors, (2754), 7 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) [2023-11-30 02:47:17,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 449.0) internal successors, (3592), 8 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:17,514 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 449.0) internal successors, (3592), 8 states have internal predecessors, (3592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:17,515 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 26 predicate places. [2023-11-30 02:47:17,515 INFO L500 AbstractCegarLoop]: Abstraction has has 432 places, 540 transitions, 2402 flow [2023-11-30 02:47:17,516 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 375.0) internal successors, (2625), 7 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:17,516 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:17,516 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:17,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-30 02:47:17,720 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-30 02:47:17,720 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:17,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1973975062, now seen corresponding path program 1 times [2023-11-30 02:47:17,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:17,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590384326] [2023-11-30 02:47:17,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:17,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-30 02:47:17,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:17,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590384326] [2023-11-30 02:47:17,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590384326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:17,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:17,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:17,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492535927] [2023-11-30 02:47:17,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:17,847 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:17,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:17,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:17,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:17,848 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 449 [2023-11-30 02:47:17,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 540 transitions, 2402 flow. Second operand has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:17,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:17,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 449 [2023-11-30 02:47:17,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:19,592 INFO L124 PetriNetUnfolderBase]: 3407/10579 cut-off events. [2023-11-30 02:47:19,593 INFO L125 PetriNetUnfolderBase]: For 20014/25916 co-relation queries the response was YES. [2023-11-30 02:47:19,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23385 conditions, 10579 events. 3407/10579 cut-off events. For 20014/25916 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 96171 event pairs, 676 based on Foata normal form. 10/9178 useless extension candidates. Maximal degree in co-relation 22083. Up to 5196 conditions per place. [2023-11-30 02:47:19,649 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 30 selfloop transitions, 2 changer transitions 6/540 dead transitions. [2023-11-30 02:47:19,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 540 transitions, 2489 flow [2023-11-30 02:47:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2023-11-30 02:47:19,661 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9161098737936154 [2023-11-30 02:47:19,661 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1234 transitions. [2023-11-30 02:47:19,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1234 transitions. [2023-11-30 02:47:19,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:19,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1234 transitions. [2023-11-30 02:47:19,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:19,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:19,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:19,665 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 27 predicate places. [2023-11-30 02:47:19,665 INFO L500 AbstractCegarLoop]: Abstraction has has 433 places, 540 transitions, 2489 flow [2023-11-30 02:47:19,665 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:19,665 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:19,666 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:19,666 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 02:47:19,666 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:19,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:19,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2111738367, now seen corresponding path program 1 times [2023-11-30 02:47:19,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:19,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549572120] [2023-11-30 02:47:19,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:19,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-30 02:47:19,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:19,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549572120] [2023-11-30 02:47:19,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549572120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:19,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:19,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:19,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714555894] [2023-11-30 02:47:19,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:19,725 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:19,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:19,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:19,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:19,726 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 449 [2023-11-30 02:47:19,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 540 transitions, 2489 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:19,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:19,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 449 [2023-11-30 02:47:19,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:21,054 INFO L124 PetriNetUnfolderBase]: 3483/10998 cut-off events. [2023-11-30 02:47:21,054 INFO L125 PetriNetUnfolderBase]: For 26979/32534 co-relation queries the response was YES. [2023-11-30 02:47:21,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24616 conditions, 10998 events. 3483/10998 cut-off events. For 26979/32534 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 101057 event pairs, 692 based on Foata normal form. 0/9600 useless extension candidates. Maximal degree in co-relation 23100. Up to 5433 conditions per place. [2023-11-30 02:47:21,130 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 16 selfloop transitions, 2 changer transitions 6/543 dead transitions. [2023-11-30 02:47:21,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 543 transitions, 2606 flow [2023-11-30 02:47:21,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:21,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2023-11-30 02:47:21,133 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9435783221974758 [2023-11-30 02:47:21,133 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1271 transitions. [2023-11-30 02:47:21,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1271 transitions. [2023-11-30 02:47:21,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:21,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1271 transitions. [2023-11-30 02:47:21,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.6666666666667) internal successors, (1271), 3 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:21,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:21,136 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:21,136 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 27 predicate places. [2023-11-30 02:47:21,137 INFO L500 AbstractCegarLoop]: Abstraction has has 433 places, 543 transitions, 2606 flow [2023-11-30 02:47:21,137 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:21,137 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:21,137 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:21,137 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 02:47:21,137 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:21,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:21,137 INFO L85 PathProgramCache]: Analyzing trace with hash 310463035, now seen corresponding path program 1 times [2023-11-30 02:47:21,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:21,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740930476] [2023-11-30 02:47:21,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:21,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-30 02:47:21,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:21,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740930476] [2023-11-30 02:47:21,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740930476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:21,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:21,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:21,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194416878] [2023-11-30 02:47:21,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:21,188 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:21,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:21,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:21,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:21,189 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 449 [2023-11-30 02:47:21,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 543 transitions, 2606 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:21,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:21,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 449 [2023-11-30 02:47:21,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:22,679 INFO L124 PetriNetUnfolderBase]: 3527/11037 cut-off events. [2023-11-30 02:47:22,679 INFO L125 PetriNetUnfolderBase]: For 66126/77105 co-relation queries the response was YES. [2023-11-30 02:47:22,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25903 conditions, 11037 events. 3527/11037 cut-off events. For 66126/77105 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 102080 event pairs, 708 based on Foata normal form. 1/9617 useless extension candidates. Maximal degree in co-relation 24322. Up to 5477 conditions per place. [2023-11-30 02:47:22,746 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 34 selfloop transitions, 2 changer transitions 6/544 dead transitions. [2023-11-30 02:47:22,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 544 transitions, 2734 flow [2023-11-30 02:47:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2023-11-30 02:47:22,749 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9153674832962138 [2023-11-30 02:47:22,749 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2023-11-30 02:47:22,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2023-11-30 02:47:22,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:22,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2023-11-30 02:47:22,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:22,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:22,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:22,754 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 28 predicate places. [2023-11-30 02:47:22,754 INFO L500 AbstractCegarLoop]: Abstraction has has 434 places, 544 transitions, 2734 flow [2023-11-30 02:47:22,754 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:22,754 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:22,754 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:22,754 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 02:47:22,754 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:22,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:22,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1039411794, now seen corresponding path program 1 times [2023-11-30 02:47:22,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:22,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542053777] [2023-11-30 02:47:22,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:22,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-30 02:47:22,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:22,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542053777] [2023-11-30 02:47:22,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542053777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:22,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:22,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:22,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845318914] [2023-11-30 02:47:22,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:22,818 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:22,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:22,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:22,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:22,820 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 449 [2023-11-30 02:47:22,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 544 transitions, 2734 flow. Second operand has 3 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:22,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:22,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 449 [2023-11-30 02:47:22,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:25,552 INFO L124 PetriNetUnfolderBase]: 6129/18010 cut-off events. [2023-11-30 02:47:25,553 INFO L125 PetriNetUnfolderBase]: For 76497/89388 co-relation queries the response was YES. [2023-11-30 02:47:25,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42373 conditions, 18010 events. 6129/18010 cut-off events. For 76497/89388 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 167462 event pairs, 1271 based on Foata normal form. 30/15863 useless extension candidates. Maximal degree in co-relation 39464. Up to 9463 conditions per place. [2023-11-30 02:47:25,687 INFO L140 encePairwiseOnDemand]: 439/449 looper letters, 30 selfloop transitions, 5 changer transitions 6/544 dead transitions. [2023-11-30 02:47:25,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 544 transitions, 2858 flow [2023-11-30 02:47:25,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions. [2023-11-30 02:47:25,689 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9205642167780252 [2023-11-30 02:47:25,689 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1240 transitions. [2023-11-30 02:47:25,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1240 transitions. [2023-11-30 02:47:25,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:25,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1240 transitions. [2023-11-30 02:47:25,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:25,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:25,693 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:25,693 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 25 predicate places. [2023-11-30 02:47:25,693 INFO L500 AbstractCegarLoop]: Abstraction has has 431 places, 544 transitions, 2858 flow [2023-11-30 02:47:25,694 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:25,694 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:25,694 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:25,694 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 02:47:25,694 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:25,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:25,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1566796122, now seen corresponding path program 1 times [2023-11-30 02:47:25,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:25,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659620773] [2023-11-30 02:47:25,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:25,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-30 02:47:25,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:25,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659620773] [2023-11-30 02:47:25,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659620773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:25,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:25,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 02:47:25,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983850038] [2023-11-30 02:47:25,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:25,770 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 02:47:25,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:25,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 02:47:25,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 02:47:25,771 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 449 [2023-11-30 02:47:25,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 544 transitions, 2858 flow. Second operand has 4 states, 4 states have (on average 405.25) internal successors, (1621), 4 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:25,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:25,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 449 [2023-11-30 02:47:25,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:28,693 INFO L124 PetriNetUnfolderBase]: 6309/18352 cut-off events. [2023-11-30 02:47:28,693 INFO L125 PetriNetUnfolderBase]: For 138848/157433 co-relation queries the response was YES. [2023-11-30 02:47:28,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49620 conditions, 18352 events. 6309/18352 cut-off events. For 138848/157433 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 172698 event pairs, 1267 based on Foata normal form. 119/16239 useless extension candidates. Maximal degree in co-relation 46920. Up to 9914 conditions per place. [2023-11-30 02:47:28,826 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 160 selfloop transitions, 4 changer transitions 6/622 dead transitions. [2023-11-30 02:47:28,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 622 transitions, 3919 flow [2023-11-30 02:47:28,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 02:47:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 02:47:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2075 transitions. [2023-11-30 02:47:28,830 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9242761692650334 [2023-11-30 02:47:28,830 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2075 transitions. [2023-11-30 02:47:28,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2075 transitions. [2023-11-30 02:47:28,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:28,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2075 transitions. [2023-11-30 02:47:28,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 415.0) internal successors, (2075), 5 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:28,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:28,839 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:28,839 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 29 predicate places. [2023-11-30 02:47:28,840 INFO L500 AbstractCegarLoop]: Abstraction has has 435 places, 622 transitions, 3919 flow [2023-11-30 02:47:28,840 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 405.25) internal successors, (1621), 4 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:28,840 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:28,840 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:28,840 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 02:47:28,840 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:28,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:28,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1134624950, now seen corresponding path program 1 times [2023-11-30 02:47:28,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:28,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765910526] [2023-11-30 02:47:28,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:28,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-30 02:47:28,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:28,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765910526] [2023-11-30 02:47:28,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765910526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:28,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:28,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:28,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319653732] [2023-11-30 02:47:28,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:28,897 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:28,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:28,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:28,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:28,899 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 449 [2023-11-30 02:47:28,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 622 transitions, 3919 flow. Second operand has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 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) [2023-11-30 02:47:28,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:28,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 449 [2023-11-30 02:47:28,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:31,827 INFO L124 PetriNetUnfolderBase]: 6165/17842 cut-off events. [2023-11-30 02:47:31,827 INFO L125 PetriNetUnfolderBase]: For 141104/157468 co-relation queries the response was YES. [2023-11-30 02:47:31,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48752 conditions, 17842 events. 6165/17842 cut-off events. For 141104/157468 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 166329 event pairs, 1214 based on Foata normal form. 60/15830 useless extension candidates. Maximal degree in co-relation 45998. Up to 9719 conditions per place. [2023-11-30 02:47:31,947 INFO L140 encePairwiseOnDemand]: 445/449 looper letters, 33 selfloop transitions, 2 changer transitions 6/624 dead transitions. [2023-11-30 02:47:31,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 624 transitions, 4059 flow [2023-11-30 02:47:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2023-11-30 02:47:31,949 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9435783221974758 [2023-11-30 02:47:31,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1271 transitions. [2023-11-30 02:47:31,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1271 transitions. [2023-11-30 02:47:31,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:31,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1271 transitions. [2023-11-30 02:47:31,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.6666666666667) internal successors, (1271), 3 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:31,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:31,953 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:31,953 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 29 predicate places. [2023-11-30 02:47:31,953 INFO L500 AbstractCegarLoop]: Abstraction has has 435 places, 624 transitions, 4059 flow [2023-11-30 02:47:31,954 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 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) [2023-11-30 02:47:31,954 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:31,954 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:31,954 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 02:47:31,954 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:31,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:31,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1698457432, now seen corresponding path program 1 times [2023-11-30 02:47:31,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:31,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538191445] [2023-11-30 02:47:31,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:31,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-30 02:47:32,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:32,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538191445] [2023-11-30 02:47:32,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538191445] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 02:47:32,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689468664] [2023-11-30 02:47:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:32,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:47:32,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:47:32,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 02:47:32,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-30 02:47:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:32,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-30 02:47:32,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 02:47:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-30 02:47:32,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 02:47:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-30 02:47:32,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689468664] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 02:47:32,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 02:47:32,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-11-30 02:47:32,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975029235] [2023-11-30 02:47:32,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 02:47:32,582 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-30 02:47:32,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-30 02:47:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-30 02:47:32,587 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 449 [2023-11-30 02:47:32,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 624 transitions, 4059 flow. Second operand has 22 states, 22 states have (on average 388.1363636363636) internal successors, (8539), 22 states have internal predecessors, (8539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:32,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:32,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 449 [2023-11-30 02:47:32,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:36,125 INFO L124 PetriNetUnfolderBase]: 6165/17894 cut-off events. [2023-11-30 02:47:36,126 INFO L125 PetriNetUnfolderBase]: For 165654/181978 co-relation queries the response was YES. [2023-11-30 02:47:36,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49323 conditions, 17894 events. 6165/17894 cut-off events. For 165654/181978 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 166259 event pairs, 1213 based on Foata normal form. 58/15881 useless extension candidates. Maximal degree in co-relation 46157. Up to 9737 conditions per place. [2023-11-30 02:47:36,276 INFO L140 encePairwiseOnDemand]: 429/449 looper letters, 113 selfloop transitions, 38 changer transitions 6/664 dead transitions. [2023-11-30 02:47:36,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 664 transitions, 4705 flow [2023-11-30 02:47:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-30 02:47:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-30 02:47:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6643 transitions. [2023-11-30 02:47:36,307 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8703000131010088 [2023-11-30 02:47:36,307 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 6643 transitions. [2023-11-30 02:47:36,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 6643 transitions. [2023-11-30 02:47:36,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:36,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 6643 transitions. [2023-11-30 02:47:36,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 390.7647058823529) internal successors, (6643), 17 states have internal predecessors, (6643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:36,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 449.0) internal successors, (8082), 18 states have internal predecessors, (8082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:36,337 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 449.0) internal successors, (8082), 18 states have internal predecessors, (8082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:36,337 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 45 predicate places. [2023-11-30 02:47:36,337 INFO L500 AbstractCegarLoop]: Abstraction has has 451 places, 664 transitions, 4705 flow [2023-11-30 02:47:36,338 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 388.1363636363636) internal successors, (8539), 22 states have internal predecessors, (8539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:36,338 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:36,339 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:36,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-30 02:47:36,546 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 02:47:36,546 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:36,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash -646095544, now seen corresponding path program 2 times [2023-11-30 02:47:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313015685] [2023-11-30 02:47:36,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:36,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:47:37,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:37,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313015685] [2023-11-30 02:47:37,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313015685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:37,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:37,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:47:37,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70215568] [2023-11-30 02:47:37,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:37,178 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:47:37,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:37,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:47:37,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:47:37,179 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 449 [2023-11-30 02:47:37,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 664 transitions, 4705 flow. Second operand has 6 states, 6 states have (on average 372.5) internal successors, (2235), 6 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:37,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:37,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 449 [2023-11-30 02:47:37,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:42,790 INFO L124 PetriNetUnfolderBase]: 8923/29256 cut-off events. [2023-11-30 02:47:42,790 INFO L125 PetriNetUnfolderBase]: For 146605/166649 co-relation queries the response was YES. [2023-11-30 02:47:42,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83169 conditions, 29256 events. 8923/29256 cut-off events. For 146605/166649 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 303741 event pairs, 1890 based on Foata normal form. 2/26457 useless extension candidates. Maximal degree in co-relation 79878. Up to 11804 conditions per place. [2023-11-30 02:47:43,050 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 505 selfloop transitions, 42 changer transitions 6/927 dead transitions. [2023-11-30 02:47:43,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 927 transitions, 7638 flow [2023-11-30 02:47:43,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:47:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:47:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2349 transitions. [2023-11-30 02:47:43,053 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8719376391982183 [2023-11-30 02:47:43,053 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2349 transitions. [2023-11-30 02:47:43,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2349 transitions. [2023-11-30 02:47:43,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:43,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2349 transitions. [2023-11-30 02:47:43,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 391.5) internal successors, (2349), 6 states have internal predecessors, (2349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:43,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:43,058 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:43,058 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 49 predicate places. [2023-11-30 02:47:43,058 INFO L500 AbstractCegarLoop]: Abstraction has has 455 places, 927 transitions, 7638 flow [2023-11-30 02:47:43,059 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.5) internal successors, (2235), 6 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:43,059 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:43,059 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:43,059 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 02:47:43,059 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:43,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:43,060 INFO L85 PathProgramCache]: Analyzing trace with hash 234823657, now seen corresponding path program 1 times [2023-11-30 02:47:43,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:43,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715900775] [2023-11-30 02:47:43,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:43,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:47:43,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:43,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715900775] [2023-11-30 02:47:43,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715900775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:43,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:43,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:43,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390367101] [2023-11-30 02:47:43,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:43,115 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:43,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:43,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:43,116 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 449 [2023-11-30 02:47:43,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 927 transitions, 7638 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:43,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:43,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 449 [2023-11-30 02:47:43,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:49,025 INFO L124 PetriNetUnfolderBase]: 8945/30362 cut-off events. [2023-11-30 02:47:49,025 INFO L125 PetriNetUnfolderBase]: For 141595/158183 co-relation queries the response was YES. [2023-11-30 02:47:49,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86655 conditions, 30362 events. 8945/30362 cut-off events. For 141595/158183 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 320433 event pairs, 1870 based on Foata normal form. 82/27553 useless extension candidates. Maximal degree in co-relation 81881. Up to 11804 conditions per place. [2023-11-30 02:47:49,358 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 58 selfloop transitions, 2 changer transitions 6/929 dead transitions. [2023-11-30 02:47:49,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 929 transitions, 7875 flow [2023-11-30 02:47:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:47:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:47:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2023-11-30 02:47:49,360 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9116555308092057 [2023-11-30 02:47:49,360 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1228 transitions. [2023-11-30 02:47:49,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1228 transitions. [2023-11-30 02:47:49,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:47:49,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1228 transitions. [2023-11-30 02:47:49,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:49,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:49,362 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:49,363 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 50 predicate places. [2023-11-30 02:47:49,363 INFO L500 AbstractCegarLoop]: Abstraction has has 456 places, 929 transitions, 7875 flow [2023-11-30 02:47:49,363 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:49,363 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:47:49,363 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:47:49,363 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 02:47:49,363 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:47:49,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:47:49,364 INFO L85 PathProgramCache]: Analyzing trace with hash -922852797, now seen corresponding path program 1 times [2023-11-30 02:47:49,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:47:49,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010311866] [2023-11-30 02:47:49,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:47:49,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:47:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:47:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:47:49,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:47:49,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010311866] [2023-11-30 02:47:49,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010311866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:47:49,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:47:49,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:47:49,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698386128] [2023-11-30 02:47:49,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:47:49,425 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:47:49,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:47:49,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:47:49,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:47:49,426 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 449 [2023-11-30 02:47:49,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 929 transitions, 7875 flow. Second operand has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:47:49,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:47:49,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 449 [2023-11-30 02:47:49,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:47:59,886 INFO L124 PetriNetUnfolderBase]: 15350/50637 cut-off events. [2023-11-30 02:47:59,887 INFO L125 PetriNetUnfolderBase]: For 137923/154007 co-relation queries the response was YES. [2023-11-30 02:48:00,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143895 conditions, 50637 events. 15350/50637 cut-off events. For 137923/154007 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 552870 event pairs, 3021 based on Foata normal form. 11/46054 useless extension candidates. Maximal degree in co-relation 140152. Up to 20093 conditions per place. [2023-11-30 02:48:00,351 INFO L140 encePairwiseOnDemand]: 437/449 looper letters, 50 selfloop transitions, 4 changer transitions 48/933 dead transitions. [2023-11-30 02:48:00,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 933 transitions, 8177 flow [2023-11-30 02:48:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:48:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:48:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1241 transitions. [2023-11-30 02:48:00,353 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9213066072754269 [2023-11-30 02:48:00,353 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1241 transitions. [2023-11-30 02:48:00,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1241 transitions. [2023-11-30 02:48:00,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:48:00,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1241 transitions. [2023-11-30 02:48:00,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:00,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:00,357 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:00,358 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 47 predicate places. [2023-11-30 02:48:00,364 INFO L500 AbstractCegarLoop]: Abstraction has has 453 places, 933 transitions, 8177 flow [2023-11-30 02:48:00,365 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:00,365 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:48:00,365 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:48:00,366 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 02:48:00,366 INFO L425 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:48:00,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:48:00,378 INFO L85 PathProgramCache]: Analyzing trace with hash -591257475, now seen corresponding path program 1 times [2023-11-30 02:48:00,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:48:00,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774716793] [2023-11-30 02:48:00,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:48:00,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:48:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:48:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:48:00,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:48:00,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774716793] [2023-11-30 02:48:00,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774716793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:48:00,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:48:00,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 02:48:00,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710265858] [2023-11-30 02:48:00,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:48:00,462 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 02:48:00,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:48:00,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 02:48:00,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 02:48:00,464 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 449 [2023-11-30 02:48:00,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 933 transitions, 8177 flow. Second operand has 4 states, 4 states have (on average 405.5) internal successors, (1622), 4 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:00,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:48:00,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 449 [2023-11-30 02:48:00,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:48:11,547 INFO L124 PetriNetUnfolderBase]: 15391/52457 cut-off events. [2023-11-30 02:48:11,548 INFO L125 PetriNetUnfolderBase]: For 238063/263747 co-relation queries the response was YES. [2023-11-30 02:48:11,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157462 conditions, 52457 events. 15391/52457 cut-off events. For 238063/263747 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 588327 event pairs, 3092 based on Foata normal form. 135/47807 useless extension candidates. Maximal degree in co-relation 150862. Up to 20257 conditions per place. [2023-11-30 02:48:12,051 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 680 selfloop transitions, 4 changer transitions 53/1267 dead transitions. [2023-11-30 02:48:12,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 1267 transitions, 13026 flow [2023-11-30 02:48:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 02:48:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 02:48:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2073 transitions. [2023-11-30 02:48:12,055 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9233853006681515 [2023-11-30 02:48:12,055 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2073 transitions. [2023-11-30 02:48:12,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2073 transitions. [2023-11-30 02:48:12,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:48:12,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2073 transitions. [2023-11-30 02:48:12,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 414.6) internal successors, (2073), 5 states have internal predecessors, (2073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:12,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:12,059 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 449.0) internal successors, (2694), 6 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:12,059 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 51 predicate places. [2023-11-30 02:48:12,059 INFO L500 AbstractCegarLoop]: Abstraction has has 457 places, 1267 transitions, 13026 flow [2023-11-30 02:48:12,060 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 405.5) internal successors, (1622), 4 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:12,060 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:48:12,060 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:48:12,060 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-30 02:48:12,060 INFO L425 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:48:12,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:48:12,060 INFO L85 PathProgramCache]: Analyzing trace with hash -508684865, now seen corresponding path program 1 times [2023-11-30 02:48:12,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:48:12,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930362400] [2023-11-30 02:48:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:48:12,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:48:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:48:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:48:12,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:48:12,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930362400] [2023-11-30 02:48:12,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930362400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:48:12,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:48:12,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:48:12,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970334063] [2023-11-30 02:48:12,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:48:12,845 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:48:12,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:48:12,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:48:12,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:48:12,846 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 449 [2023-11-30 02:48:12,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 1267 transitions, 13026 flow. Second operand has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 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) [2023-11-30 02:48:12,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:48:12,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 449 [2023-11-30 02:48:12,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:48:29,157 INFO L124 PetriNetUnfolderBase]: 18653/65355 cut-off events. [2023-11-30 02:48:29,157 INFO L125 PetriNetUnfolderBase]: For 219399/249068 co-relation queries the response was YES. [2023-11-30 02:48:29,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207706 conditions, 65355 events. 18653/65355 cut-off events. For 219399/249068 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 764190 event pairs, 5141 based on Foata normal form. 11/59603 useless extension candidates. Maximal degree in co-relation 203044. Up to 22077 conditions per place. [2023-11-30 02:48:30,066 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 1220 selfloop transitions, 202 changer transitions 53/1816 dead transitions. [2023-11-30 02:48:30,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 1816 transitions, 22097 flow [2023-11-30 02:48:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:48:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:48:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2368 transitions. [2023-11-30 02:48:30,068 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8789903489235338 [2023-11-30 02:48:30,068 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2368 transitions. [2023-11-30 02:48:30,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2368 transitions. [2023-11-30 02:48:30,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:48:30,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2368 transitions. [2023-11-30 02:48:30,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 394.6666666666667) internal successors, (2368), 6 states have internal predecessors, (2368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:30,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:30,072 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:30,072 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 55 predicate places. [2023-11-30 02:48:30,072 INFO L500 AbstractCegarLoop]: Abstraction has has 461 places, 1816 transitions, 22097 flow [2023-11-30 02:48:30,072 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 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) [2023-11-30 02:48:30,072 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:48:30,072 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:48:30,072 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-30 02:48:30,073 INFO L425 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:48:30,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:48:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash 372234336, now seen corresponding path program 1 times [2023-11-30 02:48:30,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:48:30,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987003736] [2023-11-30 02:48:30,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:48:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:48:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:48:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:48:30,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:48:30,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987003736] [2023-11-30 02:48:30,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987003736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:48:30,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:48:30,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:48:30,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069327710] [2023-11-30 02:48:30,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:48:30,149 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:48:30,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:48:30,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:48:30,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:48:30,150 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 449 [2023-11-30 02:48:30,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 1816 transitions, 22097 flow. Second operand has 3 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:30,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:48:30,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 449 [2023-11-30 02:48:30,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:48:47,190 INFO L124 PetriNetUnfolderBase]: 18663/65229 cut-off events. [2023-11-30 02:48:47,191 INFO L125 PetriNetUnfolderBase]: For 270961/303242 co-relation queries the response was YES. [2023-11-30 02:48:47,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211124 conditions, 65229 events. 18663/65229 cut-off events. For 270961/303242 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 762062 event pairs, 5141 based on Foata normal form. 10/59585 useless extension candidates. Maximal degree in co-relation 206305. Up to 22063 conditions per place. [2023-11-30 02:48:47,881 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 106 selfloop transitions, 2 changer transitions 53/1824 dead transitions. [2023-11-30 02:48:47,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 1824 transitions, 22780 flow [2023-11-30 02:48:47,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:48:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:48:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1227 transitions. [2023-11-30 02:48:47,882 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.910913140311804 [2023-11-30 02:48:47,882 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1227 transitions. [2023-11-30 02:48:47,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1227 transitions. [2023-11-30 02:48:47,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:48:47,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1227 transitions. [2023-11-30 02:48:47,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:47,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:47,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:47,884 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 56 predicate places. [2023-11-30 02:48:47,885 INFO L500 AbstractCegarLoop]: Abstraction has has 462 places, 1824 transitions, 22780 flow [2023-11-30 02:48:47,885 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:47,885 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:48:47,892 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:48:47,892 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-30 02:48:47,892 INFO L425 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:48:47,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:48:47,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1339863697, now seen corresponding path program 1 times [2023-11-30 02:48:47,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:48:47,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513105180] [2023-11-30 02:48:47,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:48:47,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:48:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:48:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:48:48,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:48:48,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513105180] [2023-11-30 02:48:48,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513105180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:48:48,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:48:48,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:48:48,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063580312] [2023-11-30 02:48:48,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:48:48,313 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:48:48,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:48:48,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:48:48,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:48:48,316 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 449 [2023-11-30 02:48:48,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 1824 transitions, 22780 flow. Second operand has 6 states, 6 states have (on average 373.5) internal successors, (2241), 6 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:48:48,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:48:48,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 449 [2023-11-30 02:48:48,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:49:06,476 INFO L124 PetriNetUnfolderBase]: 17741/62937 cut-off events. [2023-11-30 02:49:06,476 INFO L125 PetriNetUnfolderBase]: For 290265/332428 co-relation queries the response was YES. [2023-11-30 02:49:07,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226541 conditions, 62937 events. 17741/62937 cut-off events. For 290265/332428 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 735642 event pairs, 4848 based on Foata normal form. 8/58001 useless extension candidates. Maximal degree in co-relation 221609. Up to 20734 conditions per place. [2023-11-30 02:49:07,523 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 1727 selfloop transitions, 202 changer transitions 53/2330 dead transitions. [2023-11-30 02:49:07,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 2330 transitions, 32792 flow [2023-11-30 02:49:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:49:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:49:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2343 transitions. [2023-11-30 02:49:07,525 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8697104677060133 [2023-11-30 02:49:07,525 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2343 transitions. [2023-11-30 02:49:07,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2343 transitions. [2023-11-30 02:49:07,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:49:07,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2343 transitions. [2023-11-30 02:49:07,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.5) internal successors, (2343), 6 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:07,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:07,529 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:07,529 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 60 predicate places. [2023-11-30 02:49:07,529 INFO L500 AbstractCegarLoop]: Abstraction has has 466 places, 2330 transitions, 32792 flow [2023-11-30 02:49:07,529 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 373.5) internal successors, (2241), 6 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:07,529 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:49:07,529 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:49:07,530 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-30 02:49:07,530 INFO L425 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:49:07,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:49:07,530 INFO L85 PathProgramCache]: Analyzing trace with hash 206590694, now seen corresponding path program 1 times [2023-11-30 02:49:07,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:49:07,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435015317] [2023-11-30 02:49:07,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:49:07,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:49:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:49:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:49:07,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:49:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435015317] [2023-11-30 02:49:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435015317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:49:07,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:49:07,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:49:07,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258956722] [2023-11-30 02:49:07,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:49:07,947 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:49:07,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:49:07,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:49:07,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:49:07,949 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 449 [2023-11-30 02:49:07,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 2330 transitions, 32792 flow. Second operand has 6 states, 6 states have (on average 373.6666666666667) internal successors, (2242), 6 states have internal predecessors, (2242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:07,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:49:07,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 449 [2023-11-30 02:49:07,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:49:27,247 INFO L124 PetriNetUnfolderBase]: 16822/61115 cut-off events. [2023-11-30 02:49:27,247 INFO L125 PetriNetUnfolderBase]: For 320886/385119 co-relation queries the response was YES. [2023-11-30 02:49:27,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239969 conditions, 61115 events. 16822/61115 cut-off events. For 320886/385119 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 716525 event pairs, 4534 based on Foata normal form. 42/56893 useless extension candidates. Maximal degree in co-relation 234871. Up to 19413 conditions per place. [2023-11-30 02:49:27,971 INFO L140 encePairwiseOnDemand]: 443/449 looper letters, 2113 selfloop transitions, 362 changer transitions 53/2876 dead transitions. [2023-11-30 02:49:27,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 2876 transitions, 45884 flow [2023-11-30 02:49:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:49:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:49:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2362 transitions. [2023-11-30 02:49:27,974 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8767631774313289 [2023-11-30 02:49:27,974 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2362 transitions. [2023-11-30 02:49:27,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2362 transitions. [2023-11-30 02:49:27,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:49:27,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2362 transitions. [2023-11-30 02:49:27,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 393.6666666666667) internal successors, (2362), 6 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:27,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:27,978 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:27,978 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 64 predicate places. [2023-11-30 02:49:27,979 INFO L500 AbstractCegarLoop]: Abstraction has has 470 places, 2876 transitions, 45884 flow [2023-11-30 02:49:27,979 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 373.6666666666667) internal successors, (2242), 6 states have internal predecessors, (2242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:27,979 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:49:27,979 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:49:27,979 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-30 02:49:27,979 INFO L425 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:49:27,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:49:27,980 INFO L85 PathProgramCache]: Analyzing trace with hash -666127315, now seen corresponding path program 1 times [2023-11-30 02:49:27,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:49:27,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378704942] [2023-11-30 02:49:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:49:27,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:49:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:49:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:49:28,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:49:28,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378704942] [2023-11-30 02:49:28,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378704942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:49:28,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:49:28,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:49:28,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845124407] [2023-11-30 02:49:28,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:49:28,685 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:49:28,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:49:28,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:49:28,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:49:28,687 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 449 [2023-11-30 02:49:28,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 2876 transitions, 45884 flow. Second operand has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:28,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:49:28,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 449 [2023-11-30 02:49:28,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:49:50,127 INFO L124 PetriNetUnfolderBase]: 16810/60635 cut-off events. [2023-11-30 02:49:50,127 INFO L125 PetriNetUnfolderBase]: For 371241/451624 co-relation queries the response was YES. [2023-11-30 02:49:50,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258111 conditions, 60635 events. 16810/60635 cut-off events. For 371241/451624 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 706858 event pairs, 4624 based on Foata normal form. 39/56541 useless extension candidates. Maximal degree in co-relation 248260. Up to 19324 conditions per place. [2023-11-30 02:49:51,047 INFO L140 encePairwiseOnDemand]: 444/449 looper letters, 2451 selfloop transitions, 36 changer transitions 75/2947 dead transitions. [2023-11-30 02:49:51,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 2947 transitions, 52074 flow [2023-11-30 02:49:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:49:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:49:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2321 transitions. [2023-11-30 02:49:51,049 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8615441722345955 [2023-11-30 02:49:51,049 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2321 transitions. [2023-11-30 02:49:51,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2321 transitions. [2023-11-30 02:49:51,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:49:51,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2321 transitions. [2023-11-30 02:49:51,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 386.8333333333333) internal successors, (2321), 6 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:51,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:51,067 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:51,067 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 68 predicate places. [2023-11-30 02:49:51,068 INFO L500 AbstractCegarLoop]: Abstraction has has 474 places, 2947 transitions, 52074 flow [2023-11-30 02:49:51,068 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:49:51,068 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:49:51,068 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:49:51,068 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-30 02:49:51,068 INFO L425 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:49:51,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:49:51,068 INFO L85 PathProgramCache]: Analyzing trace with hash -84598241, now seen corresponding path program 1 times [2023-11-30 02:49:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:49:51,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008776101] [2023-11-30 02:49:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:49:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:49:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:49:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:49:51,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:49:51,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008776101] [2023-11-30 02:49:51,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008776101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:49:51,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:49:51,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:49:51,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485944128] [2023-11-30 02:49:51,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:49:51,140 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:49:51,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:49:51,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:49:51,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:49:51,141 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 449 [2023-11-30 02:49:51,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 2947 transitions, 52074 flow. Second operand has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 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) [2023-11-30 02:49:51,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:49:51,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 449 [2023-11-30 02:49:51,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:50:12,886 INFO L124 PetriNetUnfolderBase]: 16812/60339 cut-off events. [2023-11-30 02:50:12,886 INFO L125 PetriNetUnfolderBase]: For 445210/543912 co-relation queries the response was YES. [2023-11-30 02:50:13,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259466 conditions, 60339 events. 16812/60339 cut-off events. For 445210/543912 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 701527 event pairs, 4624 based on Foata normal form. 11/56515 useless extension candidates. Maximal degree in co-relation 249347. Up to 19326 conditions per place. [2023-11-30 02:50:13,630 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 116 selfloop transitions, 3 changer transitions 75/2948 dead transitions. [2023-11-30 02:50:13,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 2948 transitions, 52492 flow [2023-11-30 02:50:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:50:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:50:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1227 transitions. [2023-11-30 02:50:13,631 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.910913140311804 [2023-11-30 02:50:13,631 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1227 transitions. [2023-11-30 02:50:13,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1227 transitions. [2023-11-30 02:50:13,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:50:13,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1227 transitions. [2023-11-30 02:50:13,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:50:13,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:50:13,633 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:50:13,634 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 69 predicate places. [2023-11-30 02:50:13,634 INFO L500 AbstractCegarLoop]: Abstraction has has 475 places, 2948 transitions, 52492 flow [2023-11-30 02:50:13,634 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 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) [2023-11-30 02:50:13,634 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:50:13,634 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:50:13,634 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-30 02:50:13,634 INFO L425 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-30 02:50:13,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:50:13,634 INFO L85 PathProgramCache]: Analyzing trace with hash -769664554, now seen corresponding path program 1 times [2023-11-30 02:50:13,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:50:13,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157357860] [2023-11-30 02:50:13,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:50:13,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:50:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:50:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-30 02:50:13,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:50:13,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157357860] [2023-11-30 02:50:13,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157357860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:50:13,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:50:13,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:50:13,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906137710] [2023-11-30 02:50:13,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:50:13,694 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:50:13,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:50:13,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:50:13,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:50:13,695 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 449 [2023-11-30 02:50:13,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 2948 transitions, 52492 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 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) [2023-11-30 02:50:13,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:50:13,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 449 [2023-11-30 02:50:13,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:50:36,472 INFO L124 PetriNetUnfolderBase]: 16818/59842 cut-off events. [2023-11-30 02:50:36,472 INFO L125 PetriNetUnfolderBase]: For 551755/654411 co-relation queries the response was YES. [2023-11-30 02:50:36,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261340 conditions, 59842 events. 16818/59842 cut-off events. For 551755/654411 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 692842 event pairs, 4623 based on Foata normal form. 11/56504 useless extension candidates. Maximal degree in co-relation 255224. Up to 19327 conditions per place. [2023-11-30 02:50:37,027 INFO L140 encePairwiseOnDemand]: 446/449 looper letters, 0 selfloop transitions, 0 changer transitions 2953/2953 dead transitions. [2023-11-30 02:50:37,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 2953 transitions, 53164 flow [2023-11-30 02:50:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:50:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:50:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-30 02:50:37,028 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9101707498144024 [2023-11-30 02:50:37,028 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-30 02:50:37,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-30 02:50:37,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:50:37,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-30 02:50:37,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:50:37,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:50:37,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:50:37,035 INFO L307 CegarLoopForPetriNet]: 406 programPoint places, 70 predicate places. [2023-11-30 02:50:37,035 INFO L500 AbstractCegarLoop]: Abstraction has has 476 places, 2953 transitions, 53164 flow [2023-11-30 02:50:37,036 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 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) [2023-11-30 02:50:37,058 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/chl-chromosome-symm.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 02:50:37,167 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-11-30 02:50:37,167 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-11-30 02:50:37,167 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-11-30 02:50:37,167 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-11-30 02:50:37,167 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-11-30 02:50:37,168 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-11-30 02:50:37,169 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-11-30 02:50:37,170 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-11-30 02:50:37,170 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-30 02:50:37,171 INFO L457 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:50:37,174 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:50:37,174 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:50:37,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:50:37 BasicIcfg [2023-11-30 02:50:37,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:50:37,178 INFO L158 Benchmark]: Toolchain (without parser) took 224696.21ms. Allocated memory was 641.7MB in the beginning and 15.4GB in the end (delta: 14.8GB). Free memory was 594.2MB in the beginning and 8.3GB in the end (delta: -7.7GB). Peak memory consumption was 7.2GB. Max. memory is 16.0GB. [2023-11-30 02:50:37,178 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 333.4MB. Free memory was 281.1MB in the beginning and 281.0MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:50:37,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.65ms. Allocated memory is still 641.7MB. Free memory was 594.2MB in the beginning and 581.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-11-30 02:50:37,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.21ms. Allocated memory is still 641.7MB. Free memory was 581.3MB in the beginning and 578.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 02:50:37,179 INFO L158 Benchmark]: Boogie Preprocessor took 43.66ms. Allocated memory is still 641.7MB. Free memory was 578.4MB in the beginning and 575.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:50:37,179 INFO L158 Benchmark]: RCFGBuilder took 521.03ms. Allocated memory is still 641.7MB. Free memory was 575.4MB in the beginning and 540.6MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-11-30 02:50:37,179 INFO L158 Benchmark]: TraceAbstraction took 223836.40ms. Allocated memory was 641.7MB in the beginning and 15.4GB in the end (delta: 14.8GB). Free memory was 539.8MB in the beginning and 8.3GB in the end (delta: -7.8GB). Peak memory consumption was 7.1GB. Max. memory is 16.0GB. [2023-11-30 02:50:37,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 333.4MB. Free memory was 281.1MB in the beginning and 281.0MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 241.65ms. Allocated memory is still 641.7MB. Free memory was 594.2MB in the beginning and 581.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.21ms. Allocated memory is still 641.7MB. Free memory was 581.3MB in the beginning and 578.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 43.66ms. Allocated memory is still 641.7MB. Free memory was 578.4MB in the beginning and 575.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 521.03ms. Allocated memory is still 641.7MB. Free memory was 575.4MB in the beginning and 540.6MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. * TraceAbstraction took 223836.40ms. Allocated memory was 641.7MB in the beginning and 15.4GB in the end (delta: 14.8GB). Free memory was 539.8MB in the beginning and 8.3GB in the end (delta: -7.8GB). Peak memory consumption was 7.1GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 624 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 223.7s, OverallIterations: 28, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 215.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1050 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1050 mSDsluCounter, 684 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 423 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2905 IncrementalHoareTripleChecker+Invalid, 3328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 423 mSolverCounterUnsat, 580 mSDtfsCounter, 2905 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1047 GetRequests, 922 SyntacticMatches, 5 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53164occurred in iteration=28, InterpolantAutomatonStates: 134, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 6210 NumberOfCodeBlocks, 6120 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 6534 ConstructedInterpolants, 0 QuantifiedInterpolants, 9126 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1129 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 33 InterpolantComputations, 26 PerfectInterpolantSequences, 4277/4472 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 02:50:37,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...