/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/goblint-regression/04-mutex_42-trylock_2mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:37:14,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:37:14,292 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 01:37:14,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:37:14,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:37:14,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:37:14,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:37:14,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:37:14,322 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:37:14,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:37:14,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:37:14,323 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:37:14,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:37:14,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:37:14,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:37:14,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:37:14,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:37:14,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:37:14,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:37:14,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:37:14,325 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:37:14,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:37:14,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:37:14,329 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:37:14,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:37:14,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:37:14,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:37:14,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:37:14,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:37:14,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:37:14,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:37:14,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:37:14,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:37:14,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:37:14,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:37:14,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:37:14,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:37:14,515 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:37:14,515 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:37:14,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_42-trylock_2mutex.i [2023-11-30 01:37:15,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:37:15,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:37:15,759 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_42-trylock_2mutex.i [2023-11-30 01:37:15,769 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6e6e41b9/db9f01e1c73543d08f0e513a398effa9/FLAGcf724ace1 [2023-11-30 01:37:15,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6e6e41b9/db9f01e1c73543d08f0e513a398effa9 [2023-11-30 01:37:15,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:37:15,782 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:37:15,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:37:15,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:37:15,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:37:15,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:15" (1/1) ... [2023-11-30 01:37:15,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767b74b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:15, skipping insertion in model container [2023-11-30 01:37:15,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:15" (1/1) ... [2023-11-30 01:37:15,820 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:37:16,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:37:16,027 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:37:16,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:37:16,079 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:37:16,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16 WrapperNode [2023-11-30 01:37:16,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:37:16,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:37:16,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:37:16,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:37:16,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,129 INFO L138 Inliner]: procedures = 164, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2023-11-30 01:37:16,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:37:16,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:37:16,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:37:16,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:37:16,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:37:16,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:37:16,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:37:16,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:37:16,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (1/1) ... [2023-11-30 01:37:16,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:37:16,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:37:16,191 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 01:37:16,246 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 01:37:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:37:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:37:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:37:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:37:16,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:37:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:37:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:37:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:37:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2023-11-30 01:37:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:37:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:37:16,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:37:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:37:16,264 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 01:37:16,386 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:37:16,387 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:37:16,608 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:37:16,650 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:37:16,650 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-30 01:37:16,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:37:16 BoogieIcfgContainer [2023-11-30 01:37:16,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:37:16,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:37:16,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:37:16,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:37:16,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:37:15" (1/3) ... [2023-11-30 01:37:16,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc54311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:37:16, skipping insertion in model container [2023-11-30 01:37:16,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:16" (2/3) ... [2023-11-30 01:37:16,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc54311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:37:16, skipping insertion in model container [2023-11-30 01:37:16,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:37:16" (3/3) ... [2023-11-30 01:37:16,663 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_42-trylock_2mutex.i [2023-11-30 01:37:16,678 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:37:16,679 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-30 01:37:16,679 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:37:16,743 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 01:37:16,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 101 transitions, 209 flow [2023-11-30 01:37:16,794 INFO L124 PetriNetUnfolderBase]: 2/100 cut-off events. [2023-11-30 01:37:16,795 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:37:16,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 100 events. 2/100 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 103 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2023-11-30 01:37:16,798 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 101 transitions, 209 flow [2023-11-30 01:37:16,801 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 92 transitions, 187 flow [2023-11-30 01:37:16,807 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:37:16,813 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;@ebdbf05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:37:16,814 INFO L363 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-30 01:37:16,845 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:37:16,845 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-30 01:37:16,845 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:37:16,845 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:16,846 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] [2023-11-30 01:37:16,846 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:16,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:16,853 INFO L85 PathProgramCache]: Analyzing trace with hash 236472482, now seen corresponding path program 1 times [2023-11-30 01:37:16,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:16,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609946941] [2023-11-30 01:37:16,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:17,050 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 01:37:17,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:17,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609946941] [2023-11-30 01:37:17,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609946941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:17,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:17,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:17,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624061307] [2023-11-30 01:37:17,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:17,057 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:17,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:17,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:17,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:17,077 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 101 [2023-11-30 01:37:17,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:17,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:17,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 101 [2023-11-30 01:37:17,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:17,173 INFO L124 PetriNetUnfolderBase]: 94/491 cut-off events. [2023-11-30 01:37:17,173 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:37:17,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 491 events. 94/491 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2731 event pairs, 67 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 673. Up to 168 conditions per place. [2023-11-30 01:37:17,177 INFO L140 encePairwiseOnDemand]: 95/101 looper letters, 27 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2023-11-30 01:37:17,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 102 transitions, 269 flow [2023-11-30 01:37:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2023-11-30 01:37:17,186 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8943894389438944 [2023-11-30 01:37:17,187 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions. [2023-11-30 01:37:17,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions. [2023-11-30 01:37:17,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:17,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions. [2023-11-30 01:37:17,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 01:37:17,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:17,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:17,196 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 2 predicate places. [2023-11-30 01:37:17,196 INFO L500 AbstractCegarLoop]: Abstraction has has 96 places, 102 transitions, 269 flow [2023-11-30 01:37:17,197 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:17,197 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:17,197 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] [2023-11-30 01:37:17,197 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:37:17,197 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:17,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:17,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1856632500, now seen corresponding path program 1 times [2023-11-30 01:37:17,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:17,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914241845] [2023-11-30 01:37:17,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:17,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:17,288 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 01:37:17,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:17,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914241845] [2023-11-30 01:37:17,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914241845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:17,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:17,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:17,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396593308] [2023-11-30 01:37:17,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:17,292 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:17,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:17,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:17,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:17,294 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 101 [2023-11-30 01:37:17,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 102 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 01:37:17,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:17,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 101 [2023-11-30 01:37:17,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:17,410 INFO L124 PetriNetUnfolderBase]: 156/667 cut-off events. [2023-11-30 01:37:17,410 INFO L125 PetriNetUnfolderBase]: For 136/155 co-relation queries the response was YES. [2023-11-30 01:37:17,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 667 events. 156/667 cut-off events. For 136/155 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3982 event pairs, 71 based on Foata normal form. 3/593 useless extension candidates. Maximal degree in co-relation 1158. Up to 234 conditions per place. [2023-11-30 01:37:17,415 INFO L140 encePairwiseOnDemand]: 95/101 looper letters, 36 selfloop transitions, 4 changer transitions 0/116 dead transitions. [2023-11-30 01:37:17,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 116 transitions, 397 flow [2023-11-30 01:37:17,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2023-11-30 01:37:17,419 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.900990099009901 [2023-11-30 01:37:17,419 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2023-11-30 01:37:17,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2023-11-30 01:37:17,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:17,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2023-11-30 01:37:17,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 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 01:37:17,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:17,423 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:17,424 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 3 predicate places. [2023-11-30 01:37:17,424 INFO L500 AbstractCegarLoop]: Abstraction has has 97 places, 116 transitions, 397 flow [2023-11-30 01:37:17,424 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 01:37:17,424 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:17,424 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] [2023-11-30 01:37:17,424 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:37:17,425 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:17,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash 43610688, now seen corresponding path program 1 times [2023-11-30 01:37:17,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:17,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079357980] [2023-11-30 01:37:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:17,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:17,501 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 01:37:17,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:17,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079357980] [2023-11-30 01:37:17,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079357980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:17,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:17,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:17,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752639903] [2023-11-30 01:37:17,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:17,504 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:17,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:17,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:17,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:17,506 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 101 [2023-11-30 01:37:17,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 116 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 01:37:17,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:17,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 101 [2023-11-30 01:37:17,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:17,622 INFO L124 PetriNetUnfolderBase]: 181/720 cut-off events. [2023-11-30 01:37:17,622 INFO L125 PetriNetUnfolderBase]: For 383/462 co-relation queries the response was YES. [2023-11-30 01:37:17,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1613 conditions, 720 events. 181/720 cut-off events. For 383/462 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4364 event pairs, 62 based on Foata normal form. 3/646 useless extension candidates. Maximal degree in co-relation 1578. Up to 284 conditions per place. [2023-11-30 01:37:17,629 INFO L140 encePairwiseOnDemand]: 96/101 looper letters, 49 selfloop transitions, 5 changer transitions 0/127 dead transitions. [2023-11-30 01:37:17,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 127 transitions, 559 flow [2023-11-30 01:37:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2023-11-30 01:37:17,631 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8745874587458746 [2023-11-30 01:37:17,631 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 265 transitions. [2023-11-30 01:37:17,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions. [2023-11-30 01:37:17,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:17,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions. [2023-11-30 01:37:17,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 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 01:37:17,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:17,633 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:17,634 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 5 predicate places. [2023-11-30 01:37:17,634 INFO L500 AbstractCegarLoop]: Abstraction has has 99 places, 127 transitions, 559 flow [2023-11-30 01:37:17,634 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 01:37:17,635 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:17,635 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] [2023-11-30 01:37:17,635 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:37:17,635 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:17,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:17,635 INFO L85 PathProgramCache]: Analyzing trace with hash -2028300609, now seen corresponding path program 1 times [2023-11-30 01:37:17,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:17,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235065022] [2023-11-30 01:37:17,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:17,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:17,700 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 01:37:17,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:17,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235065022] [2023-11-30 01:37:17,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235065022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:17,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:17,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:17,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412902369] [2023-11-30 01:37:17,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:17,702 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:17,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:17,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:17,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:17,703 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 101 [2023-11-30 01:37:17,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 127 transitions, 559 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:17,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:17,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 101 [2023-11-30 01:37:17,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:17,808 INFO L124 PetriNetUnfolderBase]: 207/835 cut-off events. [2023-11-30 01:37:17,808 INFO L125 PetriNetUnfolderBase]: For 836/942 co-relation queries the response was YES. [2023-11-30 01:37:17,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2162 conditions, 835 events. 207/835 cut-off events. For 836/942 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5262 event pairs, 59 based on Foata normal form. 4/768 useless extension candidates. Maximal degree in co-relation 2124. Up to 301 conditions per place. [2023-11-30 01:37:17,811 INFO L140 encePairwiseOnDemand]: 95/101 looper letters, 62 selfloop transitions, 10 changer transitions 0/145 dead transitions. [2023-11-30 01:37:17,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 145 transitions, 817 flow [2023-11-30 01:37:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 261 transitions. [2023-11-30 01:37:17,812 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8613861386138614 [2023-11-30 01:37:17,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 261 transitions. [2023-11-30 01:37:17,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 261 transitions. [2023-11-30 01:37:17,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:17,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 261 transitions. [2023-11-30 01:37:17,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 01:37:17,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:17,814 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:17,815 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 7 predicate places. [2023-11-30 01:37:17,816 INFO L500 AbstractCegarLoop]: Abstraction has has 101 places, 145 transitions, 817 flow [2023-11-30 01:37:17,816 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:17,816 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:17,817 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] [2023-11-30 01:37:17,817 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:37:17,817 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:17,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:17,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1676695830, now seen corresponding path program 1 times [2023-11-30 01:37:17,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:17,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624585121] [2023-11-30 01:37:17,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:17,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:17,998 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 01:37:17,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:17,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624585121] [2023-11-30 01:37:17,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624585121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:17,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:17,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:37:17,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516554948] [2023-11-30 01:37:17,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:17,999 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:37:18,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:18,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:37:18,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:37:18,002 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 101 [2023-11-30 01:37:18,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 145 transitions, 817 flow. Second operand has 7 states, 7 states have (on average 72.71428571428571) internal successors, (509), 7 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:18,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 101 [2023-11-30 01:37:18,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:18,108 INFO L124 PetriNetUnfolderBase]: 94/450 cut-off events. [2023-11-30 01:37:18,108 INFO L125 PetriNetUnfolderBase]: For 1177/1255 co-relation queries the response was YES. [2023-11-30 01:37:18,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1240 conditions, 450 events. 94/450 cut-off events. For 1177/1255 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2230 event pairs, 26 based on Foata normal form. 30/437 useless extension candidates. Maximal degree in co-relation 1187. Up to 141 conditions per place. [2023-11-30 01:37:18,110 INFO L140 encePairwiseOnDemand]: 91/101 looper letters, 31 selfloop transitions, 16 changer transitions 0/111 dead transitions. [2023-11-30 01:37:18,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 111 transitions, 631 flow [2023-11-30 01:37:18,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 456 transitions. [2023-11-30 01:37:18,111 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7524752475247525 [2023-11-30 01:37:18,111 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 456 transitions. [2023-11-30 01:37:18,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 456 transitions. [2023-11-30 01:37:18,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:18,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 456 transitions. [2023-11-30 01:37:18,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 76.0) internal successors, (456), 6 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 101.0) internal successors, (707), 7 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,114 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 101.0) internal successors, (707), 7 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,116 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 9 predicate places. [2023-11-30 01:37:18,116 INFO L500 AbstractCegarLoop]: Abstraction has has 103 places, 111 transitions, 631 flow [2023-11-30 01:37:18,116 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 72.71428571428571) internal successors, (509), 7 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,116 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:18,116 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] [2023-11-30 01:37:18,117 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:37:18,117 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:18,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:18,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1628678068, now seen corresponding path program 1 times [2023-11-30 01:37:18,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:18,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305734952] [2023-11-30 01:37:18,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:18,144 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 01:37:18,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:18,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305734952] [2023-11-30 01:37:18,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305734952] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:18,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:18,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:37:18,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097558079] [2023-11-30 01:37:18,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:18,148 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:18,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:18,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:18,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:18,149 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 101 [2023-11-30 01:37:18,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 111 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 01:37:18,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:18,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 101 [2023-11-30 01:37:18,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:18,213 INFO L124 PetriNetUnfolderBase]: 110/500 cut-off events. [2023-11-30 01:37:18,213 INFO L125 PetriNetUnfolderBase]: For 1525/1629 co-relation queries the response was YES. [2023-11-30 01:37:18,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 500 events. 110/500 cut-off events. For 1525/1629 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2520 event pairs, 22 based on Foata normal form. 0/472 useless extension candidates. Maximal degree in co-relation 1538. Up to 183 conditions per place. [2023-11-30 01:37:18,216 INFO L140 encePairwiseOnDemand]: 96/101 looper letters, 54 selfloop transitions, 4 changer transitions 0/124 dead transitions. [2023-11-30 01:37:18,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 124 transitions, 861 flow [2023-11-30 01:37:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2023-11-30 01:37:18,217 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8712871287128713 [2023-11-30 01:37:18,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 264 transitions. [2023-11-30 01:37:18,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 264 transitions. [2023-11-30 01:37:18,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:18,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 264 transitions. [2023-11-30 01:37:18,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 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 01:37:18,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:18,219 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 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 01:37:18,221 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 11 predicate places. [2023-11-30 01:37:18,221 INFO L500 AbstractCegarLoop]: Abstraction has has 105 places, 124 transitions, 861 flow [2023-11-30 01:37:18,221 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 01:37:18,221 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:18,222 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] [2023-11-30 01:37:18,222 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:37:18,222 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:18,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -672666850, now seen corresponding path program 1 times [2023-11-30 01:37:18,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:18,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233306934] [2023-11-30 01:37:18,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:18,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:18,535 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 01:37:18,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:18,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233306934] [2023-11-30 01:37:18,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233306934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:18,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:18,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:18,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667756709] [2023-11-30 01:37:18,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:18,539 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:18,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:18,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:18,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:18,541 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 101 [2023-11-30 01:37:18,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 124 transitions, 861 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:18,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 101 [2023-11-30 01:37:18,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:18,623 INFO L124 PetriNetUnfolderBase]: 140/543 cut-off events. [2023-11-30 01:37:18,623 INFO L125 PetriNetUnfolderBase]: For 2834/2940 co-relation queries the response was YES. [2023-11-30 01:37:18,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2054 conditions, 543 events. 140/543 cut-off events. For 2834/2940 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2820 event pairs, 24 based on Foata normal form. 0/521 useless extension candidates. Maximal degree in co-relation 1994. Up to 213 conditions per place. [2023-11-30 01:37:18,625 INFO L140 encePairwiseOnDemand]: 96/101 looper letters, 27 selfloop transitions, 4 changer transitions 42/143 dead transitions. [2023-11-30 01:37:18,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 143 transitions, 1273 flow [2023-11-30 01:37:18,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 487 transitions. [2023-11-30 01:37:18,626 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8036303630363036 [2023-11-30 01:37:18,626 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 487 transitions. [2023-11-30 01:37:18,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 487 transitions. [2023-11-30 01:37:18,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:18,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 487 transitions. [2023-11-30 01:37:18,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 101.0) internal successors, (707), 7 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,628 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 101.0) internal successors, (707), 7 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,629 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 15 predicate places. [2023-11-30 01:37:18,629 INFO L500 AbstractCegarLoop]: Abstraction has has 109 places, 143 transitions, 1273 flow [2023-11-30 01:37:18,629 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,629 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:18,629 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] [2023-11-30 01:37:18,629 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 01:37:18,629 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:18,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash 789548251, now seen corresponding path program 1 times [2023-11-30 01:37:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:18,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770593584] [2023-11-30 01:37:18,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:18,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:18,731 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 01:37:18,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:18,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770593584] [2023-11-30 01:37:18,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770593584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:18,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:18,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:37:18,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205252952] [2023-11-30 01:37:18,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:18,732 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:37:18,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:18,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:37:18,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:37:18,733 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 101 [2023-11-30 01:37:18,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 143 transitions, 1273 flow. Second operand has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:18,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 101 [2023-11-30 01:37:18,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:18,868 INFO L124 PetriNetUnfolderBase]: 153/648 cut-off events. [2023-11-30 01:37:18,868 INFO L125 PetriNetUnfolderBase]: For 3895/3990 co-relation queries the response was YES. [2023-11-30 01:37:18,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 648 events. 153/648 cut-off events. For 3895/3990 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3693 event pairs, 21 based on Foata normal form. 0/626 useless extension candidates. Maximal degree in co-relation 2484. Up to 259 conditions per place. [2023-11-30 01:37:18,872 INFO L140 encePairwiseOnDemand]: 92/101 looper letters, 33 selfloop transitions, 15 changer transitions 56/166 dead transitions. [2023-11-30 01:37:18,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 166 transitions, 1765 flow [2023-11-30 01:37:18,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 01:37:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 01:37:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 535 transitions. [2023-11-30 01:37:18,873 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7567185289957568 [2023-11-30 01:37:18,873 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 535 transitions. [2023-11-30 01:37:18,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 535 transitions. [2023-11-30 01:37:18,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:18,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 535 transitions. [2023-11-30 01:37:18,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 76.42857142857143) internal successors, (535), 7 states have internal predecessors, (535), 0 states have call successors, (0), 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 01:37:18,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 101.0) internal successors, (808), 8 states have internal predecessors, (808), 0 states have call successors, (0), 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 01:37:18,875 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 101.0) internal successors, (808), 8 states have internal predecessors, (808), 0 states have call successors, (0), 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 01:37:18,877 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 21 predicate places. [2023-11-30 01:37:18,877 INFO L500 AbstractCegarLoop]: Abstraction has has 115 places, 166 transitions, 1765 flow [2023-11-30 01:37:18,878 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:18,878 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:18,878 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] [2023-11-30 01:37:18,878 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 01:37:18,878 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:18,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:18,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1607831801, now seen corresponding path program 2 times [2023-11-30 01:37:18,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:18,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176234218] [2023-11-30 01:37:18,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:18,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:18,938 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 01:37:18,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:18,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176234218] [2023-11-30 01:37:18,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176234218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:18,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:18,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 01:37:18,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346933835] [2023-11-30 01:37:18,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:18,939 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 01:37:18,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:18,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 01:37:18,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 01:37:18,940 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 101 [2023-11-30 01:37:18,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 166 transitions, 1765 flow. Second operand has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 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 01:37:18,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:18,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 101 [2023-11-30 01:37:18,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:19,023 INFO L124 PetriNetUnfolderBase]: 175/747 cut-off events. [2023-11-30 01:37:19,023 INFO L125 PetriNetUnfolderBase]: For 6016/6148 co-relation queries the response was YES. [2023-11-30 01:37:19,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3169 conditions, 747 events. 175/747 cut-off events. For 6016/6148 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4569 event pairs, 27 based on Foata normal form. 12/732 useless extension candidates. Maximal degree in co-relation 3085. Up to 289 conditions per place. [2023-11-30 01:37:19,026 INFO L140 encePairwiseOnDemand]: 92/101 looper letters, 20 selfloop transitions, 7 changer transitions 95/190 dead transitions. [2023-11-30 01:37:19,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 190 transitions, 2357 flow [2023-11-30 01:37:19,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 01:37:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 01:37:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 343 transitions. [2023-11-30 01:37:19,027 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.849009900990099 [2023-11-30 01:37:19,027 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 343 transitions. [2023-11-30 01:37:19,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 343 transitions. [2023-11-30 01:37:19,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:19,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 343 transitions. [2023-11-30 01:37:19,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 85.75) internal successors, (343), 4 states have internal predecessors, (343), 0 states have call successors, (0), 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 01:37:19,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:19,029 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:19,029 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 24 predicate places. [2023-11-30 01:37:19,029 INFO L500 AbstractCegarLoop]: Abstraction has has 118 places, 190 transitions, 2357 flow [2023-11-30 01:37:19,029 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 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 01:37:19,030 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:19,030 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] [2023-11-30 01:37:19,030 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 01:37:19,030 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 01:37:19,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:19,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1789503641, now seen corresponding path program 3 times [2023-11-30 01:37:19,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:19,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631968939] [2023-11-30 01:37:19,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:19,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:19,085 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 01:37:19,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:19,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631968939] [2023-11-30 01:37:19,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631968939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:19,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:19,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 01:37:19,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306062625] [2023-11-30 01:37:19,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:19,086 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 01:37:19,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:19,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 01:37:19,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 01:37:19,087 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 101 [2023-11-30 01:37:19,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 190 transitions, 2357 flow. Second operand has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 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 01:37:19,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:19,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 101 [2023-11-30 01:37:19,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:19,161 INFO L124 PetriNetUnfolderBase]: 111/506 cut-off events. [2023-11-30 01:37:19,161 INFO L125 PetriNetUnfolderBase]: For 4836/4900 co-relation queries the response was YES. [2023-11-30 01:37:19,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2408 conditions, 506 events. 111/506 cut-off events. For 4836/4900 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2580 event pairs, 12 based on Foata normal form. 18/517 useless extension candidates. Maximal degree in co-relation 2315. Up to 194 conditions per place. [2023-11-30 01:37:19,163 INFO L140 encePairwiseOnDemand]: 92/101 looper letters, 0 selfloop transitions, 0 changer transitions 157/157 dead transitions. [2023-11-30 01:37:19,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 157 transitions, 2089 flow [2023-11-30 01:37:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 01:37:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 01:37:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 338 transitions. [2023-11-30 01:37:19,164 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8366336633663366 [2023-11-30 01:37:19,164 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 338 transitions. [2023-11-30 01:37:19,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 338 transitions. [2023-11-30 01:37:19,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:19,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 338 transitions. [2023-11-30 01:37:19,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 0 states have call successors, (0), 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 01:37:19,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:19,166 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:19,166 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 25 predicate places. [2023-11-30 01:37:19,166 INFO L500 AbstractCegarLoop]: Abstraction has has 119 places, 157 transitions, 2089 flow [2023-11-30 01:37:19,166 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 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 01:37:19,170 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_42-trylock_2mutex.i_BEv2_AllErrorsAtOnce [2023-11-30 01:37:19,188 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-11-30 01:37:19,189 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2023-11-30 01:37:19,190 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2023-11-30 01:37:19,190 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-11-30 01:37:19,190 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 01:37:19,190 INFO L457 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:19,193 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:37:19,193 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:37:19,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:37:19 BasicIcfg [2023-11-30 01:37:19,197 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:37:19,197 INFO L158 Benchmark]: Toolchain (without parser) took 3415.06ms. Allocated memory was 367.0MB in the beginning and 520.1MB in the end (delta: 153.1MB). Free memory was 327.1MB in the beginning and 217.7MB in the end (delta: 109.4MB). Peak memory consumption was 263.9MB. Max. memory is 16.0GB. [2023-11-30 01:37:19,197 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 367.0MB. Free memory is still 322.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:37:19,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.79ms. Allocated memory is still 367.0MB. Free memory was 326.7MB in the beginning and 307.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 01:37:19,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.41ms. Allocated memory is still 367.0MB. Free memory was 307.1MB in the beginning and 305.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:37:19,198 INFO L158 Benchmark]: Boogie Preprocessor took 18.58ms. Allocated memory is still 367.0MB. Free memory was 305.0MB in the beginning and 303.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:37:19,198 INFO L158 Benchmark]: RCFGBuilder took 502.42ms. Allocated memory is still 367.0MB. Free memory was 303.5MB in the beginning and 285.8MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 01:37:19,198 INFO L158 Benchmark]: TraceAbstraction took 2543.41ms. Allocated memory was 367.0MB in the beginning and 520.1MB in the end (delta: 153.1MB). Free memory was 285.0MB in the beginning and 217.7MB in the end (delta: 67.3MB). Peak memory consumption was 222.0MB. Max. memory is 16.0GB. [2023-11-30 01:37:19,199 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 367.0MB. Free memory is still 322.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 297.79ms. Allocated memory is still 367.0MB. Free memory was 326.7MB in the beginning and 307.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 48.41ms. Allocated memory is still 367.0MB. Free memory was 307.1MB in the beginning and 305.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 18.58ms. Allocated memory is still 367.0MB. Free memory was 305.0MB in the beginning and 303.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 502.42ms. Allocated memory is still 367.0MB. Free memory was 303.5MB in the beginning and 285.8MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 2543.41ms. Allocated memory was 367.0MB in the beginning and 520.1MB in the end (delta: 153.1MB). Free memory was 285.0MB in the beginning and 217.7MB in the end (delta: 67.3MB). Peak memory consumption was 222.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 684]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 684]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: 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 3 procedures, 135 locations, 12 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: 2.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 576 IncrementalHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 92 mSDtfsCounter, 576 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2357occurred in iteration=9, InterpolantAutomatonStates: 42, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:37:19,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...