/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/06-symbeq_13-equ_proc_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:41:17,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:41:17,621 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 01:41:17,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:41:17,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:41:17,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:41:17,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:41:17,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:41:17,668 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:41:17,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:41:17,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:41:17,673 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:41:17,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:41:17,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:41:17,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:41:17,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:41:17,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:41:17,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:41:17,675 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:41:17,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:41:17,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:41:17,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:41:17,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:41:17,676 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:41:17,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:41:17,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:41:17,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:41:17,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:41:17,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:41:17,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:41:17,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:41:17,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:41:17,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:41:17,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:41:17,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:41:17,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:41:17,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:41:17,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:41:17,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:41:17,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i [2023-11-30 01:41:18,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:41:19,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:41:19,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i [2023-11-30 01:41:19,232 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71912a5d/25711bd534904383b04b63ea706580ff/FLAG7a49b698e [2023-11-30 01:41:19,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71912a5d/25711bd534904383b04b63ea706580ff [2023-11-30 01:41:19,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:41:19,249 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:41:19,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:41:19,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:41:19,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:41:19,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675bfe59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19, skipping insertion in model container [2023-11-30 01:41:19,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:41:19,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:41:19,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:41:19,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:41:19,825 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:41:19,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19 WrapperNode [2023-11-30 01:41:19,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:41:19,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:41:19,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:41:19,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:41:19,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,886 INFO L138 Inliner]: procedures = 267, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-30 01:41:19,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:41:19,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:41:19,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:41:19,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:41:19,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:41:19,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:41:19,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:41:19,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:41:19,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (1/1) ... [2023-11-30 01:41:19,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:41:19,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:41:19,968 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 01:41:19,995 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 01:41:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:41:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:41:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:41:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:41:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:41:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:41:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:41:20,004 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:41:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:41:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:41:20,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:41:20,005 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 01:41:20,157 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:41:20,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:41:20,345 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:41:20,361 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:41:20,361 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:41:20,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:41:20 BoogieIcfgContainer [2023-11-30 01:41:20,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:41:20,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:41:20,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:41:20,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:41:20,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:41:19" (1/3) ... [2023-11-30 01:41:20,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62584345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:41:20, skipping insertion in model container [2023-11-30 01:41:20,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:41:19" (2/3) ... [2023-11-30 01:41:20,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62584345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:41:20, skipping insertion in model container [2023-11-30 01:41:20,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:41:20" (3/3) ... [2023-11-30 01:41:20,383 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_13-equ_proc_nr.i [2023-11-30 01:41:20,394 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:41:20,394 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-30 01:41:20,395 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:41:20,469 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 01:41:20,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 83 transitions, 170 flow [2023-11-30 01:41:20,534 INFO L124 PetriNetUnfolderBase]: 1/82 cut-off events. [2023-11-30 01:41:20,535 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:41:20,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 1/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2023-11-30 01:41:20,538 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 83 transitions, 170 flow [2023-11-30 01:41:20,541 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 82 transitions, 167 flow [2023-11-30 01:41:20,549 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:41:20,555 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;@b0f138d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:41:20,555 INFO L363 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-30 01:41:20,571 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:41:20,571 INFO L124 PetriNetUnfolderBase]: 1/59 cut-off events. [2023-11-30 01:41:20,571 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:41:20,571 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:20,572 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 01:41:20,572 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:20,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:20,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1992455058, now seen corresponding path program 1 times [2023-11-30 01:41:20,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:20,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614689942] [2023-11-30 01:41:20,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:20,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:21,375 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 01:41:21,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:21,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614689942] [2023-11-30 01:41:21,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614689942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:21,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:21,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:41:21,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607145313] [2023-11-30 01:41:21,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:21,385 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:41:21,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:21,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:41:21,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:41:21,412 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 83 [2023-11-30 01:41:21,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 82 transitions, 167 flow. Second operand has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:21,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:21,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 83 [2023-11-30 01:41:21,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:21,665 INFO L124 PetriNetUnfolderBase]: 117/433 cut-off events. [2023-11-30 01:41:21,665 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:41:21,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 433 events. 117/433 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2001 event pairs, 43 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 649. Up to 195 conditions per place. [2023-11-30 01:41:21,671 INFO L140 encePairwiseOnDemand]: 72/83 looper letters, 36 selfloop transitions, 22 changer transitions 8/119 dead transitions. [2023-11-30 01:41:21,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 119 transitions, 373 flow [2023-11-30 01:41:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:41:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:41:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 391 transitions. [2023-11-30 01:41:21,691 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.785140562248996 [2023-11-30 01:41:21,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 391 transitions. [2023-11-30 01:41:21,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 391 transitions. [2023-11-30 01:41:21,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:21,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 391 transitions. [2023-11-30 01:41:21,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 65.16666666666667) internal successors, (391), 6 states have internal predecessors, (391), 0 states have call successors, (0), 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 01:41:21,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 83.0) internal successors, (581), 7 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:21,706 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 83.0) internal successors, (581), 7 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:21,709 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 5 predicate places. [2023-11-30 01:41:21,710 INFO L500 AbstractCegarLoop]: Abstraction has has 90 places, 119 transitions, 373 flow [2023-11-30 01:41:21,710 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:21,710 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:21,710 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] [2023-11-30 01:41:21,711 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:41:21,711 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:21,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:21,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1372962462, now seen corresponding path program 1 times [2023-11-30 01:41:21,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:21,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868447971] [2023-11-30 01:41:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:21,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:22,053 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 01:41:22,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:22,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868447971] [2023-11-30 01:41:22,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868447971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:22,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:22,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:41:22,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080552596] [2023-11-30 01:41:22,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:22,057 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:41:22,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:22,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:41:22,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:41:22,060 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 83 [2023-11-30 01:41:22,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 119 transitions, 373 flow. Second operand has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:22,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:22,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 83 [2023-11-30 01:41:22,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:22,295 INFO L124 PetriNetUnfolderBase]: 205/642 cut-off events. [2023-11-30 01:41:22,296 INFO L125 PetriNetUnfolderBase]: For 61/63 co-relation queries the response was YES. [2023-11-30 01:41:22,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 642 events. 205/642 cut-off events. For 61/63 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3236 event pairs, 61 based on Foata normal form. 0/609 useless extension candidates. Maximal degree in co-relation 1393. Up to 315 conditions per place. [2023-11-30 01:41:22,302 INFO L140 encePairwiseOnDemand]: 72/83 looper letters, 54 selfloop transitions, 26 changer transitions 24/164 dead transitions. [2023-11-30 01:41:22,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 164 transitions, 759 flow [2023-11-30 01:41:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:41:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:41:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 421 transitions. [2023-11-30 01:41:22,304 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8453815261044176 [2023-11-30 01:41:22,304 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 421 transitions. [2023-11-30 01:41:22,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 421 transitions. [2023-11-30 01:41:22,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:22,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 421 transitions. [2023-11-30 01:41:22,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 70.16666666666667) internal successors, (421), 6 states have internal predecessors, (421), 0 states have call successors, (0), 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 01:41:22,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 83.0) internal successors, (581), 7 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:22,308 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 83.0) internal successors, (581), 7 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:22,308 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 10 predicate places. [2023-11-30 01:41:22,308 INFO L500 AbstractCegarLoop]: Abstraction has has 95 places, 164 transitions, 759 flow [2023-11-30 01:41:22,309 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:22,309 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:22,309 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:22,309 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:41:22,309 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:22,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:22,311 INFO L85 PathProgramCache]: Analyzing trace with hash 661487073, now seen corresponding path program 1 times [2023-11-30 01:41:22,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:22,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953249410] [2023-11-30 01:41:22,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:22,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:22,738 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 01:41:22,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:22,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953249410] [2023-11-30 01:41:22,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953249410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:22,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:22,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-30 01:41:22,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491299162] [2023-11-30 01:41:22,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:22,742 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-30 01:41:22,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:22,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-30 01:41:22,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-30 01:41:22,745 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 83 [2023-11-30 01:41:22,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 164 transitions, 759 flow. Second operand has 8 states, 8 states have (on average 53.375) internal successors, (427), 8 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:22,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:22,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 83 [2023-11-30 01:41:22,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:23,007 INFO L124 PetriNetUnfolderBase]: 251/786 cut-off events. [2023-11-30 01:41:23,009 INFO L125 PetriNetUnfolderBase]: For 345/350 co-relation queries the response was YES. [2023-11-30 01:41:23,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2107 conditions, 786 events. 251/786 cut-off events. For 345/350 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4192 event pairs, 79 based on Foata normal form. 23/771 useless extension candidates. Maximal degree in co-relation 1792. Up to 382 conditions per place. [2023-11-30 01:41:23,014 INFO L140 encePairwiseOnDemand]: 72/83 looper letters, 63 selfloop transitions, 1 changer transitions 44/182 dead transitions. [2023-11-30 01:41:23,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 182 transitions, 1040 flow [2023-11-30 01:41:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-30 01:41:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-30 01:41:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 454 transitions. [2023-11-30 01:41:23,019 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6837349397590361 [2023-11-30 01:41:23,019 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 454 transitions. [2023-11-30 01:41:23,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 454 transitions. [2023-11-30 01:41:23,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:23,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 454 transitions. [2023-11-30 01:41:23,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 56.75) internal successors, (454), 8 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:23,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 83.0) internal successors, (747), 9 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:23,022 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 83.0) internal successors, (747), 9 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:23,024 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 17 predicate places. [2023-11-30 01:41:23,024 INFO L500 AbstractCegarLoop]: Abstraction has has 102 places, 182 transitions, 1040 flow [2023-11-30 01:41:23,025 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 53.375) internal successors, (427), 8 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:23,025 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:23,025 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:23,025 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:41:23,025 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:23,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:23,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1615636366, now seen corresponding path program 1 times [2023-11-30 01:41:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:23,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539974439] [2023-11-30 01:41:23,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:23,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:23,417 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 01:41:23,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:23,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539974439] [2023-11-30 01:41:23,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539974439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:23,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:23,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:23,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245785694] [2023-11-30 01:41:23,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:23,419 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:23,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:23,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:23,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:23,421 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:23,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 182 transitions, 1040 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:23,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:23,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:23,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:24,210 INFO L124 PetriNetUnfolderBase]: 431/1130 cut-off events. [2023-11-30 01:41:24,210 INFO L125 PetriNetUnfolderBase]: For 606/644 co-relation queries the response was YES. [2023-11-30 01:41:24,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4071 conditions, 1130 events. 431/1130 cut-off events. For 606/644 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6355 event pairs, 29 based on Foata normal form. 0/1073 useless extension candidates. Maximal degree in co-relation 3652. Up to 600 conditions per place. [2023-11-30 01:41:24,217 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 166 selfloop transitions, 59 changer transitions 115/372 dead transitions. [2023-11-30 01:41:24,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 372 transitions, 2964 flow [2023-11-30 01:41:24,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 667 transitions. [2023-11-30 01:41:24,219 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5357429718875502 [2023-11-30 01:41:24,219 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 667 transitions. [2023-11-30 01:41:24,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 667 transitions. [2023-11-30 01:41:24,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:24,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 667 transitions. [2023-11-30 01:41:24,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 44.46666666666667) internal successors, (667), 15 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:24,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:24,224 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:24,225 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 31 predicate places. [2023-11-30 01:41:24,225 INFO L500 AbstractCegarLoop]: Abstraction has has 116 places, 372 transitions, 2964 flow [2023-11-30 01:41:24,225 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:24,225 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:24,225 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:24,225 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:41:24,226 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:24,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:24,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2001807780, now seen corresponding path program 2 times [2023-11-30 01:41:24,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:24,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571589746] [2023-11-30 01:41:24,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:24,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:41:24,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:24,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571589746] [2023-11-30 01:41:24,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571589746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:24,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:24,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:24,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402137260] [2023-11-30 01:41:24,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:24,670 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:24,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:24,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:24,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:24,671 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:24,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 372 transitions, 2964 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:24,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:24,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:24,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:25,230 INFO L124 PetriNetUnfolderBase]: 474/1246 cut-off events. [2023-11-30 01:41:25,230 INFO L125 PetriNetUnfolderBase]: For 942/1034 co-relation queries the response was YES. [2023-11-30 01:41:25,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5418 conditions, 1246 events. 474/1246 cut-off events. For 942/1034 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 7191 event pairs, 31 based on Foata normal form. 4/1197 useless extension candidates. Maximal degree in co-relation 4904. Up to 632 conditions per place. [2023-11-30 01:41:25,238 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 190 selfloop transitions, 60 changer transitions 183/465 dead transitions. [2023-11-30 01:41:25,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 465 transitions, 4486 flow [2023-11-30 01:41:25,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-30 01:41:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-30 01:41:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 593 transitions. [2023-11-30 01:41:25,240 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5495829471733086 [2023-11-30 01:41:25,240 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 593 transitions. [2023-11-30 01:41:25,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 593 transitions. [2023-11-30 01:41:25,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:25,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 593 transitions. [2023-11-30 01:41:25,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:25,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 83.0) internal successors, (1162), 14 states have internal predecessors, (1162), 0 states have call successors, (0), 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 01:41:25,246 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 83.0) internal successors, (1162), 14 states have internal predecessors, (1162), 0 states have call successors, (0), 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 01:41:25,248 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 43 predicate places. [2023-11-30 01:41:25,248 INFO L500 AbstractCegarLoop]: Abstraction has has 128 places, 465 transitions, 4486 flow [2023-11-30 01:41:25,248 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:25,248 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:25,248 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:25,248 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:41:25,249 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:25,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:25,249 INFO L85 PathProgramCache]: Analyzing trace with hash -217401512, now seen corresponding path program 1 times [2023-11-30 01:41:25,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:25,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619659571] [2023-11-30 01:41:25,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:25,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:25,601 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 01:41:25,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:25,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619659571] [2023-11-30 01:41:25,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619659571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:25,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:25,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923436949] [2023-11-30 01:41:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:25,602 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:25,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:25,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:25,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:25,604 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:25,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 465 transitions, 4486 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:25,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:25,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:25,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:26,261 INFO L124 PetriNetUnfolderBase]: 455/1203 cut-off events. [2023-11-30 01:41:26,262 INFO L125 PetriNetUnfolderBase]: For 1192/1342 co-relation queries the response was YES. [2023-11-30 01:41:26,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6125 conditions, 1203 events. 455/1203 cut-off events. For 1192/1342 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6861 event pairs, 26 based on Foata normal form. 1/1174 useless extension candidates. Maximal degree in co-relation 5518. Up to 595 conditions per place. [2023-11-30 01:41:26,269 INFO L140 encePairwiseOnDemand]: 67/83 looper letters, 190 selfloop transitions, 77 changer transitions 245/540 dead transitions. [2023-11-30 01:41:26,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 540 transitions, 6352 flow [2023-11-30 01:41:26,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-30 01:41:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-30 01:41:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 561 transitions. [2023-11-30 01:41:26,271 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5199258572752549 [2023-11-30 01:41:26,271 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 561 transitions. [2023-11-30 01:41:26,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 561 transitions. [2023-11-30 01:41:26,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:26,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 561 transitions. [2023-11-30 01:41:26,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 43.15384615384615) internal successors, (561), 13 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:26,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 83.0) internal successors, (1162), 14 states have internal predecessors, (1162), 0 states have call successors, (0), 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 01:41:26,275 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 83.0) internal successors, (1162), 14 states have internal predecessors, (1162), 0 states have call successors, (0), 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 01:41:26,276 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 54 predicate places. [2023-11-30 01:41:26,276 INFO L500 AbstractCegarLoop]: Abstraction has has 139 places, 540 transitions, 6352 flow [2023-11-30 01:41:26,276 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:26,276 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:26,276 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:26,277 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:41:26,277 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:26,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:26,277 INFO L85 PathProgramCache]: Analyzing trace with hash -2126848604, now seen corresponding path program 3 times [2023-11-30 01:41:26,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:26,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024456793] [2023-11-30 01:41:26,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:26,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:26,606 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 01:41:26,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:26,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024456793] [2023-11-30 01:41:26,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024456793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:26,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:26,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:26,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230067880] [2023-11-30 01:41:26,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:26,608 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:26,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:26,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:26,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:26,609 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:26,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 540 transitions, 6352 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:26,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:26,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:26,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:27,322 INFO L124 PetriNetUnfolderBase]: 500/1307 cut-off events. [2023-11-30 01:41:27,322 INFO L125 PetriNetUnfolderBase]: For 1831/2215 co-relation queries the response was YES. [2023-11-30 01:41:27,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7745 conditions, 1307 events. 500/1307 cut-off events. For 1831/2215 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 7625 event pairs, 26 based on Foata normal form. 8/1285 useless extension candidates. Maximal degree in co-relation 7043. Up to 659 conditions per place. [2023-11-30 01:41:27,331 INFO L140 encePairwiseOnDemand]: 67/83 looper letters, 242 selfloop transitions, 56 changer transitions 315/642 dead transitions. [2023-11-30 01:41:27,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 642 transitions, 8834 flow [2023-11-30 01:41:27,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 641 transitions. [2023-11-30 01:41:27,334 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5148594377510041 [2023-11-30 01:41:27,334 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 641 transitions. [2023-11-30 01:41:27,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 641 transitions. [2023-11-30 01:41:27,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:27,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 641 transitions. [2023-11-30 01:41:27,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 42.733333333333334) internal successors, (641), 15 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:27,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:27,338 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:27,339 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 68 predicate places. [2023-11-30 01:41:27,339 INFO L500 AbstractCegarLoop]: Abstraction has has 153 places, 642 transitions, 8834 flow [2023-11-30 01:41:27,340 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:27,340 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:27,340 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:27,340 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 01:41:27,340 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:27,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:27,341 INFO L85 PathProgramCache]: Analyzing trace with hash 168501698, now seen corresponding path program 4 times [2023-11-30 01:41:27,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:27,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093408203] [2023-11-30 01:41:27,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:27,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:27,721 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 01:41:27,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:27,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093408203] [2023-11-30 01:41:27,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093408203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:27,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:27,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:27,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772590144] [2023-11-30 01:41:27,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:27,723 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:27,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:27,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:27,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:27,725 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:27,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 642 transitions, 8834 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:27,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:27,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:27,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:28,390 INFO L124 PetriNetUnfolderBase]: 530/1390 cut-off events. [2023-11-30 01:41:28,390 INFO L125 PetriNetUnfolderBase]: For 2635/3160 co-relation queries the response was YES. [2023-11-30 01:41:28,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9269 conditions, 1390 events. 530/1390 cut-off events. For 2635/3160 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 8260 event pairs, 28 based on Foata normal form. 14/1374 useless extension candidates. Maximal degree in co-relation 8472. Up to 683 conditions per place. [2023-11-30 01:41:28,400 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 247 selfloop transitions, 48 changer transitions 362/686 dead transitions. [2023-11-30 01:41:28,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 686 transitions, 10738 flow [2023-11-30 01:41:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-30 01:41:28,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-30 01:41:28,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 617 transitions. [2023-11-30 01:41:28,403 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5309810671256454 [2023-11-30 01:41:28,403 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 617 transitions. [2023-11-30 01:41:28,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 617 transitions. [2023-11-30 01:41:28,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:28,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 617 transitions. [2023-11-30 01:41:28,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 44.07142857142857) internal successors, (617), 14 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:28,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 83.0) internal successors, (1245), 15 states have internal predecessors, (1245), 0 states have call successors, (0), 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 01:41:28,407 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 83.0) internal successors, (1245), 15 states have internal predecessors, (1245), 0 states have call successors, (0), 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 01:41:28,408 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 81 predicate places. [2023-11-30 01:41:28,408 INFO L500 AbstractCegarLoop]: Abstraction has has 166 places, 686 transitions, 10738 flow [2023-11-30 01:41:28,408 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:28,409 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:28,409 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:28,409 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 01:41:28,409 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:28,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:28,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1452480330, now seen corresponding path program 5 times [2023-11-30 01:41:28,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:28,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982594895] [2023-11-30 01:41:28,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:28,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:28,742 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 01:41:28,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:28,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982594895] [2023-11-30 01:41:28,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982594895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:28,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:28,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:28,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163400599] [2023-11-30 01:41:28,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:28,744 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:28,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:28,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:28,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:28,745 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:28,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 686 transitions, 10738 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:28,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:28,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:28,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:29,553 INFO L124 PetriNetUnfolderBase]: 581/1508 cut-off events. [2023-11-30 01:41:29,553 INFO L125 PetriNetUnfolderBase]: For 3723/4491 co-relation queries the response was YES. [2023-11-30 01:41:29,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11245 conditions, 1508 events. 581/1508 cut-off events. For 3723/4491 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 9182 event pairs, 31 based on Foata normal form. 22/1500 useless extension candidates. Maximal degree in co-relation 10353. Up to 732 conditions per place. [2023-11-30 01:41:29,564 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 252 selfloop transitions, 51 changer transitions 423/755 dead transitions. [2023-11-30 01:41:29,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 755 transitions, 13282 flow [2023-11-30 01:41:29,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 658 transitions. [2023-11-30 01:41:29,566 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5285140562248996 [2023-11-30 01:41:29,567 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 658 transitions. [2023-11-30 01:41:29,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 658 transitions. [2023-11-30 01:41:29,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:29,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 658 transitions. [2023-11-30 01:41:29,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 43.86666666666667) internal successors, (658), 15 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:29,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:29,571 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:29,572 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 95 predicate places. [2023-11-30 01:41:29,572 INFO L500 AbstractCegarLoop]: Abstraction has has 180 places, 755 transitions, 13282 flow [2023-11-30 01:41:29,572 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:29,572 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:29,572 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:29,573 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 01:41:29,573 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:29,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:29,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1220983128, now seen corresponding path program 6 times [2023-11-30 01:41:29,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:29,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054393556] [2023-11-30 01:41:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:29,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:29,873 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 01:41:29,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:29,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054393556] [2023-11-30 01:41:29,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054393556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:29,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:29,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:29,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890827352] [2023-11-30 01:41:29,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:29,875 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:29,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:29,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:29,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:29,876 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:29,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 755 transitions, 13282 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:29,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:29,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:29,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:30,729 INFO L124 PetriNetUnfolderBase]: 601/1564 cut-off events. [2023-11-30 01:41:30,731 INFO L125 PetriNetUnfolderBase]: For 4975/5967 co-relation queries the response was YES. [2023-11-30 01:41:30,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12815 conditions, 1564 events. 601/1564 cut-off events. For 4975/5967 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9631 event pairs, 32 based on Foata normal form. 26/1570 useless extension candidates. Maximal degree in co-relation 11828. Up to 742 conditions per place. [2023-11-30 01:41:30,745 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 246 selfloop transitions, 50 changer transitions 478/803 dead transitions. [2023-11-30 01:41:30,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 803 transitions, 15640 flow [2023-11-30 01:41:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 660 transitions. [2023-11-30 01:41:30,749 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5301204819277109 [2023-11-30 01:41:30,749 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 660 transitions. [2023-11-30 01:41:30,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 660 transitions. [2023-11-30 01:41:30,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:30,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 660 transitions. [2023-11-30 01:41:30,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 44.0) internal successors, (660), 15 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:30,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:30,756 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:30,756 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 109 predicate places. [2023-11-30 01:41:30,757 INFO L500 AbstractCegarLoop]: Abstraction has has 194 places, 803 transitions, 15640 flow [2023-11-30 01:41:30,757 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:30,757 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:30,757 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:30,757 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 01:41:30,759 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:30,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:30,760 INFO L85 PathProgramCache]: Analyzing trace with hash -665418736, now seen corresponding path program 7 times [2023-11-30 01:41:30,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:30,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348176804] [2023-11-30 01:41:30,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:30,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:31,071 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 01:41:31,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:31,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348176804] [2023-11-30 01:41:31,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348176804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:31,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:31,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:31,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676127642] [2023-11-30 01:41:31,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:31,073 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:31,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:31,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:31,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:31,074 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:31,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 803 transitions, 15640 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:31,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:31,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:31,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:31,955 INFO L124 PetriNetUnfolderBase]: 655/1697 cut-off events. [2023-11-30 01:41:31,955 INFO L125 PetriNetUnfolderBase]: For 6648/7938 co-relation queries the response was YES. [2023-11-30 01:41:31,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15191 conditions, 1697 events. 655/1697 cut-off events. For 6648/7938 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 10661 event pairs, 35 based on Foata normal form. 84/1761 useless extension candidates. Maximal degree in co-relation 14109. Up to 795 conditions per place. [2023-11-30 01:41:31,968 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 245 selfloop transitions, 58 changer transitions 544/876 dead transitions. [2023-11-30 01:41:31,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 876 transitions, 18726 flow [2023-11-30 01:41:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-30 01:41:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-30 01:41:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 628 transitions. [2023-11-30 01:41:31,970 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.540447504302926 [2023-11-30 01:41:31,970 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 628 transitions. [2023-11-30 01:41:31,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 628 transitions. [2023-11-30 01:41:31,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:31,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 628 transitions. [2023-11-30 01:41:31,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 44.857142857142854) internal successors, (628), 14 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:31,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 83.0) internal successors, (1245), 15 states have internal predecessors, (1245), 0 states have call successors, (0), 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 01:41:31,974 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 83.0) internal successors, (1245), 15 states have internal predecessors, (1245), 0 states have call successors, (0), 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 01:41:31,974 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 122 predicate places. [2023-11-30 01:41:31,974 INFO L500 AbstractCegarLoop]: Abstraction has has 207 places, 876 transitions, 18726 flow [2023-11-30 01:41:31,974 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:31,975 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:31,975 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:31,975 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 01:41:31,975 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:31,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:31,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1099600740, now seen corresponding path program 8 times [2023-11-30 01:41:31,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:31,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706095695] [2023-11-30 01:41:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:31,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:32,326 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 01:41:32,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:32,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706095695] [2023-11-30 01:41:32,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706095695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:32,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:32,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:32,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607494047] [2023-11-30 01:41:32,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:32,328 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:32,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:32,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:32,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:32,329 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:32,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 876 transitions, 18726 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:32,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:32,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:32,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:33,286 INFO L124 PetriNetUnfolderBase]: 700/1808 cut-off events. [2023-11-30 01:41:33,286 INFO L125 PetriNetUnfolderBase]: For 8245/8902 co-relation queries the response was YES. [2023-11-30 01:41:33,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17592 conditions, 1808 events. 700/1808 cut-off events. For 8245/8902 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 11591 event pairs, 35 based on Foata normal form. 99/1887 useless extension candidates. Maximal degree in co-relation 16415. Up to 860 conditions per place. [2023-11-30 01:41:33,302 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 249 selfloop transitions, 59 changer transitions 605/942 dead transitions. [2023-11-30 01:41:33,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 942 transitions, 21990 flow [2023-11-30 01:41:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 666 transitions. [2023-11-30 01:41:33,304 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5349397590361445 [2023-11-30 01:41:33,304 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 666 transitions. [2023-11-30 01:41:33,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 666 transitions. [2023-11-30 01:41:33,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:33,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 666 transitions. [2023-11-30 01:41:33,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 44.4) internal successors, (666), 15 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:33,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:33,308 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:33,309 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 136 predicate places. [2023-11-30 01:41:33,309 INFO L500 AbstractCegarLoop]: Abstraction has has 221 places, 942 transitions, 21990 flow [2023-11-30 01:41:33,310 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:33,310 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:33,310 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:33,310 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 01:41:33,310 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:33,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:33,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1582350760, now seen corresponding path program 9 times [2023-11-30 01:41:33,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:33,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018490684] [2023-11-30 01:41:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:33,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:33,686 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 01:41:33,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:33,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018490684] [2023-11-30 01:41:33,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018490684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:33,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:33,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:33,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197903282] [2023-11-30 01:41:33,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:33,688 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:33,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:33,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:33,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:33,690 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:33,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 942 transitions, 21990 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:33,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:33,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:33,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:34,696 INFO L124 PetriNetUnfolderBase]: 759/1951 cut-off events. [2023-11-30 01:41:34,697 INFO L125 PetriNetUnfolderBase]: For 10605/11332 co-relation queries the response was YES. [2023-11-30 01:41:34,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20494 conditions, 1951 events. 759/1951 cut-off events. For 10605/11332 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 12759 event pairs, 38 based on Foata normal form. 90/2021 useless extension candidates. Maximal degree in co-relation 19222. Up to 923 conditions per place. [2023-11-30 01:41:34,711 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 269 selfloop transitions, 52 changer transitions 677/1027 dead transitions. [2023-11-30 01:41:34,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 1027 transitions, 25938 flow [2023-11-30 01:41:34,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-30 01:41:34,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-30 01:41:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 622 transitions. [2023-11-30 01:41:34,713 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5352839931153184 [2023-11-30 01:41:34,713 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 622 transitions. [2023-11-30 01:41:34,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 622 transitions. [2023-11-30 01:41:34,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:34,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 622 transitions. [2023-11-30 01:41:34,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 44.42857142857143) internal successors, (622), 14 states have internal predecessors, (622), 0 states have call successors, (0), 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 01:41:34,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 83.0) internal successors, (1245), 15 states have internal predecessors, (1245), 0 states have call successors, (0), 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 01:41:34,716 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 83.0) internal successors, (1245), 15 states have internal predecessors, (1245), 0 states have call successors, (0), 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 01:41:34,717 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 149 predicate places. [2023-11-30 01:41:34,717 INFO L500 AbstractCegarLoop]: Abstraction has has 234 places, 1027 transitions, 25938 flow [2023-11-30 01:41:34,717 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:34,717 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:34,717 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:34,717 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 01:41:34,717 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:34,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:34,718 INFO L85 PathProgramCache]: Analyzing trace with hash 182668716, now seen corresponding path program 10 times [2023-11-30 01:41:34,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:34,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711493724] [2023-11-30 01:41:34,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:34,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:35,066 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 01:41:35,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:35,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711493724] [2023-11-30 01:41:35,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711493724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:35,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:35,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:35,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91202929] [2023-11-30 01:41:35,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:35,067 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:35,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:35,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:35,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:35,068 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:35,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 1027 transitions, 25938 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:35,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:35,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:35,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:36,287 INFO L124 PetriNetUnfolderBase]: 817/2088 cut-off events. [2023-11-30 01:41:36,287 INFO L125 PetriNetUnfolderBase]: For 13413/14191 co-relation queries the response was YES. [2023-11-30 01:41:36,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23605 conditions, 2088 events. 817/2088 cut-off events. For 13413/14191 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 13865 event pairs, 43 based on Foata normal form. 106/2170 useless extension candidates. Maximal degree in co-relation 22238. Up to 998 conditions per place. [2023-11-30 01:41:36,310 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 277 selfloop transitions, 56 changer transitions 742/1104 dead transitions. [2023-11-30 01:41:36,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 1104 transitions, 30074 flow [2023-11-30 01:41:36,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 665 transitions. [2023-11-30 01:41:36,312 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5341365461847389 [2023-11-30 01:41:36,313 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 665 transitions. [2023-11-30 01:41:36,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 665 transitions. [2023-11-30 01:41:36,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:36,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 665 transitions. [2023-11-30 01:41:36,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 44.333333333333336) internal successors, (665), 15 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:36,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:36,319 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:36,319 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 163 predicate places. [2023-11-30 01:41:36,319 INFO L500 AbstractCegarLoop]: Abstraction has has 248 places, 1104 transitions, 30074 flow [2023-11-30 01:41:36,320 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:36,320 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:36,320 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:36,320 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 01:41:36,320 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:36,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:36,320 INFO L85 PathProgramCache]: Analyzing trace with hash -48828486, now seen corresponding path program 11 times [2023-11-30 01:41:36,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:36,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158796338] [2023-11-30 01:41:36,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:36,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:36,631 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 01:41:36,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:36,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158796338] [2023-11-30 01:41:36,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158796338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:36,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:36,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:36,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458023452] [2023-11-30 01:41:36,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:36,632 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:36,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:36,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:36,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:36,634 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:36,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 1104 transitions, 30074 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:36,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:36,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:36,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:37,786 INFO L124 PetriNetUnfolderBase]: 882/2259 cut-off events. [2023-11-30 01:41:37,786 INFO L125 PetriNetUnfolderBase]: For 17065/17885 co-relation queries the response was YES. [2023-11-30 01:41:37,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27195 conditions, 2259 events. 882/2259 cut-off events. For 17065/17885 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 15396 event pairs, 43 based on Foata normal form. 118/2351 useless extension candidates. Maximal degree in co-relation 25733. Up to 1095 conditions per place. [2023-11-30 01:41:37,800 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 295 selfloop transitions, 63 changer transitions 807/1194 dead transitions. [2023-11-30 01:41:37,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 1194 transitions, 34938 flow [2023-11-30 01:41:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 667 transitions. [2023-11-30 01:41:37,802 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5357429718875502 [2023-11-30 01:41:37,802 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 667 transitions. [2023-11-30 01:41:37,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 667 transitions. [2023-11-30 01:41:37,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:37,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 667 transitions. [2023-11-30 01:41:37,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 44.46666666666667) internal successors, (667), 15 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:37,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:37,806 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:37,806 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 177 predicate places. [2023-11-30 01:41:37,806 INFO L500 AbstractCegarLoop]: Abstraction has has 262 places, 1194 transitions, 34938 flow [2023-11-30 01:41:37,806 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:37,807 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:37,807 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:37,807 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 01:41:37,807 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:37,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:37,807 INFO L85 PathProgramCache]: Analyzing trace with hash -230187752, now seen corresponding path program 12 times [2023-11-30 01:41:37,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:37,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515691172] [2023-11-30 01:41:37,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:37,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:38,103 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 01:41:38,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:38,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515691172] [2023-11-30 01:41:38,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515691172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:38,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:38,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:38,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870009171] [2023-11-30 01:41:38,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:38,104 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:38,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:38,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:38,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:38,105 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:38,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 1194 transitions, 34938 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:38,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:38,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:38,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:39,173 INFO L124 PetriNetUnfolderBase]: 926/2372 cut-off events. [2023-11-30 01:41:39,173 INFO L125 PetriNetUnfolderBase]: For 20663/21641 co-relation queries the response was YES. [2023-11-30 01:41:39,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30340 conditions, 2372 events. 926/2372 cut-off events. For 20663/21641 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 16388 event pairs, 46 based on Foata normal form. 96/2442 useless extension candidates. Maximal degree in co-relation 28783. Up to 1155 conditions per place. [2023-11-30 01:41:39,187 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 307 selfloop transitions, 48 changer transitions 873/1257 dead transitions. [2023-11-30 01:41:39,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 1257 transitions, 39208 flow [2023-11-30 01:41:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-30 01:41:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-30 01:41:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 614 transitions. [2023-11-30 01:41:39,191 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5283993115318416 [2023-11-30 01:41:39,191 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 614 transitions. [2023-11-30 01:41:39,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 614 transitions. [2023-11-30 01:41:39,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:39,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 614 transitions. [2023-11-30 01:41:39,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 43.857142857142854) internal successors, (614), 14 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:39,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 83.0) internal successors, (1245), 15 states have internal predecessors, (1245), 0 states have call successors, (0), 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 01:41:39,194 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 83.0) internal successors, (1245), 15 states have internal predecessors, (1245), 0 states have call successors, (0), 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 01:41:39,194 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 190 predicate places. [2023-11-30 01:41:39,195 INFO L500 AbstractCegarLoop]: Abstraction has has 275 places, 1257 transitions, 39208 flow [2023-11-30 01:41:39,195 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:39,195 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:39,195 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:39,195 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 01:41:39,195 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:39,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:39,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1717214650, now seen corresponding path program 13 times [2023-11-30 01:41:39,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:39,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879315089] [2023-11-30 01:41:39,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:39,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:39,496 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 01:41:39,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:39,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879315089] [2023-11-30 01:41:39,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879315089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:39,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:39,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:39,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329582879] [2023-11-30 01:41:39,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:39,498 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:39,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:39,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:39,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:39,499 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:39,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 1257 transitions, 39208 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:39,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:39,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:39,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:40,588 INFO L124 PetriNetUnfolderBase]: 984/2509 cut-off events. [2023-11-30 01:41:40,588 INFO L125 PetriNetUnfolderBase]: For 24761/25869 co-relation queries the response was YES. [2023-11-30 01:41:40,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34108 conditions, 2509 events. 984/2509 cut-off events. For 24761/25869 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 17607 event pairs, 51 based on Foata normal form. 105/2584 useless extension candidates. Maximal degree in co-relation 32456. Up to 1230 conditions per place. [2023-11-30 01:41:40,604 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 315 selfloop transitions, 52 changer transitions 938/1334 dead transitions. [2023-11-30 01:41:40,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 1334 transitions, 44266 flow [2023-11-30 01:41:40,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 657 transitions. [2023-11-30 01:41:40,606 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5277108433734939 [2023-11-30 01:41:40,606 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 657 transitions. [2023-11-30 01:41:40,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 657 transitions. [2023-11-30 01:41:40,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:40,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 657 transitions. [2023-11-30 01:41:40,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 43.8) internal successors, (657), 15 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:40,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:40,610 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:40,610 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 204 predicate places. [2023-11-30 01:41:40,610 INFO L500 AbstractCegarLoop]: Abstraction has has 289 places, 1334 transitions, 44266 flow [2023-11-30 01:41:40,611 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:40,611 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:40,611 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:40,611 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 01:41:40,611 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:40,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:40,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1948711852, now seen corresponding path program 14 times [2023-11-30 01:41:40,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:40,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909522919] [2023-11-30 01:41:40,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:40,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:40,974 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 01:41:40,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:40,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909522919] [2023-11-30 01:41:40,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909522919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:40,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:40,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:40,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963327654] [2023-11-30 01:41:40,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:40,975 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:40,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:40,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:40,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:40,976 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:40,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 1334 transitions, 44266 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:40,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:40,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:40,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:42,132 INFO L124 PetriNetUnfolderBase]: 1061/2704 cut-off events. [2023-11-30 01:41:42,132 INFO L125 PetriNetUnfolderBase]: For 30020/31208 co-relation queries the response was YES. [2023-11-30 01:41:42,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38771 conditions, 2704 events. 1061/2704 cut-off events. For 30020/31208 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 19314 event pairs, 55 based on Foata normal form. 114/2786 useless extension candidates. Maximal degree in co-relation 37024. Up to 1334 conditions per place. [2023-11-30 01:41:42,149 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 340 selfloop transitions, 60 changer transitions 1007/1436 dead transitions. [2023-11-30 01:41:42,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 1436 transitions, 50556 flow [2023-11-30 01:41:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:42,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 665 transitions. [2023-11-30 01:41:42,158 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5341365461847389 [2023-11-30 01:41:42,158 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 665 transitions. [2023-11-30 01:41:42,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 665 transitions. [2023-11-30 01:41:42,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:42,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 665 transitions. [2023-11-30 01:41:42,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 44.333333333333336) internal successors, (665), 15 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:42,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:42,161 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:42,162 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 218 predicate places. [2023-11-30 01:41:42,162 INFO L500 AbstractCegarLoop]: Abstraction has has 303 places, 1436 transitions, 50556 flow [2023-11-30 01:41:42,162 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:42,162 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:42,162 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:42,162 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 01:41:42,162 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:42,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:42,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1206696292, now seen corresponding path program 15 times [2023-11-30 01:41:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:42,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106066064] [2023-11-30 01:41:42,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:42,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:42,461 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 01:41:42,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:42,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106066064] [2023-11-30 01:41:42,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106066064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:42,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:42,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:42,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881047146] [2023-11-30 01:41:42,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:42,463 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:42,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:42,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:42,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:42,464 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:42,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 1436 transitions, 50556 flow. Second operand has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:42,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:42,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:42,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:43,691 INFO L124 PetriNetUnfolderBase]: 1090/2803 cut-off events. [2023-11-30 01:41:43,691 INFO L125 PetriNetUnfolderBase]: For 35002/36374 co-relation queries the response was YES. [2023-11-30 01:41:43,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42046 conditions, 2803 events. 1090/2803 cut-off events. For 35002/36374 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20370 event pairs, 55 based on Foata normal form. 123/2902 useless extension candidates. Maximal degree in co-relation 40204. Up to 1376 conditions per place. [2023-11-30 01:41:43,710 INFO L140 encePairwiseOnDemand]: 63/83 looper letters, 330 selfloop transitions, 76 changer transitions 1070/1505 dead transitions. [2023-11-30 01:41:43,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 1505 transitions, 55944 flow [2023-11-30 01:41:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 01:41:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 01:41:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 663 transitions. [2023-11-30 01:41:43,711 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5325301204819277 [2023-11-30 01:41:43,711 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 663 transitions. [2023-11-30 01:41:43,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 663 transitions. [2023-11-30 01:41:43,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:43,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 663 transitions. [2023-11-30 01:41:43,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 44.2) internal successors, (663), 15 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:43,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:43,715 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 83.0) internal successors, (1328), 16 states have internal predecessors, (1328), 0 states have call successors, (0), 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 01:41:43,715 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 232 predicate places. [2023-11-30 01:41:43,715 INFO L500 AbstractCegarLoop]: Abstraction has has 317 places, 1505 transitions, 55944 flow [2023-11-30 01:41:43,715 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 35.84615384615385) internal successors, (466), 13 states have internal predecessors, (466), 0 states have call successors, (0), 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 01:41:43,715 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:43,715 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:43,716 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 01:41:43,716 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:43,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:43,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1204436833, now seen corresponding path program 1 times [2023-11-30 01:41:43,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:43,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651038749] [2023-11-30 01:41:43,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:43,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:43,980 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 01:41:43,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:43,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651038749] [2023-11-30 01:41:43,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651038749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:43,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:43,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:43,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024447973] [2023-11-30 01:41:43,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:43,981 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:43,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:43,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:43,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:43,982 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:43,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 1505 transitions, 55944 flow. Second operand has 13 states, 13 states have (on average 36.23076923076923) internal successors, (471), 13 states have internal predecessors, (471), 0 states have call successors, (0), 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 01:41:43,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:43,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:43,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:45,381 INFO L124 PetriNetUnfolderBase]: 1110/2873 cut-off events. [2023-11-30 01:41:45,381 INFO L125 PetriNetUnfolderBase]: For 40645/42579 co-relation queries the response was YES. [2023-11-30 01:41:45,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45234 conditions, 2873 events. 1110/2873 cut-off events. For 40645/42579 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 21065 event pairs, 55 based on Foata normal form. 88/2935 useless extension candidates. Maximal degree in co-relation 43297. Up to 1388 conditions per place. [2023-11-30 01:41:45,399 INFO L140 encePairwiseOnDemand]: 67/83 looper letters, 297 selfloop transitions, 56 changer transitions 1164/1546 dead transitions. [2023-11-30 01:41:45,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 1546 transitions, 60554 flow [2023-11-30 01:41:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-30 01:41:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-30 01:41:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 849 transitions. [2023-11-30 01:41:45,401 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.48709122203098104 [2023-11-30 01:41:45,401 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 849 transitions. [2023-11-30 01:41:45,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 849 transitions. [2023-11-30 01:41:45,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:45,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 849 transitions. [2023-11-30 01:41:45,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 40.42857142857143) internal successors, (849), 21 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:45,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 83.0) internal successors, (1826), 22 states have internal predecessors, (1826), 0 states have call successors, (0), 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 01:41:45,405 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 83.0) internal successors, (1826), 22 states have internal predecessors, (1826), 0 states have call successors, (0), 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 01:41:45,405 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 252 predicate places. [2023-11-30 01:41:45,405 INFO L500 AbstractCegarLoop]: Abstraction has has 337 places, 1546 transitions, 60554 flow [2023-11-30 01:41:45,406 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 36.23076923076923) internal successors, (471), 13 states have internal predecessors, (471), 0 states have call successors, (0), 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 01:41:45,406 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:41:45,406 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:41:45,406 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 01:41:45,406 INFO L425 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-30 01:41:45,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:41:45,406 INFO L85 PathProgramCache]: Analyzing trace with hash 714067009, now seen corresponding path program 2 times [2023-11-30 01:41:45,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:41:45,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855146618] [2023-11-30 01:41:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:41:45,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:41:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:41:45,726 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 01:41:45,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:41:45,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855146618] [2023-11-30 01:41:45,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855146618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:41:45,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:41:45,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-30 01:41:45,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169872972] [2023-11-30 01:41:45,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:41:45,728 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 01:41:45,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:41:45,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 01:41:45,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-30 01:41:45,729 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 83 [2023-11-30 01:41:45,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 1546 transitions, 60554 flow. Second operand has 13 states, 13 states have (on average 36.23076923076923) internal successors, (471), 13 states have internal predecessors, (471), 0 states have call successors, (0), 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 01:41:45,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:41:45,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 83 [2023-11-30 01:41:45,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:41:47,332 INFO L124 PetriNetUnfolderBase]: 1092/2790 cut-off events. [2023-11-30 01:41:47,332 INFO L125 PetriNetUnfolderBase]: For 44459/47046 co-relation queries the response was YES. [2023-11-30 01:41:47,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46630 conditions, 2790 events. 1092/2790 cut-off events. For 44459/47046 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20135 event pairs, 51 based on Foata normal form. 243/3030 useless extension candidates. Maximal degree in co-relation 44598. Up to 1358 conditions per place. [2023-11-30 01:41:47,352 INFO L140 encePairwiseOnDemand]: 68/83 looper letters, 0 selfloop transitions, 0 changer transitions 1579/1579 dead transitions. [2023-11-30 01:41:47,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 1579 transitions, 64896 flow [2023-11-30 01:41:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-30 01:41:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-11-30 01:41:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 950 transitions. [2023-11-30 01:41:47,354 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.47690763052208834 [2023-11-30 01:41:47,354 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 950 transitions. [2023-11-30 01:41:47,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 950 transitions. [2023-11-30 01:41:47,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:41:47,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 950 transitions. [2023-11-30 01:41:47,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 39.583333333333336) internal successors, (950), 24 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:47,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 83.0) internal successors, (2075), 25 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:47,359 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 83.0) internal successors, (2075), 25 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:41:47,359 INFO L307 CegarLoopForPetriNet]: 85 programPoint places, 274 predicate places. [2023-11-30 01:41:47,359 INFO L500 AbstractCegarLoop]: Abstraction has has 359 places, 1579 transitions, 64896 flow [2023-11-30 01:41:47,359 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 36.23076923076923) internal successors, (471), 13 states have internal predecessors, (471), 0 states have call successors, (0), 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 01:41:47,364 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/06-symbeq_13-equ_proc_nr.i_BEv2_AllErrorsAtOnce [2023-11-30 01:41:47,422 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-11-30 01:41:47,422 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-30 01:41:47,422 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-11-30 01:41:47,422 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-11-30 01:41:47,423 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-30 01:41:47,423 INFO L457 BasicCegarLoop]: Path program histogram: [15, 2, 1, 1, 1, 1] [2023-11-30 01:41:47,427 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:41:47,427 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:41:47,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:41:47 BasicIcfg [2023-11-30 01:41:47,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:41:47,432 INFO L158 Benchmark]: Toolchain (without parser) took 28182.69ms. Allocated memory was 373.3MB in the beginning and 1.1GB in the end (delta: 769.7MB). Free memory was 321.0MB in the beginning and 771.1MB in the end (delta: -450.0MB). Peak memory consumption was 707.7MB. Max. memory is 16.0GB. [2023-11-30 01:41:47,432 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 373.3MB. Free memory is still 318.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:41:47,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.92ms. Allocated memory is still 373.3MB. Free memory was 321.0MB in the beginning and 292.9MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-11-30 01:41:47,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.56ms. Allocated memory is still 373.3MB. Free memory was 292.9MB in the beginning and 290.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 01:41:47,433 INFO L158 Benchmark]: Boogie Preprocessor took 37.99ms. Allocated memory is still 373.3MB. Free memory was 290.4MB in the beginning and 288.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:41:47,433 INFO L158 Benchmark]: RCFGBuilder took 437.24ms. Allocated memory is still 373.3MB. Free memory was 288.7MB in the beginning and 272.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 01:41:47,433 INFO L158 Benchmark]: TraceAbstraction took 27058.97ms. Allocated memory was 373.3MB in the beginning and 1.1GB in the end (delta: 769.7MB). Free memory was 272.1MB in the beginning and 771.1MB in the end (delta: -498.9MB). Peak memory consumption was 659.5MB. Max. memory is 16.0GB. [2023-11-30 01:41:47,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 373.3MB. Free memory is still 318.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 573.92ms. Allocated memory is still 373.3MB. Free memory was 321.0MB in the beginning and 292.9MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.56ms. Allocated memory is still 373.3MB. Free memory was 292.9MB in the beginning and 290.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 37.99ms. Allocated memory is still 373.3MB. Free memory was 290.4MB in the beginning and 288.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 437.24ms. Allocated memory is still 373.3MB. Free memory was 288.7MB in the beginning and 272.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 27058.97ms. Allocated memory was 373.3MB in the beginning and 1.1GB in the end (delta: 769.7MB). Free memory was 272.1MB in the beginning and 771.1MB in the end (delta: -498.9MB). Peak memory consumption was 659.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 999]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 994]: 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, 101 locations, 4 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: 26.9s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 15, EmptinessCheckTime: 0.0s, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3365 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3365 mSDsluCounter, 3358 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2370 mSDsCounter, 524 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10774 IncrementalHoareTripleChecker+Invalid, 11298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 524 mSolverCounterUnsat, 988 mSDtfsCounter, 10774 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 467 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 439 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64896occurred in iteration=21, InterpolantAutomatonStates: 297, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1214 NumberOfCodeBlocks, 1214 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1193 ConstructedInterpolants, 0 QuantifiedInterpolants, 8060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:41:47,448 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...