/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/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:36:33,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:36:33,843 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 02:36:33,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:36:33,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:36:33,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:36:33,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:36:33,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:36:33,871 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:36:33,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:36:33,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:36:33,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:36:33,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:36:33,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:36:33,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:36:33,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:36:33,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:36:33,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:36:33,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:36:33,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:36:33,876 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:36:33,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:36:33,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:36:33,877 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:36:33,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:36:33,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:36:33,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:36:33,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:36:33,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:36:33,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:36:33,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:36:33,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:36:33,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:36:33,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:36:34,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:36:34,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:36:34,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:36:34,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:36:34,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:36:34,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-30 02:36:35,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:36:35,291 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:36:35,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-30 02:36:35,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de56d6928/f24c1461600d4964a0f44b49eafcde25/FLAGed3a8a107 [2023-11-30 02:36:35,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de56d6928/f24c1461600d4964a0f44b49eafcde25 [2023-11-30 02:36:35,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:36:35,317 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:36:35,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:36:35,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:36:35,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:36:35,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db3ba5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35, skipping insertion in model container [2023-11-30 02:36:35,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:36:35,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:36:35,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:36:35,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:36:35,584 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:36:35,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35 WrapperNode [2023-11-30 02:36:35,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:36:35,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:36:35,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:36:35,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:36:35,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,598 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,655 INFO L138 Inliner]: procedures = 166, calls = 50, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 203 [2023-11-30 02:36:35,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:36:35,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:36:35,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:36:35,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:36:35,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:36:35,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:36:35,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:36:35,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:36:35,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (1/1) ... [2023-11-30 02:36:35,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:36:35,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:36:35,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 02:36:35,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 02:36:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:36:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 02:36:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:36:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:36:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 02:36:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 02:36:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:36:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:36:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 02:36:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:36:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:36:35,756 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 02:36:35,844 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:36:35,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:36:36,040 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:36:36,065 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:36:36,065 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 02:36:36,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:36:36 BoogieIcfgContainer [2023-11-30 02:36:36,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:36:36,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:36:36,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:36:36,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:36:36,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:36:35" (1/3) ... [2023-11-30 02:36:36,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2739c8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:36:36, skipping insertion in model container [2023-11-30 02:36:36,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:36:35" (2/3) ... [2023-11-30 02:36:36,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2739c8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:36:36, skipping insertion in model container [2023-11-30 02:36:36,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:36:36" (3/3) ... [2023-11-30 02:36:36,071 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-30 02:36:36,082 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:36:36,082 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-11-30 02:36:36,082 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:36:36,131 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 02:36:36,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 234 places, 242 transitions, 488 flow [2023-11-30 02:36:36,223 INFO L124 PetriNetUnfolderBase]: 11/245 cut-off events. [2023-11-30 02:36:36,224 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:36:36,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 245 events. 11/245 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 290 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 198. Up to 2 conditions per place. [2023-11-30 02:36:36,237 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 242 transitions, 488 flow [2023-11-30 02:36:36,242 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 240 transitions, 483 flow [2023-11-30 02:36:36,248 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:36:36,253 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;@3f515a00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:36:36,253 INFO L363 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-11-30 02:36:36,271 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:36:36,271 INFO L124 PetriNetUnfolderBase]: 0/60 cut-off events. [2023-11-30 02:36:36,271 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:36:36,271 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:36,274 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 02:36:36,275 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:36,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:36,278 INFO L85 PathProgramCache]: Analyzing trace with hash -891046421, now seen corresponding path program 1 times [2023-11-30 02:36:36,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:36,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191719434] [2023-11-30 02:36:36,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:36,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:36,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:36,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191719434] [2023-11-30 02:36:36,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191719434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:36,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:36,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:36,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667098001] [2023-11-30 02:36:36,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:36,503 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:36,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:36,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:36,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:36,524 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 242 [2023-11-30 02:36:36,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 240 transitions, 483 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:36,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:36,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 242 [2023-11-30 02:36:36,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:36,784 INFO L124 PetriNetUnfolderBase]: 214/1451 cut-off events. [2023-11-30 02:36:36,785 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 02:36:36,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1451 events. 214/1451 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8879 event pairs, 157 based on Foata normal form. 118/1381 useless extension candidates. Maximal degree in co-relation 1866. Up to 406 conditions per place. [2023-11-30 02:36:36,796 INFO L140 encePairwiseOnDemand]: 226/242 looper letters, 40 selfloop transitions, 5 changer transitions 0/235 dead transitions. [2023-11-30 02:36:36,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 235 transitions, 563 flow [2023-11-30 02:36:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2023-11-30 02:36:36,811 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.90633608815427 [2023-11-30 02:36:36,811 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 658 transitions. [2023-11-30 02:36:36,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 658 transitions. [2023-11-30 02:36:36,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:36,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 658 transitions. [2023-11-30 02:36:36,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 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 02:36:36,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:36,825 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:36,828 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, -7 predicate places. [2023-11-30 02:36:36,829 INFO L500 AbstractCegarLoop]: Abstraction has has 226 places, 235 transitions, 563 flow [2023-11-30 02:36:36,829 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:36,829 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:36,829 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] [2023-11-30 02:36:36,830 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:36:36,830 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:36,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:36,831 INFO L85 PathProgramCache]: Analyzing trace with hash 284488456, now seen corresponding path program 1 times [2023-11-30 02:36:36,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:36,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035327492] [2023-11-30 02:36:36,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:36,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:36,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:36,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035327492] [2023-11-30 02:36:36,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035327492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:36,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:36,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:36,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248821957] [2023-11-30 02:36:36,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:36,933 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:36,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:36,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:36,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:36,935 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 242 [2023-11-30 02:36:36,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 235 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:36,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:36,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 242 [2023-11-30 02:36:36,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:37,205 INFO L124 PetriNetUnfolderBase]: 296/2015 cut-off events. [2023-11-30 02:36:37,205 INFO L125 PetriNetUnfolderBase]: For 240/294 co-relation queries the response was YES. [2023-11-30 02:36:37,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2977 conditions, 2015 events. 296/2015 cut-off events. For 240/294 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 13658 event pairs, 206 based on Foata normal form. 0/1756 useless extension candidates. Maximal degree in co-relation 2925. Up to 494 conditions per place. [2023-11-30 02:36:37,213 INFO L140 encePairwiseOnDemand]: 237/242 looper letters, 38 selfloop transitions, 4 changer transitions 0/246 dead transitions. [2023-11-30 02:36:37,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 246 transitions, 681 flow [2023-11-30 02:36:37,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 649 transitions. [2023-11-30 02:36:37,215 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8939393939393939 [2023-11-30 02:36:37,215 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 649 transitions. [2023-11-30 02:36:37,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 649 transitions. [2023-11-30 02:36:37,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:37,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 649 transitions. [2023-11-30 02:36:37,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,218 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,220 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, -5 predicate places. [2023-11-30 02:36:37,220 INFO L500 AbstractCegarLoop]: Abstraction has has 228 places, 246 transitions, 681 flow [2023-11-30 02:36:37,221 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,221 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:37,221 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] [2023-11-30 02:36:37,221 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:36:37,221 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:37,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:37,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1966436507, now seen corresponding path program 1 times [2023-11-30 02:36:37,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:37,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014514626] [2023-11-30 02:36:37,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:37,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:37,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:37,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:37,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014514626] [2023-11-30 02:36:37,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014514626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:37,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:37,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:37,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091455792] [2023-11-30 02:36:37,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:37,297 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:37,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:37,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:37,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:37,298 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 242 [2023-11-30 02:36:37,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 246 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:37,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 242 [2023-11-30 02:36:37,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:37,560 INFO L124 PetriNetUnfolderBase]: 403/2739 cut-off events. [2023-11-30 02:36:37,561 INFO L125 PetriNetUnfolderBase]: For 980/1118 co-relation queries the response was YES. [2023-11-30 02:36:37,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4554 conditions, 2739 events. 403/2739 cut-off events. For 980/1118 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 21310 event pairs, 173 based on Foata normal form. 7/2429 useless extension candidates. Maximal degree in co-relation 4500. Up to 732 conditions per place. [2023-11-30 02:36:37,568 INFO L140 encePairwiseOnDemand]: 238/242 looper letters, 52 selfloop transitions, 5 changer transitions 0/266 dead transitions. [2023-11-30 02:36:37,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 266 transitions, 907 flow [2023-11-30 02:36:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 661 transitions. [2023-11-30 02:36:37,570 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9104683195592287 [2023-11-30 02:36:37,570 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 661 transitions. [2023-11-30 02:36:37,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 661 transitions. [2023-11-30 02:36:37,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:37,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 661 transitions. [2023-11-30 02:36:37,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,573 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,573 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, -3 predicate places. [2023-11-30 02:36:37,574 INFO L500 AbstractCegarLoop]: Abstraction has has 230 places, 266 transitions, 907 flow [2023-11-30 02:36:37,574 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,574 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:37,574 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:37,574 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:36:37,574 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:37,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:37,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1243294898, now seen corresponding path program 1 times [2023-11-30 02:36:37,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:37,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258820337] [2023-11-30 02:36:37,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:37,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:37,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:37,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258820337] [2023-11-30 02:36:37,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258820337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:37,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:37,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:37,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128534163] [2023-11-30 02:36:37,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:37,606 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:37,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:37,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:37,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:37,607 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2023-11-30 02:36:37,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 266 transitions, 907 flow. Second operand has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:37,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:37,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2023-11-30 02:36:37,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:38,108 INFO L124 PetriNetUnfolderBase]: 805/5142 cut-off events. [2023-11-30 02:36:38,108 INFO L125 PetriNetUnfolderBase]: For 4171/4416 co-relation queries the response was YES. [2023-11-30 02:36:38,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9499 conditions, 5142 events. 805/5142 cut-off events. For 4171/4416 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 48399 event pairs, 279 based on Foata normal form. 24/4550 useless extension candidates. Maximal degree in co-relation 9443. Up to 1401 conditions per place. [2023-11-30 02:36:38,126 INFO L140 encePairwiseOnDemand]: 237/242 looper letters, 77 selfloop transitions, 4 changer transitions 0/295 dead transitions. [2023-11-30 02:36:38,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 295 transitions, 1259 flow [2023-11-30 02:36:38,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 659 transitions. [2023-11-30 02:36:38,128 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9077134986225895 [2023-11-30 02:36:38,128 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 659 transitions. [2023-11-30 02:36:38,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 659 transitions. [2023-11-30 02:36:38,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:38,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 659 transitions. [2023-11-30 02:36:38,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,131 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,132 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, -1 predicate places. [2023-11-30 02:36:38,132 INFO L500 AbstractCegarLoop]: Abstraction has has 232 places, 295 transitions, 1259 flow [2023-11-30 02:36:38,132 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,133 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:38,133 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:38,133 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 02:36:38,133 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:38,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:38,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1653931116, now seen corresponding path program 1 times [2023-11-30 02:36:38,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:38,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252428133] [2023-11-30 02:36:38,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:38,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:38,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:38,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252428133] [2023-11-30 02:36:38,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252428133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:38,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:38,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 02:36:38,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078226900] [2023-11-30 02:36:38,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:38,347 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:36:38,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:38,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:36:38,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:36:38,348 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 242 [2023-11-30 02:36:38,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 295 transitions, 1259 flow. Second operand has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:38,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 242 [2023-11-30 02:36:38,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:38,691 INFO L124 PetriNetUnfolderBase]: 413/2468 cut-off events. [2023-11-30 02:36:38,692 INFO L125 PetriNetUnfolderBase]: For 3675/3830 co-relation queries the response was YES. [2023-11-30 02:36:38,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5167 conditions, 2468 events. 413/2468 cut-off events. For 3675/3830 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 18751 event pairs, 208 based on Foata normal form. 32/2206 useless extension candidates. Maximal degree in co-relation 5097. Up to 788 conditions per place. [2023-11-30 02:36:38,701 INFO L140 encePairwiseOnDemand]: 232/242 looper letters, 56 selfloop transitions, 20 changer transitions 0/278 dead transitions. [2023-11-30 02:36:38,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 278 transitions, 1319 flow [2023-11-30 02:36:38,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 02:36:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 02:36:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1051 transitions. [2023-11-30 02:36:38,704 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.868595041322314 [2023-11-30 02:36:38,704 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1051 transitions. [2023-11-30 02:36:38,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1051 transitions. [2023-11-30 02:36:38,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:38,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1051 transitions. [2023-11-30 02:36:38,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.2) internal successors, (1051), 5 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,708 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,708 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 0 predicate places. [2023-11-30 02:36:38,708 INFO L500 AbstractCegarLoop]: Abstraction has has 233 places, 278 transitions, 1319 flow [2023-11-30 02:36:38,709 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,709 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:38,709 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:38,709 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 02:36:38,710 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:38,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash -255365294, now seen corresponding path program 1 times [2023-11-30 02:36:38,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:38,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436010705] [2023-11-30 02:36:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:38,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:38,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:38,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436010705] [2023-11-30 02:36:38,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436010705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:38,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:38,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:38,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055664448] [2023-11-30 02:36:38,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:38,742 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:38,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:38,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:38,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:38,743 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 242 [2023-11-30 02:36:38,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 278 transitions, 1319 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:38,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 242 [2023-11-30 02:36:38,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:38,977 INFO L124 PetriNetUnfolderBase]: 421/2467 cut-off events. [2023-11-30 02:36:38,977 INFO L125 PetriNetUnfolderBase]: For 5073/5278 co-relation queries the response was YES. [2023-11-30 02:36:38,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5747 conditions, 2467 events. 421/2467 cut-off events. For 5073/5278 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 18750 event pairs, 213 based on Foata normal form. 1/2180 useless extension candidates. Maximal degree in co-relation 5674. Up to 796 conditions per place. [2023-11-30 02:36:38,989 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 78 selfloop transitions, 3 changer transitions 0/281 dead transitions. [2023-11-30 02:36:38,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 281 transitions, 1525 flow [2023-11-30 02:36:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2023-11-30 02:36:38,991 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.871900826446281 [2023-11-30 02:36:38,991 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2023-11-30 02:36:38,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2023-11-30 02:36:38,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:38,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2023-11-30 02:36:38,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,994 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,994 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 1 predicate places. [2023-11-30 02:36:38,994 INFO L500 AbstractCegarLoop]: Abstraction has has 234 places, 281 transitions, 1525 flow [2023-11-30 02:36:38,995 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:38,995 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:38,995 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:38,995 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 02:36:38,995 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:38,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:38,995 INFO L85 PathProgramCache]: Analyzing trace with hash 716360796, now seen corresponding path program 1 times [2023-11-30 02:36:38,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:38,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067288849] [2023-11-30 02:36:38,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:38,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:39,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:39,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067288849] [2023-11-30 02:36:39,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067288849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:39,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:39,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:39,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553539417] [2023-11-30 02:36:39,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:39,031 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:39,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:39,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:39,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:39,032 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 242 [2023-11-30 02:36:39,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 281 transitions, 1525 flow. Second operand has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 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 02:36:39,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:39,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 242 [2023-11-30 02:36:39,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:39,288 INFO L124 PetriNetUnfolderBase]: 428/2460 cut-off events. [2023-11-30 02:36:39,288 INFO L125 PetriNetUnfolderBase]: For 7087/7411 co-relation queries the response was YES. [2023-11-30 02:36:39,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6315 conditions, 2460 events. 428/2460 cut-off events. For 7087/7411 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 18679 event pairs, 205 based on Foata normal form. 5/2196 useless extension candidates. Maximal degree in co-relation 6239. Up to 803 conditions per place. [2023-11-30 02:36:39,304 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 84 selfloop transitions, 3 changer transitions 0/287 dead transitions. [2023-11-30 02:36:39,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 287 transitions, 1791 flow [2023-11-30 02:36:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2023-11-30 02:36:39,306 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8705234159779615 [2023-11-30 02:36:39,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 632 transitions. [2023-11-30 02:36:39,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 632 transitions. [2023-11-30 02:36:39,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:39,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 632 transitions. [2023-11-30 02:36:39,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,308 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,309 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 2 predicate places. [2023-11-30 02:36:39,309 INFO L500 AbstractCegarLoop]: Abstraction has has 235 places, 287 transitions, 1791 flow [2023-11-30 02:36:39,310 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 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 02:36:39,310 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:39,310 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:39,310 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 02:36:39,310 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:39,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:39,310 INFO L85 PathProgramCache]: Analyzing trace with hash 973300665, now seen corresponding path program 1 times [2023-11-30 02:36:39,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:39,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602785819] [2023-11-30 02:36:39,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:39,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:39,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:39,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602785819] [2023-11-30 02:36:39,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602785819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:39,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:39,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:39,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114833430] [2023-11-30 02:36:39,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:39,356 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:39,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:39,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:39,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:39,357 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 242 [2023-11-30 02:36:39,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 287 transitions, 1791 flow. Second operand has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:39,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 242 [2023-11-30 02:36:39,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:39,618 INFO L124 PetriNetUnfolderBase]: 521/2689 cut-off events. [2023-11-30 02:36:39,618 INFO L125 PetriNetUnfolderBase]: For 10462/11288 co-relation queries the response was YES. [2023-11-30 02:36:39,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7849 conditions, 2689 events. 521/2689 cut-off events. For 10462/11288 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 20424 event pairs, 199 based on Foata normal form. 4/2394 useless extension candidates. Maximal degree in co-relation 7770. Up to 911 conditions per place. [2023-11-30 02:36:39,628 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 79 selfloop transitions, 5 changer transitions 35/307 dead transitions. [2023-11-30 02:36:39,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 307 transitions, 2249 flow [2023-11-30 02:36:39,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2023-11-30 02:36:39,630 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8815426997245179 [2023-11-30 02:36:39,630 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 640 transitions. [2023-11-30 02:36:39,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 640 transitions. [2023-11-30 02:36:39,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:39,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 640 transitions. [2023-11-30 02:36:39,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,633 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,633 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 4 predicate places. [2023-11-30 02:36:39,633 INFO L500 AbstractCegarLoop]: Abstraction has has 237 places, 307 transitions, 2249 flow [2023-11-30 02:36:39,634 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,634 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:39,634 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:39,634 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 02:36:39,634 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:39,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:39,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1526374113, now seen corresponding path program 1 times [2023-11-30 02:36:39,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:39,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128708039] [2023-11-30 02:36:39,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:39,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:39,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:39,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128708039] [2023-11-30 02:36:39,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128708039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:39,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:39,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:39,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946050719] [2023-11-30 02:36:39,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:39,664 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:39,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:39,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:39,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:39,665 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 242 [2023-11-30 02:36:39,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 307 transitions, 2249 flow. Second operand has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:39,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:39,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 242 [2023-11-30 02:36:39,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:40,082 INFO L124 PetriNetUnfolderBase]: 588/3017 cut-off events. [2023-11-30 02:36:40,082 INFO L125 PetriNetUnfolderBase]: For 14660/15746 co-relation queries the response was YES. [2023-11-30 02:36:40,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9679 conditions, 3017 events. 588/3017 cut-off events. For 14660/15746 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 23487 event pairs, 197 based on Foata normal form. 6/2753 useless extension candidates. Maximal degree in co-relation 9598. Up to 972 conditions per place. [2023-11-30 02:36:40,093 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 100 selfloop transitions, 9 changer transitions 35/335 dead transitions. [2023-11-30 02:36:40,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 335 transitions, 2891 flow [2023-11-30 02:36:40,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:40,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:40,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2023-11-30 02:36:40,094 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8898071625344353 [2023-11-30 02:36:40,095 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2023-11-30 02:36:40,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2023-11-30 02:36:40,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:40,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2023-11-30 02:36:40,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,097 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,097 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 6 predicate places. [2023-11-30 02:36:40,098 INFO L500 AbstractCegarLoop]: Abstraction has has 239 places, 335 transitions, 2891 flow [2023-11-30 02:36:40,098 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,098 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:40,098 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:40,098 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 02:36:40,098 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:40,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:40,098 INFO L85 PathProgramCache]: Analyzing trace with hash -193882014, now seen corresponding path program 1 times [2023-11-30 02:36:40,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:40,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172506498] [2023-11-30 02:36:40,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:40,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:40,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:40,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172506498] [2023-11-30 02:36:40,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172506498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:40,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:40,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:36:40,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420486204] [2023-11-30 02:36:40,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:40,127 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:36:40,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:40,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:36:40,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:36:40,128 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 242 [2023-11-30 02:36:40,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 335 transitions, 2891 flow. Second operand has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:40,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 242 [2023-11-30 02:36:40,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:40,505 INFO L124 PetriNetUnfolderBase]: 647/3603 cut-off events. [2023-11-30 02:36:40,506 INFO L125 PetriNetUnfolderBase]: For 21729/23213 co-relation queries the response was YES. [2023-11-30 02:36:40,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12404 conditions, 3603 events. 647/3603 cut-off events. For 21729/23213 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 30266 event pairs, 160 based on Foata normal form. 15/3348 useless extension candidates. Maximal degree in co-relation 12321. Up to 1082 conditions per place. [2023-11-30 02:36:40,520 INFO L140 encePairwiseOnDemand]: 237/242 looper letters, 109 selfloop transitions, 5 changer transitions 84/391 dead transitions. [2023-11-30 02:36:40,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 391 transitions, 4271 flow [2023-11-30 02:36:40,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:36:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:36:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2023-11-30 02:36:40,521 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8966942148760331 [2023-11-30 02:36:40,522 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2023-11-30 02:36:40,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2023-11-30 02:36:40,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:40,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2023-11-30 02:36:40,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,524 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,524 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 8 predicate places. [2023-11-30 02:36:40,524 INFO L500 AbstractCegarLoop]: Abstraction has has 241 places, 391 transitions, 4271 flow [2023-11-30 02:36:40,525 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,525 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:40,525 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:40,525 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 02:36:40,525 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:40,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:40,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1437538261, now seen corresponding path program 1 times [2023-11-30 02:36:40,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:40,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531570474] [2023-11-30 02:36:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:40,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:40,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:40,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531570474] [2023-11-30 02:36:40,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531570474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:40,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:40,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:36:40,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808045319] [2023-11-30 02:36:40,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:40,631 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 02:36:40,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:40,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 02:36:40,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-30 02:36:40,632 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 242 [2023-11-30 02:36:40,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 391 transitions, 4271 flow. Second operand has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:40,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 242 [2023-11-30 02:36:40,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:40,944 INFO L124 PetriNetUnfolderBase]: 507/2986 cut-off events. [2023-11-30 02:36:40,944 INFO L125 PetriNetUnfolderBase]: For 22659/24023 co-relation queries the response was YES. [2023-11-30 02:36:40,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10497 conditions, 2986 events. 507/2986 cut-off events. For 22659/24023 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 23879 event pairs, 133 based on Foata normal form. 19/2786 useless extension candidates. Maximal degree in co-relation 10400. Up to 840 conditions per place. [2023-11-30 02:36:40,956 INFO L140 encePairwiseOnDemand]: 234/242 looper letters, 54 selfloop transitions, 21 changer transitions 96/387 dead transitions. [2023-11-30 02:36:40,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 387 transitions, 4511 flow [2023-11-30 02:36:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 02:36:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 02:36:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1051 transitions. [2023-11-30 02:36:40,958 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.868595041322314 [2023-11-30 02:36:40,958 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1051 transitions. [2023-11-30 02:36:40,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1051 transitions. [2023-11-30 02:36:40,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:40,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1051 transitions. [2023-11-30 02:36:40,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.2) internal successors, (1051), 5 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,962 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,963 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 12 predicate places. [2023-11-30 02:36:40,963 INFO L500 AbstractCegarLoop]: Abstraction has has 245 places, 387 transitions, 4511 flow [2023-11-30 02:36:40,963 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:40,963 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:40,963 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:40,963 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 02:36:40,964 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:40,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:40,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1376231209, now seen corresponding path program 2 times [2023-11-30 02:36:40,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:40,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989143522] [2023-11-30 02:36:40,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:40,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:41,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:41,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989143522] [2023-11-30 02:36:41,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989143522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:41,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:41,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 02:36:41,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314152524] [2023-11-30 02:36:41,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:41,165 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:36:41,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:41,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:36:41,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:36:41,166 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 242 [2023-11-30 02:36:41,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 387 transitions, 4511 flow. Second operand has 6 states, 6 states have (on average 205.16666666666666) internal successors, (1231), 6 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:41,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 242 [2023-11-30 02:36:41,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:41,393 INFO L124 PetriNetUnfolderBase]: 239/1733 cut-off events. [2023-11-30 02:36:41,393 INFO L125 PetriNetUnfolderBase]: For 14270/14985 co-relation queries the response was YES. [2023-11-30 02:36:41,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6036 conditions, 1733 events. 239/1733 cut-off events. For 14270/14985 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11279 event pairs, 64 based on Foata normal form. 18/1629 useless extension candidates. Maximal degree in co-relation 5925. Up to 442 conditions per place. [2023-11-30 02:36:41,399 INFO L140 encePairwiseOnDemand]: 232/242 looper letters, 44 selfloop transitions, 11 changer transitions 70/322 dead transitions. [2023-11-30 02:36:41,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 322 transitions, 3429 flow [2023-11-30 02:36:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 02:36:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 02:36:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1049 transitions. [2023-11-30 02:36:41,402 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8669421487603306 [2023-11-30 02:36:41,402 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1049 transitions. [2023-11-30 02:36:41,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1049 transitions. [2023-11-30 02:36:41,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:41,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1049 transitions. [2023-11-30 02:36:41,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.8) internal successors, (1049), 5 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,406 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,406 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 15 predicate places. [2023-11-30 02:36:41,406 INFO L500 AbstractCegarLoop]: Abstraction has has 248 places, 322 transitions, 3429 flow [2023-11-30 02:36:41,407 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.16666666666666) internal successors, (1231), 6 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,407 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:36:41,407 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:41,407 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 02:36:41,407 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-30 02:36:41,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:36:41,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1020684289, now seen corresponding path program 1 times [2023-11-30 02:36:41,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:36:41,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400299124] [2023-11-30 02:36:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:36:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:36:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:36:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:36:41,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:36:41,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400299124] [2023-11-30 02:36:41,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400299124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:36:41,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:36:41,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 02:36:41,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234362683] [2023-11-30 02:36:41,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:36:41,699 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 02:36:41,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:36:41,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 02:36:41,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-30 02:36:41,701 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 242 [2023-11-30 02:36:41,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 322 transitions, 3429 flow. Second operand has 7 states, 7 states have (on average 200.28571428571428) internal successors, (1402), 7 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:36:41,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 242 [2023-11-30 02:36:41,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:36:41,859 INFO L124 PetriNetUnfolderBase]: 75/952 cut-off events. [2023-11-30 02:36:41,859 INFO L125 PetriNetUnfolderBase]: For 8756/8968 co-relation queries the response was YES. [2023-11-30 02:36:41,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3169 conditions, 952 events. 75/952 cut-off events. For 8756/8968 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4592 event pairs, 21 based on Foata normal form. 27/935 useless extension candidates. Maximal degree in co-relation 3038. Up to 185 conditions per place. [2023-11-30 02:36:41,862 INFO L140 encePairwiseOnDemand]: 235/242 looper letters, 0 selfloop transitions, 0 changer transitions 265/265 dead transitions. [2023-11-30 02:36:41,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 265 transitions, 2491 flow [2023-11-30 02:36:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:36:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:36:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1217 transitions. [2023-11-30 02:36:41,864 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8381542699724518 [2023-11-30 02:36:41,864 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1217 transitions. [2023-11-30 02:36:41,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1217 transitions. [2023-11-30 02:36:41,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:36:41,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1217 transitions. [2023-11-30 02:36:41,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 202.83333333333334) internal successors, (1217), 6 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,869 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,869 INFO L307 CegarLoopForPetriNet]: 233 programPoint places, 17 predicate places. [2023-11-30 02:36:41,869 INFO L500 AbstractCegarLoop]: Abstraction has has 250 places, 265 transitions, 2491 flow [2023-11-30 02:36:41,870 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 200.28571428571428) internal successors, (1402), 7 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:36:41,875 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i_BEv2_AllErrorsAtOnce [2023-11-30 02:36:41,900 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2023-11-30 02:36:41,900 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2023-11-30 02:36:41,901 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2023-11-30 02:36:41,902 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2023-11-30 02:36:41,902 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2023-11-30 02:36:41,902 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2023-11-30 02:36:41,902 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 02:36:41,902 INFO L457 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:36:41,905 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:36:41,906 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:36:41,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:36:41 BasicIcfg [2023-11-30 02:36:41,910 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:36:41,910 INFO L158 Benchmark]: Toolchain (without parser) took 6593.14ms. Allocated memory was 364.9MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 300.7MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 456.5MB. Max. memory is 16.0GB. [2023-11-30 02:36:41,910 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 364.9MB. Free memory is still 313.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:36:41,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.15ms. Allocated memory is still 364.9MB. Free memory was 300.4MB in the beginning and 279.8MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 02:36:41,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.68ms. Allocated memory was 364.9MB in the beginning and 595.6MB in the end (delta: 230.7MB). Free memory was 279.8MB in the beginning and 560.3MB in the end (delta: -280.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.0GB. [2023-11-30 02:36:41,911 INFO L158 Benchmark]: Boogie Preprocessor took 32.78ms. Allocated memory is still 595.6MB. Free memory was 560.3MB in the beginning and 558.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:36:41,911 INFO L158 Benchmark]: RCFGBuilder took 377.38ms. Allocated memory is still 595.6MB. Free memory was 558.5MB in the beginning and 534.7MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 02:36:41,911 INFO L158 Benchmark]: TraceAbstraction took 5842.13ms. Allocated memory was 595.6MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 534.1MB in the beginning and 1.3GB in the end (delta: -786.6MB). Peak memory consumption was 457.1MB. Max. memory is 16.0GB. [2023-11-30 02:36:41,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 364.9MB. Free memory is still 313.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 267.15ms. Allocated memory is still 364.9MB. Free memory was 300.4MB in the beginning and 279.8MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 69.68ms. Allocated memory was 364.9MB in the beginning and 595.6MB in the end (delta: 230.7MB). Free memory was 279.8MB in the beginning and 560.3MB in the end (delta: -280.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.78ms. Allocated memory is still 595.6MB. Free memory was 560.3MB in the beginning and 558.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 377.38ms. Allocated memory is still 595.6MB. Free memory was 558.5MB in the beginning and 534.7MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * TraceAbstraction took 5842.13ms. Allocated memory was 595.6MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 534.1MB in the beginning and 1.3GB in the end (delta: -786.6MB). Peak memory consumption was 457.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: 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, 340 locations, 14 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: 5.7s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 247 mSDsluCounter, 116 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 795 IncrementalHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 113 mSDtfsCounter, 795 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4511occurred in iteration=11, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1219 NumberOfCodeBlocks, 1219 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1206 ConstructedInterpolants, 0 QuantifiedInterpolants, 3689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 02:36:41,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...