./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sigma.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sigma.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:45:08,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:45:08,669 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 16:45:08,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:45:08,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:45:08,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:45:08,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:45:08,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:45:08,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:45:08,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:45:08,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:45:08,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:45:08,714 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:45:08,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:45:08,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:45:08,717 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 16:45:08,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:45:08,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 16:45:08,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:45:08,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:45:08,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:45:08,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:45:08,722 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 16:45:08,722 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:45:08,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 16:45:08,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 16:45:08,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:45:08,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:45:08,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:45:08,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:45:08,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:45:08,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:45:08,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:45:08,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:45:08,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:45:08,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:45:08,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:45:08,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:45:08,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:45:08,727 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:45:08,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:45:08,727 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 [2024-10-11 16:45:08,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:45:08,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:45:08,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:45:08,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:45:09,000 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:45:09,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sigma.i [2024-10-11 16:45:10,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:45:10,724 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:45:10,724 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sigma.i [2024-10-11 16:45:10,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/045e5f731/1af03753ed404498b8a3cd372dc8cabc/FLAG085bc13f3 [2024-10-11 16:45:11,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/045e5f731/1af03753ed404498b8a3cd372dc8cabc [2024-10-11 16:45:11,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:45:11,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:45:11,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:45:11,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:45:11,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:45:11,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d50df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11, skipping insertion in model container [2024-10-11 16:45:11,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:45:11,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:45:11,660 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:45:11,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:45:11,801 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:45:11,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11 WrapperNode [2024-10-11 16:45:11,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:45:11,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:45:11,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:45:11,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:45:11,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,867 INFO L138 Inliner]: procedures = 320, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 130 [2024-10-11 16:45:11,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:45:11,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:45:11,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:45:11,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:45:11,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:45:11,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:45:11,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:45:11,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:45:11,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (1/1) ... [2024-10-11 16:45:11,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:45:11,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:45:11,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 16:45:11,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 16:45:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 16:45:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 16:45:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 16:45:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:45:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 16:45:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-10-11 16:45:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-10-11 16:45:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:45:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:45:12,007 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 16:45:12,156 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:45:12,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:45:12,470 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 16:45:12,472 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:45:12,496 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:45:12,497 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-11 16:45:12,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:45:12 BoogieIcfgContainer [2024-10-11 16:45:12,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:45:12,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:45:12,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:45:12,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:45:12,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:45:11" (1/3) ... [2024-10-11 16:45:12,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab6b64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:45:12, skipping insertion in model container [2024-10-11 16:45:12,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:45:11" (2/3) ... [2024-10-11 16:45:12,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab6b64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:45:12, skipping insertion in model container [2024-10-11 16:45:12,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:45:12" (3/3) ... [2024-10-11 16:45:12,507 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma.i [2024-10-11 16:45:12,523 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:45:12,524 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-11 16:45:12,524 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 16:45:12,599 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-11 16:45:12,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 168 places, 174 transitions, 355 flow [2024-10-11 16:45:12,732 INFO L124 PetriNetUnfolderBase]: 15/258 cut-off events. [2024-10-11 16:45:12,732 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 16:45:12,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 258 events. 15/258 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 582 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 143. Up to 4 conditions per place. [2024-10-11 16:45:12,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 168 places, 174 transitions, 355 flow [2024-10-11 16:45:12,748 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 168 places, 174 transitions, 355 flow [2024-10-11 16:45:12,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:45:12,771 INFO L333 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, 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;@536c41b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:45:12,771 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-10-11 16:45:12,778 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 16:45:12,779 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-11 16:45:12,779 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:45:12,779 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:12,780 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:12,780 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:12,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:12,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1200687547, now seen corresponding path program 1 times [2024-10-11 16:45:12,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:12,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764057350] [2024-10-11 16:45:12,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:13,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:13,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764057350] [2024-10-11 16:45:13,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764057350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:45:13,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:45:13,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:45:13,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299547005] [2024-10-11 16:45:13,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:45:13,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:45:13,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:13,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:45:13,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:45:13,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 174 [2024-10-11 16:45:13,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 174 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:13,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 174 [2024-10-11 16:45:13,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:13,175 INFO L124 PetriNetUnfolderBase]: 3/232 cut-off events. [2024-10-11 16:45:13,175 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-11 16:45:13,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 232 events. 3/232 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 460 event pairs, 0 based on Foata normal form. 6/211 useless extension candidates. Maximal degree in co-relation 140. Up to 22 conditions per place. [2024-10-11 16:45:13,177 INFO L140 encePairwiseOnDemand]: 160/174 looper letters, 13 selfloop transitions, 1 changer transitions 2/159 dead transitions. [2024-10-11 16:45:13,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 353 flow [2024-10-11 16:45:13,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:45:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:45:13,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2024-10-11 16:45:13,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8908045977011494 [2024-10-11 16:45:13,228 INFO L175 Difference]: Start difference. First operand has 168 places, 174 transitions, 355 flow. Second operand 3 states and 465 transitions. [2024-10-11 16:45:13,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 353 flow [2024-10-11 16:45:13,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 353 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 16:45:13,239 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 323 flow [2024-10-11 16:45:13,242 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=162, PETRI_TRANSITIONS=157} [2024-10-11 16:45:13,248 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -6 predicate places. [2024-10-11 16:45:13,248 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 323 flow [2024-10-11 16:45:13,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:13,249 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:13,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:45:13,250 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:13,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:13,251 INFO L85 PathProgramCache]: Analyzing trace with hash -369692805, now seen corresponding path program 1 times [2024-10-11 16:45:13,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:13,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201660687] [2024-10-11 16:45:13,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:13,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:13,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:13,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201660687] [2024-10-11 16:45:13,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201660687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:45:13,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:45:13,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:45:13,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189045784] [2024-10-11 16:45:13,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:45:13,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:45:13,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:13,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:45:13,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:45:13,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 174 [2024-10-11 16:45:13,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 157 transitions, 323 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:13,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 174 [2024-10-11 16:45:13,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:13,443 INFO L124 PetriNetUnfolderBase]: 5/265 cut-off events. [2024-10-11 16:45:13,444 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-11 16:45:13,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 265 events. 5/265 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 579 event pairs, 2 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 261. Up to 16 conditions per place. [2024-10-11 16:45:13,447 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 9 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-10-11 16:45:13,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 343 flow [2024-10-11 16:45:13,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:45:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:45:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 16:45:13,451 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 16:45:13,451 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 323 flow. Second operand 3 states and 474 transitions. [2024-10-11 16:45:13,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 343 flow [2024-10-11 16:45:13,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 156 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 16:45:13,455 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 324 flow [2024-10-11 16:45:13,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-10-11 16:45:13,457 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -8 predicate places. [2024-10-11 16:45:13,457 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 324 flow [2024-10-11 16:45:13,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:13,458 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:13,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 16:45:13,459 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:13,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:13,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1494692810, now seen corresponding path program 1 times [2024-10-11 16:45:13,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:13,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045766424] [2024-10-11 16:45:13,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:13,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:13,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:13,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045766424] [2024-10-11 16:45:13,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045766424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:45:13,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:45:13,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:45:13,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847509589] [2024-10-11 16:45:13,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:45:13,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:45:13,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:13,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:45:13,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:45:13,609 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 174 [2024-10-11 16:45:13,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:13,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 174 [2024-10-11 16:45:13,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:13,678 INFO L124 PetriNetUnfolderBase]: 7/261 cut-off events. [2024-10-11 16:45:13,679 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-10-11 16:45:13,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 261 events. 7/261 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 611 event pairs, 4 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 262. Up to 18 conditions per place. [2024-10-11 16:45:13,683 INFO L140 encePairwiseOnDemand]: 170/174 looper letters, 8 selfloop transitions, 1 changer transitions 0/153 dead transitions. [2024-10-11 16:45:13,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 153 transitions, 336 flow [2024-10-11 16:45:13,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:45:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:45:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-11 16:45:13,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-11 16:45:13,689 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 324 flow. Second operand 3 states and 474 transitions. [2024-10-11 16:45:13,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 153 transitions, 336 flow [2024-10-11 16:45:13,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 153 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:45:13,693 INFO L231 Difference]: Finished difference. Result has 157 places, 153 transitions, 316 flow [2024-10-11 16:45:13,695 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=157, PETRI_TRANSITIONS=153} [2024-10-11 16:45:13,695 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -11 predicate places. [2024-10-11 16:45:13,696 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 153 transitions, 316 flow [2024-10-11 16:45:13,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:13,696 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:13,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 16:45:13,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:13,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:13,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1621985220, now seen corresponding path program 1 times [2024-10-11 16:45:13,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:13,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756921541] [2024-10-11 16:45:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:13,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:13,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:13,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756921541] [2024-10-11 16:45:13,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756921541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:45:13,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:45:13,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:45:13,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570564271] [2024-10-11 16:45:13,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:45:13,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:45:13,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:13,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:45:13,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:45:13,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 174 [2024-10-11 16:45:13,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 153 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:13,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 174 [2024-10-11 16:45:13,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:13,847 INFO L124 PetriNetUnfolderBase]: 8/345 cut-off events. [2024-10-11 16:45:13,847 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-10-11 16:45:13,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 345 events. 8/345 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1024 event pairs, 2 based on Foata normal form. 1/315 useless extension candidates. Maximal degree in co-relation 350. Up to 18 conditions per place. [2024-10-11 16:45:13,849 INFO L140 encePairwiseOnDemand]: 168/174 looper letters, 7 selfloop transitions, 4 changer transitions 0/155 dead transitions. [2024-10-11 16:45:13,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 155 transitions, 342 flow [2024-10-11 16:45:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:45:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:45:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 484 transitions. [2024-10-11 16:45:13,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9272030651340997 [2024-10-11 16:45:13,852 INFO L175 Difference]: Start difference. First operand has 157 places, 153 transitions, 316 flow. Second operand 3 states and 484 transitions. [2024-10-11 16:45:13,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 155 transitions, 342 flow [2024-10-11 16:45:13,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 155 transitions, 341 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 16:45:13,857 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 343 flow [2024-10-11 16:45:13,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2024-10-11 16:45:13,858 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -9 predicate places. [2024-10-11 16:45:13,858 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 343 flow [2024-10-11 16:45:13,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:13,859 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:13,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 16:45:13,860 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:13,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:13,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1088293819, now seen corresponding path program 1 times [2024-10-11 16:45:13,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:13,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415517877] [2024-10-11 16:45:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:13,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:13,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:13,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415517877] [2024-10-11 16:45:13,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415517877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:45:13,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:45:13,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:45:13,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975163574] [2024-10-11 16:45:13,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:45:13,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:45:13,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:13,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:45:13,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:45:13,973 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 174 [2024-10-11 16:45:13,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:13,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:13,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 174 [2024-10-11 16:45:13,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:14,044 INFO L124 PetriNetUnfolderBase]: 9/396 cut-off events. [2024-10-11 16:45:14,045 INFO L125 PetriNetUnfolderBase]: For 32/36 co-relation queries the response was YES. [2024-10-11 16:45:14,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 396 events. 9/396 cut-off events. For 32/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1382 event pairs, 2 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 449. Up to 29 conditions per place. [2024-10-11 16:45:14,048 INFO L140 encePairwiseOnDemand]: 169/174 looper letters, 12 selfloop transitions, 4 changer transitions 0/158 dead transitions. [2024-10-11 16:45:14,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 158 transitions, 385 flow [2024-10-11 16:45:14,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:45:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:45:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2024-10-11 16:45:14,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9195402298850575 [2024-10-11 16:45:14,051 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 343 flow. Second operand 3 states and 480 transitions. [2024-10-11 16:45:14,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 158 transitions, 385 flow [2024-10-11 16:45:14,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 158 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:45:14,055 INFO L231 Difference]: Finished difference. Result has 161 places, 158 transitions, 367 flow [2024-10-11 16:45:14,055 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=367, PETRI_PLACES=161, PETRI_TRANSITIONS=158} [2024-10-11 16:45:14,056 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -7 predicate places. [2024-10-11 16:45:14,057 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 158 transitions, 367 flow [2024-10-11 16:45:14,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:14,058 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:14,058 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:14,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 16:45:14,058 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:14,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:14,059 INFO L85 PathProgramCache]: Analyzing trace with hash 823068658, now seen corresponding path program 1 times [2024-10-11 16:45:14,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:14,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349858470] [2024-10-11 16:45:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:14,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:14,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:14,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349858470] [2024-10-11 16:45:14,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349858470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:45:14,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:45:14,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:45:14,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557849875] [2024-10-11 16:45:14,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:45:14,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:45:14,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:14,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:45:14,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:45:14,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 174 [2024-10-11 16:45:14,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 158 transitions, 367 flow. Second operand has 4 states, 4 states have (on average 152.5) internal successors, (610), 4 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) [2024-10-11 16:45:14,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:14,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 174 [2024-10-11 16:45:14,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:14,386 INFO L124 PetriNetUnfolderBase]: 5/284 cut-off events. [2024-10-11 16:45:14,386 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-11 16:45:14,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 284 events. 5/284 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 795 event pairs, 0 based on Foata normal form. 2/270 useless extension candidates. Maximal degree in co-relation 329. Up to 15 conditions per place. [2024-10-11 16:45:14,388 INFO L140 encePairwiseOnDemand]: 167/174 looper letters, 8 selfloop transitions, 5 changer transitions 16/158 dead transitions. [2024-10-11 16:45:14,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 158 transitions, 397 flow [2024-10-11 16:45:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 16:45:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 16:45:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 621 transitions. [2024-10-11 16:45:14,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8922413793103449 [2024-10-11 16:45:14,390 INFO L175 Difference]: Start difference. First operand has 161 places, 158 transitions, 367 flow. Second operand 4 states and 621 transitions. [2024-10-11 16:45:14,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 158 transitions, 397 flow [2024-10-11 16:45:14,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 389 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:45:14,394 INFO L231 Difference]: Finished difference. Result has 163 places, 142 transitions, 345 flow [2024-10-11 16:45:14,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=345, PETRI_PLACES=163, PETRI_TRANSITIONS=142} [2024-10-11 16:45:14,395 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -5 predicate places. [2024-10-11 16:45:14,395 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 142 transitions, 345 flow [2024-10-11 16:45:14,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 152.5) internal successors, (610), 4 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) [2024-10-11 16:45:14,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:14,396 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:14,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 16:45:14,396 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:14,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:14,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1860485351, now seen corresponding path program 1 times [2024-10-11 16:45:14,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:14,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158050271] [2024-10-11 16:45:14,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:14,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:14,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158050271] [2024-10-11 16:45:14,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158050271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:45:14,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:45:14,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:45:14,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240440903] [2024-10-11 16:45:14,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:45:14,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 16:45:14,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:14,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 16:45:14,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 16:45:15,094 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 174 [2024-10-11 16:45:15,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 142 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:15,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:15,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 174 [2024-10-11 16:45:15,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:15,303 INFO L124 PetriNetUnfolderBase]: 124/612 cut-off events. [2024-10-11 16:45:15,303 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-10-11 16:45:15,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1008 conditions, 612 events. 124/612 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3068 event pairs, 42 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 973. Up to 253 conditions per place. [2024-10-11 16:45:15,307 INFO L140 encePairwiseOnDemand]: 163/174 looper letters, 32 selfloop transitions, 22 changer transitions 0/163 dead transitions. [2024-10-11 16:45:15,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 163 transitions, 495 flow [2024-10-11 16:45:15,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 16:45:15,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 16:45:15,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 847 transitions. [2024-10-11 16:45:15,310 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8113026819923371 [2024-10-11 16:45:15,310 INFO L175 Difference]: Start difference. First operand has 163 places, 142 transitions, 345 flow. Second operand 6 states and 847 transitions. [2024-10-11 16:45:15,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 163 transitions, 495 flow [2024-10-11 16:45:15,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 163 transitions, 485 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 16:45:15,314 INFO L231 Difference]: Finished difference. Result has 154 places, 163 transitions, 485 flow [2024-10-11 16:45:15,314 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=485, PETRI_PLACES=154, PETRI_TRANSITIONS=163} [2024-10-11 16:45:15,315 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -14 predicate places. [2024-10-11 16:45:15,315 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 163 transitions, 485 flow [2024-10-11 16:45:15,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:15,316 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:15,316 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:15,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 16:45:15,317 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:15,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:15,318 INFO L85 PathProgramCache]: Analyzing trace with hash -854835544, now seen corresponding path program 1 times [2024-10-11 16:45:15,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:15,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287991357] [2024-10-11 16:45:15,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:15,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:15,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:15,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287991357] [2024-10-11 16:45:15,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287991357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:45:15,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:45:15,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:45:15,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956210478] [2024-10-11 16:45:15,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:45:15,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 16:45:15,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:15,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 16:45:15,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 16:45:15,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 174 [2024-10-11 16:45:15,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 163 transitions, 485 flow. Second operand has 6 states, 6 states have (on average 142.5) internal successors, (855), 6 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:15,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:15,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 174 [2024-10-11 16:45:15,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:16,054 INFO L124 PetriNetUnfolderBase]: 226/882 cut-off events. [2024-10-11 16:45:16,055 INFO L125 PetriNetUnfolderBase]: For 277/324 co-relation queries the response was YES. [2024-10-11 16:45:16,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2050 conditions, 882 events. 226/882 cut-off events. For 277/324 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5106 event pairs, 27 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 2013. Up to 404 conditions per place. [2024-10-11 16:45:16,063 INFO L140 encePairwiseOnDemand]: 158/174 looper letters, 40 selfloop transitions, 52 changer transitions 0/210 dead transitions. [2024-10-11 16:45:16,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 210 transitions, 833 flow [2024-10-11 16:45:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 16:45:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 16:45:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 908 transitions. [2024-10-11 16:45:16,066 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8697318007662835 [2024-10-11 16:45:16,066 INFO L175 Difference]: Start difference. First operand has 154 places, 163 transitions, 485 flow. Second operand 6 states and 908 transitions. [2024-10-11 16:45:16,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 210 transitions, 833 flow [2024-10-11 16:45:16,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 210 transitions, 833 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 16:45:16,078 INFO L231 Difference]: Finished difference. Result has 164 places, 210 transitions, 899 flow [2024-10-11 16:45:16,079 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=899, PETRI_PLACES=164, PETRI_TRANSITIONS=210} [2024-10-11 16:45:16,081 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -4 predicate places. [2024-10-11 16:45:16,081 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 210 transitions, 899 flow [2024-10-11 16:45:16,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 142.5) internal successors, (855), 6 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:16,082 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:16,083 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:16,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 16:45:16,083 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:16,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:16,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1703227862, now seen corresponding path program 1 times [2024-10-11 16:45:16,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:16,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708750951] [2024-10-11 16:45:16,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:16,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:16,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:45:16,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708750951] [2024-10-11 16:45:16,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708750951] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 16:45:16,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453769748] [2024-10-11 16:45:16,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:16,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 16:45:16,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:45:16,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 16:45:16,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 16:45:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:45:16,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 16:45:16,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 16:45:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:16,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 16:45:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:45:16,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453769748] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 16:45:16,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 16:45:16,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-11 16:45:16,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701484904] [2024-10-11 16:45:16,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 16:45:16,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 16:45:16,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:45:16,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 16:45:16,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-11 16:45:17,218 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 174 [2024-10-11 16:45:17,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 210 transitions, 899 flow. Second operand has 13 states, 13 states have (on average 148.23076923076923) internal successors, (1927), 13 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:17,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:45:17,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 174 [2024-10-11 16:45:17,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:45:17,344 INFO L124 PetriNetUnfolderBase]: 163/692 cut-off events. [2024-10-11 16:45:17,344 INFO L125 PetriNetUnfolderBase]: For 532/583 co-relation queries the response was YES. [2024-10-11 16:45:17,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1846 conditions, 692 events. 163/692 cut-off events. For 532/583 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3804 event pairs, 7 based on Foata normal form. 1/688 useless extension candidates. Maximal degree in co-relation 1803. Up to 144 conditions per place. [2024-10-11 16:45:17,350 INFO L140 encePairwiseOnDemand]: 168/174 looper letters, 5 selfloop transitions, 5 changer transitions 0/158 dead transitions. [2024-10-11 16:45:17,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 158 transitions, 734 flow [2024-10-11 16:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 16:45:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-11 16:45:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1033 transitions. [2024-10-11 16:45:17,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8481116584564861 [2024-10-11 16:45:17,353 INFO L175 Difference]: Start difference. First operand has 164 places, 210 transitions, 899 flow. Second operand 7 states and 1033 transitions. [2024-10-11 16:45:17,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 158 transitions, 734 flow [2024-10-11 16:45:17,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 158 transitions, 714 flow, removed 9 selfloop flow, removed 1 redundant places. [2024-10-11 16:45:17,365 INFO L231 Difference]: Finished difference. Result has 134 places, 157 transitions, 702 flow [2024-10-11 16:45:17,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=702, PETRI_PLACES=134, PETRI_TRANSITIONS=157} [2024-10-11 16:45:17,366 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -34 predicate places. [2024-10-11 16:45:17,369 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 157 transitions, 702 flow [2024-10-11 16:45:17,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 148.23076923076923) internal successors, (1927), 13 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:45:17,370 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:45:17,371 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:17,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 16:45:17,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 16:45:17,575 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 16:45:17,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:45:17,575 INFO L85 PathProgramCache]: Analyzing trace with hash -377879742, now seen corresponding path program 1 times [2024-10-11 16:45:17,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:45:17,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469616442] [2024-10-11 16:45:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:45:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:45:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 16:45:17,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 16:45:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 16:45:17,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 16:45:17,660 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 16:45:17,661 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location threadErr1ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2024-10-11 16:45:17,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2024-10-11 16:45:17,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2024-10-11 16:45:17,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2024-10-11 16:45:17,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2024-10-11 16:45:17,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2024-10-11 16:45:17,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 21 remaining) [2024-10-11 16:45:17,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2024-10-11 16:45:17,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2024-10-11 16:45:17,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2024-10-11 16:45:17,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2024-10-11 16:45:17,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2024-10-11 16:45:17,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 16:45:17,666 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:45:17,734 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 16:45:17,734 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 16:45:17,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:45:17 BasicIcfg [2024-10-11 16:45:17,742 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 16:45:17,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 16:45:17,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 16:45:17,743 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 16:45:17,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:45:12" (3/4) ... [2024-10-11 16:45:17,745 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 16:45:17,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 16:45:17,746 INFO L158 Benchmark]: Toolchain (without parser) took 6700.68ms. Allocated memory was 140.5MB in the beginning and 251.7MB in the end (delta: 111.1MB). Free memory was 68.6MB in the beginning and 93.4MB in the end (delta: -24.8MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2024-10-11 16:45:17,747 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 140.5MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:45:17,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.58ms. Allocated memory was 140.5MB in the beginning and 209.7MB in the end (delta: 69.2MB). Free memory was 68.3MB in the beginning and 154.4MB in the end (delta: -86.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-10-11 16:45:17,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.10ms. Allocated memory is still 209.7MB. Free memory was 154.4MB in the beginning and 152.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:45:17,747 INFO L158 Benchmark]: Boogie Preprocessor took 36.64ms. Allocated memory is still 209.7MB. Free memory was 152.3MB in the beginning and 150.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:45:17,748 INFO L158 Benchmark]: RCFGBuilder took 589.18ms. Allocated memory is still 209.7MB. Free memory was 150.2MB in the beginning and 129.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 16:45:17,748 INFO L158 Benchmark]: TraceAbstraction took 5241.64ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 128.2MB in the beginning and 93.4MB in the end (delta: 34.8MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2024-10-11 16:45:17,748 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 251.7MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:45:17,751 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 140.5MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.58ms. Allocated memory was 140.5MB in the beginning and 209.7MB in the end (delta: 69.2MB). Free memory was 68.3MB in the beginning and 154.4MB in the end (delta: -86.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.10ms. Allocated memory is still 209.7MB. Free memory was 154.4MB in the beginning and 152.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.64ms. Allocated memory is still 209.7MB. Free memory was 152.3MB in the beginning and 150.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.18ms. Allocated memory is still 209.7MB. Free memory was 150.2MB in the beginning and 129.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5241.64ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 128.2MB in the beginning and 93.4MB in the end (delta: 34.8MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 251.7MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1117]: Data race detected Data race detected The following path leads to a data race: [L1112] 0 const int SIGMA = 16; VAL [SIGMA=16] [L1113] 0 int *array; VAL [SIGMA=16, array={0:0}] [L1114] 0 int array_index=-1; VAL [SIGMA=16, array={0:0}, array_index=-1] [L1122] 0 int tid, sum; VAL [SIGMA=16, array={0:0}, array_index=-1] [L1123] 0 pthread_t *t; VAL [SIGMA=16, array={0:0}, array_index=-1] [L1124] EXPR 0 sizeof(pthread_t) * SIGMA VAL [SIGMA=16, array={0:0}, array_index=-1] [L1124] 0 t = (pthread_t *)malloc(sizeof(pthread_t) * SIGMA) VAL [SIGMA=16, array={0:0}, array_index=-1, t={10:0}] [L1125] EXPR 0 sizeof(int) * SIGMA VAL [SIGMA=16, array={0:0}, array_index=-1, t={10:0}] [L1125] 0 array = (int *)malloc(sizeof(int) * SIGMA) VAL [SIGMA=16, array={9:0}, array_index=-1, t={10:0}] [L1126] CALL 0 assume_abort_if_not(t) [L11] COND FALSE 0 !(!cond) VAL [SIGMA=16, \old(cond)=10, array={9:0}, array_index=-1, cond=10] [L1126] RET 0 assume_abort_if_not(t) [L1127] 0 assume_abort_if_not(array) [L1127] CALL 0 assume_abort_if_not(array) [L11] COND FALSE 0 !(!cond) VAL [SIGMA=16, \old(cond)=9, array={9:0}, array_index=-1, cond=9] [L1127] RET 0 assume_abort_if_not(array) [L1128] 0 tid=0 VAL [SIGMA=16, array={9:0}, array_index=-1, t={10:0}, tid=0] [L1128] 0 tid