./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-race-challenges/thread-join-counter-inner-race-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 57356a47c1e9533c32a5036af0336a5d2dbdf5bea55ed5f64606bf9ec7afd35e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 14:00:43,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 14:00:43,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 14:00:43,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 14:00:43,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 14:00:43,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 14:00:43,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 14:00:43,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 14:00:43,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 14:00:43,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 14:00:43,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 14:00:43,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 14:00:43,542 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 14:00:43,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 14:00:43,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 14:00:43,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 14:00:43,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 14:00:43,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 14:00:43,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 14:00:43,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 14:00:43,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 14:00:43,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 14:00:43,550 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 14:00:43,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 14:00:43,554 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 14:00:43,554 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 14:00:43,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 14:00:43,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 14:00:43,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 14:00:43,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 14:00:43,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 14:00:43,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:00:43,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 14:00:43,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 14:00:43,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 14:00:43,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 14:00:43,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 14:00:43,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 14:00:43,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 14:00:43,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 14:00:43,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 14:00:43,561 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57356a47c1e9533c32a5036af0336a5d2dbdf5bea55ed5f64606bf9ec7afd35e [2024-11-20 14:00:43,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 14:00:43,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 14:00:43,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 14:00:43,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 14:00:43,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 14:00:43,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i [2024-11-20 14:00:45,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 14:00:45,602 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 14:00:45,603 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i [2024-11-20 14:00:45,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97f1d2d2/9f0b75629be04b68a4b976955c3d4e44/FLAGfd1b5ec9b [2024-11-20 14:00:45,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97f1d2d2/9f0b75629be04b68a4b976955c3d4e44 [2024-11-20 14:00:45,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 14:00:45,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 14:00:45,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 14:00:45,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 14:00:45,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 14:00:45,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:00:45" (1/1) ... [2024-11-20 14:00:45,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6272dec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:45, skipping insertion in model container [2024-11-20 14:00:45,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:00:45" (1/1) ... [2024-11-20 14:00:46,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:00:46,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:00:46,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 14:00:46,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:00:46,472 INFO L204 MainTranslator]: Completed translation [2024-11-20 14:00:46,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46 WrapperNode [2024-11-20 14:00:46,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 14:00:46,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 14:00:46,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 14:00:46,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 14:00:46,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,521 INFO L138 Inliner]: procedures = 159, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 218 [2024-11-20 14:00:46,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 14:00:46,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 14:00:46,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 14:00:46,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 14:00:46,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 14:00:46,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 14:00:46,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 14:00:46,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 14:00:46,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (1/1) ... [2024-11-20 14:00:46,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:00:46,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 14:00:46,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 14:00:46,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 14:00:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 14:00:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 14:00:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 14:00:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-20 14:00:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-20 14:00:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 14:00:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 14:00:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 14:00:46,661 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 14:00:46,846 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 14:00:46,849 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 14:00:47,257 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 14:00:47,258 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 14:00:47,347 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 14:00:47,347 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 14:00:47,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:00:47 BoogieIcfgContainer [2024-11-20 14:00:47,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 14:00:47,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 14:00:47,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 14:00:47,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 14:00:47,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:00:45" (1/3) ... [2024-11-20 14:00:47,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7ad687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:00:47, skipping insertion in model container [2024-11-20 14:00:47,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:00:46" (2/3) ... [2024-11-20 14:00:47,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7ad687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:00:47, skipping insertion in model container [2024-11-20 14:00:47,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:00:47" (3/3) ... [2024-11-20 14:00:47,366 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-join-counter-inner-race-2.i [2024-11-20 14:00:47,383 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 14:00:47,383 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-20 14:00:47,383 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 14:00:47,457 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 14:00:47,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 278 transitions, 560 flow [2024-11-20 14:00:47,643 INFO L124 PetriNetUnfolderBase]: 13/327 cut-off events. [2024-11-20 14:00:47,643 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 14:00:47,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 327 events. 13/327 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 394 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 208. Up to 4 conditions per place. [2024-11-20 14:00:47,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 273 places, 278 transitions, 560 flow [2024-11-20 14:00:47,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 278 transitions, 560 flow [2024-11-20 14:00:47,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 14:00:47,695 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;@1d13aec0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 14:00:47,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-20 14:00:47,739 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 14:00:47,739 INFO L124 PetriNetUnfolderBase]: 2/172 cut-off events. [2024-11-20 14:00:47,740 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 14:00:47,740 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:00:47,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:00:47,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-20 14:00:47,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:00:47,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1541019532, now seen corresponding path program 1 times [2024-11-20 14:00:47,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:00:47,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517404555] [2024-11-20 14:00:47,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:00:47,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:00:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:00:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:00:48,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:00:48,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517404555] [2024-11-20 14:00:48,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517404555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:00:48,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:00:48,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:00:48,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751952519] [2024-11-20 14:00:48,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:00:48,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:00:48,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:00:48,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:00:48,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:00:48,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 278 [2024-11-20 14:00:48,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 278 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:48,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:00:48,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 278 [2024-11-20 14:00:48,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:00:48,927 INFO L124 PetriNetUnfolderBase]: 424/1923 cut-off events. [2024-11-20 14:00:48,927 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 14:00:48,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2761 conditions, 1923 events. 424/1923 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 12824 event pairs, 76 based on Foata normal form. 45/1776 useless extension candidates. Maximal degree in co-relation 2535. Up to 510 conditions per place. [2024-11-20 14:00:48,949 INFO L140 encePairwiseOnDemand]: 261/278 looper letters, 51 selfloop transitions, 8 changer transitions 1/297 dead transitions. [2024-11-20 14:00:48,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 297 transitions, 716 flow [2024-11-20 14:00:48,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:00:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:00:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2024-11-20 14:00:48,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9424460431654677 [2024-11-20 14:00:48,973 INFO L175 Difference]: Start difference. First operand has 273 places, 278 transitions, 560 flow. Second operand 3 states and 786 transitions. [2024-11-20 14:00:48,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 297 transitions, 716 flow [2024-11-20 14:00:48,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 297 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 14:00:48,987 INFO L231 Difference]: Finished difference. Result has 275 places, 276 transitions, 604 flow [2024-11-20 14:00:48,991 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=275, PETRI_TRANSITIONS=276} [2024-11-20 14:00:48,995 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, 2 predicate places. [2024-11-20 14:00:48,998 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 276 transitions, 604 flow [2024-11-20 14:00:48,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:48,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:00:48,999 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:00:49,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 14:00:49,000 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-20 14:00:49,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:00:49,001 INFO L85 PathProgramCache]: Analyzing trace with hash -461156608, now seen corresponding path program 1 times [2024-11-20 14:00:49,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:00:49,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770522620] [2024-11-20 14:00:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:00:49,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:00:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:00:49,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:00:49,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:00:49,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770522620] [2024-11-20 14:00:49,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770522620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:00:49,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:00:49,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:00:49,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208654432] [2024-11-20 14:00:49,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:00:49,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:00:49,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:00:49,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:00:49,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:00:49,261 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 278 [2024-11-20 14:00:49,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 276 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:49,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:00:49,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 278 [2024-11-20 14:00:49,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:00:49,712 INFO L124 PetriNetUnfolderBase]: 465/2060 cut-off events. [2024-11-20 14:00:49,713 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-11-20 14:00:49,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3132 conditions, 2060 events. 465/2060 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 14207 event pairs, 277 based on Foata normal form. 0/1850 useless extension candidates. Maximal degree in co-relation 2899. Up to 740 conditions per place. [2024-11-20 14:00:49,723 INFO L140 encePairwiseOnDemand]: 273/278 looper letters, 38 selfloop transitions, 4 changer transitions 0/289 dead transitions. [2024-11-20 14:00:49,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 289 transitions, 714 flow [2024-11-20 14:00:49,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:00:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:00:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2024-11-20 14:00:49,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9292565947242206 [2024-11-20 14:00:49,726 INFO L175 Difference]: Start difference. First operand has 275 places, 276 transitions, 604 flow. Second operand 3 states and 775 transitions. [2024-11-20 14:00:49,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 289 transitions, 714 flow [2024-11-20 14:00:49,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 289 transitions, 698 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 14:00:49,736 INFO L231 Difference]: Finished difference. Result has 276 places, 279 transitions, 618 flow [2024-11-20 14:00:49,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=276, PETRI_TRANSITIONS=279} [2024-11-20 14:00:49,737 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, 3 predicate places. [2024-11-20 14:00:49,737 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 279 transitions, 618 flow [2024-11-20 14:00:49,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:49,738 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:00:49,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:00:49,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 14:00:49,739 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-20 14:00:49,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:00:49,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1843407689, now seen corresponding path program 1 times [2024-11-20 14:00:49,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:00:49,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100443503] [2024-11-20 14:00:49,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:00:49,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:00:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:00:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:00:49,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:00:49,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100443503] [2024-11-20 14:00:49,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100443503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:00:49,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:00:49,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:00:49,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209055512] [2024-11-20 14:00:49,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:00:49,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:00:49,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:00:49,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:00:49,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:00:49,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 278 [2024-11-20 14:00:49,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 279 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:49,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:00:49,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 278 [2024-11-20 14:00:49,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:00:50,336 INFO L124 PetriNetUnfolderBase]: 465/2114 cut-off events. [2024-11-20 14:00:50,336 INFO L125 PetriNetUnfolderBase]: For 149/152 co-relation queries the response was YES. [2024-11-20 14:00:50,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3358 conditions, 2114 events. 465/2114 cut-off events. For 149/152 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 14633 event pairs, 270 based on Foata normal form. 0/1903 useless extension candidates. Maximal degree in co-relation 3123. Up to 804 conditions per place. [2024-11-20 14:00:50,349 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 44 selfloop transitions, 7 changer transitions 0/295 dead transitions. [2024-11-20 14:00:50,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 295 transitions, 760 flow [2024-11-20 14:00:50,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:00:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:00:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2024-11-20 14:00:50,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9256594724220624 [2024-11-20 14:00:50,353 INFO L175 Difference]: Start difference. First operand has 276 places, 279 transitions, 618 flow. Second operand 3 states and 772 transitions. [2024-11-20 14:00:50,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 295 transitions, 760 flow [2024-11-20 14:00:50,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 295 transitions, 752 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 14:00:50,362 INFO L231 Difference]: Finished difference. Result has 278 places, 285 transitions, 672 flow [2024-11-20 14:00:50,363 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=672, PETRI_PLACES=278, PETRI_TRANSITIONS=285} [2024-11-20 14:00:50,364 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, 5 predicate places. [2024-11-20 14:00:50,364 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 285 transitions, 672 flow [2024-11-20 14:00:50,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:50,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:00:50,366 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:00:50,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 14:00:50,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-20 14:00:50,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:00:50,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1833171140, now seen corresponding path program 1 times [2024-11-20 14:00:50,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:00:50,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350966488] [2024-11-20 14:00:50,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:00:50,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:00:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 14:00:50,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 14:00:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 14:00:50,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 14:00:50,550 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 14:00:50,551 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2024-11-20 14:00:50,556 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-11-20 14:00:50,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-11-20 14:00:50,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-11-20 14:00:50,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2024-11-20 14:00:50,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-11-20 14:00:50,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-11-20 14:00:50,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-11-20 14:00:50,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-11-20 14:00:50,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-11-20 14:00:50,562 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-11-20 14:00:50,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-11-20 14:00:50,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-11-20 14:00:50,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-11-20 14:00:50,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-11-20 14:00:50,563 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-11-20 14:00:50,564 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-11-20 14:00:50,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 14:00:50,564 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 14:00:50,568 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-20 14:00:50,569 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-20 14:00:50,615 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 14:00:50,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 339 transitions, 688 flow [2024-11-20 14:00:50,682 INFO L124 PetriNetUnfolderBase]: 20/445 cut-off events. [2024-11-20 14:00:50,683 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 14:00:50,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 445 events. 20/445 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 928 event pairs, 0 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 328. Up to 6 conditions per place. [2024-11-20 14:00:50,686 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 339 transitions, 688 flow [2024-11-20 14:00:50,692 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 334 places, 339 transitions, 688 flow [2024-11-20 14:00:50,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 14:00:50,698 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;@1d13aec0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 14:00:50,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-20 14:00:50,731 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 14:00:50,732 INFO L124 PetriNetUnfolderBase]: 2/172 cut-off events. [2024-11-20 14:00:50,732 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 14:00:50,732 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:00:50,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:00:50,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-20 14:00:50,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:00:50,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2029342055, now seen corresponding path program 1 times [2024-11-20 14:00:50,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:00:50,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133126708] [2024-11-20 14:00:50,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:00:50,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:00:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:00:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:00:50,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:00:50,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133126708] [2024-11-20 14:00:50,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133126708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:00:50,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:00:50,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:00:50,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040834022] [2024-11-20 14:00:50,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:00:50,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:00:50,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:00:50,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:00:50,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:00:50,877 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 339 [2024-11-20 14:00:50,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 339 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:50,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:00:50,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 339 [2024-11-20 14:00:50,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:00:58,020 INFO L124 PetriNetUnfolderBase]: 18901/48777 cut-off events. [2024-11-20 14:00:58,020 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-20 14:00:58,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77579 conditions, 48777 events. 18901/48777 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 1059. Compared 570746 event pairs, 5826 based on Foata normal form. 1521/44732 useless extension candidates. Maximal degree in co-relation 74733. Up to 15941 conditions per place. [2024-11-20 14:00:58,394 INFO L140 encePairwiseOnDemand]: 311/339 looper letters, 85 selfloop transitions, 16 changer transitions 1/380 dead transitions. [2024-11-20 14:00:58,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 380 transitions, 977 flow [2024-11-20 14:00:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:00:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:00:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-11-20 14:00:58,398 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390363815142576 [2024-11-20 14:00:58,398 INFO L175 Difference]: Start difference. First operand has 334 places, 339 transitions, 688 flow. Second operand 3 states and 955 transitions. [2024-11-20 14:00:58,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 380 transitions, 977 flow [2024-11-20 14:00:58,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 380 transitions, 977 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 14:00:58,404 INFO L231 Difference]: Finished difference. Result has 338 places, 348 transitions, 814 flow [2024-11-20 14:00:58,405 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=338, PETRI_TRANSITIONS=348} [2024-11-20 14:00:58,407 INFO L277 CegarLoopForPetriNet]: 334 programPoint places, 4 predicate places. [2024-11-20 14:00:58,407 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 348 transitions, 814 flow [2024-11-20 14:00:58,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:58,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:00:58,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:00:58,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 14:00:58,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-20 14:00:58,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:00:58,409 INFO L85 PathProgramCache]: Analyzing trace with hash -487857344, now seen corresponding path program 1 times [2024-11-20 14:00:58,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:00:58,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908033564] [2024-11-20 14:00:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:00:58,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:00:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:00:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:00:58,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:00:58,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908033564] [2024-11-20 14:00:58,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908033564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:00:58,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:00:58,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:00:58,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970695088] [2024-11-20 14:00:58,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:00:58,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:00:58,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:00:58,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:00:58,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:00:58,523 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 339 [2024-11-20 14:00:58,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 348 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:00:58,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:00:58,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 339 [2024-11-20 14:00:58,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:01:00,721 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [Black: 337#true, 335#true, 62#L698-1true, 339#(= |#race~threads_alive~0| 0), 333#true, 232#L721-1true, 55#L698-6true, 342#true]) [2024-11-20 14:01:00,721 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2024-11-20 14:01:00,721 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:00,722 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-11-20 14:01:00,722 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:00,939 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [179#L698-2true, Black: 337#true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 55#L698-6true, 232#L721-1true, 342#true]) [2024-11-20 14:01:00,939 INFO L294 olderBase$Statistics]: this new event has 235 ancestors and is cut-off event [2024-11-20 14:01:00,939 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2024-11-20 14:01:00,939 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2024-11-20 14:01:00,939 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2024-11-20 14:01:01,244 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][166], [Black: 337#true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 270#L698-6true, 55#L698-6true, 342#true, 232#L721-1true]) [2024-11-20 14:01:01,245 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-11-20 14:01:01,245 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:01,245 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:01,245 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:01,609 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [317#L700-3true, Black: 337#true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-11-20 14:01:01,609 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2024-11-20 14:01:01,609 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-11-20 14:01:01,609 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2024-11-20 14:01:01,610 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-11-20 14:01:01,610 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [317#L700-3true, Black: 337#true, 335#true, 312#L729-3true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-11-20 14:01:01,610 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2024-11-20 14:01:01,610 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-11-20 14:01:01,610 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-11-20 14:01:01,610 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2024-11-20 14:01:01,800 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 335#true, 192#L693-3true, 48#L701-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-11-20 14:01:01,800 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2024-11-20 14:01:01,800 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:01,800 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:01,800 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:01,801 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 335#true, 312#L729-3true, 192#L693-3true, 48#L701-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-11-20 14:01:01,801 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2024-11-20 14:01:01,801 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:01,801 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:01,801 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:02,159 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 181#L702-1true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-11-20 14:01:02,159 INFO L294 olderBase$Statistics]: this new event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,159 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-11-20 14:01:02,159 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,159 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-11-20 14:01:02,160 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 181#L702-1true, 335#true, 312#L729-3true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-11-20 14:01:02,160 INFO L294 olderBase$Statistics]: this new event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,160 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-11-20 14:01:02,160 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-11-20 14:01:02,160 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,549 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 335#true, 192#L693-3true, 259#L709-2true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-11-20 14:01:02,550 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-11-20 14:01:02,550 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:02,550 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:02,550 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:02,550 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [132#L703-3true, Black: 337#true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-11-20 14:01:02,551 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-11-20 14:01:02,551 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:02,551 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:02,551 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:02,551 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 335#true, 192#L693-3true, 312#L729-3true, 259#L709-2true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-11-20 14:01:02,551 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-11-20 14:01:02,551 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:02,551 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:02,551 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:02,552 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [132#L703-3true, Black: 337#true, 335#true, 312#L729-3true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-11-20 14:01:02,552 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-11-20 14:01:02,552 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:02,557 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:02,557 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:02,924 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 184#L704-3true, 228#L730-2true, 333#true, 342#true]) [2024-11-20 14:01:02,925 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-11-20 14:01:02,925 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,925 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,925 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-11-20 14:01:02,925 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 335#true, 192#L693-3true, 312#L729-3true, 339#(= |#race~threads_alive~0| 0), 184#L704-3true, 333#true, 342#true]) [2024-11-20 14:01:02,926 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-11-20 14:01:02,926 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,926 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,926 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-11-20 14:01:02,937 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [26#L698-2true, Black: 337#true, 229#L728-1true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 270#L698-6true, 342#true]) [2024-11-20 14:01:02,937 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-11-20 14:01:02,937 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-11-20 14:01:02,937 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,937 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,940 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [179#L698-2true, Black: 337#true, 229#L728-1true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 55#L698-6true, 342#true]) [2024-11-20 14:01:02,940 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-11-20 14:01:02,940 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,941 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:02,941 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:03,495 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][274], [Black: 337#true, 229#L728-1true, 335#true, 339#(= |#race~threads_alive~0| 0), 270#L698-6true, 333#true, 55#L698-6true, 342#true]) [2024-11-20 14:01:03,496 INFO L294 olderBase$Statistics]: this new event has 255 ancestors and is cut-off event [2024-11-20 14:01:03,496 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-11-20 14:01:03,496 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-11-20 14:01:03,496 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-11-20 14:01:04,176 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 252#L706-3true, 228#L730-2true, 333#true, 342#true]) [2024-11-20 14:01:04,176 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2024-11-20 14:01:04,176 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-11-20 14:01:04,176 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-11-20 14:01:04,176 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-11-20 14:01:04,176 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 335#true, 192#L693-3true, 312#L729-3true, 339#(= |#race~threads_alive~0| 0), 252#L706-3true, 333#true, 342#true]) [2024-11-20 14:01:04,177 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2024-11-20 14:01:04,177 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-11-20 14:01:04,177 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-11-20 14:01:04,177 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-11-20 14:01:04,326 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 303#L707-3true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-11-20 14:01:04,326 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2024-11-20 14:01:04,326 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-20 14:01:04,326 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2024-11-20 14:01:04,326 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-20 14:01:04,326 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 303#L707-3true, 335#true, 312#L729-3true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-11-20 14:01:04,326 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2024-11-20 14:01:04,326 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-20 14:01:04,326 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-20 14:01:04,327 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2024-11-20 14:01:05,986 INFO L124 PetriNetUnfolderBase]: 18743/54628 cut-off events. [2024-11-20 14:01:05,987 INFO L125 PetriNetUnfolderBase]: For 2206/2362 co-relation queries the response was YES. [2024-11-20 14:01:06,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88990 conditions, 54628 events. 18743/54628 cut-off events. For 2206/2362 co-relation queries the response was YES. Maximal size of possible extension queue 1280. Compared 693545 event pairs, 12282 based on Foata normal form. 0/48750 useless extension candidates. Maximal degree in co-relation 85728. Up to 22325 conditions per place. [2024-11-20 14:01:06,476 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 60 selfloop transitions, 5 changer transitions 0/372 dead transitions. [2024-11-20 14:01:06,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 372 transitions, 992 flow [2024-11-20 14:01:06,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:01:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:01:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2024-11-20 14:01:06,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9262536873156342 [2024-11-20 14:01:06,480 INFO L175 Difference]: Start difference. First operand has 338 places, 348 transitions, 814 flow. Second operand 3 states and 942 transitions. [2024-11-20 14:01:06,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 372 transitions, 992 flow [2024-11-20 14:01:06,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 372 transitions, 960 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 14:01:06,515 INFO L231 Difference]: Finished difference. Result has 339 places, 352 transitions, 820 flow [2024-11-20 14:01:06,516 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=339, PETRI_TRANSITIONS=352} [2024-11-20 14:01:06,516 INFO L277 CegarLoopForPetriNet]: 334 programPoint places, 5 predicate places. [2024-11-20 14:01:06,517 INFO L471 AbstractCegarLoop]: Abstraction has has 339 places, 352 transitions, 820 flow [2024-11-20 14:01:06,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:01:06,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:01:06,518 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:01:06,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 14:01:06,518 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-20 14:01:06,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:01:06,519 INFO L85 PathProgramCache]: Analyzing trace with hash 572786072, now seen corresponding path program 1 times [2024-11-20 14:01:06,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:01:06,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20203250] [2024-11-20 14:01:06,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:01:06,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:01:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:01:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:01:06,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:01:06,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20203250] [2024-11-20 14:01:06,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20203250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:01:06,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:01:06,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:01:06,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313439751] [2024-11-20 14:01:06,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:01:06,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:01:06,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:01:06,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:01:06,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:01:06,658 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 339 [2024-11-20 14:01:06,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 352 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 289.0) internal successors, (867), 3 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:01:06,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:01:06,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 339 [2024-11-20 14:01:06,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:01:07,346 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][268], [112#L694-2true, 227#L694-7true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 333#true, 232#L721-1true, 342#true]) [2024-11-20 14:01:07,347 INFO L294 olderBase$Statistics]: this new event has 210 ancestors and is cut-off event [2024-11-20 14:01:07,347 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2024-11-20 14:01:07,347 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2024-11-20 14:01:07,347 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-11-20 14:01:07,438 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [112#L694-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 333#true, 342#true, 232#L721-1true]) [2024-11-20 14:01:07,438 INFO L294 olderBase$Statistics]: this new event has 212 ancestors and is cut-off event [2024-11-20 14:01:07,438 INFO L297 olderBase$Statistics]: existing Event has 207 ancestors and is cut-off event [2024-11-20 14:01:07,438 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is cut-off event [2024-11-20 14:01:07,438 INFO L297 olderBase$Statistics]: existing Event has 207 ancestors and is cut-off event [2024-11-20 14:01:07,470 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [112#L694-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 108#L696-3true, 333#true, 342#true, 232#L721-1true]) [2024-11-20 14:01:07,470 INFO L294 olderBase$Statistics]: this new event has 213 ancestors and is cut-off event [2024-11-20 14:01:07,470 INFO L297 olderBase$Statistics]: existing Event has 213 ancestors and is cut-off event [2024-11-20 14:01:07,470 INFO L297 olderBase$Statistics]: existing Event has 208 ancestors and is cut-off event [2024-11-20 14:01:07,471 INFO L297 olderBase$Statistics]: existing Event has 208 ancestors and is cut-off event [2024-11-20 14:01:07,540 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [112#L694-2true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 331#L697-3true, 333#true, 232#L721-1true, 342#true]) [2024-11-20 14:01:07,541 INFO L294 olderBase$Statistics]: this new event has 215 ancestors and is cut-off event [2024-11-20 14:01:07,541 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-11-20 14:01:07,541 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-11-20 14:01:07,541 INFO L297 olderBase$Statistics]: existing Event has 215 ancestors and is cut-off event [2024-11-20 14:01:08,226 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][268], [26#L698-2true, 227#L694-7true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 333#true, 342#true, 232#L721-1true]) [2024-11-20 14:01:08,226 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2024-11-20 14:01:08,226 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:08,226 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:08,227 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:08,437 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [26#L698-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 333#true, 342#true, 232#L721-1true]) [2024-11-20 14:01:08,437 INFO L294 olderBase$Statistics]: this new event has 225 ancestors and is cut-off event [2024-11-20 14:01:08,437 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2024-11-20 14:01:08,437 INFO L297 olderBase$Statistics]: existing Event has 220 ancestors and is cut-off event [2024-11-20 14:01:08,437 INFO L297 olderBase$Statistics]: existing Event has 220 ancestors and is cut-off event [2024-11-20 14:01:08,486 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][314], [112#L694-2true, 227#L694-7true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 333#true, 342#true]) [2024-11-20 14:01:08,486 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2024-11-20 14:01:08,486 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-11-20 14:01:08,486 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-11-20 14:01:08,486 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-11-20 14:01:08,499 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [26#L698-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 108#L696-3true, 333#true, 342#true, 232#L721-1true]) [2024-11-20 14:01:08,499 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2024-11-20 14:01:08,499 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-11-20 14:01:08,500 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-11-20 14:01:08,500 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-11-20 14:01:08,552 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [112#L694-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 333#true, 342#true]) [2024-11-20 14:01:08,552 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2024-11-20 14:01:08,552 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2024-11-20 14:01:08,552 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:08,552 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:08,623 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [112#L694-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 108#L696-3true, 333#true, 342#true]) [2024-11-20 14:01:08,623 INFO L294 olderBase$Statistics]: this new event has 229 ancestors and is cut-off event [2024-11-20 14:01:08,623 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-11-20 14:01:08,623 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-11-20 14:01:08,623 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-11-20 14:01:08,625 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [112#L694-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 333#true, 342#true]) [2024-11-20 14:01:08,625 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2024-11-20 14:01:08,625 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2024-11-20 14:01:08,625 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:08,625 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2024-11-20 14:01:08,625 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:08,638 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [26#L698-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 331#L697-3true, 333#true, 232#L721-1true, 342#true]) [2024-11-20 14:01:08,638 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2024-11-20 14:01:08,638 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:08,638 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2024-11-20 14:01:08,638 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:08,693 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [112#L694-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 108#L696-3true, 333#true, 342#true]) [2024-11-20 14:01:08,693 INFO L294 olderBase$Statistics]: this new event has 229 ancestors and is cut-off event [2024-11-20 14:01:08,693 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-11-20 14:01:08,693 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-11-20 14:01:08,694 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-11-20 14:01:08,694 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-11-20 14:01:08,768 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [112#L694-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 331#L697-3true, 333#true, 342#true]) [2024-11-20 14:01:08,768 INFO L294 olderBase$Statistics]: this new event has 231 ancestors and is cut-off event [2024-11-20 14:01:08,768 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-11-20 14:01:08,768 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-11-20 14:01:08,768 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-11-20 14:01:09,075 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [112#L694-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 331#L697-3true, 333#true, 342#true]) [2024-11-20 14:01:09,076 INFO L294 olderBase$Statistics]: this new event has 231 ancestors and is cut-off event [2024-11-20 14:01:09,076 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-11-20 14:01:09,076 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-11-20 14:01:09,076 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-11-20 14:01:09,076 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-11-20 14:01:09,281 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [112#L694-2true, 179#L698-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 333#true, 342#true]) [2024-11-20 14:01:09,281 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2024-11-20 14:01:09,282 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:09,282 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-11-20 14:01:09,282 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:10,124 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [26#L698-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 333#true, 342#true]) [2024-11-20 14:01:10,124 INFO L294 olderBase$Statistics]: this new event has 241 ancestors and is cut-off event [2024-11-20 14:01:10,124 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-11-20 14:01:10,124 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-11-20 14:01:10,124 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-11-20 14:01:10,252 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [26#L698-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 108#L696-3true, 333#true, 342#true]) [2024-11-20 14:01:10,253 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2024-11-20 14:01:10,253 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-11-20 14:01:10,253 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2024-11-20 14:01:10,253 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-11-20 14:01:10,529 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [26#L698-2true, Black: 337#true, 347#true, 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 331#L697-3true, 333#true, 342#true]) [2024-11-20 14:01:10,530 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2024-11-20 14:01:10,530 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:10,530 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:10,530 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:11,764 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [38#L709-2true, 4#L694-2true, Black: 337#true, 347#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 333#true, 342#true]) [2024-11-20 14:01:11,764 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-11-20 14:01:11,764 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:11,764 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:11,764 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:11,765 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [4#L694-2true, Black: 337#true, 347#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 333#true, 178#L703-3true, 342#true]) [2024-11-20 14:01:11,765 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-11-20 14:01:11,765 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:11,765 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:11,765 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:11,960 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [4#L694-2true, Black: 337#true, 347#true, 194#L704-3true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 333#true, 342#true]) [2024-11-20 14:01:11,961 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-11-20 14:01:11,961 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-11-20 14:01:11,961 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-11-20 14:01:11,961 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:13,182 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [281#L706-3true, 4#L694-2true, Black: 337#true, 347#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 333#true, 342#true]) [2024-11-20 14:01:13,183 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2024-11-20 14:01:13,183 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-11-20 14:01:13,183 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-11-20 14:01:13,183 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-11-20 14:01:13,384 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [4#L694-2true, 114#L707-3true, Black: 337#true, 347#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 333#true, 342#true]) [2024-11-20 14:01:13,385 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2024-11-20 14:01:13,385 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-20 14:01:13,385 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2024-11-20 14:01:13,385 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2024-11-20 14:01:15,071 INFO L124 PetriNetUnfolderBase]: 21316/60783 cut-off events. [2024-11-20 14:01:15,071 INFO L125 PetriNetUnfolderBase]: For 6984/7441 co-relation queries the response was YES. [2024-11-20 14:01:15,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105392 conditions, 60783 events. 21316/60783 cut-off events. For 6984/7441 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 767368 event pairs, 12999 based on Foata normal form. 161/54070 useless extension candidates. Maximal degree in co-relation 101857. Up to 28240 conditions per place. [2024-11-20 14:01:15,555 INFO L140 encePairwiseOnDemand]: 329/339 looper letters, 75 selfloop transitions, 16 changer transitions 0/387 dead transitions. [2024-11-20 14:01:15,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 387 transitions, 1101 flow [2024-11-20 14:01:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:01:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:01:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-11-20 14:01:15,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213372664700098 [2024-11-20 14:01:15,559 INFO L175 Difference]: Start difference. First operand has 339 places, 352 transitions, 820 flow. Second operand 3 states and 937 transitions. [2024-11-20 14:01:15,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 387 transitions, 1101 flow [2024-11-20 14:01:15,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 387 transitions, 1091 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 14:01:15,624 INFO L231 Difference]: Finished difference. Result has 341 places, 366 transitions, 956 flow [2024-11-20 14:01:15,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=956, PETRI_PLACES=341, PETRI_TRANSITIONS=366} [2024-11-20 14:01:15,626 INFO L277 CegarLoopForPetriNet]: 334 programPoint places, 7 predicate places. [2024-11-20 14:01:15,626 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 366 transitions, 956 flow [2024-11-20 14:01:15,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 289.0) internal successors, (867), 3 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:01:15,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:01:15,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:01:15,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 14:01:15,627 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-20 14:01:15,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:01:15,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1732663557, now seen corresponding path program 1 times [2024-11-20 14:01:15,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:01:15,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396970761] [2024-11-20 14:01:15,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:01:15,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:01:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:01:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:01:15,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:01:15,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396970761] [2024-11-20 14:01:15,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396970761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:01:15,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:01:15,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:01:15,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423398465] [2024-11-20 14:01:15,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:01:15,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:01:15,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:01:15,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:01:15,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:01:15,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 339 [2024-11-20 14:01:15,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 366 transitions, 956 flow. Second operand has 3 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:01:15,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:01:15,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 339 [2024-11-20 14:01:15,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:01:16,217 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][260], [112#L694-2true, 227#L694-7true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 232#L721-1true]) [2024-11-20 14:01:16,218 INFO L294 olderBase$Statistics]: this new event has 210 ancestors and is cut-off event [2024-11-20 14:01:16,218 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2024-11-20 14:01:16,218 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2024-11-20 14:01:16,218 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-11-20 14:01:16,377 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [112#L694-2true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 328#L696true, 333#true, 232#L721-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:16,377 INFO L294 olderBase$Statistics]: this new event has 212 ancestors and is cut-off event [2024-11-20 14:01:16,377 INFO L297 olderBase$Statistics]: existing Event has 207 ancestors and is cut-off event [2024-11-20 14:01:16,377 INFO L297 olderBase$Statistics]: existing Event has 207 ancestors and is cut-off event [2024-11-20 14:01:16,378 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is cut-off event [2024-11-20 14:01:17,120 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1093] L698-->L698-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][338], [227#L694-7true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 58#L698-1true, 93#L721-2true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,121 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,121 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:17,121 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,121 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:17,188 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][260], [227#L694-7true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 58#L698-1true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 232#L721-1true]) [2024-11-20 14:01:17,189 INFO L294 olderBase$Statistics]: this new event has 222 ancestors and is cut-off event [2024-11-20 14:01:17,189 INFO L297 olderBase$Statistics]: existing Event has 217 ancestors and is cut-off event [2024-11-20 14:01:17,189 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2024-11-20 14:01:17,189 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2024-11-20 14:01:17,190 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][260], [26#L698-2true, 227#L694-7true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 232#L721-1true]) [2024-11-20 14:01:17,190 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,190 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:17,190 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,190 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:17,191 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][260], [26#L698-2true, 227#L694-7true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, 232#L721-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,191 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,191 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:17,191 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,191 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:17,191 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,275 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [26#L698-2true, 18#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, 232#L721-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,275 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,275 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-20 14:01:17,275 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,275 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,312 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][304], [112#L694-2true, 227#L694-7true, 347#true, Black: 337#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,312 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2024-11-20 14:01:17,312 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-11-20 14:01:17,312 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-11-20 14:01:17,313 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-11-20 14:01:17,313 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1078] L694-->L694-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][302], [34#L728-2true, 227#L694-7true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 325#L694-1true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,313 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2024-11-20 14:01:17,314 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-11-20 14:01:17,314 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-11-20 14:01:17,314 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-11-20 14:01:17,329 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [26#L698-2true, Black: 337#true, 347#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 328#L696true, 333#true, 232#L721-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,330 INFO L294 olderBase$Statistics]: this new event has 225 ancestors and is cut-off event [2024-11-20 14:01:17,330 INFO L297 olderBase$Statistics]: existing Event has 220 ancestors and is cut-off event [2024-11-20 14:01:17,330 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2024-11-20 14:01:17,330 INFO L297 olderBase$Statistics]: existing Event has 220 ancestors and is cut-off event [2024-11-20 14:01:17,514 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1078] L694-->L694-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][232], [34#L728-2true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 328#L696true, 352#true, 325#L694-1true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,515 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2024-11-20 14:01:17,515 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,515 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,515 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2024-11-20 14:01:17,516 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][213], [112#L694-2true, 347#true, Black: 337#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 328#L696true, 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,516 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2024-11-20 14:01:17,516 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2024-11-20 14:01:17,516 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,516 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2024-11-20 14:01:17,951 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1093] L698-->L698-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][338], [34#L728-2true, 227#L694-7true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 58#L698-1true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:17,951 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2024-11-20 14:01:17,951 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:17,951 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:17,952 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,130 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 62#L698-1true, 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 55#L698-6true, 232#L721-1true]) [2024-11-20 14:01:18,131 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,131 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,131 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-11-20 14:01:18,131 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,526 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [347#true, Black: 337#true, 179#L698-2true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, 55#L698-6true, 232#L721-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:18,526 INFO L294 olderBase$Statistics]: this new event has 235 ancestors and is cut-off event [2024-11-20 14:01:18,526 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2024-11-20 14:01:18,526 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2024-11-20 14:01:18,526 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2024-11-20 14:01:18,566 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1093] L698-->L698-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][287], [34#L728-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 352#true, 328#L696true, 58#L698-1true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:18,566 INFO L294 olderBase$Statistics]: this new event has 236 ancestors and is cut-off event [2024-11-20 14:01:18,566 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-11-20 14:01:18,566 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-11-20 14:01:18,566 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-11-20 14:01:18,647 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][304], [227#L694-7true, 347#true, Black: 337#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 58#L698-1true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:18,648 INFO L294 olderBase$Statistics]: this new event has 238 ancestors and is cut-off event [2024-11-20 14:01:18,648 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2024-11-20 14:01:18,648 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2024-11-20 14:01:18,648 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][213], [26#L698-2true, 18#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 337#true, 347#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:18,649 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][304], [26#L698-2true, 227#L694-7true, 347#true, Black: 337#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:18,649 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][304], [26#L698-2true, 227#L694-7true, 347#true, Black: 337#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:18,649 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,649 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,650 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:18,650 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,838 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][166], [347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, 270#L698-6true, 55#L698-6true, 232#L721-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:18,838 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-11-20 14:01:18,838 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-11-20 14:01:18,838 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:18,838 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-11-20 14:01:20,246 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][213], [26#L698-2true, 347#true, Black: 337#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 270#L698-6true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:20,246 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-11-20 14:01:20,246 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:20,246 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:20,246 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-11-20 14:01:20,250 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][213], [Black: 337#true, 179#L698-2true, 347#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 55#L698-6true]) [2024-11-20 14:01:20,250 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-11-20 14:01:20,250 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:20,250 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:20,251 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:21,028 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][312], [347#true, Black: 337#true, 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 270#L698-6true, 333#true, 55#L698-6true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:21,028 INFO L294 olderBase$Statistics]: this new event has 255 ancestors and is cut-off event [2024-11-20 14:01:21,029 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-11-20 14:01:21,029 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-11-20 14:01:21,029 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-11-20 14:01:24,787 INFO L124 PetriNetUnfolderBase]: 19635/62520 cut-off events. [2024-11-20 14:01:24,787 INFO L125 PetriNetUnfolderBase]: For 5673/6288 co-relation queries the response was YES. [2024-11-20 14:01:25,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103666 conditions, 62520 events. 19635/62520 cut-off events. For 5673/6288 co-relation queries the response was YES. Maximal size of possible extension queue 1286. Compared 825736 event pairs, 11528 based on Foata normal form. 38/54889 useless extension candidates. Maximal degree in co-relation 100061. Up to 21781 conditions per place. [2024-11-20 14:01:25,833 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 56 selfloop transitions, 4 changer transitions 0/389 dead transitions. [2024-11-20 14:01:25,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 389 transitions, 1122 flow [2024-11-20 14:01:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:01:25,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:01:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 949 transitions. [2024-11-20 14:01:25,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331366764995084 [2024-11-20 14:01:25,836 INFO L175 Difference]: Start difference. First operand has 341 places, 366 transitions, 956 flow. Second operand 3 states and 949 transitions. [2024-11-20 14:01:25,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 389 transitions, 1122 flow [2024-11-20 14:01:25,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 389 transitions, 1090 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 14:01:25,871 INFO L231 Difference]: Finished difference. Result has 343 places, 369 transitions, 954 flow [2024-11-20 14:01:25,871 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=954, PETRI_PLACES=343, PETRI_TRANSITIONS=369} [2024-11-20 14:01:25,872 INFO L277 CegarLoopForPetriNet]: 334 programPoint places, 9 predicate places. [2024-11-20 14:01:25,872 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 369 transitions, 954 flow [2024-11-20 14:01:25,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:01:25,876 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:01:25,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:01:25,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 14:01:25,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-20 14:01:25,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:01:25,877 INFO L85 PathProgramCache]: Analyzing trace with hash 227826408, now seen corresponding path program 1 times [2024-11-20 14:01:25,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:01:25,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598735027] [2024-11-20 14:01:25,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:01:25,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:01:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:01:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 14:01:26,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:01:26,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598735027] [2024-11-20 14:01:26,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598735027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:01:26,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:01:26,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 14:01:26,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993055750] [2024-11-20 14:01:26,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:01:26,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:01:26,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:01:26,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:01:26,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:01:26,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 339 [2024-11-20 14:01:26,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 369 transitions, 954 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:01:26,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:01:26,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 339 [2024-11-20 14:01:26,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:01:28,664 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][266], [Black: 354#(= |#race~data~0| 0), Black: 337#true, 32#L694-6true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 259#L709-2true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:28,664 INFO L294 olderBase$Statistics]: this new event has 253 ancestors and is cut-off event [2024-11-20 14:01:28,664 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-20 14:01:28,664 INFO L297 olderBase$Statistics]: existing Event has 248 ancestors and is cut-off event [2024-11-20 14:01:28,664 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-20 14:01:28,664 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][266], [Black: 354#(= |#race~data~0| 0), 132#L703-3true, Black: 337#true, 32#L694-6true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:28,664 INFO L294 olderBase$Statistics]: this new event has 253 ancestors and is cut-off event [2024-11-20 14:01:28,665 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-20 14:01:28,665 INFO L297 olderBase$Statistics]: existing Event has 248 ancestors and is cut-off event [2024-11-20 14:01:28,665 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-20 14:01:29,099 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][266], [Black: 354#(= |#race~data~0| 0), Black: 337#true, 32#L694-6true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 229#L728-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 184#L704-3true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:29,099 INFO L294 olderBase$Statistics]: this new event has 255 ancestors and is cut-off event [2024-11-20 14:01:29,099 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-11-20 14:01:29,099 INFO L297 olderBase$Statistics]: existing Event has 255 ancestors and is cut-off event [2024-11-20 14:01:29,100 INFO L297 olderBase$Statistics]: existing Event has 255 ancestors and is cut-off event [2024-11-20 14:01:32,427 INFO L124 PetriNetUnfolderBase]: 11213/44180 cut-off events. [2024-11-20 14:01:32,427 INFO L125 PetriNetUnfolderBase]: For 2869/3173 co-relation queries the response was YES. [2024-11-20 14:01:32,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70478 conditions, 44180 events. 11213/44180 cut-off events. For 2869/3173 co-relation queries the response was YES. Maximal size of possible extension queue 1088. Compared 597438 event pairs, 3461 based on Foata normal form. 635/40180 useless extension candidates. Maximal degree in co-relation 60389. Up to 11762 conditions per place. [2024-11-20 14:01:32,729 INFO L140 encePairwiseOnDemand]: 316/339 looper letters, 33 selfloop transitions, 23 changer transitions 0/392 dead transitions. [2024-11-20 14:01:32,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 392 transitions, 1117 flow [2024-11-20 14:01:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:01:32,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:01:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-20 14:01:32,732 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-20 14:01:32,732 INFO L175 Difference]: Start difference. First operand has 343 places, 369 transitions, 954 flow. Second operand 3 states and 964 transitions. [2024-11-20 14:01:32,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 392 transitions, 1117 flow [2024-11-20 14:01:32,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 392 transitions, 1109 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 14:01:32,763 INFO L231 Difference]: Finished difference. Result has 344 places, 384 transitions, 1075 flow [2024-11-20 14:01:32,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1075, PETRI_PLACES=344, PETRI_TRANSITIONS=384} [2024-11-20 14:01:32,764 INFO L277 CegarLoopForPetriNet]: 334 programPoint places, 10 predicate places. [2024-11-20 14:01:32,764 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 384 transitions, 1075 flow [2024-11-20 14:01:32,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:01:32,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:01:32,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:01:32,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 14:01:32,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-20 14:01:32,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:01:32,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1544255984, now seen corresponding path program 1 times [2024-11-20 14:01:32,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:01:32,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651740808] [2024-11-20 14:01:32,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:01:32,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:01:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:01:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:01:32,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:01:32,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651740808] [2024-11-20 14:01:32,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651740808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:01:32,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:01:32,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 14:01:32,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119243671] [2024-11-20 14:01:32,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:01:32,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:01:32,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:01:32,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:01:32,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:01:32,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 339 [2024-11-20 14:01:32,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 384 transitions, 1075 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:01:32,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:01:32,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 339 [2024-11-20 14:01:32,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:01:35,991 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [112#L694-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 259#L709-2true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:35,991 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-11-20 14:01:35,991 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:35,992 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:35,992 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:35,992 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [112#L694-2true, Black: 354#(= |#race~data~0| 0), 132#L703-3true, Black: 337#true, 361#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:35,992 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-11-20 14:01:35,992 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:35,992 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-11-20 14:01:35,992 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-11-20 14:01:36,215 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [112#L694-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 229#L728-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 184#L704-3true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2024-11-20 14:01:36,216 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-11-20 14:01:36,216 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-11-20 14:01:36,216 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-11-20 14:01:36,216 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event