./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../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 f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../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 0.3.0-?-f8ab0bd-m [2025-03-13 22:30:39,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:30:39,847 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:30:39,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:30:39,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:30:39,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:30:39,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:30:39,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:30:39,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:30:39,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:30:39,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:30:39,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:30:39,880 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:30:39,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:30:39,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:30:39,880 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:30:39,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:30:39,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:30:39,881 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:30:39,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:30:39,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:30:39,882 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-13 22:30:40,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:30:40,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:30:40,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:30:40,129 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:30:40,130 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:30:40,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i [2025-03-13 22:30:41,260 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869af151a/916a94ee770142c3a6bc0702462dde89/FLAG6ba53d511 [2025-03-13 22:30:41,522 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:30:41,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i [2025-03-13 22:30:41,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869af151a/916a94ee770142c3a6bc0702462dde89/FLAG6ba53d511 [2025-03-13 22:30:41,546 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869af151a/916a94ee770142c3a6bc0702462dde89 [2025-03-13 22:30:41,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:30:41,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:30:41,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:30:41,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:30:41,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:30:41,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299de507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41, skipping insertion in model container [2025-03-13 22:30:41,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:30:41,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:30:41,851 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:30:41,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:30:41,932 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:30:41,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41 WrapperNode [2025-03-13 22:30:41,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:30:41,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:30:41,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:30:41,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:30:41,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,971 INFO L138 Inliner]: procedures = 159, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 213 [2025-03-13 22:30:41,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:30:41,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:30:41,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:30:41,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:30:41,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,990 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:30:41,995 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:30:41,995 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:30:41,995 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:30:41,995 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (1/1) ... [2025-03-13 22:30:41,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:30:42,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:30:42,021 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) [2025-03-13 22:30:42,022 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 [2025-03-13 22:30:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-13 22:30:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:30:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:30:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2025-03-13 22:30:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2025-03-13 22:30:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-13 22:30:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:30:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:30:42,038 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:30:42,154 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:30:42,156 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:30:42,471 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:30:42,472 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:30:42,472 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:30:42,529 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:30:42,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:30:42 BoogieIcfgContainer [2025-03-13 22:30:42,532 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:30:42,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:30:42,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:30:42,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:30:42,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:30:41" (1/3) ... [2025-03-13 22:30:42,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5501a72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:30:42, skipping insertion in model container [2025-03-13 22:30:42,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:30:41" (2/3) ... [2025-03-13 22:30:42,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5501a72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:30:42, skipping insertion in model container [2025-03-13 22:30:42,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:30:42" (3/3) ... [2025-03-13 22:30:42,541 INFO L128 eAbstractionObserver]: Analyzing ICFG thread-join-counter-inner-race-2.i [2025-03-13 22:30:42,551 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:30:42,552 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG thread-join-counter-inner-race-2.i that has 2 procedures, 270 locations, 1 initial locations, 4 loop locations, and 10 error locations. [2025-03-13 22:30:42,552 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:30:42,608 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-13 22:30:42,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 277 transitions, 558 flow [2025-03-13 22:30:42,755 INFO L124 PetriNetUnfolderBase]: 11/325 cut-off events. [2025-03-13 22:30:42,756 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:30:42,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 325 events. 11/325 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 400 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 207. Up to 4 conditions per place. [2025-03-13 22:30:42,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 273 places, 277 transitions, 558 flow [2025-03-13 22:30:42,769 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 277 transitions, 558 flow [2025-03-13 22:30:42,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:30:42,785 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;@64fb8d72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:30:42,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-03-13 22:30:42,810 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:30:42,812 INFO L124 PetriNetUnfolderBase]: 2/173 cut-off events. [2025-03-13 22:30:42,812 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:30:42,812 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:30:42,813 INFO L206 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] [2025-03-13 22:30:42,814 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:30:42,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:30:42,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1760335932, now seen corresponding path program 1 times [2025-03-13 22:30:42,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:30:42,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520811857] [2025-03-13 22:30:42,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:30:42,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:30:42,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-13 22:30:42,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-13 22:30:42,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:30:42,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:30:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:30:43,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:30:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520811857] [2025-03-13 22:30:43,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520811857] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:30:43,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:30:43,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:30:43,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741060983] [2025-03-13 22:30:43,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:30:43,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:30:43,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:30:43,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:30:43,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:30:43,201 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 277 [2025-03-13 22:30:43,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 277 transitions, 558 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) [2025-03-13 22:30:43,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:30:43,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 277 [2025-03-13 22:30:43,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:30:43,551 INFO L124 PetriNetUnfolderBase]: 424/1923 cut-off events. [2025-03-13 22:30:43,551 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:30:43,557 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 12894 event pairs, 76 based on Foata normal form. 29/1760 useless extension candidates. Maximal degree in co-relation 2535. Up to 510 conditions per place. [2025-03-13 22:30:43,565 INFO L140 encePairwiseOnDemand]: 261/277 looper letters, 51 selfloop transitions, 8 changer transitions 1/297 dead transitions. [2025-03-13 22:30:43,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 297 transitions, 716 flow [2025-03-13 22:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:30:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:30:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2025-03-13 22:30:43,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9434416365824309 [2025-03-13 22:30:43,579 INFO L175 Difference]: Start difference. First operand has 273 places, 277 transitions, 558 flow. Second operand 3 states and 784 transitions. [2025-03-13 22:30:43,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 297 transitions, 716 flow [2025-03-13 22:30:43,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 297 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:30:43,589 INFO L231 Difference]: Finished difference. Result has 275 places, 276 transitions, 604 flow [2025-03-13 22:30:43,592 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, 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} [2025-03-13 22:30:43,596 INFO L279 CegarLoopForPetriNet]: 273 programPoint places, 2 predicate places. [2025-03-13 22:30:43,596 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 276 transitions, 604 flow [2025-03-13 22:30:43,597 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) [2025-03-13 22:30:43,597 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:30:43,597 INFO L206 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] [2025-03-13 22:30:43,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:30:43,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:30:43,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:30:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash -383961606, now seen corresponding path program 1 times [2025-03-13 22:30:43,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:30:43,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480125109] [2025-03-13 22:30:43,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:30:43,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:30:43,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-13 22:30:43,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-13 22:30:43,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:30:43,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:30:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:30:43,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:30:43,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480125109] [2025-03-13 22:30:43,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480125109] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:30:43,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:30:43,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:30:43,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901993485] [2025-03-13 22:30:43,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:30:43,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:30:43,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:30:43,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:30:43,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:30:43,771 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 277 [2025-03-13 22:30:43,772 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) [2025-03-13 22:30:43,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:30:43,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 277 [2025-03-13 22:30:43,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:30:44,060 INFO L124 PetriNetUnfolderBase]: 465/2060 cut-off events. [2025-03-13 22:30:44,060 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-13 22:30:44,064 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 63. Compared 14245 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. [2025-03-13 22:30:44,072 INFO L140 encePairwiseOnDemand]: 272/277 looper letters, 38 selfloop transitions, 4 changer transitions 0/289 dead transitions. [2025-03-13 22:30:44,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 289 transitions, 714 flow [2025-03-13 22:30:44,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:30:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:30:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2025-03-13 22:30:44,075 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9326113116726835 [2025-03-13 22:30:44,075 INFO L175 Difference]: Start difference. First operand has 275 places, 276 transitions, 604 flow. Second operand 3 states and 775 transitions. [2025-03-13 22:30:44,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 289 transitions, 714 flow [2025-03-13 22:30:44,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 289 transitions, 698 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:30:44,085 INFO L231 Difference]: Finished difference. Result has 276 places, 279 transitions, 618 flow [2025-03-13 22:30:44,086 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, 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} [2025-03-13 22:30:44,086 INFO L279 CegarLoopForPetriNet]: 273 programPoint places, 3 predicate places. [2025-03-13 22:30:44,086 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 279 transitions, 618 flow [2025-03-13 22:30:44,087 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) [2025-03-13 22:30:44,087 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:30:44,087 INFO L206 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] [2025-03-13 22:30:44,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:30:44,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:30:44,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:30:44,088 INFO L85 PathProgramCache]: Analyzing trace with hash 6660230, now seen corresponding path program 1 times [2025-03-13 22:30:44,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:30:44,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788364698] [2025-03-13 22:30:44,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:30:44,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:30:44,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-13 22:30:44,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-13 22:30:44,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:30:44,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:30:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:30:44,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:30:44,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788364698] [2025-03-13 22:30:44,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788364698] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:30:44,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:30:44,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:30:44,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352091433] [2025-03-13 22:30:44,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:30:44,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:30:44,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:30:44,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:30:44,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:30:44,241 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 277 [2025-03-13 22:30:44,242 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) [2025-03-13 22:30:44,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:30:44,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 277 [2025-03-13 22:30:44,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:30:44,479 INFO L124 PetriNetUnfolderBase]: 465/2114 cut-off events. [2025-03-13 22:30:44,480 INFO L125 PetriNetUnfolderBase]: For 149/152 co-relation queries the response was YES. [2025-03-13 22:30:44,483 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 14651 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. [2025-03-13 22:30:44,488 INFO L140 encePairwiseOnDemand]: 271/277 looper letters, 44 selfloop transitions, 7 changer transitions 0/295 dead transitions. [2025-03-13 22:30:44,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 295 transitions, 760 flow [2025-03-13 22:30:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:30:44,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:30:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2025-03-13 22:30:44,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9290012033694344 [2025-03-13 22:30:44,493 INFO L175 Difference]: Start difference. First operand has 276 places, 279 transitions, 618 flow. Second operand 3 states and 772 transitions. [2025-03-13 22:30:44,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 295 transitions, 760 flow [2025-03-13 22:30:44,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 295 transitions, 752 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:30:44,498 INFO L231 Difference]: Finished difference. Result has 278 places, 285 transitions, 672 flow [2025-03-13 22:30:44,498 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, 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} [2025-03-13 22:30:44,499 INFO L279 CegarLoopForPetriNet]: 273 programPoint places, 5 predicate places. [2025-03-13 22:30:44,499 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 285 transitions, 672 flow [2025-03-13 22:30:44,500 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) [2025-03-13 22:30:44,500 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:30:44,500 INFO L206 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] [2025-03-13 22:30:44,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:30:44,501 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-13 22:30:44,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:30:44,502 INFO L85 PathProgramCache]: Analyzing trace with hash 652575683, now seen corresponding path program 1 times [2025-03-13 22:30:44,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:30:44,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048735269] [2025-03-13 22:30:44,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:30:44,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:30:44,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-13 22:30:44,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-13 22:30:44,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:30:44,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:30:44,555 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-13 22:30:44,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-13 22:30:44,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-13 22:30:44,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:30:44,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-13 22:30:44,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-13 22:30:44,640 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-13 22:30:44,641 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2025-03-13 22:30:44,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2025-03-13 22:30:44,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2025-03-13 22:30:44,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2025-03-13 22:30:44,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2025-03-13 22:30:44,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:30:44,645 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-13 22:30:44,647 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-13 22:30:44,647 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-13 22:30:44,686 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-13 22:30:44,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 338 transitions, 686 flow [2025-03-13 22:30:44,732 INFO L124 PetriNetUnfolderBase]: 17/442 cut-off events. [2025-03-13 22:30:44,733 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:30:44,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 442 events. 17/442 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 935 event pairs, 0 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 326. Up to 6 conditions per place. [2025-03-13 22:30:44,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 338 transitions, 686 flow [2025-03-13 22:30:44,739 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 334 places, 338 transitions, 686 flow [2025-03-13 22:30:44,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:30:44,741 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;@64fb8d72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:30:44,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2025-03-13 22:30:44,750 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:30:44,750 INFO L124 PetriNetUnfolderBase]: 2/173 cut-off events. [2025-03-13 22:30:44,750 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:30:44,750 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:30:44,751 INFO L206 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] [2025-03-13 22:30:44,751 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-13 22:30:44,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:30:44,752 INFO L85 PathProgramCache]: Analyzing trace with hash -595045674, now seen corresponding path program 1 times [2025-03-13 22:30:44,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:30:44,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930485632] [2025-03-13 22:30:44,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:30:44,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:30:44,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-13 22:30:44,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-13 22:30:44,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:30:44,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:30:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:30:44,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:30:44,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930485632] [2025-03-13 22:30:44,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930485632] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:30:44,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:30:44,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:30:44,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311288191] [2025-03-13 22:30:44,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:30:44,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:30:44,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:30:44,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:30:44,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:30:44,845 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 338 [2025-03-13 22:30:44,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 338 transitions, 686 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) [2025-03-13 22:30:44,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:30:44,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 338 [2025-03-13 22:30:44,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:30:49,368 INFO L124 PetriNetUnfolderBase]: 18901/48777 cut-off events. [2025-03-13 22:30:49,369 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2025-03-13 22:30:49,449 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 570457 event pairs, 5826 based on Foata normal form. 1087/44298 useless extension candidates. Maximal degree in co-relation 74733. Up to 15941 conditions per place. [2025-03-13 22:30:49,607 INFO L140 encePairwiseOnDemand]: 311/338 looper letters, 85 selfloop transitions, 16 changer transitions 1/380 dead transitions. [2025-03-13 22:30:49,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 380 transitions, 977 flow [2025-03-13 22:30:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:30:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:30:49,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2025-03-13 22:30:49,610 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9398422090729783 [2025-03-13 22:30:49,611 INFO L175 Difference]: Start difference. First operand has 334 places, 338 transitions, 686 flow. Second operand 3 states and 953 transitions. [2025-03-13 22:30:49,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 380 transitions, 977 flow [2025-03-13 22:30:49,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 380 transitions, 977 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:30:49,618 INFO L231 Difference]: Finished difference. Result has 338 places, 348 transitions, 814 flow [2025-03-13 22:30:49,618 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, 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} [2025-03-13 22:30:49,620 INFO L279 CegarLoopForPetriNet]: 334 programPoint places, 4 predicate places. [2025-03-13 22:30:49,620 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 348 transitions, 814 flow [2025-03-13 22:30:49,621 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) [2025-03-13 22:30:49,621 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:30:49,621 INFO L206 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] [2025-03-13 22:30:49,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:30:49,621 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-13 22:30:49,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:30:49,625 INFO L85 PathProgramCache]: Analyzing trace with hash 869037946, now seen corresponding path program 1 times [2025-03-13 22:30:49,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:30:49,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167668620] [2025-03-13 22:30:49,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:30:49,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:30:49,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-13 22:30:49,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-13 22:30:49,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:30:49,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:30:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:30:49,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:30:49,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167668620] [2025-03-13 22:30:49,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167668620] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:30:49,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:30:49,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:30:49,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476377830] [2025-03-13 22:30:49,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:30:49,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:30:49,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:30:49,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:30:49,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:30:49,709 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 338 [2025-03-13 22:30:49,710 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) [2025-03-13 22:30:49,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:30:49,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 338 [2025-03-13 22:30:49,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:30:51,072 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [265#L698-6true, Black: 337#true, 335#true, 91#L721-2true, 339#(= |#race~threads_alive~0| 0), 333#true, 55#L698-1true, 342#true]) [2025-03-13 22:30:51,073 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-13 22:30:51,073 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:30:51,073 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:30:51,073 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-13 22:30:51,132 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 335#true, 91#L721-2true, 339#(= |#race~threads_alive~0| 0), 105#L698-7true, 333#true, 55#L698-1true, 342#true]) [2025-03-13 22:30:51,132 INFO L294 olderBase$Statistics]: this new event has 235 ancestors and is cut-off event [2025-03-13 22:30:51,132 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2025-03-13 22:30:51,132 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2025-03-13 22:30:51,132 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-13 22:30:51,388 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][166], [Black: 337#true, 59#L698-1true, 335#true, 91#L721-2true, 339#(= |#race~threads_alive~0| 0), 333#true, 55#L698-1true, 342#true]) [2025-03-13 22:30:51,388 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2025-03-13 22:30:51,388 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:30:51,388 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:30:51,388 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:30:51,607 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L729-5-->L729-2: Formula: (and (= |v_#pthreadsMutex_189| (store |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61| (store (select |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61|) |v_~#threads_alive_mutex~0.offset_61| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_190|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_189|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|, 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_61|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][224], [Black: 337#true, 335#true, 108#L729-2true, 339#(= |#race~threads_alive~0| 0), 237#L693true, 333#true, 163#L700true, 342#true]) [2025-03-13 22:30:51,607 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2025-03-13 22:30:51,607 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2025-03-13 22:30:51,607 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-13 22:30:51,607 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2025-03-13 22:30:51,607 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([867] L730-3-->L730: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57| (store (select |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57|) |v_~#threads_alive_mutex~0.offset_57| 0)) |v_#pthreadsMutex_181|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_182|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][225], [Black: 337#true, 335#true, 76#L730true, 339#(= |#race~threads_alive~0| 0), 237#L693true, 333#true, 163#L700true, 342#true]) [2025-03-13 22:30:51,608 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2025-03-13 22:30:51,608 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2025-03-13 22:30:51,608 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-13 22:30:51,608 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2025-03-13 22:30:51,910 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L729-5-->L729-2: Formula: (and (= |v_#pthreadsMutex_189| (store |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61| (store (select |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61|) |v_~#threads_alive_mutex~0.offset_61| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_190|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_189|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|, 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_61|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][224], [Black: 337#true, 190#L701true, 335#true, 339#(= |#race~threads_alive~0| 0), 108#L729-2true, 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:51,910 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2025-03-13 22:30:51,910 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:30:51,910 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:30:51,910 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:51,911 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([867] L730-3-->L730: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57| (store (select |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57|) |v_~#threads_alive_mutex~0.offset_57| 0)) |v_#pthreadsMutex_181|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_182|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][225], [Black: 337#true, 190#L701true, 335#true, 76#L730true, 339#(= |#race~threads_alive~0| 0), 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:51,911 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2025-03-13 22:30:51,911 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:30:51,911 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:30:51,911 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,120 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L729-5-->L729-2: Formula: (and (= |v_#pthreadsMutex_189| (store |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61| (store (select |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61|) |v_~#threads_alive_mutex~0.offset_61| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_190|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_189|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|, 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_61|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][224], [Black: 337#true, 262#L702-2true, 335#true, 339#(= |#race~threads_alive~0| 0), 108#L729-2true, 237#L693true, 333#true, 342#true]) [2025-03-13 22:30:52,120 INFO L294 olderBase$Statistics]: this new event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,120 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-13 22:30:52,120 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-13 22:30:52,120 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,120 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([867] L730-3-->L730: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57| (store (select |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57|) |v_~#threads_alive_mutex~0.offset_57| 0)) |v_#pthreadsMutex_181|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_182|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][225], [Black: 337#true, 262#L702-2true, 335#true, 76#L730true, 339#(= |#race~threads_alive~0| 0), 237#L693true, 333#true, 342#true]) [2025-03-13 22:30:52,120 INFO L294 olderBase$Statistics]: this new event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,120 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-13 22:30:52,120 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-13 22:30:52,120 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,447 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L729-5-->L729-2: Formula: (and (= |v_#pthreadsMutex_189| (store |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61| (store (select |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61|) |v_~#threads_alive_mutex~0.offset_61| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_190|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_189|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|, 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_61|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][224], [Black: 337#true, 335#true, 312#L703true, 339#(= |#race~threads_alive~0| 0), 108#L729-2true, 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:52,447 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2025-03-13 22:30:52,447 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,447 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,447 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L729-5-->L729-2: Formula: (and (= |v_#pthreadsMutex_189| (store |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61| (store (select |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61|) |v_~#threads_alive_mutex~0.offset_61| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_190|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_189|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][224], [Black: 337#true, 335#true, 266#L709true, 339#(= |#race~threads_alive~0| 0), 108#L729-2true, 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:52,448 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([867] L730-3-->L730: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57| (store (select |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57|) |v_~#threads_alive_mutex~0.offset_57| 0)) |v_#pthreadsMutex_181|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_182|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|, 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_57|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][225], [Black: 337#true, 76#L730true, 335#true, 312#L703true, 339#(= |#race~threads_alive~0| 0), 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:52,448 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([867] L730-3-->L730: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57| (store (select |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57|) |v_~#threads_alive_mutex~0.offset_57| 0)) |v_#pthreadsMutex_181|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_182|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][225], [Black: 337#true, 335#true, 76#L730true, 266#L709true, 339#(= |#race~threads_alive~0| 0), 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:52,448 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:52,448 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:30:52,678 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L729-5-->L729-2: Formula: (and (= |v_#pthreadsMutex_189| (store |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61| (store (select |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61|) |v_~#threads_alive_mutex~0.offset_61| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_190|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_189|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|, 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_61|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][224], [Black: 337#true, 335#true, 339#(= |#race~threads_alive~0| 0), 108#L729-2true, 267#L704true, 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:52,678 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2025-03-13 22:30:52,678 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,678 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2025-03-13 22:30:52,679 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,679 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([867] L730-3-->L730: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57| (store (select |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57|) |v_~#threads_alive_mutex~0.offset_57| 0)) |v_#pthreadsMutex_181|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_182|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][225], [Black: 337#true, 335#true, 76#L730true, 339#(= |#race~threads_alive~0| 0), 267#L704true, 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:52,679 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2025-03-13 22:30:52,679 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,679 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,679 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2025-03-13 22:30:52,681 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 59#L698-1true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true, 212#L698-7true]) [2025-03-13 22:30:52,681 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2025-03-13 22:30:52,681 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,681 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,681 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2025-03-13 22:30:52,683 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 335#true, 339#(= |#race~threads_alive~0| 0), 105#L698-7true, 333#true, 342#true, 55#L698-1true]) [2025-03-13 22:30:52,684 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2025-03-13 22:30:52,684 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,684 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:52,684 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:53,220 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][274], [34#L728-2true, Black: 337#true, 59#L698-1true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true, 55#L698-1true]) [2025-03-13 22:30:53,220 INFO L294 olderBase$Statistics]: this new event has 255 ancestors and is cut-off event [2025-03-13 22:30:53,220 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 22:30:53,221 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 22:30:53,221 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 22:30:53,631 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L729-5-->L729-2: Formula: (and (= |v_#pthreadsMutex_189| (store |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61| (store (select |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61|) |v_~#threads_alive_mutex~0.offset_61| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_190|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_189|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][224], [278#L706true, Black: 337#true, 335#true, 339#(= |#race~threads_alive~0| 0), 108#L729-2true, 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:53,631 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2025-03-13 22:30:53,631 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2025-03-13 22:30:53,631 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2025-03-13 22:30:53,631 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2025-03-13 22:30:53,631 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([867] L730-3-->L730: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57| (store (select |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57|) |v_~#threads_alive_mutex~0.offset_57| 0)) |v_#pthreadsMutex_181|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_182|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|, 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_57|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][225], [278#L706true, Black: 337#true, 335#true, 76#L730true, 339#(= |#race~threads_alive~0| 0), 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:53,631 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2025-03-13 22:30:53,631 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2025-03-13 22:30:53,631 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2025-03-13 22:30:53,631 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2025-03-13 22:30:53,769 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L729-5-->L729-2: Formula: (and (= |v_#pthreadsMutex_189| (store |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61| (store (select |v_#pthreadsMutex_190| |v_~#threads_alive_mutex~0.base_61|) |v_~#threads_alive_mutex~0.offset_61| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_190|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_189|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_61|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_61|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][224], [Black: 337#true, 335#true, 166#L707true, 339#(= |#race~threads_alive~0| 0), 108#L729-2true, 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:53,769 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2025-03-13 22:30:53,769 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2025-03-13 22:30:53,769 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2025-03-13 22:30:53,769 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2025-03-13 22:30:53,769 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([867] L730-3-->L730: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57| (store (select |v_#pthreadsMutex_182| |v_~#threads_alive_mutex~0.base_57|) |v_~#threads_alive_mutex~0.offset_57| 0)) |v_#pthreadsMutex_181|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_182|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_57|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_181|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_57|, 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_57|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][225], [Black: 337#true, 76#L730true, 335#true, 166#L707true, 339#(= |#race~threads_alive~0| 0), 333#true, 237#L693true, 342#true]) [2025-03-13 22:30:53,769 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2025-03-13 22:30:53,769 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2025-03-13 22:30:53,769 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2025-03-13 22:30:53,769 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2025-03-13 22:30:54,872 INFO L124 PetriNetUnfolderBase]: 18743/54628 cut-off events. [2025-03-13 22:30:54,872 INFO L125 PetriNetUnfolderBase]: For 2206/2362 co-relation queries the response was YES. [2025-03-13 22:30:54,998 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 693359 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. [2025-03-13 22:30:55,374 INFO L140 encePairwiseOnDemand]: 332/338 looper letters, 60 selfloop transitions, 5 changer transitions 0/372 dead transitions. [2025-03-13 22:30:55,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 372 transitions, 992 flow [2025-03-13 22:30:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:30:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:30:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2025-03-13 22:30:55,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9289940828402367 [2025-03-13 22:30:55,377 INFO L175 Difference]: Start difference. First operand has 338 places, 348 transitions, 814 flow. Second operand 3 states and 942 transitions. [2025-03-13 22:30:55,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 372 transitions, 992 flow [2025-03-13 22:30:55,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 372 transitions, 960 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:30:55,401 INFO L231 Difference]: Finished difference. Result has 339 places, 352 transitions, 820 flow [2025-03-13 22:30:55,402 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, 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} [2025-03-13 22:30:55,403 INFO L279 CegarLoopForPetriNet]: 334 programPoint places, 5 predicate places. [2025-03-13 22:30:55,404 INFO L471 AbstractCegarLoop]: Abstraction has has 339 places, 352 transitions, 820 flow [2025-03-13 22:30:55,404 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) [2025-03-13 22:30:55,404 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:30:55,405 INFO L206 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] [2025-03-13 22:30:55,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:30:55,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-13 22:30:55,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:30:55,405 INFO L85 PathProgramCache]: Analyzing trace with hash -247958124, now seen corresponding path program 1 times [2025-03-13 22:30:55,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:30:55,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979162043] [2025-03-13 22:30:55,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:30:55,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:30:55,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-13 22:30:55,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-13 22:30:55,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:30:55,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:30:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:30:55,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:30:55,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979162043] [2025-03-13 22:30:55,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979162043] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:30:55,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:30:55,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:30:55,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746345124] [2025-03-13 22:30:55,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:30:55,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:30:55,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:30:55,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:30:55,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:30:55,520 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 338 [2025-03-13 22:30:55,521 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) [2025-03-13 22:30:55,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:30:55,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 338 [2025-03-13 22:30:55,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:30:55,786 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][268], [4#L694-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:55,786 INFO L294 olderBase$Statistics]: this new event has 210 ancestors and is cut-off event [2025-03-13 22:30:55,786 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2025-03-13 22:30:55,786 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2025-03-13 22:30:55,786 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2025-03-13 22:30:55,876 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 347#true, 107#L696-3true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:55,877 INFO L294 olderBase$Statistics]: this new event has 212 ancestors and is cut-off event [2025-03-13 22:30:55,877 INFO L297 olderBase$Statistics]: existing Event has 207 ancestors and is cut-off event [2025-03-13 22:30:55,877 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is cut-off event [2025-03-13 22:30:55,877 INFO L297 olderBase$Statistics]: existing Event has 207 ancestors and is cut-off event [2025-03-13 22:30:55,906 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 91#L721-2true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:55,906 INFO L294 olderBase$Statistics]: this new event has 213 ancestors and is cut-off event [2025-03-13 22:30:55,906 INFO L297 olderBase$Statistics]: existing Event has 208 ancestors and is cut-off event [2025-03-13 22:30:55,906 INFO L297 olderBase$Statistics]: existing Event has 213 ancestors and is cut-off event [2025-03-13 22:30:55,907 INFO L297 olderBase$Statistics]: existing Event has 208 ancestors and is cut-off event [2025-03-13 22:30:55,969 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 48#L697true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:55,969 INFO L294 olderBase$Statistics]: this new event has 215 ancestors and is cut-off event [2025-03-13 22:30:55,970 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2025-03-13 22:30:55,970 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2025-03-13 22:30:55,970 INFO L297 olderBase$Statistics]: existing Event has 215 ancestors and is cut-off event [2025-03-13 22:30:56,275 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][268], [4#L694-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 333#true, 212#L698-7true, 342#true]) [2025-03-13 22:30:56,275 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2025-03-13 22:30:56,275 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:30:56,275 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:30:56,275 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:30:56,626 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 347#true, 107#L696-3true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 333#true, 342#true, 212#L698-7true]) [2025-03-13 22:30:56,626 INFO L294 olderBase$Statistics]: this new event has 225 ancestors and is cut-off event [2025-03-13 22:30:56,626 INFO L297 olderBase$Statistics]: existing Event has 220 ancestors and is cut-off event [2025-03-13 22:30:56,626 INFO L297 olderBase$Statistics]: existing Event has 220 ancestors and is cut-off event [2025-03-13 22:30:56,626 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 22:30:56,703 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 91#L721-2true, 333#true, 342#true, 212#L698-7true]) [2025-03-13 22:30:56,703 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2025-03-13 22:30:56,703 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 22:30:56,703 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 22:30:56,703 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2025-03-13 22:30:56,734 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][314], [34#L728-2true, 4#L694-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:56,734 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2025-03-13 22:30:56,734 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 22:30:56,734 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2025-03-13 22:30:56,734 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 22:30:56,817 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, 107#L696-3true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:56,817 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2025-03-13 22:30:56,817 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:30:56,817 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 22:30:56,817 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:30:56,874 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 48#L697true, 333#true, 342#true, 212#L698-7true]) [2025-03-13 22:30:56,875 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2025-03-13 22:30:56,875 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 22:30:56,875 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:30:56,875 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:30:56,912 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:56,912 INFO L294 olderBase$Statistics]: this new event has 229 ancestors and is cut-off event [2025-03-13 22:30:56,912 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2025-03-13 22:30:56,912 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-13 22:30:56,912 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2025-03-13 22:30:56,914 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, 107#L696-3true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:56,914 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2025-03-13 22:30:56,914 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:30:56,914 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 22:30:56,914 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 22:30:56,914 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:30:57,001 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:57,001 INFO L294 olderBase$Statistics]: this new event has 229 ancestors and is cut-off event [2025-03-13 22:30:57,001 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2025-03-13 22:30:57,001 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-13 22:30:57,001 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-13 22:30:57,001 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2025-03-13 22:30:57,093 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 48#L697true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:57,094 INFO L294 olderBase$Statistics]: this new event has 231 ancestors and is cut-off event [2025-03-13 22:30:57,094 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2025-03-13 22:30:57,094 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2025-03-13 22:30:57,094 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2025-03-13 22:30:57,185 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 48#L697true, 82#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:57,186 INFO L294 olderBase$Statistics]: this new event has 231 ancestors and is cut-off event [2025-03-13 22:30:57,186 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2025-03-13 22:30:57,186 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2025-03-13 22:30:57,186 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2025-03-13 22:30:57,186 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2025-03-13 22:30:57,444 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 82#L694-7true, 105#L698-7true, 333#true, 342#true]) [2025-03-13 22:30:57,444 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-13 22:30:57,444 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-13 22:30:57,445 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:30:57,445 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:30:58,153 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, 107#L696-3true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 333#true, 212#L698-7true, 342#true]) [2025-03-13 22:30:58,153 INFO L294 olderBase$Statistics]: this new event has 241 ancestors and is cut-off event [2025-03-13 22:30:58,153 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2025-03-13 22:30:58,153 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-13 22:30:58,153 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2025-03-13 22:30:58,231 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 328#L696true, 333#true, 212#L698-7true, 342#true]) [2025-03-13 22:30:58,232 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2025-03-13 22:30:58,232 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2025-03-13 22:30:58,232 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2025-03-13 22:30:58,232 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-13 22:30:58,401 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 48#L697true, 333#true, 212#L698-7true, 342#true]) [2025-03-13 22:30:58,401 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2025-03-13 22:30:58,401 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:58,401 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:30:58,401 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:30:59,131 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 103#L703true, 226#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:59,131 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2025-03-13 22:30:59,131 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:30:59,131 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:59,131 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:30:59,131 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, 347#true, Black: 337#true, 283#L709true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 226#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:59,131 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2025-03-13 22:30:59,131 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:30:59,131 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:30:59,131 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:30:59,292 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, 347#true, Black: 337#true, 143#L704true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 226#L694-7true, 333#true, 342#true]) [2025-03-13 22:30:59,293 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2025-03-13 22:30:59,293 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:30:59,293 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2025-03-13 22:30:59,293 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2025-03-13 22:31:00,182 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, 8#L706true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 226#L694-7true, 333#true, 342#true]) [2025-03-13 22:31:00,182 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2025-03-13 22:31:00,182 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2025-03-13 22:31:00,182 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2025-03-13 22:31:00,182 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2025-03-13 22:31:00,299 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [34#L728-2true, 347#true, Black: 337#true, 141#L707true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 226#L694-7true, 333#true, 342#true]) [2025-03-13 22:31:00,299 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2025-03-13 22:31:00,299 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2025-03-13 22:31:00,299 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2025-03-13 22:31:00,299 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2025-03-13 22:31:01,474 INFO L124 PetriNetUnfolderBase]: 21316/60783 cut-off events. [2025-03-13 22:31:01,474 INFO L125 PetriNetUnfolderBase]: For 6984/7441 co-relation queries the response was YES. [2025-03-13 22:31:01,613 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 1276. Compared 767041 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. [2025-03-13 22:31:01,813 INFO L140 encePairwiseOnDemand]: 328/338 looper letters, 75 selfloop transitions, 16 changer transitions 0/387 dead transitions. [2025-03-13 22:31:01,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 387 transitions, 1101 flow [2025-03-13 22:31:01,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2025-03-13 22:31:01,816 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9240631163708086 [2025-03-13 22:31:01,816 INFO L175 Difference]: Start difference. First operand has 339 places, 352 transitions, 820 flow. Second operand 3 states and 937 transitions. [2025-03-13 22:31:01,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 387 transitions, 1101 flow [2025-03-13 22:31:01,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 387 transitions, 1091 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:31:01,849 INFO L231 Difference]: Finished difference. Result has 341 places, 366 transitions, 956 flow [2025-03-13 22:31:01,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, 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} [2025-03-13 22:31:01,849 INFO L279 CegarLoopForPetriNet]: 334 programPoint places, 7 predicate places. [2025-03-13 22:31:01,850 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 366 transitions, 956 flow [2025-03-13 22:31:01,850 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) [2025-03-13 22:31:01,850 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:01,850 INFO L206 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] [2025-03-13 22:31:01,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:31:01,851 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-13 22:31:01,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:01,851 INFO L85 PathProgramCache]: Analyzing trace with hash 175110198, now seen corresponding path program 1 times [2025-03-13 22:31:01,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:01,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772378260] [2025-03-13 22:31:01,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:01,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:01,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-13 22:31:01,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-13 22:31:01,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:01,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:01,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:01,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772378260] [2025-03-13 22:31:01,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772378260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:01,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:01,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:01,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156488661] [2025-03-13 22:31:01,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:01,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:01,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:01,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:01,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:01,928 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 338 [2025-03-13 22:31:01,930 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) [2025-03-13 22:31:01,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:01,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 338 [2025-03-13 22:31:01,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:02,219 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][260], [4#L694-2true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 352#true, 82#L694-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:02,220 INFO L294 olderBase$Statistics]: this new event has 210 ancestors and is cut-off event [2025-03-13 22:31:02,220 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2025-03-13 22:31:02,220 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2025-03-13 22:31:02,220 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2025-03-13 22:31:02,322 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [347#true, Black: 337#true, 107#L696-3true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 352#true, 91#L721-2true, 82#L694-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:02,323 INFO L294 olderBase$Statistics]: this new event has 212 ancestors and is cut-off event [2025-03-13 22:31:02,323 INFO L297 olderBase$Statistics]: existing Event has 207 ancestors and is cut-off event [2025-03-13 22:31:02,323 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is cut-off event [2025-03-13 22:31:02,323 INFO L297 olderBase$Statistics]: existing Event has 207 ancestors and is cut-off event [2025-03-13 22:31:02,776 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1049] L698-8-->L698-6: Formula: (= |v_#race~threads_alive~0_12| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_12|} AuxVars[] AssignedVars[#race~threads_alive~0][338], [4#L694-2true, 347#true, Black: 337#true, 231#L721-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 352#true, 52#L698-6true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:02,776 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,776 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:31:02,776 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:31:02,776 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,815 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][260], [4#L694-2true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 352#true, 91#L721-2true, 52#L698-6true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:02,815 INFO L294 olderBase$Statistics]: this new event has 222 ancestors and is cut-off event [2025-03-13 22:31:02,815 INFO L297 olderBase$Statistics]: existing Event has 217 ancestors and is cut-off event [2025-03-13 22:31:02,815 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2025-03-13 22:31:02,815 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][260], [4#L694-2true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 352#true, 91#L721-2true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 212#L698-7true]) [2025-03-13 22:31:02,816 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][260], [4#L694-2true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 212#L698-7true]) [2025-03-13 22:31:02,816 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,816 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:31:02,890 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 352#true, 333#true, 142#threadErr4ASSERT_VIOLATIONDATA_RACEtrue, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 212#L698-7true]) [2025-03-13 22:31:02,890 INFO L294 olderBase$Statistics]: this new event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,890 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,890 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 22:31:02,890 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:02,901 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [347#true, Black: 337#true, 107#L696-3true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 352#true, 91#L721-2true, 333#true, 212#L698-7true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:02,901 INFO L294 olderBase$Statistics]: this new event has 225 ancestors and is cut-off event [2025-03-13 22:31:02,901 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 22:31:02,901 INFO L297 olderBase$Statistics]: existing Event has 220 ancestors and is cut-off event [2025-03-13 22:31:02,901 INFO L297 olderBase$Statistics]: existing Event has 220 ancestors and is cut-off event [2025-03-13 22:31:02,920 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][304], [34#L728-2true, 4#L694-2true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 82#L694-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:02,920 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2025-03-13 22:31:02,920 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 22:31:02,920 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2025-03-13 22:31:02,920 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 22:31:02,921 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1034] L694-8-->L694-6: Formula: (= |v_#race~threads_alive~0_18| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_18|} AuxVars[] AssignedVars[#race~threads_alive~0][302], [4#L694-2true, 227#L728-1true, 347#true, Black: 337#true, 32#L694-6true, 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|)]) [2025-03-13 22:31:02,921 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2025-03-13 22:31:02,921 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 22:31:02,921 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 22:31:02,921 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2025-03-13 22:31:03,060 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1034] L694-8-->L694-6: Formula: (= |v_#race~threads_alive~0_18| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_18|} AuxVars[] AssignedVars[#race~threads_alive~0][232], [227#L728-1true, 347#true, Black: 337#true, 32#L694-6true, 107#L696-3true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:03,060 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2025-03-13 22:31:03,060 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:03,060 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 22:31:03,060 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:03,060 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][213], [34#L728-2true, 347#true, Black: 337#true, 107#L696-3true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 82#L694-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:03,060 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is cut-off event [2025-03-13 22:31:03,060 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:03,060 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 22:31:03,060 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 22:31:03,495 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1049] L698-8-->L698-6: Formula: (= |v_#race~threads_alive~0_12| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_12|} AuxVars[] AssignedVars[#race~threads_alive~0][338], [4#L694-2true, 227#L728-1true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 352#true, 52#L698-6true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:03,495 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,495 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,495 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,495 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,592 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [265#L698-6true, Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 352#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 55#L698-1true]) [2025-03-13 22:31:03,592 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,592 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-13 22:31:03,592 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,592 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,651 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][183], [Black: 337#true, 347#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 91#L721-2true, 352#true, 105#L698-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 55#L698-1true]) [2025-03-13 22:31:03,652 INFO L294 olderBase$Statistics]: this new event has 235 ancestors and is cut-off event [2025-03-13 22:31:03,652 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2025-03-13 22:31:03,652 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-13 22:31:03,652 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2025-03-13 22:31:03,730 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1049] L698-8-->L698-6: Formula: (= |v_#race~threads_alive~0_12| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_12|} AuxVars[] AssignedVars[#race~threads_alive~0][287], [227#L728-1true, 347#true, Black: 337#true, 107#L696-3true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 52#L698-6true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:03,730 INFO L294 olderBase$Statistics]: this new event has 236 ancestors and is cut-off event [2025-03-13 22:31:03,730 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2025-03-13 22:31:03,730 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2025-03-13 22:31:03,730 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2025-03-13 22:31:03,802 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][304], [34#L728-2true, 4#L694-2true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 52#L698-6true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:03,803 INFO L294 olderBase$Statistics]: this new event has 238 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][213], [34#L728-2true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, 142#threadErr4ASSERT_VIOLATIONDATA_RACEtrue, 212#L698-7true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:03,803 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][304], [34#L728-2true, 4#L694-2true, 347#true, Black: 337#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, 212#L698-7true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:03,803 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,803 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,804 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][304], [34#L728-2true, 4#L694-2true, 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|), 212#L698-7true]) [2025-03-13 22:31:03,804 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2025-03-13 22:31:03,804 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,804 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,804 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,804 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:31:03,926 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([779] L721-->L721-2: Formula: (= 0 |v_#race~threads_alive~0_6|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_6|} AuxVars[] AssignedVars[#race~threads_alive~0][166], [Black: 337#true, 347#true, 59#L698-1true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 352#true, 91#L721-2true, 333#true, 55#L698-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:03,926 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2025-03-13 22:31:03,926 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:31:03,926 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 22:31:03,926 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2025-03-13 22:31:04,998 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][213], [34#L728-2true, Black: 337#true, 347#true, 59#L698-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, 212#L698-7true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:04,998 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2025-03-13 22:31:04,998 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2025-03-13 22:31:04,998 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:31:04,998 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:31:05,000 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][213], [34#L728-2true, Black: 337#true, 347#true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 105#L698-7true, 333#true, 55#L698-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:05,000 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2025-03-13 22:31:05,000 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:31:05,000 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:31:05,001 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:31:05,490 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][312], [34#L728-2true, Black: 337#true, 347#true, 59#L698-1true, 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 333#true, 55#L698-1true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:05,491 INFO L294 olderBase$Statistics]: this new event has 255 ancestors and is cut-off event [2025-03-13 22:31:05,491 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 22:31:05,491 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 22:31:05,491 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 22:31:08,490 INFO L124 PetriNetUnfolderBase]: 19635/62520 cut-off events. [2025-03-13 22:31:08,491 INFO L125 PetriNetUnfolderBase]: For 5672/6287 co-relation queries the response was YES. [2025-03-13 22:31:08,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103666 conditions, 62520 events. 19635/62520 cut-off events. For 5672/6287 co-relation queries the response was YES. Maximal size of possible extension queue 1282. Compared 825429 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. [2025-03-13 22:31:08,851 INFO L140 encePairwiseOnDemand]: 333/338 looper letters, 56 selfloop transitions, 4 changer transitions 0/389 dead transitions. [2025-03-13 22:31:08,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 389 transitions, 1122 flow [2025-03-13 22:31:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:08,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:08,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 949 transitions. [2025-03-13 22:31:08,852 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9358974358974359 [2025-03-13 22:31:08,853 INFO L175 Difference]: Start difference. First operand has 341 places, 366 transitions, 956 flow. Second operand 3 states and 949 transitions. [2025-03-13 22:31:08,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 389 transitions, 1122 flow [2025-03-13 22:31:08,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 389 transitions, 1090 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:31:08,870 INFO L231 Difference]: Finished difference. Result has 343 places, 369 transitions, 954 flow [2025-03-13 22:31:08,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, 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} [2025-03-13 22:31:08,871 INFO L279 CegarLoopForPetriNet]: 334 programPoint places, 9 predicate places. [2025-03-13 22:31:08,871 INFO L471 AbstractCegarLoop]: Abstraction has has 343 places, 369 transitions, 954 flow [2025-03-13 22:31:08,872 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) [2025-03-13 22:31:08,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:08,872 INFO L206 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] [2025-03-13 22:31:08,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:31:08,872 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-13 22:31:08,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:08,873 INFO L85 PathProgramCache]: Analyzing trace with hash -786905852, now seen corresponding path program 1 times [2025-03-13 22:31:08,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:08,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017193109] [2025-03-13 22:31:08,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:08,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:08,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-13 22:31:08,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-13 22:31:08,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:08,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:09,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:09,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017193109] [2025-03-13 22:31:09,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017193109] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:09,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:09,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:31:09,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906049240] [2025-03-13 22:31:09,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:09,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:09,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:09,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:09,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:09,083 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 338 [2025-03-13 22:31:09,085 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) [2025-03-13 22:31:09,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:09,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 338 [2025-03-13 22:31:09,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:10,722 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][265], [34#L728-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 312#L703true, 352#true, 325#L694-1true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:10,722 INFO L294 olderBase$Statistics]: this new event has 253 ancestors and is cut-off event [2025-03-13 22:31:10,722 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2025-03-13 22:31:10,722 INFO L297 olderBase$Statistics]: existing Event has 248 ancestors and is cut-off event [2025-03-13 22:31:10,722 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2025-03-13 22:31:10,722 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][265], [34#L728-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 325#L694-1true, 266#L709true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:10,722 INFO L294 olderBase$Statistics]: this new event has 253 ancestors and is cut-off event [2025-03-13 22:31:10,722 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2025-03-13 22:31:10,722 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2025-03-13 22:31:10,722 INFO L297 olderBase$Statistics]: existing Event has 248 ancestors and is cut-off event [2025-03-13 22:31:10,862 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][265], [34#L728-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 352#true, 325#L694-1true, 267#L704true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:10,863 INFO L294 olderBase$Statistics]: this new event has 255 ancestors and is cut-off event [2025-03-13 22:31:10,863 INFO L297 olderBase$Statistics]: existing Event has 255 ancestors and is cut-off event [2025-03-13 22:31:10,863 INFO L297 olderBase$Statistics]: existing Event has 255 ancestors and is cut-off event [2025-03-13 22:31:10,863 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 22:31:13,669 INFO L124 PetriNetUnfolderBase]: 11213/44180 cut-off events. [2025-03-13 22:31:13,669 INFO L125 PetriNetUnfolderBase]: For 2869/3173 co-relation queries the response was YES. [2025-03-13 22:31:13,982 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 1096. Compared 597166 event pairs, 3465 based on Foata normal form. 635/40180 useless extension candidates. Maximal degree in co-relation 60389. Up to 11762 conditions per place. [2025-03-13 22:31:14,082 INFO L140 encePairwiseOnDemand]: 315/338 looper letters, 33 selfloop transitions, 23 changer transitions 0/392 dead transitions. [2025-03-13 22:31:14,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 392 transitions, 1117 flow [2025-03-13 22:31:14,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2025-03-13 22:31:14,084 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9506903353057199 [2025-03-13 22:31:14,084 INFO L175 Difference]: Start difference. First operand has 343 places, 369 transitions, 954 flow. Second operand 3 states and 964 transitions. [2025-03-13 22:31:14,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 392 transitions, 1117 flow [2025-03-13 22:31:14,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 392 transitions, 1109 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:31:14,110 INFO L231 Difference]: Finished difference. Result has 344 places, 384 transitions, 1075 flow [2025-03-13 22:31:14,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, 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} [2025-03-13 22:31:14,111 INFO L279 CegarLoopForPetriNet]: 334 programPoint places, 10 predicate places. [2025-03-13 22:31:14,111 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 384 transitions, 1075 flow [2025-03-13 22:31:14,111 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) [2025-03-13 22:31:14,111 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:14,112 INFO L206 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] [2025-03-13 22:31:14,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-13 22:31:14,112 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-13 22:31:14,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash -936716180, now seen corresponding path program 1 times [2025-03-13 22:31:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:14,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915988145] [2025-03-13 22:31:14,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:14,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-13 22:31:14,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-13 22:31:14,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:14,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:14,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:14,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915988145] [2025-03-13 22:31:14,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915988145] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:14,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:14,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:14,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024068591] [2025-03-13 22:31:14,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:14,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:14,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:14,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:14,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:14,206 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 338 [2025-03-13 22:31:14,207 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) [2025-03-13 22:31:14,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:14,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 338 [2025-03-13 22:31:14,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:16,035 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [34#L728-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 312#L703true, 335#true, 82#L694-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:16,035 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2025-03-13 22:31:16,035 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:31:16,035 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:31:16,036 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:31:16,036 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [34#L728-2true, 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), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 266#L709true, 82#L694-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:16,036 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2025-03-13 22:31:16,036 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:31:16,036 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2025-03-13 22:31:16,036 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2025-03-13 22:31:16,222 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [34#L728-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 82#L694-7true, 267#L704true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:16,222 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2025-03-13 22:31:16,222 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:31:16,222 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2025-03-13 22:31:16,222 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2025-03-13 22:31:17,722 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [278#L706true, 34#L728-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, Black: 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 357#true, 82#L694-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:17,722 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2025-03-13 22:31:17,722 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2025-03-13 22:31:17,722 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2025-03-13 22:31:17,722 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2025-03-13 22:31:17,878 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [34#L728-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 312#L703true, 335#true, 333#true, 212#L698-7true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:17,879 INFO L294 olderBase$Statistics]: this new event has 262 ancestors and is cut-off event [2025-03-13 22:31:17,879 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2025-03-13 22:31:17,879 INFO L297 olderBase$Statistics]: existing Event has 262 ancestors and is cut-off event [2025-03-13 22:31:17,879 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2025-03-13 22:31:17,879 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [34#L728-2true, 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), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 266#L709true, 333#true, 212#L698-7true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:17,879 INFO L294 olderBase$Statistics]: this new event has 262 ancestors and is cut-off event [2025-03-13 22:31:17,879 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2025-03-13 22:31:17,879 INFO L297 olderBase$Statistics]: existing Event has 262 ancestors and is cut-off event [2025-03-13 22:31:17,879 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2025-03-13 22:31:18,049 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [34#L728-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, Black: 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 166#L707true, 357#true, 82#L694-7true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:18,049 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2025-03-13 22:31:18,049 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2025-03-13 22:31:18,049 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2025-03-13 22:31:18,049 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2025-03-13 22:31:18,208 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][212], [34#L728-2true, 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), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 267#L704true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 212#L698-7true]) [2025-03-13 22:31:18,208 INFO L294 olderBase$Statistics]: this new event has 264 ancestors and is cut-off event [2025-03-13 22:31:18,208 INFO L297 olderBase$Statistics]: existing Event has 264 ancestors and is cut-off event [2025-03-13 22:31:18,208 INFO L297 olderBase$Statistics]: existing Event has 259 ancestors and is cut-off event [2025-03-13 22:31:18,208 INFO L297 olderBase$Statistics]: existing Event has 259 ancestors and is cut-off event [2025-03-13 22:31:18,415 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][310], [34#L728-2true, 4#L694-2true, 8#L706true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, Black: 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 335#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 357#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:18,415 INFO L294 olderBase$Statistics]: this new event has 266 ancestors and is cut-off event [2025-03-13 22:31:18,415 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2025-03-13 22:31:18,415 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2025-03-13 22:31:18,415 INFO L297 olderBase$Statistics]: existing Event has 266 ancestors and is cut-off event [2025-03-13 22:31:18,617 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][310], [34#L728-2true, 4#L694-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, Black: 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 103#L703true, 357#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:18,617 INFO L294 olderBase$Statistics]: this new event has 268 ancestors and is cut-off event [2025-03-13 22:31:18,617 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-13 22:31:18,617 INFO L297 olderBase$Statistics]: existing Event has 268 ancestors and is cut-off event [2025-03-13 22:31:18,617 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-13 22:31:18,618 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([761] L728-->L728-2: Formula: (= 0 |v_#race~threads_alive~0_3|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_3|} AuxVars[] AssignedVars[#race~threads_alive~0][310], [34#L728-2true, 4#L694-2true, Black: 354#(= |#race~data~0| 0), Black: 337#true, 361#true, 283#L709true, Black: 359#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 357#true, 333#true, Black: 349#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2025-03-13 22:31:18,618 INFO L294 olderBase$Statistics]: this new event has 268 ancestors and is cut-off event [2025-03-13 22:31:18,618 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-13 22:31:18,618 INFO L297 olderBase$Statistics]: existing Event has 268 ancestors and is cut-off event [2025-03-13 22:31:18,618 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event