./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 645ee85d2a671dd1acf511bbf13e9e3bda7e0b5cc29e8abc16fb4ed3af500077 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:19:36,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:19:36,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:19:36,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:19:36,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:19:36,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:19:36,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:19:36,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:19:36,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:19:36,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:19:36,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:19:36,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:19:36,884 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:19:36,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:19:36,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:19:36,884 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:19:36,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:19:36,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:19:36,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:19:36,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:19:36,885 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:19:36,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:19:36,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:19:36,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:19:36,887 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-jdk21/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 -> 645ee85d2a671dd1acf511bbf13e9e3bda7e0b5cc29e8abc16fb4ed3af500077 [2025-02-06 09:19:37,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:19:37,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:19:37,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:19:37,095 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:19:37,095 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:19:37,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2025-02-06 09:19:38,242 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/701697395/ac9c693be43e4d47b538be9cc0f5e1f5/FLAG83a69dfc9 [2025-02-06 09:19:38,602 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:19:38,603 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2025-02-06 09:19:38,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/701697395/ac9c693be43e4d47b538be9cc0f5e1f5/FLAG83a69dfc9 [2025-02-06 09:19:38,817 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/701697395/ac9c693be43e4d47b538be9cc0f5e1f5 [2025-02-06 09:19:38,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:19:38,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:19:38,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:19:38,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:19:38,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:19:38,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:19:38" (1/1) ... [2025-02-06 09:19:38,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235e7df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:38, skipping insertion in model container [2025-02-06 09:19:38,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:19:38" (1/1) ... [2025-02-06 09:19:38,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:19:39,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:19:39,065 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:19:39,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:19:39,127 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:19:39,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39 WrapperNode [2025-02-06 09:19:39,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:19:39,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:19:39,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:19:39,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:19:39,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,151 INFO L138 Inliner]: procedures = 171, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 107 [2025-02-06 09:19:39,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:19:39,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:19:39,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:19:39,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:19:39,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:19:39,165 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:19:39,165 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:19:39,165 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:19:39,166 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (1/1) ... [2025-02-06 09:19:39,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:19:39,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:19:39,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:19:39,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:19:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2025-02-06 09:19:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2025-02-06 09:19:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-06 09:19:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-06 09:19:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 09:19:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:19:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:19:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 09:19:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:19:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:19:39,207 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:19:39,279 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:19:39,280 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:19:39,405 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:19:39,406 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:19:39,417 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:19:39,418 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:19:39,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:19:39 BoogieIcfgContainer [2025-02-06 09:19:39,418 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:19:39,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:19:39,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:19:39,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:19:39,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:19:38" (1/3) ... [2025-02-06 09:19:39,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1042141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:19:39, skipping insertion in model container [2025-02-06 09:19:39,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:19:39" (2/3) ... [2025-02-06 09:19:39,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1042141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:19:39, skipping insertion in model container [2025-02-06 09:19:39,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:19:39" (3/3) ... [2025-02-06 09:19:39,424 INFO L128 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2025-02-06 09:19:39,433 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:19:39,434 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG nondet-loop-bound-variant-1.i that has 3 procedures, 131 locations, 1 initial locations, 1 loop locations, and 10 error locations. [2025-02-06 09:19:39,434 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:19:39,481 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:19:39,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 138 transitions, 284 flow [2025-02-06 09:19:39,544 INFO L124 PetriNetUnfolderBase]: 8/152 cut-off events. [2025-02-06 09:19:39,546 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:19:39,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 152 events. 8/152 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 205 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 99. Up to 4 conditions per place. [2025-02-06 09:19:39,549 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 138 transitions, 284 flow [2025-02-06 09:19:39,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 137 transitions, 281 flow [2025-02-06 09:19:39,557 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:19:39,564 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;@650b1b67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:19:39,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-02-06 09:19:39,569 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:19:39,570 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-02-06 09:19:39,570 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:19:39,570 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:39,570 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] [2025-02-06 09:19:39,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2025-02-06 09:19:39,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash -197092629, now seen corresponding path program 1 times [2025-02-06 09:19:39,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:39,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979813058] [2025-02-06 09:19:39,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:39,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:39,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 09:19:39,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 09:19:39,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:39,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:39,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:39,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979813058] [2025-02-06 09:19:39,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979813058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:39,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:39,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:39,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23624267] [2025-02-06 09:19:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:39,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:39,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:39,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:39,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:39,819 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 138 [2025-02-06 09:19:39,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 137 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 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) [2025-02-06 09:19:39,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:39,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 138 [2025-02-06 09:19:39,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:39,908 INFO L124 PetriNetUnfolderBase]: 23/314 cut-off events. [2025-02-06 09:19:39,908 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:19:39,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 314 events. 23/314 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1263 event pairs, 19 based on Foata normal form. 38/300 useless extension candidates. Maximal degree in co-relation 304. Up to 47 conditions per place. [2025-02-06 09:19:39,915 INFO L140 encePairwiseOnDemand]: 130/138 looper letters, 11 selfloop transitions, 2 changer transitions 1/129 dead transitions. [2025-02-06 09:19:39,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 129 transitions, 291 flow [2025-02-06 09:19:39,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2025-02-06 09:19:39,928 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9009661835748792 [2025-02-06 09:19:39,930 INFO L175 Difference]: Start difference. First operand has 136 places, 137 transitions, 281 flow. Second operand 3 states and 373 transitions. [2025-02-06 09:19:39,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 129 transitions, 291 flow [2025-02-06 09:19:39,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 129 transitions, 290 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:19:39,938 INFO L231 Difference]: Finished difference. Result has 134 places, 128 transitions, 266 flow [2025-02-06 09:19:39,941 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=134, PETRI_TRANSITIONS=128} [2025-02-06 09:19:39,944 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -2 predicate places. [2025-02-06 09:19:39,946 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 128 transitions, 266 flow [2025-02-06 09:19:39,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 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) [2025-02-06 09:19:39,946 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:39,946 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] [2025-02-06 09:19:39,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:19:39,947 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2025-02-06 09:19:39,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:39,947 INFO L85 PathProgramCache]: Analyzing trace with hash 113172054, now seen corresponding path program 1 times [2025-02-06 09:19:39,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:39,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692563806] [2025-02-06 09:19:39,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:39,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:39,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 09:19:39,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 09:19:39,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:39,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:40,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:40,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692563806] [2025-02-06 09:19:40,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692563806] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:40,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:40,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:40,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372130691] [2025-02-06 09:19:40,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:40,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:40,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:40,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:40,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:40,080 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 138 [2025-02-06 09:19:40,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 128 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2025-02-06 09:19:40,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:40,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 138 [2025-02-06 09:19:40,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:40,144 INFO L124 PetriNetUnfolderBase]: 28/394 cut-off events. [2025-02-06 09:19:40,144 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:19:40,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 394 events. 28/394 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1720 event pairs, 26 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 436. Up to 62 conditions per place. [2025-02-06 09:19:40,148 INFO L140 encePairwiseOnDemand]: 135/138 looper letters, 13 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2025-02-06 09:19:40,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 127 transitions, 294 flow [2025-02-06 09:19:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2025-02-06 09:19:40,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8792270531400966 [2025-02-06 09:19:40,151 INFO L175 Difference]: Start difference. First operand has 134 places, 128 transitions, 266 flow. Second operand 3 states and 364 transitions. [2025-02-06 09:19:40,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 127 transitions, 294 flow [2025-02-06 09:19:40,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 127 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:40,155 INFO L231 Difference]: Finished difference. Result has 132 places, 127 transitions, 264 flow [2025-02-06 09:19:40,155 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=132, PETRI_TRANSITIONS=127} [2025-02-06 09:19:40,156 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -4 predicate places. [2025-02-06 09:19:40,156 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 127 transitions, 264 flow [2025-02-06 09:19:40,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2025-02-06 09:19:40,157 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:40,157 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] [2025-02-06 09:19:40,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:19:40,157 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2025-02-06 09:19:40,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:40,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1253749340, now seen corresponding path program 1 times [2025-02-06 09:19:40,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:40,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382666873] [2025-02-06 09:19:40,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:40,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:40,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 09:19:40,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 09:19:40,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:40,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:40,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:40,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382666873] [2025-02-06 09:19:40,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382666873] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:40,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:40,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:40,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975085105] [2025-02-06 09:19:40,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:40,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:40,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:40,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:40,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:40,240 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-02-06 09:19:40,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 127 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2025-02-06 09:19:40,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:40,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-02-06 09:19:40,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:40,288 INFO L124 PetriNetUnfolderBase]: 68/518 cut-off events. [2025-02-06 09:19:40,288 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:19:40,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 518 events. 68/518 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2764 event pairs, 58 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 609. Up to 116 conditions per place. [2025-02-06 09:19:40,291 INFO L140 encePairwiseOnDemand]: 132/138 looper letters, 14 selfloop transitions, 1 changer transitions 0/122 dead transitions. [2025-02-06 09:19:40,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 122 transitions, 284 flow [2025-02-06 09:19:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2025-02-06 09:19:40,292 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8599033816425121 [2025-02-06 09:19:40,293 INFO L175 Difference]: Start difference. First operand has 132 places, 127 transitions, 264 flow. Second operand 3 states and 356 transitions. [2025-02-06 09:19:40,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 122 transitions, 284 flow [2025-02-06 09:19:40,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 122 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:40,295 INFO L231 Difference]: Finished difference. Result has 127 places, 122 transitions, 252 flow [2025-02-06 09:19:40,295 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=127, PETRI_TRANSITIONS=122} [2025-02-06 09:19:40,295 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -9 predicate places. [2025-02-06 09:19:40,295 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 122 transitions, 252 flow [2025-02-06 09:19:40,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2025-02-06 09:19:40,296 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:40,296 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] [2025-02-06 09:19:40,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:19:40,296 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2025-02-06 09:19:40,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:40,297 INFO L85 PathProgramCache]: Analyzing trace with hash 829361222, now seen corresponding path program 1 times [2025-02-06 09:19:40,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:40,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780526614] [2025-02-06 09:19:40,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:40,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:40,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 09:19:40,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 09:19:40,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:40,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:40,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:40,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780526614] [2025-02-06 09:19:40,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780526614] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:40,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:40,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:40,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181371540] [2025-02-06 09:19:40,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:40,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:40,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:40,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:40,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:40,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 138 [2025-02-06 09:19:40,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 122 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2025-02-06 09:19:40,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:40,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 138 [2025-02-06 09:19:40,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:40,386 INFO L124 PetriNetUnfolderBase]: 17/278 cut-off events. [2025-02-06 09:19:40,386 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:19:40,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 278 events. 17/278 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 880 event pairs, 6 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 296. Up to 32 conditions per place. [2025-02-06 09:19:40,388 INFO L140 encePairwiseOnDemand]: 132/138 looper letters, 13 selfloop transitions, 4 changer transitions 0/127 dead transitions. [2025-02-06 09:19:40,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 127 transitions, 299 flow [2025-02-06 09:19:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:40,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:40,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2025-02-06 09:19:40,390 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9154589371980676 [2025-02-06 09:19:40,390 INFO L175 Difference]: Start difference. First operand has 127 places, 122 transitions, 252 flow. Second operand 3 states and 379 transitions. [2025-02-06 09:19:40,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 127 transitions, 299 flow [2025-02-06 09:19:40,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 127 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:19:40,392 INFO L231 Difference]: Finished difference. Result has 129 places, 124 transitions, 279 flow [2025-02-06 09:19:40,393 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=279, PETRI_PLACES=129, PETRI_TRANSITIONS=124} [2025-02-06 09:19:40,393 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -7 predicate places. [2025-02-06 09:19:40,393 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 124 transitions, 279 flow [2025-02-06 09:19:40,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2025-02-06 09:19:40,394 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:40,394 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:19:40,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:19:40,394 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2025-02-06 09:19:40,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:40,395 INFO L85 PathProgramCache]: Analyzing trace with hash -520679462, now seen corresponding path program 1 times [2025-02-06 09:19:40,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:40,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373815511] [2025-02-06 09:19:40,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:40,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 09:19:40,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 09:19:40,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:40,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:40,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:40,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373815511] [2025-02-06 09:19:40,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373815511] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:40,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:40,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:19:40,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104022793] [2025-02-06 09:19:40,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:40,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 09:19:40,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:40,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 09:19:40,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:19:40,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 138 [2025-02-06 09:19:40,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 124 transitions, 279 flow. Second operand has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 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) [2025-02-06 09:19:40,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:40,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 138 [2025-02-06 09:19:40,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:40,598 INFO L124 PetriNetUnfolderBase]: 12/280 cut-off events. [2025-02-06 09:19:40,599 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-06 09:19:40,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 280 events. 12/280 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 923 event pairs, 8 based on Foata normal form. 1/258 useless extension candidates. Maximal degree in co-relation 325. Up to 34 conditions per place. [2025-02-06 09:19:40,601 INFO L140 encePairwiseOnDemand]: 134/138 looper letters, 16 selfloop transitions, 0 changer transitions 4/127 dead transitions. [2025-02-06 09:19:40,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 127 transitions, 325 flow [2025-02-06 09:19:40,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:19:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 09:19:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 591 transitions. [2025-02-06 09:19:40,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8565217391304348 [2025-02-06 09:19:40,603 INFO L175 Difference]: Start difference. First operand has 129 places, 124 transitions, 279 flow. Second operand 5 states and 591 transitions. [2025-02-06 09:19:40,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 127 transitions, 325 flow [2025-02-06 09:19:40,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 127 transitions, 317 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:40,605 INFO L231 Difference]: Finished difference. Result has 134 places, 123 transitions, 275 flow [2025-02-06 09:19:40,605 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=275, PETRI_PLACES=134, PETRI_TRANSITIONS=123} [2025-02-06 09:19:40,606 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -2 predicate places. [2025-02-06 09:19:40,606 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 123 transitions, 275 flow [2025-02-06 09:19:40,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 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) [2025-02-06 09:19:40,606 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:40,606 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:19:40,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:19:40,606 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2025-02-06 09:19:40,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:40,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1656883309, now seen corresponding path program 1 times [2025-02-06 09:19:40,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:40,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888987887] [2025-02-06 09:19:40,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:40,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:40,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 09:19:40,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 09:19:40,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:40,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:19:40,623 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:19:40,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 09:19:40,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 09:19:40,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:40,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:19:40,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:19:40,652 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:19:40,653 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2025-02-06 09:19:40,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2025-02-06 09:19:40,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2025-02-06 09:19:40,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2025-02-06 09:19:40,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2025-02-06 09:19:40,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2025-02-06 09:19:40,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2025-02-06 09:19:40,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:19:40,656 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-06 09:19:40,658 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-06 09:19:40,658 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-06 09:19:40,681 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:19:40,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 194 transitions, 408 flow [2025-02-06 09:19:40,700 INFO L124 PetriNetUnfolderBase]: 11/206 cut-off events. [2025-02-06 09:19:40,700 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:19:40,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 206 events. 11/206 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 373 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 213. Up to 6 conditions per place. [2025-02-06 09:19:40,701 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 194 transitions, 408 flow [2025-02-06 09:19:40,702 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 170 places, 171 transitions, 355 flow [2025-02-06 09:19:40,703 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:19:40,703 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;@650b1b67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:19:40,703 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-02-06 09:19:40,705 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:19:40,705 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-02-06 09:19:40,705 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:19:40,705 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:40,705 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] [2025-02-06 09:19:40,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:19:40,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:40,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2000815955, now seen corresponding path program 1 times [2025-02-06 09:19:40,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:40,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868057242] [2025-02-06 09:19:40,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:40,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:40,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 09:19:40,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 09:19:40,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:40,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:40,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:40,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868057242] [2025-02-06 09:19:40,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868057242] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:40,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:40,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:40,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812101886] [2025-02-06 09:19:40,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:40,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:40,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:40,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:40,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:40,752 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 194 [2025-02-06 09:19:40,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 171 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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) [2025-02-06 09:19:40,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:40,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 194 [2025-02-06 09:19:40,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:40,877 INFO L124 PetriNetUnfolderBase]: 216/1072 cut-off events. [2025-02-06 09:19:40,878 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2025-02-06 09:19:40,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 1072 events. 216/1072 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 7297 event pairs, 189 based on Foata normal form. 226/1128 useless extension candidates. Maximal degree in co-relation 1362. Up to 317 conditions per place. [2025-02-06 09:19:40,884 INFO L140 encePairwiseOnDemand]: 185/194 looper letters, 16 selfloop transitions, 2 changer transitions 1/162 dead transitions. [2025-02-06 09:19:40,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 162 transitions, 373 flow [2025-02-06 09:19:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2025-02-06 09:19:40,885 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8831615120274914 [2025-02-06 09:19:40,885 INFO L175 Difference]: Start difference. First operand has 170 places, 171 transitions, 355 flow. Second operand 3 states and 514 transitions. [2025-02-06 09:19:40,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 162 transitions, 373 flow [2025-02-06 09:19:40,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 162 transitions, 372 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:19:40,887 INFO L231 Difference]: Finished difference. Result has 168 places, 161 transitions, 338 flow [2025-02-06 09:19:40,887 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=168, PETRI_TRANSITIONS=161} [2025-02-06 09:19:40,892 INFO L279 CegarLoopForPetriNet]: 170 programPoint places, -2 predicate places. [2025-02-06 09:19:40,892 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 161 transitions, 338 flow [2025-02-06 09:19:40,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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) [2025-02-06 09:19:40,892 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:40,892 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] [2025-02-06 09:19:40,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:19:40,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:19:40,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:40,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1718584488, now seen corresponding path program 1 times [2025-02-06 09:19:40,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:40,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076514981] [2025-02-06 09:19:40,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:40,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:40,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 09:19:40,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 09:19:40,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:40,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:40,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:40,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076514981] [2025-02-06 09:19:40,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076514981] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:40,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:40,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:40,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748091194] [2025-02-06 09:19:40,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:40,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:40,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:40,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:40,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:40,944 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 194 [2025-02-06 09:19:40,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 161 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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) [2025-02-06 09:19:40,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:40,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 194 [2025-02-06 09:19:40,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:41,087 INFO L124 PetriNetUnfolderBase]: 205/1268 cut-off events. [2025-02-06 09:19:41,087 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2025-02-06 09:19:41,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1632 conditions, 1268 events. 205/1268 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8944 event pairs, 194 based on Foata normal form. 0/1118 useless extension candidates. Maximal degree in co-relation 1598. Up to 326 conditions per place. [2025-02-06 09:19:41,094 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 17 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2025-02-06 09:19:41,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 160 transitions, 374 flow [2025-02-06 09:19:41,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2025-02-06 09:19:41,096 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8694158075601375 [2025-02-06 09:19:41,096 INFO L175 Difference]: Start difference. First operand has 168 places, 161 transitions, 338 flow. Second operand 3 states and 506 transitions. [2025-02-06 09:19:41,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 160 transitions, 374 flow [2025-02-06 09:19:41,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 160 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:41,098 INFO L231 Difference]: Finished difference. Result has 166 places, 160 transitions, 336 flow [2025-02-06 09:19:41,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=166, PETRI_TRANSITIONS=160} [2025-02-06 09:19:41,099 INFO L279 CegarLoopForPetriNet]: 170 programPoint places, -4 predicate places. [2025-02-06 09:19:41,099 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 160 transitions, 336 flow [2025-02-06 09:19:41,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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) [2025-02-06 09:19:41,099 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:41,099 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] [2025-02-06 09:19:41,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:19:41,100 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:19:41,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:41,100 INFO L85 PathProgramCache]: Analyzing trace with hash 477608486, now seen corresponding path program 1 times [2025-02-06 09:19:41,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:41,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826152392] [2025-02-06 09:19:41,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:41,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 09:19:41,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 09:19:41,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:41,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:41,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:41,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826152392] [2025-02-06 09:19:41,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826152392] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:41,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:41,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:41,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085670] [2025-02-06 09:19:41,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:41,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:41,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:41,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:41,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:41,147 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 194 [2025-02-06 09:19:41,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 160 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:19:41,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:41,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 194 [2025-02-06 09:19:41,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:41,351 INFO L124 PetriNetUnfolderBase]: 590/2395 cut-off events. [2025-02-06 09:19:41,352 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2025-02-06 09:19:41,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3247 conditions, 2395 events. 590/2395 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 19534 event pairs, 508 based on Foata normal form. 0/2106 useless extension candidates. Maximal degree in co-relation 3206. Up to 791 conditions per place. [2025-02-06 09:19:41,366 INFO L140 encePairwiseOnDemand]: 187/194 looper letters, 19 selfloop transitions, 1 changer transitions 0/154 dead transitions. [2025-02-06 09:19:41,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 154 transitions, 364 flow [2025-02-06 09:19:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2025-02-06 09:19:41,368 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8384879725085911 [2025-02-06 09:19:41,368 INFO L175 Difference]: Start difference. First operand has 166 places, 160 transitions, 336 flow. Second operand 3 states and 488 transitions. [2025-02-06 09:19:41,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 154 transitions, 364 flow [2025-02-06 09:19:41,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 154 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:41,371 INFO L231 Difference]: Finished difference. Result has 160 places, 154 transitions, 322 flow [2025-02-06 09:19:41,371 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=160, PETRI_TRANSITIONS=154} [2025-02-06 09:19:41,373 INFO L279 CegarLoopForPetriNet]: 170 programPoint places, -10 predicate places. [2025-02-06 09:19:41,373 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 154 transitions, 322 flow [2025-02-06 09:19:41,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:19:41,374 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:41,374 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] [2025-02-06 09:19:41,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 09:19:41,374 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:19:41,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:41,375 INFO L85 PathProgramCache]: Analyzing trace with hash -780626872, now seen corresponding path program 1 times [2025-02-06 09:19:41,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:41,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296094067] [2025-02-06 09:19:41,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:41,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:41,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 09:19:41,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 09:19:41,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:41,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:41,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:41,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296094067] [2025-02-06 09:19:41,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296094067] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:41,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:41,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:41,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825343523] [2025-02-06 09:19:41,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:41,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:41,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:41,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:41,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:41,448 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 194 [2025-02-06 09:19:41,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 154 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2025-02-06 09:19:41,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:41,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 194 [2025-02-06 09:19:41,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:41,598 INFO L124 PetriNetUnfolderBase]: 347/1375 cut-off events. [2025-02-06 09:19:41,598 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2025-02-06 09:19:41,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2057 conditions, 1375 events. 347/1375 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9696 event pairs, 117 based on Foata normal form. 0/1210 useless extension candidates. Maximal degree in co-relation 2016. Up to 382 conditions per place. [2025-02-06 09:19:41,609 INFO L140 encePairwiseOnDemand]: 183/194 looper letters, 25 selfloop transitions, 8 changer transitions 0/168 dead transitions. [2025-02-06 09:19:41,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 168 transitions, 424 flow [2025-02-06 09:19:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2025-02-06 09:19:41,610 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8917525773195877 [2025-02-06 09:19:41,611 INFO L175 Difference]: Start difference. First operand has 160 places, 154 transitions, 322 flow. Second operand 3 states and 519 transitions. [2025-02-06 09:19:41,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 168 transitions, 424 flow [2025-02-06 09:19:41,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 168 transitions, 423 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:19:41,613 INFO L231 Difference]: Finished difference. Result has 163 places, 162 transitions, 391 flow [2025-02-06 09:19:41,613 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=163, PETRI_TRANSITIONS=162} [2025-02-06 09:19:41,614 INFO L279 CegarLoopForPetriNet]: 170 programPoint places, -7 predicate places. [2025-02-06 09:19:41,614 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 162 transitions, 391 flow [2025-02-06 09:19:41,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2025-02-06 09:19:41,614 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:41,614 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] [2025-02-06 09:19:41,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 09:19:41,614 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:19:41,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:41,615 INFO L85 PathProgramCache]: Analyzing trace with hash 162569169, now seen corresponding path program 1 times [2025-02-06 09:19:41,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:41,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647039174] [2025-02-06 09:19:41,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:41,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:41,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 09:19:41,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 09:19:41,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:41,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:41,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:41,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647039174] [2025-02-06 09:19:41,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647039174] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:41,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:41,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:41,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570953424] [2025-02-06 09:19:41,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:41,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:41,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:41,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:41,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:41,694 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 194 [2025-02-06 09:19:41,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 162 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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) [2025-02-06 09:19:41,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:41,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 194 [2025-02-06 09:19:41,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:41,915 INFO L124 PetriNetUnfolderBase]: 447/1925 cut-off events. [2025-02-06 09:19:41,915 INFO L125 PetriNetUnfolderBase]: For 612/632 co-relation queries the response was YES. [2025-02-06 09:19:41,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3363 conditions, 1925 events. 447/1925 cut-off events. For 612/632 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 15514 event pairs, 158 based on Foata normal form. 2/1715 useless extension candidates. Maximal degree in co-relation 3321. Up to 585 conditions per place. [2025-02-06 09:19:41,936 INFO L140 encePairwiseOnDemand]: 187/194 looper letters, 23 selfloop transitions, 10 changer transitions 0/173 dead transitions. [2025-02-06 09:19:41,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 173 transitions, 502 flow [2025-02-06 09:19:41,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2025-02-06 09:19:41,938 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8951890034364262 [2025-02-06 09:19:41,938 INFO L175 Difference]: Start difference. First operand has 163 places, 162 transitions, 391 flow. Second operand 3 states and 521 transitions. [2025-02-06 09:19:41,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 173 transitions, 502 flow [2025-02-06 09:19:41,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 173 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:41,944 INFO L231 Difference]: Finished difference. Result has 165 places, 170 transitions, 461 flow [2025-02-06 09:19:41,945 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=165, PETRI_TRANSITIONS=170} [2025-02-06 09:19:41,946 INFO L279 CegarLoopForPetriNet]: 170 programPoint places, -5 predicate places. [2025-02-06 09:19:41,946 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 170 transitions, 461 flow [2025-02-06 09:19:41,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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) [2025-02-06 09:19:41,946 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:41,947 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2025-02-06 09:19:41,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 09:19:41,947 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:19:41,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:41,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1791971901, now seen corresponding path program 1 times [2025-02-06 09:19:41,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:41,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041406986] [2025-02-06 09:19:41,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:41,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:41,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 09:19:41,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 09:19:41,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:41,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:42,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:42,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041406986] [2025-02-06 09:19:42,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041406986] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:42,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:42,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:19:42,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753750065] [2025-02-06 09:19:42,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:42,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 09:19:42,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:42,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 09:19:42,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:19:42,071 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 194 [2025-02-06 09:19:42,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 170 transitions, 461 flow. Second operand has 5 states, 5 states have (on average 164.6) internal successors, (823), 5 states have internal predecessors, (823), 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) [2025-02-06 09:19:42,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:42,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 194 [2025-02-06 09:19:42,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:42,236 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([500] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread2of2ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of2ForFork1_#t~ret6#1=|v_thr2Thread2of2ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of2ForFork1_#t~ret6#1][153], [120#L705true, Black: 205#true, 113#thr1ENTRYtrue, 194#true, Black: 212#(= |#race~x~0| |thr2Thread1of2ForFork1_#t~nondet5#1|), 39#L705true, 28#L714-1true, 210#true, 192#true, 215#true, 204#(= |#race~n~0| 0), 188#true]) [2025-02-06 09:19:42,238 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2025-02-06 09:19:42,238 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2025-02-06 09:19:42,238 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2025-02-06 09:19:42,238 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2025-02-06 09:19:42,314 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([533] L705-3-->L705: Formula: (and (= |v_thr2Thread1of2ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread1of2ForFork1_#t~ret6#1=|v_thr2Thread1of2ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of2ForFork1_#t~ret6#1][125], [120#L705true, Black: 205#true, 113#thr1ENTRYtrue, 194#true, Black: 212#(= |#race~x~0| |thr2Thread1of2ForFork1_#t~nondet5#1|), 39#L705true, 210#true, 192#true, 215#true, 54#L-1true, 204#(= |#race~n~0| 0), 188#true]) [2025-02-06 09:19:42,314 INFO L294 olderBase$Statistics]: this new event has 130 ancestors and is cut-off event [2025-02-06 09:19:42,314 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2025-02-06 09:19:42,315 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2025-02-06 09:19:42,315 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2025-02-06 09:19:42,332 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([533] L705-3-->L705: Formula: (and (= |v_thr2Thread1of2ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread1of2ForFork1_#t~ret6#1=|v_thr2Thread1of2ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of2ForFork1_#t~ret6#1][125], [120#L705true, 113#thr1ENTRYtrue, Black: 207#(= |#race~x~0| 0), 194#true, Black: 212#(= |#race~x~0| |thr2Thread1of2ForFork1_#t~nondet5#1|), 39#L705true, 210#true, 192#true, 215#true, 54#L-1true, 204#(= |#race~n~0| 0), 188#true]) [2025-02-06 09:19:42,332 INFO L294 olderBase$Statistics]: this new event has 135 ancestors and is cut-off event [2025-02-06 09:19:42,332 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2025-02-06 09:19:42,332 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2025-02-06 09:19:42,332 INFO L297 olderBase$Statistics]: existing Event has 135 ancestors and is cut-off event [2025-02-06 09:19:42,338 INFO L124 PetriNetUnfolderBase]: 539/2952 cut-off events. [2025-02-06 09:19:42,339 INFO L125 PetriNetUnfolderBase]: For 551/794 co-relation queries the response was YES. [2025-02-06 09:19:42,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4738 conditions, 2952 events. 539/2952 cut-off events. For 551/794 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 27765 event pairs, 215 based on Foata normal form. 1/2595 useless extension candidates. Maximal degree in co-relation 4695. Up to 443 conditions per place. [2025-02-06 09:19:42,361 INFO L140 encePairwiseOnDemand]: 190/194 looper letters, 19 selfloop transitions, 0 changer transitions 4/173 dead transitions. [2025-02-06 09:19:42,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 173 transitions, 513 flow [2025-02-06 09:19:42,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:19:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 09:19:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 834 transitions. [2025-02-06 09:19:42,365 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8597938144329897 [2025-02-06 09:19:42,365 INFO L175 Difference]: Start difference. First operand has 165 places, 170 transitions, 461 flow. Second operand 5 states and 834 transitions. [2025-02-06 09:19:42,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 173 transitions, 513 flow [2025-02-06 09:19:42,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 173 transitions, 493 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:42,371 INFO L231 Difference]: Finished difference. Result has 170 places, 169 transitions, 445 flow [2025-02-06 09:19:42,372 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=445, PETRI_PLACES=170, PETRI_TRANSITIONS=169} [2025-02-06 09:19:42,373 INFO L279 CegarLoopForPetriNet]: 170 programPoint places, 0 predicate places. [2025-02-06 09:19:42,373 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 169 transitions, 445 flow [2025-02-06 09:19:42,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 164.6) internal successors, (823), 5 states have internal predecessors, (823), 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) [2025-02-06 09:19:42,373 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:42,374 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2025-02-06 09:19:42,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 09:19:42,374 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 09:19:42,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:42,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1936700418, now seen corresponding path program 1 times [2025-02-06 09:19:42,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:42,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013887822] [2025-02-06 09:19:42,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:42,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:42,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 09:19:42,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 09:19:42,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:42,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:19:42,391 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:19:42,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 09:19:42,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 09:19:42,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:42,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:19:42,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:19:42,413 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:19:42,413 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2025-02-06 09:19:42,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2025-02-06 09:19:42,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2025-02-06 09:19:42,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2025-02-06 09:19:42,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 09:19:42,416 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:19:42,417 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-06 09:19:42,417 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-06 09:19:42,443 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:19:42,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 250 transitions, 536 flow [2025-02-06 09:19:42,466 INFO L124 PetriNetUnfolderBase]: 14/260 cut-off events. [2025-02-06 09:19:42,466 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-06 09:19:42,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 260 events. 14/260 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 554 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 271. Up to 8 conditions per place. [2025-02-06 09:19:42,467 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 250 transitions, 536 flow [2025-02-06 09:19:42,469 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 205 transitions, 431 flow [2025-02-06 09:19:42,471 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:19:42,471 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;@650b1b67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:19:42,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2025-02-06 09:19:42,473 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:19:42,473 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-02-06 09:19:42,473 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:19:42,473 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:42,474 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] [2025-02-06 09:19:42,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-02-06 09:19:42,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:42,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1120993959, now seen corresponding path program 1 times [2025-02-06 09:19:42,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:42,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843189754] [2025-02-06 09:19:42,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:42,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:42,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 09:19:42,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 09:19:42,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:42,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:42,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:42,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:42,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843189754] [2025-02-06 09:19:42,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843189754] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:42,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:42,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:42,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943625680] [2025-02-06 09:19:42,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:42,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:42,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:42,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:42,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:42,537 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 250 [2025-02-06 09:19:42,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 205 transitions, 431 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:19:42,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:42,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 250 [2025-02-06 09:19:42,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:43,003 INFO L124 PetriNetUnfolderBase]: 1589/4910 cut-off events. [2025-02-06 09:19:43,004 INFO L125 PetriNetUnfolderBase]: For 336/336 co-relation queries the response was YES. [2025-02-06 09:19:43,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7220 conditions, 4910 events. 1589/4910 cut-off events. For 336/336 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 44652 event pairs, 1439 based on Foata normal form. 1274/5496 useless extension candidates. Maximal degree in co-relation 7150. Up to 2067 conditions per place. [2025-02-06 09:19:43,040 INFO L140 encePairwiseOnDemand]: 240/250 looper letters, 21 selfloop transitions, 2 changer transitions 1/195 dead transitions. [2025-02-06 09:19:43,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 195 transitions, 457 flow [2025-02-06 09:19:43,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2025-02-06 09:19:43,042 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8733333333333333 [2025-02-06 09:19:43,042 INFO L175 Difference]: Start difference. First operand has 204 places, 205 transitions, 431 flow. Second operand 3 states and 655 transitions. [2025-02-06 09:19:43,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 195 transitions, 457 flow [2025-02-06 09:19:43,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 195 transitions, 454 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-02-06 09:19:43,045 INFO L231 Difference]: Finished difference. Result has 202 places, 194 transitions, 410 flow [2025-02-06 09:19:43,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=202, PETRI_TRANSITIONS=194} [2025-02-06 09:19:43,046 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -2 predicate places. [2025-02-06 09:19:43,046 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 194 transitions, 410 flow [2025-02-06 09:19:43,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:19:43,047 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:43,047 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] [2025-02-06 09:19:43,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 09:19:43,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-02-06 09:19:43,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:43,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1289580654, now seen corresponding path program 1 times [2025-02-06 09:19:43,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:43,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472726835] [2025-02-06 09:19:43,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:43,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:43,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 09:19:43,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 09:19:43,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:43,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:43,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472726835] [2025-02-06 09:19:43,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472726835] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:43,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:43,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:43,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494471966] [2025-02-06 09:19:43,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:43,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:43,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:43,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:43,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:43,117 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 250 [2025-02-06 09:19:43,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 194 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:19:43,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:43,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 250 [2025-02-06 09:19:43,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:43,822 INFO L124 PetriNetUnfolderBase]: 1176/6582 cut-off events. [2025-02-06 09:19:43,823 INFO L125 PetriNetUnfolderBase]: For 314/314 co-relation queries the response was YES. [2025-02-06 09:19:43,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8387 conditions, 6582 events. 1176/6582 cut-off events. For 314/314 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 70652 event pairs, 1154 based on Foata normal form. 0/5582 useless extension candidates. Maximal degree in co-relation 8352. Up to 1670 conditions per place. [2025-02-06 09:19:43,871 INFO L140 encePairwiseOnDemand]: 247/250 looper letters, 21 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2025-02-06 09:19:43,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 193 transitions, 454 flow [2025-02-06 09:19:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2025-02-06 09:19:43,873 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.864 [2025-02-06 09:19:43,873 INFO L175 Difference]: Start difference. First operand has 202 places, 194 transitions, 410 flow. Second operand 3 states and 648 transitions. [2025-02-06 09:19:43,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 193 transitions, 454 flow [2025-02-06 09:19:43,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 193 transitions, 450 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:43,876 INFO L231 Difference]: Finished difference. Result has 200 places, 193 transitions, 408 flow [2025-02-06 09:19:43,876 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=200, PETRI_TRANSITIONS=193} [2025-02-06 09:19:43,877 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -4 predicate places. [2025-02-06 09:19:43,877 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 193 transitions, 408 flow [2025-02-06 09:19:43,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:19:43,877 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:43,877 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] [2025-02-06 09:19:43,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 09:19:43,878 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-02-06 09:19:43,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:43,878 INFO L85 PathProgramCache]: Analyzing trace with hash 981897184, now seen corresponding path program 1 times [2025-02-06 09:19:43,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:43,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58516808] [2025-02-06 09:19:43,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:43,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:43,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 09:19:43,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 09:19:43,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:43,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:43,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:43,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58516808] [2025-02-06 09:19:43,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58516808] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:43,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:43,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:43,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962821292] [2025-02-06 09:19:43,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:43,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:43,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:43,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:43,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:43,923 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 250 [2025-02-06 09:19:43,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 193 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2025-02-06 09:19:43,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:43,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 250 [2025-02-06 09:19:43,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:44,879 INFO L124 PetriNetUnfolderBase]: 4181/13046 cut-off events. [2025-02-06 09:19:44,879 INFO L125 PetriNetUnfolderBase]: For 436/436 co-relation queries the response was YES. [2025-02-06 09:19:44,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18399 conditions, 13046 events. 4181/13046 cut-off events. For 436/436 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 140816 event pairs, 3658 based on Foata normal form. 0/11319 useless extension candidates. Maximal degree in co-relation 18357. Up to 5066 conditions per place. [2025-02-06 09:19:44,949 INFO L140 encePairwiseOnDemand]: 242/250 looper letters, 24 selfloop transitions, 1 changer transitions 0/186 dead transitions. [2025-02-06 09:19:44,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 186 transitions, 444 flow [2025-02-06 09:19:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 620 transitions. [2025-02-06 09:19:44,950 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8266666666666667 [2025-02-06 09:19:44,950 INFO L175 Difference]: Start difference. First operand has 200 places, 193 transitions, 408 flow. Second operand 3 states and 620 transitions. [2025-02-06 09:19:44,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 186 transitions, 444 flow [2025-02-06 09:19:44,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 186 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:44,953 INFO L231 Difference]: Finished difference. Result has 193 places, 186 transitions, 392 flow [2025-02-06 09:19:44,953 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=193, PETRI_TRANSITIONS=186} [2025-02-06 09:19:44,953 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -11 predicate places. [2025-02-06 09:19:44,953 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 186 transitions, 392 flow [2025-02-06 09:19:44,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2025-02-06 09:19:44,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:44,954 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] [2025-02-06 09:19:44,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 09:19:44,954 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-02-06 09:19:44,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:44,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1527514099, now seen corresponding path program 1 times [2025-02-06 09:19:44,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:44,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055259319] [2025-02-06 09:19:44,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:44,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:44,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 09:19:44,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 09:19:44,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:44,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:44,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:44,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055259319] [2025-02-06 09:19:44,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055259319] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:44,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:44,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:44,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132867255] [2025-02-06 09:19:44,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:44,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:44,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:44,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:44,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:45,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 250 [2025-02-06 09:19:45,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 186 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:19:45,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:45,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 250 [2025-02-06 09:19:45,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:46,274 INFO L124 PetriNetUnfolderBase]: 4747/12923 cut-off events. [2025-02-06 09:19:46,275 INFO L125 PetriNetUnfolderBase]: For 840/840 co-relation queries the response was YES. [2025-02-06 09:19:46,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20480 conditions, 12923 events. 4747/12923 cut-off events. For 840/840 co-relation queries the response was YES. Maximal size of possible extension queue 577. Compared 135244 event pairs, 1658 based on Foata normal form. 0/11283 useless extension candidates. Maximal degree in co-relation 20438. Up to 4100 conditions per place. [2025-02-06 09:19:46,423 INFO L140 encePairwiseOnDemand]: 235/250 looper letters, 35 selfloop transitions, 11 changer transitions 0/206 dead transitions. [2025-02-06 09:19:46,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 206 transitions, 537 flow [2025-02-06 09:19:46,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 656 transitions. [2025-02-06 09:19:46,425 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8746666666666667 [2025-02-06 09:19:46,425 INFO L175 Difference]: Start difference. First operand has 193 places, 186 transitions, 392 flow. Second operand 3 states and 656 transitions. [2025-02-06 09:19:46,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 206 transitions, 537 flow [2025-02-06 09:19:46,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 206 transitions, 536 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:19:46,429 INFO L231 Difference]: Finished difference. Result has 196 places, 197 transitions, 487 flow [2025-02-06 09:19:46,429 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=487, PETRI_PLACES=196, PETRI_TRANSITIONS=197} [2025-02-06 09:19:46,430 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -8 predicate places. [2025-02-06 09:19:46,430 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 197 transitions, 487 flow [2025-02-06 09:19:46,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:19:46,430 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:46,430 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] [2025-02-06 09:19:46,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 09:19:46,431 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-02-06 09:19:46,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:46,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1960242051, now seen corresponding path program 1 times [2025-02-06 09:19:46,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:46,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842979] [2025-02-06 09:19:46,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:46,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:46,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 09:19:46,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 09:19:46,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:46,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:46,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:46,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842979] [2025-02-06 09:19:46,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842979] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:46,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:46,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:19:46,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825290465] [2025-02-06 09:19:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:46,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:19:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:46,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:19:46,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:19:46,500 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 250 [2025-02-06 09:19:46,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 197 transitions, 487 flow. Second operand has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 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) [2025-02-06 09:19:46,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:46,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 250 [2025-02-06 09:19:46,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:47,313 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([750] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread1of3ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, thr2Thread1of3ForFork1_#t~ret6#1=|v_thr2Thread1of3ForFork1_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of3ForFork1_#t~ret6#1][121], [139#L714-1true, 240#true, 29#L700true, Black: 261#true, 50#thr1ENTRYtrue, 266#true, 246#true, 263#(= |#race~x~0| 0), 95#L705true, 260#(= |#race~n~0| 0), 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:47,314 INFO L294 olderBase$Statistics]: this new event has 139 ancestors and is cut-off event [2025-02-06 09:19:47,314 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-02-06 09:19:47,314 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2025-02-06 09:19:47,314 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2025-02-06 09:19:47,327 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [120#L694-5true, 139#L714-1true, 240#true, 29#L700true, Black: 261#true, 266#true, 246#true, 263#(= |#race~x~0| 0), 95#L705true, 260#(= |#race~n~0| 0), 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:47,327 INFO L294 olderBase$Statistics]: this new event has 142 ancestors and is cut-off event [2025-02-06 09:19:47,327 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2025-02-06 09:19:47,327 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2025-02-06 09:19:47,327 INFO L297 olderBase$Statistics]: existing Event has 142 ancestors and is cut-off event [2025-02-06 09:19:47,491 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][213], [139#L714-1true, 33#L694-4true, 240#true, 29#L700true, Black: 261#true, 246#true, 263#(= |#race~x~0| 0), 260#(= |#race~n~0| 0), 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 244#true, 242#true, 13#L705true, 232#L703-1true]) [2025-02-06 09:19:47,491 INFO L294 olderBase$Statistics]: this new event has 144 ancestors and is cut-off event [2025-02-06 09:19:47,491 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-02-06 09:19:47,491 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-02-06 09:19:47,491 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-02-06 09:19:47,909 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][202], [120#L694-5true, 139#L714-1true, 240#true, Black: 261#true, 215#L705true, 246#true, 263#(= |#race~x~0| 0), 260#(= |#race~n~0| 0), 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 244#true, 242#true, 13#L705true, 232#L703-1true]) [2025-02-06 09:19:47,909 INFO L294 olderBase$Statistics]: this new event has 153 ancestors and is cut-off event [2025-02-06 09:19:47,909 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2025-02-06 09:19:47,909 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2025-02-06 09:19:47,909 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2025-02-06 09:19:47,946 INFO L124 PetriNetUnfolderBase]: 6562/18031 cut-off events. [2025-02-06 09:19:47,946 INFO L125 PetriNetUnfolderBase]: For 7487/8038 co-relation queries the response was YES. [2025-02-06 09:19:48,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35063 conditions, 18031 events. 6562/18031 cut-off events. For 7487/8038 co-relation queries the response was YES. Maximal size of possible extension queue 800. Compared 202532 event pairs, 2467 based on Foata normal form. 44/15741 useless extension candidates. Maximal degree in co-relation 35020. Up to 7179 conditions per place. [2025-02-06 09:19:48,088 INFO L140 encePairwiseOnDemand]: 241/250 looper letters, 33 selfloop transitions, 14 changer transitions 0/215 dead transitions. [2025-02-06 09:19:48,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 215 transitions, 657 flow [2025-02-06 09:19:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:19:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:19:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2025-02-06 09:19:48,094 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.888 [2025-02-06 09:19:48,094 INFO L175 Difference]: Start difference. First operand has 196 places, 197 transitions, 487 flow. Second operand 3 states and 666 transitions. [2025-02-06 09:19:48,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 215 transitions, 657 flow [2025-02-06 09:19:48,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 215 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:48,113 INFO L231 Difference]: Finished difference. Result has 198 places, 209 transitions, 591 flow [2025-02-06 09:19:48,113 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=198, PETRI_TRANSITIONS=209} [2025-02-06 09:19:48,114 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -6 predicate places. [2025-02-06 09:19:48,114 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 209 transitions, 591 flow [2025-02-06 09:19:48,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 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) [2025-02-06 09:19:48,114 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:48,114 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] [2025-02-06 09:19:48,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 09:19:48,114 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-02-06 09:19:48,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:48,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1884021702, now seen corresponding path program 1 times [2025-02-06 09:19:48,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:48,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924242572] [2025-02-06 09:19:48,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:48,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:48,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 09:19:48,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 09:19:48,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:48,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:19:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:19:48,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:19:48,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924242572] [2025-02-06 09:19:48,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924242572] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:19:48,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:19:48,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:19:48,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170279079] [2025-02-06 09:19:48,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:19:48,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 09:19:48,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:19:48,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 09:19:48,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:19:48,194 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 250 [2025-02-06 09:19:48,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 209 transitions, 591 flow. Second operand has 5 states, 5 states have (on average 212.6) internal successors, (1063), 5 states have internal predecessors, (1063), 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) [2025-02-06 09:19:48,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:19:48,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 250 [2025-02-06 09:19:48,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:19:49,075 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([750] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread1of3ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, thr2Thread1of3ForFork1_#t~ret6#1=|v_thr2Thread1of3ForFork1_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of3ForFork1_#t~ret6#1][124], [139#L714-1true, 240#true, 29#L700true, Black: 261#true, 50#thr1ENTRYtrue, 266#true, 246#true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,075 INFO L294 olderBase$Statistics]: this new event has 142 ancestors and is cut-off event [2025-02-06 09:19:49,075 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2025-02-06 09:19:49,075 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2025-02-06 09:19:49,075 INFO L297 olderBase$Statistics]: existing Event has 142 ancestors and is cut-off event [2025-02-06 09:19:49,207 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 42#L701true, 240#true, Black: 261#true, 50#thr1ENTRYtrue, 266#true, 246#true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,207 INFO L294 olderBase$Statistics]: this new event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,207 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-02-06 09:19:49,207 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-02-06 09:19:49,207 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,240 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([750] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread1of3ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, thr2Thread1of3ForFork1_#t~ret6#1=|v_thr2Thread1of3ForFork1_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of3ForFork1_#t~ret6#1][124], [139#L714-1true, 33#L694-4true, 240#true, 29#L700true, Black: 261#true, 266#true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,240 INFO L294 olderBase$Statistics]: this new event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,240 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-02-06 09:19:49,240 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2025-02-06 09:19:49,240 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,258 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, Black: 261#true, 50#thr1ENTRYtrue, 266#true, 246#true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 211#L701-1true, 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,258 INFO L294 olderBase$Statistics]: this new event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,258 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-02-06 09:19:49,258 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-02-06 09:19:49,258 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,276 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([750] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread1of3ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, thr2Thread1of3ForFork1_#t~ret6#1=|v_thr2Thread1of3ForFork1_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of3ForFork1_#t~ret6#1][124], [120#L694-5true, 139#L714-1true, 240#true, 29#L700true, Black: 261#true, 266#true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,277 INFO L294 olderBase$Statistics]: this new event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,277 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,277 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-02-06 09:19:49,277 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2025-02-06 09:19:49,530 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([773] L701-2-->L701: Formula: (= |v_#race~x~0_6| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_6|} AuxVars[] AssignedVars[#race~x~0][199], [120#L694-5true, 139#L714-1true, 42#L701true, 240#true, Black: 261#true, 266#true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true, 232#L703-1true]) [2025-02-06 09:19:49,530 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2025-02-06 09:19:49,530 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,530 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-02-06 09:19:49,530 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,593 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([750] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread1of3ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, thr2Thread1of3ForFork1_#t~ret6#1=|v_thr2Thread1of3ForFork1_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of3ForFork1_#t~ret6#1][124], [139#L714-1true, 240#true, 29#L700true, Black: 263#(= |#race~x~0| 0), 50#thr1ENTRYtrue, 266#true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,594 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2025-02-06 09:19:49,594 INFO L297 olderBase$Statistics]: existing Event has 142 ancestors and is cut-off event [2025-02-06 09:19:49,594 INFO L297 olderBase$Statistics]: existing Event has 142 ancestors and is cut-off event [2025-02-06 09:19:49,594 INFO L297 olderBase$Statistics]: existing Event has 142 ancestors and is cut-off event [2025-02-06 09:19:49,663 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, Black: 261#true, 50#thr1ENTRYtrue, 266#true, 246#true, 215#L705true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,663 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2025-02-06 09:19:49,663 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,663 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,663 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-02-06 09:19:49,664 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [139#L714-1true, 240#true, Black: 263#(= |#race~x~0| 0), 50#thr1ENTRYtrue, 266#true, 246#true, 215#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 146#L701true, 271#true, 244#true, 242#true]) [2025-02-06 09:19:49,664 INFO L294 olderBase$Statistics]: this new event has 149 ancestors and is cut-off event [2025-02-06 09:19:49,664 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,664 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,664 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,665 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 42#L701true, 240#true, Black: 263#(= |#race~x~0| 0), 50#thr1ENTRYtrue, 266#true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,665 INFO L294 olderBase$Statistics]: this new event has 149 ancestors and is cut-off event [2025-02-06 09:19:49,665 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,665 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,665 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,710 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([750] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread1of3ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, thr2Thread1of3ForFork1_#t~ret6#1=|v_thr2Thread1of3ForFork1_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of3ForFork1_#t~ret6#1][124], [139#L714-1true, 240#true, 33#L694-4true, 29#L700true, Black: 263#(= |#race~x~0| 0), 266#true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,710 INFO L294 olderBase$Statistics]: this new event has 149 ancestors and is cut-off event [2025-02-06 09:19:49,710 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,710 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,710 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2025-02-06 09:19:49,732 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, Black: 263#(= |#race~x~0| 0), 50#thr1ENTRYtrue, 266#true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 211#L701-1true, 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,732 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2025-02-06 09:19:49,732 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,732 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,732 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,753 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([750] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread1of3ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, thr2Thread1of3ForFork1_#t~ret6#1=|v_thr2Thread1of3ForFork1_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of3ForFork1_#t~ret6#1][124], [120#L694-5true, 139#L714-1true, 240#true, 29#L700true, Black: 263#(= |#race~x~0| 0), 266#true, 246#true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,753 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is cut-off event [2025-02-06 09:19:49,753 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,753 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,753 INFO L297 olderBase$Statistics]: existing Event has 145 ancestors and is cut-off event [2025-02-06 09:19:49,770 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, 33#L694-4true, Black: 261#true, 266#true, 246#true, 215#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,770 INFO L294 olderBase$Statistics]: this new event has 152 ancestors and is cut-off event [2025-02-06 09:19:49,770 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2025-02-06 09:19:49,770 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2025-02-06 09:19:49,770 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2025-02-06 09:19:49,813 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [120#L694-5true, 139#L714-1true, 240#true, Black: 261#true, 266#true, 246#true, 215#L705true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,813 INFO L294 olderBase$Statistics]: this new event has 153 ancestors and is cut-off event [2025-02-06 09:19:49,813 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2025-02-06 09:19:49,813 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2025-02-06 09:19:49,813 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2025-02-06 09:19:49,855 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, Black: 263#(= |#race~x~0| 0), 50#thr1ENTRYtrue, 266#true, 246#true, 215#L705true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,855 INFO L294 olderBase$Statistics]: this new event has 150 ancestors and is not cut-off event [2025-02-06 09:19:49,855 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is not cut-off event [2025-02-06 09:19:49,855 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is not cut-off event [2025-02-06 09:19:49,855 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is not cut-off event [2025-02-06 09:19:49,856 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, Black: 261#true, 50#thr1ENTRYtrue, 266#true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 214#L703true, 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,856 INFO L294 olderBase$Statistics]: this new event has 152 ancestors and is cut-off event [2025-02-06 09:19:49,856 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2025-02-06 09:19:49,856 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2025-02-06 09:19:49,856 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2025-02-06 09:19:49,983 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, Black: 263#(= |#race~x~0| 0), 50#thr1ENTRYtrue, 266#true, 246#true, 215#L705true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:49,983 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2025-02-06 09:19:49,983 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-02-06 09:19:49,983 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-02-06 09:19:49,983 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2025-02-06 09:19:49,983 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2025-02-06 09:19:50,027 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, Black: 261#true, 266#true, 246#true, 215#L705true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 7#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:50,027 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2025-02-06 09:19:50,028 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2025-02-06 09:19:50,028 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2025-02-06 09:19:50,028 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2025-02-06 09:19:50,082 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [139#L714-1true, 240#true, 33#L694-4true, Black: 263#(= |#race~x~0| 0), 266#true, 215#L705true, 246#true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:50,083 INFO L294 olderBase$Statistics]: this new event has 157 ancestors and is cut-off event [2025-02-06 09:19:50,083 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2025-02-06 09:19:50,083 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2025-02-06 09:19:50,083 INFO L297 olderBase$Statistics]: existing Event has 152 ancestors and is cut-off event [2025-02-06 09:19:50,119 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [120#L694-5true, 139#L714-1true, 240#true, Black: 263#(= |#race~x~0| 0), 266#true, 246#true, 215#L705true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:50,119 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2025-02-06 09:19:50,120 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2025-02-06 09:19:50,120 INFO L297 olderBase$Statistics]: existing Event has 153 ancestors and is cut-off event [2025-02-06 09:19:50,120 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2025-02-06 09:19:50,272 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([806] L701-2-->L701: Formula: (= |v_#race~x~0_6| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_6|} AuxVars[] AssignedVars[#race~x~0][208], [120#L694-5true, 240#true, Black: 261#true, 266#true, 246#true, 215#L705true, 153#L-1true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 146#L701true, 271#true, 244#true, 242#true, 232#L703-1true]) [2025-02-06 09:19:50,272 INFO L294 olderBase$Statistics]: this new event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,272 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2025-02-06 09:19:50,272 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2025-02-06 09:19:50,272 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,296 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [240#true, 33#L694-4true, Black: 263#(= |#race~x~0| 0), 266#true, 215#L705true, 246#true, 153#L-1true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 115#L700true, 271#true, 244#true, 242#true]) [2025-02-06 09:19:50,296 INFO L294 olderBase$Statistics]: this new event has 161 ancestors and is cut-off event [2025-02-06 09:19:50,296 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2025-02-06 09:19:50,296 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2025-02-06 09:19:50,296 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2025-02-06 09:19:50,337 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [120#L694-5true, 240#true, Black: 263#(= |#race~x~0| 0), 266#true, 215#L705true, 246#true, 153#L-1true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 115#L700true, 271#true, 244#true, 242#true]) [2025-02-06 09:19:50,337 INFO L294 olderBase$Statistics]: this new event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,337 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2025-02-06 09:19:50,337 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2025-02-06 09:19:50,337 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2025-02-06 09:19:50,370 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [240#true, Black: 261#true, 50#thr1ENTRYtrue, 266#true, 215#L705true, 246#true, 153#L-1true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:50,370 INFO L294 olderBase$Statistics]: this new event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,370 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,370 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,370 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2025-02-06 09:19:50,371 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([806] L701-2-->L701: Formula: (= |v_#race~x~0_6| 0) InVars {} OutVars{#race~x~0=|v_#race~x~0_6|} AuxVars[] AssignedVars[#race~x~0][177], [120#L694-5true, 240#true, Black: 261#true, 266#true, 215#L705true, 246#true, 153#L-1true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 146#L701true, 271#true, 74#L705-3true, 244#true, 242#true]) [2025-02-06 09:19:50,371 INFO L294 olderBase$Statistics]: this new event has 163 ancestors and is cut-off event [2025-02-06 09:19:50,371 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2025-02-06 09:19:50,371 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2025-02-06 09:19:50,371 INFO L297 olderBase$Statistics]: existing Event has 163 ancestors and is cut-off event [2025-02-06 09:19:50,459 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [240#true, Black: 261#true, 266#true, 246#true, 215#L705true, 153#L-1true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 7#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, 13#L705true]) [2025-02-06 09:19:50,459 INFO L294 olderBase$Statistics]: this new event has 165 ancestors and is cut-off event [2025-02-06 09:19:50,460 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-02-06 09:19:50,460 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-02-06 09:19:50,460 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-02-06 09:19:50,470 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [240#true, Black: 261#true, 50#thr1ENTRYtrue, 266#true, 215#L705true, 246#true, 153#L-1true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 138#L703true, 244#true, 242#true]) [2025-02-06 09:19:50,470 INFO L294 olderBase$Statistics]: this new event has 164 ancestors and is cut-off event [2025-02-06 09:19:50,471 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2025-02-06 09:19:50,471 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2025-02-06 09:19:50,471 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2025-02-06 09:19:50,495 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [240#true, 33#L694-4true, Black: 261#true, 246#true, 105#L703true, 215#L705true, 153#L-1true, Black: 266#true, 260#(= |#race~n~0| 0), 271#true, 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:50,495 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2025-02-06 09:19:50,495 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2025-02-06 09:19:50,495 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2025-02-06 09:19:50,495 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2025-02-06 09:19:50,509 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [120#L694-5true, 240#true, Black: 261#true, 105#L703true, 246#true, 153#L-1true, 215#L705true, Black: 266#true, 260#(= |#race~n~0| 0), 271#true, 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:50,510 INFO L294 olderBase$Statistics]: this new event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,510 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,510 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,510 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,525 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([783] L705-3-->L705: Formula: (and (= |v_thr2Thread2of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread2of3ForFork1_#t~ret6#1=|v_thr2Thread2of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread2of3ForFork1_#t~ret6#1][162], [240#true, Black: 261#true, 215#L705true, 246#true, 105#L703true, 153#L-1true, Black: 266#true, 260#(= |#race~n~0| 0), 271#true, 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 244#true, 242#true, 7#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, 13#L705true]) [2025-02-06 09:19:50,525 INFO L294 olderBase$Statistics]: this new event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,525 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,525 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,525 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,529 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [240#true, Black: 263#(= |#race~x~0| 0), 50#thr1ENTRYtrue, 266#true, 153#L-1true, 246#true, 215#L705true, 95#L705true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 13#L705true]) [2025-02-06 09:19:50,529 INFO L294 olderBase$Statistics]: this new event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,529 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,529 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,529 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,543 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([816] L705-3-->L705: Formula: (and (= |v_thr2Thread3of3ForFork1_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0)))) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|, thr2Thread3of3ForFork1_#t~ret6#1=|v_thr2Thread3of3ForFork1_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread3of3ForFork1_#t~ret6#1][185], [240#true, Black: 261#true, 266#true, 215#L705true, 246#true, 153#L-1true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 271#true, 244#true, 242#true, 7#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, 13#L705true]) [2025-02-06 09:19:50,543 INFO L294 olderBase$Statistics]: this new event has 170 ancestors and is cut-off event [2025-02-06 09:19:50,543 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-02-06 09:19:50,543 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-02-06 09:19:50,543 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-02-06 09:19:50,560 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([750] L705-3-->L705: Formula: (and (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#mut~0.base_15| (store (select |v_#pthreadsMutex_18| |v_~#mut~0.base_15|) |v_~#mut~0.offset_15| 0))) (= |v_thr2Thread1of3ForFork1_#t~ret6#1_1| 0)) InVars {~#mut~0.offset=|v_~#mut~0.offset_15|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#mut~0.base=|v_~#mut~0.base_15|} OutVars{~#mut~0.offset=|v_~#mut~0.offset_15|, thr2Thread1of3ForFork1_#t~ret6#1=|v_thr2Thread1of3ForFork1_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#mut~0.base=|v_~#mut~0.base_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr2Thread1of3ForFork1_#t~ret6#1][124], [240#true, Black: 261#true, 266#true, 246#true, 153#L-1true, Black: 268#(= |thr2Thread1of3ForFork1_#t~nondet5#1| |#race~x~0|), 95#L705true, 260#(= |#race~n~0| 0), 214#L703true, 271#true, 244#true, 242#true, 7#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, 13#L705true]) [2025-02-06 09:19:50,560 INFO L294 olderBase$Statistics]: this new event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,560 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2025-02-06 09:19:50,561 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,561 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2025-02-06 09:19:50,595 INFO L124 PetriNetUnfolderBase]: 7415/26147 cut-off events. [2025-02-06 09:19:50,596 INFO L125 PetriNetUnfolderBase]: For 6164/10679 co-relation queries the response was YES. [2025-02-06 09:19:50,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45263 conditions, 26147 events. 7415/26147 cut-off events. For 6164/10679 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 340837 event pairs, 2911 based on Foata normal form. 7/22172 useless extension candidates. Maximal degree in co-relation 45219. Up to 4819 conditions per place. [2025-02-06 09:19:51,052 INFO L140 encePairwiseOnDemand]: 246/250 looper letters, 22 selfloop transitions, 0 changer transitions 4/212 dead transitions. [2025-02-06 09:19:51,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 212 transitions, 649 flow [2025-02-06 09:19:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:19:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 09:19:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1077 transitions. [2025-02-06 09:19:51,062 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8616 [2025-02-06 09:19:51,062 INFO L175 Difference]: Start difference. First operand has 198 places, 209 transitions, 591 flow. Second operand 5 states and 1077 transitions. [2025-02-06 09:19:51,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 212 transitions, 649 flow [2025-02-06 09:19:51,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 212 transitions, 621 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:19:51,110 INFO L231 Difference]: Finished difference. Result has 203 places, 208 transitions, 567 flow [2025-02-06 09:19:51,111 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=567, PETRI_PLACES=203, PETRI_TRANSITIONS=208} [2025-02-06 09:19:51,111 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -1 predicate places. [2025-02-06 09:19:51,112 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 208 transitions, 567 flow [2025-02-06 09:19:51,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 212.6) internal successors, (1063), 5 states have internal predecessors, (1063), 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) [2025-02-06 09:19:51,112 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:19:51,112 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] [2025-02-06 09:19:51,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-06 09:19:51,113 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-02-06 09:19:51,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:19:51,113 INFO L85 PathProgramCache]: Analyzing trace with hash 802422019, now seen corresponding path program 1 times [2025-02-06 09:19:51,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:19:51,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928144065] [2025-02-06 09:19:51,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:19:51,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:19:51,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 09:19:51,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 09:19:51,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:51,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:19:51,134 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:19:51,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 09:19:51,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 09:19:51,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:19:51,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:19:51,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:19:51,147 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 27 remaining) [2025-02-06 09:19:51,148 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2025-02-06 09:19:51,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2025-02-06 09:19:51,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-06 09:19:51,150 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:19:51,208 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2025-02-06 09:19:51,208 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:19:51,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:19:51 BasicIcfg [2025-02-06 09:19:51,214 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:19:51,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:19:51,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:19:51,214 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:19:51,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:19:39" (3/4) ... [2025-02-06 09:19:51,215 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-06 09:19:51,291 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 10. [2025-02-06 09:19:51,354 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:19:51,355 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:19:51,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:19:51,357 INFO L158 Benchmark]: Toolchain (without parser) took 12534.64ms. Allocated memory was 167.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 134.0MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 766.7MB. Max. memory is 16.1GB. [2025-02-06 09:19:51,358 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:19:51,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.85ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 113.8MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:19:51,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.56ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 111.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:19:51,358 INFO L158 Benchmark]: Boogie Preprocessor took 12.73ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 110.9MB in the end (delta: 905.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:19:51,359 INFO L158 Benchmark]: IcfgBuilder took 253.14ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 93.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:19:51,359 INFO L158 Benchmark]: TraceAbstraction took 11794.61ms. Allocated memory was 167.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 93.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 691.2MB. Max. memory is 16.1GB. [2025-02-06 09:19:51,359 INFO L158 Benchmark]: Witness Printer took 140.98ms. Allocated memory is still 2.4GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 09:19:51,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.85ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 113.8MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.56ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 111.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.73ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 110.9MB in the end (delta: 905.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 253.14ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 93.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11794.61ms. Allocated memory was 167.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 93.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 691.2MB. Max. memory is 16.1GB. * Witness Printer took 140.98ms. Allocated memory is still 2.4GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 694]: Data race detected Data race detected The following path leads to a data race: [L690] 0 volatile int x; VAL [x=0] [L691] 0 volatile int n; VAL [n=0, x=0] [L692] 0 pthread_mutex_t mut = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mut={3:0}, n=0, x=0] [L708] 0 pthread_t t1, t2; VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, mut={3:0}, n=0, x=0] [L709] 0 x = 0 VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, mut={3:0}, n=0, x=0] [L710] 0 n = __VERIFIER_nondet_uint() VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, mut={3:0}, n=10, x=0] [L711] EXPR 0 n >= (10/2) VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, mut={3:0}, n=10, x=0] [L711] EXPR 0 n >= (10/2) && n <= 10 VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, mut={3:0}, n=10, x=0] [L711] EXPR 0 n <= 10 VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, mut={3:0}, n=10, x=0] [L711] EXPR 0 n >= (10/2) && n <= 10 VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, mut={3:0}, n=10, x=0] [L711] CALL 0 assume_abort_if_not(n >= (10/2) && n <= 10) [L687] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, mut={3:0}, n=10, x=0] [L711] RET 0 assume_abort_if_not(n >= (10/2) && n <= 10) [L712] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, mut={3:0}, n=10, t1=-1, x=0] [L694] 1 x < n VAL [\old(arg)={0:0}, arg={0:0}, mut={3:0}, n=10, x=0] [L713] 0 int i = 0; VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, i=0, mut={3:0}, n=10, t1=-1, x=0] [L713] COND TRUE 0 i < n [L713] 0 i < n VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, i=0, mut={3:0}, n=10, t1=-1, x=0] [L713] COND TRUE 0 i < n VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, i=0, mut={3:0}, n=10, t1=-1, x=0] [L714] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [\old(argc)=52, \old(argv)={50:53}, argc=52, i=0, mut={3:0}, n=10, t1=-1, t2=0, x=0] [L697] 2 int t; VAL [\old(arg)={0:0}, arg={0:0}, mut={3:0}, n=10, x=0] [L698] 2 int k = __VERIFIER_nondet_uint(); VAL [\old(arg)={0:0}, arg={0:0}, k=10, mut={3:0}, n=10, x=0] [L699] CALL 2 assume_abort_if_not(k >= (10/2) && k <= 10) [L687] COND FALSE 2 !(!cond) VAL [\old(cond)=1, cond=1, mut={3:0}, n=10, x=0] [L699] RET 2 assume_abort_if_not(k >= (10/2) && k <= 10) [L701] 2 t = x VAL [\old(arg)={0:0}, arg={0:0}, k=10, mut={3:0}, n=10, t=0, x=0] [L702] 2 k == n VAL [\old(arg)={0:0}, arg={0:0}, k=10, mut={3:0}, n=10, t=0, x=0] [L702] COND TRUE 2 k == n VAL [\old(arg)={0:0}, arg={0:0}, k=10, mut={3:0}, n=10, t=0, x=0] [L703] 2 x = t + 1 VAL [\old(arg)={0:0}, arg={0:0}, k=10, mut={3:0}, n=10, t=0, x=1] [L694] 1 x < n VAL [\old(arg)={0:0}, arg={0:0}, mut={3:0}, n=10, x=1] Now there is a data race on ~x~0 between C: x = t + 1 [703] and C: x < n [694] - UnprovableResult [Line: 701]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 185 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 45 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 237 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 303 IncrementalHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 36 mSDtfsCounter, 303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=461occurred in iteration=5, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 9 procedures, 289 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 392 IncrementalHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 22 mSDtfsCounter, 392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=5, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-02-06 09:19:51,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)