./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/stateful01-2.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/stateful01-2.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 e2334be94e5a4379173e8ce9878c152630508647bf4da61c6cf055a5b5360d8e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 08:57:22,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 08:57:22,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 08:57:22,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 08:57:22,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 08:57:22,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 08:57:22,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 08:57:22,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 08:57:22,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 08:57:22,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 08:57:22,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 08:57:22,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 08:57:22,254 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 08:57:22,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 08:57:22,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 08:57:22,255 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 08:57:22,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 08:57:22,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 08:57:22,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 08:57:22,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 08:57:22,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 08:57:22,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 08:57:22,256 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 08:57:22,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 08:57:22,256 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 08:57:22,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 08:57:22,256 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 08:57:22,256 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 08:57:22,256 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 08:57:22,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 08:57:22,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 08:57:22,258 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 -> e2334be94e5a4379173e8ce9878c152630508647bf4da61c6cf055a5b5360d8e [2025-02-06 08:57:22,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 08:57:22,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 08:57:22,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 08:57:22,552 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 08:57:22,553 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 08:57:22,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stateful01-2.i [2025-02-06 08:57:23,891 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5249a78be/29ca16c73c084be4b08b70c1684dd98b/FLAG2fe181718 [2025-02-06 08:57:24,170 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 08:57:24,171 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/stateful01-2.i [2025-02-06 08:57:24,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5249a78be/29ca16c73c084be4b08b70c1684dd98b/FLAG2fe181718 [2025-02-06 08:57:24,204 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5249a78be/29ca16c73c084be4b08b70c1684dd98b [2025-02-06 08:57:24,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 08:57:24,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 08:57:24,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 08:57:24,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 08:57:24,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 08:57:24,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1545dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24, skipping insertion in model container [2025-02-06 08:57:24,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 08:57:24,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 08:57:24,576 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 08:57:24,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 08:57:24,663 INFO L204 MainTranslator]: Completed translation [2025-02-06 08:57:24,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24 WrapperNode [2025-02-06 08:57:24,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 08:57:24,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 08:57:24,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 08:57:24,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 08:57:24,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,706 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2025-02-06 08:57:24,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 08:57:24,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 08:57:24,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 08:57:24,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 08:57:24,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 08:57:24,746 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 08:57:24,746 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 08:57:24,746 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 08:57:24,747 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (1/1) ... [2025-02-06 08:57:24,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 08:57:24,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 08:57:24,777 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 08:57:24,780 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 08:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 08:57:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 08:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 08:57:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 08:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 08:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 08:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 08:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 08:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 08:57:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 08:57:24,799 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 08:57:24,913 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 08:57:24,914 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 08:57:25,116 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 08:57:25,116 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 08:57:25,141 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 08:57:25,142 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 08:57:25,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:57:25 BoogieIcfgContainer [2025-02-06 08:57:25,142 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 08:57:25,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 08:57:25,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 08:57:25,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 08:57:25,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 08:57:24" (1/3) ... [2025-02-06 08:57:25,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c8a38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 08:57:25, skipping insertion in model container [2025-02-06 08:57:25,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 08:57:24" (2/3) ... [2025-02-06 08:57:25,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c8a38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 08:57:25, skipping insertion in model container [2025-02-06 08:57:25,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:57:25" (3/3) ... [2025-02-06 08:57:25,150 INFO L128 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2025-02-06 08:57:25,162 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 08:57:25,164 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stateful01-2.i that has 3 procedures, 140 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2025-02-06 08:57:25,164 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 08:57:25,226 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 08:57:25,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 142 transitions, 298 flow [2025-02-06 08:57:25,327 INFO L124 PetriNetUnfolderBase]: 3/140 cut-off events. [2025-02-06 08:57:25,329 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 08:57:25,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 140 events. 3/140 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 137 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2025-02-06 08:57:25,334 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 142 transitions, 298 flow [2025-02-06 08:57:25,337 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 123 transitions, 258 flow [2025-02-06 08:57:25,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 08:57:25,353 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;@3ab19790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 08:57:25,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-02-06 08:57:25,365 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 08:57:25,367 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2025-02-06 08:57:25,367 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 08:57:25,367 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:25,368 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] [2025-02-06 08:57:25,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:25,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:25,376 INFO L85 PathProgramCache]: Analyzing trace with hash -851469160, now seen corresponding path program 1 times [2025-02-06 08:57:25,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:25,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225410791] [2025-02-06 08:57:25,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:25,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:25,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 08:57:25,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 08:57:25,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:25,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:25,595 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 08:57:25,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:25,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225410791] [2025-02-06 08:57:25,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225410791] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:25,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:25,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:25,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487044766] [2025-02-06 08:57:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:25,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:25,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:25,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:25,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:25,701 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 142 [2025-02-06 08:57:25,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 123 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 08:57:25,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:25,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 142 [2025-02-06 08:57:25,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:25,839 INFO L124 PetriNetUnfolderBase]: 48/400 cut-off events. [2025-02-06 08:57:25,839 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-02-06 08:57:25,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 400 events. 48/400 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1774 event pairs, 48 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 447. Up to 117 conditions per place. [2025-02-06 08:57:25,847 INFO L140 encePairwiseOnDemand]: 139/142 looper letters, 20 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2025-02-06 08:57:25,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 122 transitions, 300 flow [2025-02-06 08:57:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2025-02-06 08:57:25,858 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.863849765258216 [2025-02-06 08:57:25,859 INFO L175 Difference]: Start difference. First operand has 130 places, 123 transitions, 258 flow. Second operand 3 states and 368 transitions. [2025-02-06 08:57:25,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 122 transitions, 300 flow [2025-02-06 08:57:25,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 122 transitions, 292 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 08:57:25,870 INFO L231 Difference]: Finished difference. Result has 127 places, 122 transitions, 252 flow [2025-02-06 08:57:25,873 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=127, PETRI_TRANSITIONS=122} [2025-02-06 08:57:25,878 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2025-02-06 08:57:25,878 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 122 transitions, 252 flow [2025-02-06 08:57:25,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 08:57:25,879 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:25,879 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] [2025-02-06 08:57:25,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 08:57:25,879 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:25,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:25,880 INFO L85 PathProgramCache]: Analyzing trace with hash -461605259, now seen corresponding path program 1 times [2025-02-06 08:57:25,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:25,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621445695] [2025-02-06 08:57:25,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:25,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:25,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 08:57:25,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 08:57:25,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:25,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:25,959 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 08:57:25,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:25,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621445695] [2025-02-06 08:57:25,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621445695] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:25,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:25,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:25,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371220302] [2025-02-06 08:57:25,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:25,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:25,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:25,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:25,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:26,006 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 142 [2025-02-06 08:57:26,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 122 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 08:57:26,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:26,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 142 [2025-02-06 08:57:26,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:26,097 INFO L124 PetriNetUnfolderBase]: 48/399 cut-off events. [2025-02-06 08:57:26,097 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-06 08:57:26,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 399 events. 48/399 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1739 event pairs, 48 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 491. Up to 117 conditions per place. [2025-02-06 08:57:26,100 INFO L140 encePairwiseOnDemand]: 139/142 looper letters, 20 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2025-02-06 08:57:26,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 121 transitions, 294 flow [2025-02-06 08:57:26,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2025-02-06 08:57:26,103 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.863849765258216 [2025-02-06 08:57:26,103 INFO L175 Difference]: Start difference. First operand has 127 places, 122 transitions, 252 flow. Second operand 3 states and 368 transitions. [2025-02-06 08:57:26,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 121 transitions, 294 flow [2025-02-06 08:57:26,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 121 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:26,106 INFO L231 Difference]: Finished difference. Result has 126 places, 121 transitions, 250 flow [2025-02-06 08:57:26,106 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=126, PETRI_TRANSITIONS=121} [2025-02-06 08:57:26,107 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -4 predicate places. [2025-02-06 08:57:26,107 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 121 transitions, 250 flow [2025-02-06 08:57:26,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 08:57:26,108 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:26,108 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] [2025-02-06 08:57:26,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 08:57:26,108 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:26,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:26,109 INFO L85 PathProgramCache]: Analyzing trace with hash 195917336, now seen corresponding path program 1 times [2025-02-06 08:57:26,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:26,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39025782] [2025-02-06 08:57:26,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:26,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 08:57:26,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 08:57:26,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:26,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:26,184 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 08:57:26,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:26,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39025782] [2025-02-06 08:57:26,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39025782] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:26,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:26,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:26,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740121501] [2025-02-06 08:57:26,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:26,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:26,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:26,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:26,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:26,223 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 142 [2025-02-06 08:57:26,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 08:57:26,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:26,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 142 [2025-02-06 08:57:26,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:26,362 INFO L124 PetriNetUnfolderBase]: 84/526 cut-off events. [2025-02-06 08:57:26,363 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-02-06 08:57:26,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 526 events. 84/526 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2702 event pairs, 38 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 691. Up to 129 conditions per place. [2025-02-06 08:57:26,369 INFO L140 encePairwiseOnDemand]: 132/142 looper letters, 32 selfloop transitions, 7 changer transitions 0/136 dead transitions. [2025-02-06 08:57:26,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 136 transitions, 360 flow [2025-02-06 08:57:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2025-02-06 08:57:26,371 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9084507042253521 [2025-02-06 08:57:26,371 INFO L175 Difference]: Start difference. First operand has 126 places, 121 transitions, 250 flow. Second operand 3 states and 387 transitions. [2025-02-06 08:57:26,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 136 transitions, 360 flow [2025-02-06 08:57:26,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 136 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:26,376 INFO L231 Difference]: Finished difference. Result has 127 places, 126 transitions, 300 flow [2025-02-06 08:57:26,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=127, PETRI_TRANSITIONS=126} [2025-02-06 08:57:26,379 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2025-02-06 08:57:26,379 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 126 transitions, 300 flow [2025-02-06 08:57:26,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 08:57:26,380 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:26,380 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] [2025-02-06 08:57:26,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 08:57:26,381 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:26,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:26,382 INFO L85 PathProgramCache]: Analyzing trace with hash -844014069, now seen corresponding path program 1 times [2025-02-06 08:57:26,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:26,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364926020] [2025-02-06 08:57:26,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:26,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:26,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 08:57:26,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 08:57:26,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:26,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:26,451 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 08:57:26,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:26,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364926020] [2025-02-06 08:57:26,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364926020] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:26,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:26,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:26,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670519554] [2025-02-06 08:57:26,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:26,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:26,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:26,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:26,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:26,486 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2025-02-06 08:57:26,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 126 transitions, 300 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 08:57:26,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:26,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2025-02-06 08:57:26,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:26,613 INFO L124 PetriNetUnfolderBase]: 103/616 cut-off events. [2025-02-06 08:57:26,614 INFO L125 PetriNetUnfolderBase]: For 146/160 co-relation queries the response was YES. [2025-02-06 08:57:26,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 616 events. 103/616 cut-off events. For 146/160 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3567 event pairs, 60 based on Foata normal form. 6/565 useless extension candidates. Maximal degree in co-relation 812. Up to 195 conditions per place. [2025-02-06 08:57:26,619 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 29 selfloop transitions, 7 changer transitions 0/136 dead transitions. [2025-02-06 08:57:26,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 136 transitions, 403 flow [2025-02-06 08:57:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2025-02-06 08:57:26,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8990610328638498 [2025-02-06 08:57:26,623 INFO L175 Difference]: Start difference. First operand has 127 places, 126 transitions, 300 flow. Second operand 3 states and 383 transitions. [2025-02-06 08:57:26,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 136 transitions, 403 flow [2025-02-06 08:57:26,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 136 transitions, 385 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:26,629 INFO L231 Difference]: Finished difference. Result has 129 places, 131 transitions, 342 flow [2025-02-06 08:57:26,630 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=129, PETRI_TRANSITIONS=131} [2025-02-06 08:57:26,631 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -1 predicate places. [2025-02-06 08:57:26,631 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 131 transitions, 342 flow [2025-02-06 08:57:26,632 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 08:57:26,632 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:26,632 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] [2025-02-06 08:57:26,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 08:57:26,633 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:26,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:26,634 INFO L85 PathProgramCache]: Analyzing trace with hash -620819781, now seen corresponding path program 1 times [2025-02-06 08:57:26,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:26,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548488208] [2025-02-06 08:57:26,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:26,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:26,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 08:57:26,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 08:57:26,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:26,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:26,699 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 08:57:26,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:26,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548488208] [2025-02-06 08:57:26,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548488208] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:26,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:26,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:26,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191940083] [2025-02-06 08:57:26,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:26,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:26,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:26,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:26,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:26,737 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2025-02-06 08:57:26,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 131 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 08:57:26,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:26,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2025-02-06 08:57:26,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:26,868 INFO L124 PetriNetUnfolderBase]: 122/738 cut-off events. [2025-02-06 08:57:26,868 INFO L125 PetriNetUnfolderBase]: For 266/274 co-relation queries the response was YES. [2025-02-06 08:57:26,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1239 conditions, 738 events. 122/738 cut-off events. For 266/274 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4439 event pairs, 62 based on Foata normal form. 2/661 useless extension candidates. Maximal degree in co-relation 1025. Up to 220 conditions per place. [2025-02-06 08:57:26,872 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 30 selfloop transitions, 9 changer transitions 0/141 dead transitions. [2025-02-06 08:57:26,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 141 transitions, 455 flow [2025-02-06 08:57:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:26,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2025-02-06 08:57:26,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8990610328638498 [2025-02-06 08:57:26,874 INFO L175 Difference]: Start difference. First operand has 129 places, 131 transitions, 342 flow. Second operand 3 states and 383 transitions. [2025-02-06 08:57:26,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 141 transitions, 455 flow [2025-02-06 08:57:26,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 141 transitions, 437 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:26,880 INFO L231 Difference]: Finished difference. Result has 131 places, 136 transitions, 396 flow [2025-02-06 08:57:26,881 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=131, PETRI_TRANSITIONS=136} [2025-02-06 08:57:26,882 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 1 predicate places. [2025-02-06 08:57:26,884 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 136 transitions, 396 flow [2025-02-06 08:57:26,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 08:57:26,885 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:26,885 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] [2025-02-06 08:57:26,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 08:57:26,885 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:26,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:26,886 INFO L85 PathProgramCache]: Analyzing trace with hash -153715057, now seen corresponding path program 1 times [2025-02-06 08:57:26,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:26,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288474791] [2025-02-06 08:57:26,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:26,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:26,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 08:57:26,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 08:57:26,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:26,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:26,937 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 08:57:26,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:26,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288474791] [2025-02-06 08:57:26,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288474791] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:26,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:26,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:26,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103489213] [2025-02-06 08:57:26,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:26,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:26,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:26,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:26,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:26,963 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 142 [2025-02-06 08:57:26,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 136 transitions, 396 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 08:57:26,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:26,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 142 [2025-02-06 08:57:26,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:27,072 INFO L124 PetriNetUnfolderBase]: 102/695 cut-off events. [2025-02-06 08:57:27,073 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2025-02-06 08:57:27,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1173 conditions, 695 events. 102/695 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4138 event pairs, 44 based on Foata normal form. 1/649 useless extension candidates. Maximal degree in co-relation 986. Up to 146 conditions per place. [2025-02-06 08:57:27,077 INFO L140 encePairwiseOnDemand]: 132/142 looper letters, 30 selfloop transitions, 6 changer transitions 6/151 dead transitions. [2025-02-06 08:57:27,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 151 transitions, 504 flow [2025-02-06 08:57:27,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:27,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2025-02-06 08:57:27,079 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9061032863849765 [2025-02-06 08:57:27,079 INFO L175 Difference]: Start difference. First operand has 131 places, 136 transitions, 396 flow. Second operand 3 states and 386 transitions. [2025-02-06 08:57:27,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 151 transitions, 504 flow [2025-02-06 08:57:27,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 151 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:27,083 INFO L231 Difference]: Finished difference. Result has 132 places, 135 transitions, 413 flow [2025-02-06 08:57:27,083 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=413, PETRI_PLACES=132, PETRI_TRANSITIONS=135} [2025-02-06 08:57:27,084 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, 2 predicate places. [2025-02-06 08:57:27,084 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 135 transitions, 413 flow [2025-02-06 08:57:27,084 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 08:57:27,084 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:27,085 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] [2025-02-06 08:57:27,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 08:57:27,085 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:27,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:27,086 INFO L85 PathProgramCache]: Analyzing trace with hash -172476457, now seen corresponding path program 1 times [2025-02-06 08:57:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:27,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431535626] [2025-02-06 08:57:27,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:27,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 08:57:27,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 08:57:27,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:27,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:27,211 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 08:57:27,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431535626] [2025-02-06 08:57:27,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431535626] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:27,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:27,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 08:57:27,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335375003] [2025-02-06 08:57:27,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:27,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:27,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:27,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:27,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:27,227 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 142 [2025-02-06 08:57:27,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 135 transitions, 413 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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 08:57:27,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:27,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 142 [2025-02-06 08:57:27,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:27,272 INFO L124 PetriNetUnfolderBase]: 12/237 cut-off events. [2025-02-06 08:57:27,273 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2025-02-06 08:57:27,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 237 events. 12/237 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 589 event pairs, 4 based on Foata normal form. 8/235 useless extension candidates. Maximal degree in co-relation 180. Up to 27 conditions per place. [2025-02-06 08:57:27,274 INFO L140 encePairwiseOnDemand]: 134/142 looper letters, 8 selfloop transitions, 8 changer transitions 0/109 dead transitions. [2025-02-06 08:57:27,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 109 transitions, 307 flow [2025-02-06 08:57:27,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2025-02-06 08:57:27,276 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.92018779342723 [2025-02-06 08:57:27,276 INFO L175 Difference]: Start difference. First operand has 132 places, 135 transitions, 413 flow. Second operand 3 states and 392 transitions. [2025-02-06 08:57:27,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 109 transitions, 307 flow [2025-02-06 08:57:27,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 109 transitions, 255 flow, removed 10 selfloop flow, removed 10 redundant places. [2025-02-06 08:57:27,279 INFO L231 Difference]: Finished difference. Result has 112 places, 107 transitions, 233 flow [2025-02-06 08:57:27,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=112, PETRI_TRANSITIONS=107} [2025-02-06 08:57:27,280 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -18 predicate places. [2025-02-06 08:57:27,280 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 107 transitions, 233 flow [2025-02-06 08:57:27,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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 08:57:27,280 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:27,280 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] [2025-02-06 08:57:27,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 08:57:27,281 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:27,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:27,281 INFO L85 PathProgramCache]: Analyzing trace with hash -422022077, now seen corresponding path program 1 times [2025-02-06 08:57:27,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:27,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747737920] [2025-02-06 08:57:27,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:27,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:27,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 08:57:27,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 08:57:27,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:27,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:27,350 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 08:57:27,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:27,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747737920] [2025-02-06 08:57:27,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747737920] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:27,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:27,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:27,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174488594] [2025-02-06 08:57:27,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:27,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:27,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:27,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:27,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:27,378 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2025-02-06 08:57:27,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 107 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 08:57:27,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:27,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2025-02-06 08:57:27,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:27,423 INFO L124 PetriNetUnfolderBase]: 19/268 cut-off events. [2025-02-06 08:57:27,424 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2025-02-06 08:57:27,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 268 events. 19/268 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 796 event pairs, 17 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 222. Up to 70 conditions per place. [2025-02-06 08:57:27,425 INFO L140 encePairwiseOnDemand]: 139/142 looper letters, 17 selfloop transitions, 2 changer transitions 4/107 dead transitions. [2025-02-06 08:57:27,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 107 transitions, 274 flow [2025-02-06 08:57:27,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2025-02-06 08:57:27,427 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8732394366197183 [2025-02-06 08:57:27,427 INFO L175 Difference]: Start difference. First operand has 112 places, 107 transitions, 233 flow. Second operand 3 states and 372 transitions. [2025-02-06 08:57:27,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 107 transitions, 274 flow [2025-02-06 08:57:27,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 107 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 08:57:27,429 INFO L231 Difference]: Finished difference. Result has 112 places, 102 transitions, 218 flow [2025-02-06 08:57:27,429 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=112, PETRI_TRANSITIONS=102} [2025-02-06 08:57:27,430 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -18 predicate places. [2025-02-06 08:57:27,430 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 102 transitions, 218 flow [2025-02-06 08:57:27,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 08:57:27,430 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 08:57:27,430 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] [2025-02-06 08:57:27,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 08:57:27,430 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-02-06 08:57:27,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 08:57:27,431 INFO L85 PathProgramCache]: Analyzing trace with hash -2139896783, now seen corresponding path program 1 times [2025-02-06 08:57:27,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 08:57:27,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140358721] [2025-02-06 08:57:27,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 08:57:27,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 08:57:27,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 08:57:27,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 08:57:27,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 08:57:27,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 08:57:27,488 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 08:57:27,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 08:57:27,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140358721] [2025-02-06 08:57:27,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140358721] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 08:57:27,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 08:57:27,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 08:57:27,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356691921] [2025-02-06 08:57:27,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 08:57:27,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 08:57:27,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 08:57:27,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 08:57:27,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 08:57:27,515 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 142 [2025-02-06 08:57:27,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 102 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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 08:57:27,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 08:57:27,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 142 [2025-02-06 08:57:27,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 08:57:27,547 INFO L124 PetriNetUnfolderBase]: 16/228 cut-off events. [2025-02-06 08:57:27,547 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-02-06 08:57:27,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 228 events. 16/228 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 581 event pairs, 14 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 201. Up to 59 conditions per place. [2025-02-06 08:57:27,548 INFO L140 encePairwiseOnDemand]: 139/142 looper letters, 0 selfloop transitions, 0 changer transitions 102/102 dead transitions. [2025-02-06 08:57:27,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 102 transitions, 257 flow [2025-02-06 08:57:27,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 08:57:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 08:57:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2025-02-06 08:57:27,550 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8708920187793427 [2025-02-06 08:57:27,550 INFO L175 Difference]: Start difference. First operand has 112 places, 102 transitions, 218 flow. Second operand 3 states and 371 transitions. [2025-02-06 08:57:27,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 102 transitions, 257 flow [2025-02-06 08:57:27,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 102 transitions, 253 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 08:57:27,551 INFO L231 Difference]: Finished difference. Result has 107 places, 0 transitions, 0 flow [2025-02-06 08:57:27,551 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=107, PETRI_TRANSITIONS=0} [2025-02-06 08:57:27,552 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -23 predicate places. [2025-02-06 08:57:27,552 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 0 transitions, 0 flow [2025-02-06 08:57:27,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2025-02-06 08:57:27,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2025-02-06 08:57:27,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2025-02-06 08:57:27,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2025-02-06 08:57:27,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2025-02-06 08:57:27,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2025-02-06 08:57:27,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2025-02-06 08:57:27,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 08:57:27,556 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 08:57:27,562 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 08:57:27,562 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 08:57:27,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 08:57:27 BasicIcfg [2025-02-06 08:57:27,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 08:57:27,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 08:57:27,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 08:57:27,570 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 08:57:27,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 08:57:25" (3/4) ... [2025-02-06 08:57:27,572 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 08:57:27,574 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 08:57:27,574 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 08:57:27,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-06 08:57:27,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 08:57:27,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 08:57:27,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 08:57:27,660 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 08:57:27,661 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 08:57:27,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 08:57:27,661 INFO L158 Benchmark]: Toolchain (without parser) took 3453.69ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 107.9MB in the end (delta: 4.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2025-02-06 08:57:27,661 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 08:57:27,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.82ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 92.0MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 08:57:27,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.60ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 08:57:27,662 INFO L158 Benchmark]: Boogie Preprocessor took 34.34ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 89.3MB in the end (delta: 883.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 08:57:27,662 INFO L158 Benchmark]: IcfgBuilder took 396.25ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 71.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 08:57:27,662 INFO L158 Benchmark]: TraceAbstraction took 2424.50ms. Allocated memory is still 142.6MB. Free memory was 71.0MB in the beginning and 46.3MB in the end (delta: 24.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2025-02-06 08:57:27,662 INFO L158 Benchmark]: Witness Printer took 91.26ms. Allocated memory is still 142.6MB. Free memory was 46.3MB in the beginning and 107.9MB in the end (delta: -61.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 08:57:27,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.82ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 92.0MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.60ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.34ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 89.3MB in the end (delta: 883.4kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 396.25ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 71.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2424.50ms. Allocated memory is still 142.6MB. Free memory was 71.0MB in the beginning and 46.3MB in the end (delta: 24.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 91.26ms. Allocated memory is still 142.6MB. Free memory was 46.3MB in the beginning and 107.9MB in the end (delta: -61.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 206 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: 2.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 47 mSDtfsCounter, 485 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=6, InterpolantAutomatonStates: 27, 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, 0.5s InterpolantComputationTime, 479 NumberOfCodeBlocks, 479 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 08:57:27,679 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 Result: TRUE