./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36c3c3dc239d6629a8ba20aca175d79c45880ab21458cd8ebdaac3a8ef359066 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:04:35,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:04:35,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:04:35,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:04:35,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:04:35,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:04:35,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:04:35,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:04:35,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:04:35,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:04:35,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:04:35,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:04:35,381 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:04:35,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:04:35,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:04:35,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:04:35,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:04:35,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:04:35,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:04:35,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:04:35,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:04:35,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:04:35,384 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:04:35,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:04:35,385 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:04:35,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:04:35,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:04:35,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:04:35,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:04:35,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:04:35,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:04:35,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:04:35,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:04:35,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:04:35,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:04:35,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:04:35,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:04:35,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:04:35,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:04:35,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:04:35,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:04:35,388 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c3c3dc239d6629a8ba20aca175d79c45880ab21458cd8ebdaac3a8ef359066 [2024-10-11 17:04:35,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:04:35,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:04:35,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:04:35,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:04:35,626 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:04:35,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i [2024-10-11 17:04:36,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:04:36,986 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:04:36,987 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/condvar_spurious_wakeup.i [2024-10-11 17:04:36,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/53cbb081d/8dfb877f78d84ed399dc3207c603e7a9/FLAGbc9496b7f [2024-10-11 17:04:37,371 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/53cbb081d/8dfb877f78d84ed399dc3207c603e7a9 [2024-10-11 17:04:37,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:04:37,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:04:37,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:04:37,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:04:37,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:04:37,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ca6ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37, skipping insertion in model container [2024-10-11 17:04:37,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:04:37,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:04:37,699 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:04:37,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:04:37,768 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:04:37,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37 WrapperNode [2024-10-11 17:04:37,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:04:37,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:04:37,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:04:37,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:04:37,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,814 INFO L138 Inliner]: procedures = 168, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-10-11 17:04:37,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:04:37,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:04:37,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:04:37,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:04:37,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:04:37,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:04:37,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:04:37,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:04:37,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (1/1) ... [2024-10-11 17:04:37,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:04:37,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:04:37,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:04:37,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:04:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:04:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:04:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:04:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-10-11 17:04:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-10-11 17:04:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:04:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:04:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:04:37,924 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:04:38,039 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:04:38,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:04:38,184 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:04:38,184 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:04:38,202 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:04:38,203 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 17:04:38,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:04:38 BoogieIcfgContainer [2024-10-11 17:04:38,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:04:38,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:04:38,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:04:38,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:04:38,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:04:37" (1/3) ... [2024-10-11 17:04:38,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d2d9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:04:38, skipping insertion in model container [2024-10-11 17:04:38,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:37" (2/3) ... [2024-10-11 17:04:38,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d2d9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:04:38, skipping insertion in model container [2024-10-11 17:04:38,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:04:38" (3/3) ... [2024-10-11 17:04:38,208 INFO L112 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2024-10-11 17:04:38,220 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:04:38,220 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 17:04:38,220 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:04:38,252 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-11 17:04:38,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 82 transitions, 171 flow [2024-10-11 17:04:38,306 INFO L124 PetriNetUnfolderBase]: 4/81 cut-off events. [2024-10-11 17:04:38,306 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:04:38,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 81 events. 4/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2024-10-11 17:04:38,311 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 82 transitions, 171 flow [2024-10-11 17:04:38,316 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 77 transitions, 157 flow [2024-10-11 17:04:38,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:04:38,333 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;@4eb5905a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:04:38,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-11 17:04:38,354 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:04:38,355 INFO L124 PetriNetUnfolderBase]: 1/59 cut-off events. [2024-10-11 17:04:38,355 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:04:38,356 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:04:38,356 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:04:38,357 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, threadErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-11 17:04:38,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:04:38,361 INFO L85 PathProgramCache]: Analyzing trace with hash -91995753, now seen corresponding path program 1 times [2024-10-11 17:04:38,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:04:38,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533098342] [2024-10-11 17:04:38,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:04:38,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:04:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:04:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:04:38,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:04:38,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533098342] [2024-10-11 17:04:38,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533098342] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:04:38,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:04:38,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:04:38,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423036638] [2024-10-11 17:04:38,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:04:38,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:04:38,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:04:38,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:04:38,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:04:38,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 82 [2024-10-11 17:04:38,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:04:38,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:04:38,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 82 [2024-10-11 17:04:38,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:04:38,735 INFO L124 PetriNetUnfolderBase]: 24/186 cut-off events. [2024-10-11 17:04:38,735 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:04:38,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 186 events. 24/186 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 648 event pairs, 6 based on Foata normal form. 23/188 useless extension candidates. Maximal degree in co-relation 198. Up to 34 conditions per place. [2024-10-11 17:04:38,738 INFO L140 encePairwiseOnDemand]: 74/82 looper letters, 13 selfloop transitions, 4 changer transitions 1/80 dead transitions. [2024-10-11 17:04:38,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 80 transitions, 199 flow [2024-10-11 17:04:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:04:38,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:04:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2024-10-11 17:04:38,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9065040650406504 [2024-10-11 17:04:38,750 INFO L175 Difference]: Start difference. First operand has 77 places, 77 transitions, 157 flow. Second operand 3 states and 223 transitions. [2024-10-11 17:04:38,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 80 transitions, 199 flow [2024-10-11 17:04:38,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 80 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:04:38,755 INFO L231 Difference]: Finished difference. Result has 79 places, 76 transitions, 178 flow [2024-10-11 17:04:38,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=79, PETRI_TRANSITIONS=76} [2024-10-11 17:04:38,759 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, 2 predicate places. [2024-10-11 17:04:38,759 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 76 transitions, 178 flow [2024-10-11 17:04:38,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:04:38,759 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:04:38,760 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:04:38,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:04:38,760 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, threadErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-11 17:04:38,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:04:38,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1008058022, now seen corresponding path program 1 times [2024-10-11 17:04:38,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:04:38,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863739154] [2024-10-11 17:04:38,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:04:38,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:04:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:04:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:04:38,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:04:38,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863739154] [2024-10-11 17:04:38,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863739154] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:04:38,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:04:38,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:04:38,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087949465] [2024-10-11 17:04:38,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:04:38,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:04:38,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:04:38,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:04:38,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:04:38,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 82 [2024-10-11 17:04:38,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:04:38,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:04:38,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 82 [2024-10-11 17:04:38,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:04:38,896 INFO L124 PetriNetUnfolderBase]: 14/165 cut-off events. [2024-10-11 17:04:38,897 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-10-11 17:04:38,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 165 events. 14/165 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 491 event pairs, 4 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 209. Up to 23 conditions per place. [2024-10-11 17:04:38,899 INFO L140 encePairwiseOnDemand]: 78/82 looper letters, 8 selfloop transitions, 3 changer transitions 2/79 dead transitions. [2024-10-11 17:04:38,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 79 transitions, 214 flow [2024-10-11 17:04:38,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:04:38,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:04:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 220 transitions. [2024-10-11 17:04:38,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8943089430894309 [2024-10-11 17:04:38,901 INFO L175 Difference]: Start difference. First operand has 79 places, 76 transitions, 178 flow. Second operand 3 states and 220 transitions. [2024-10-11 17:04:38,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 79 transitions, 214 flow [2024-10-11 17:04:38,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 79 transitions, 204 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:04:38,903 INFO L231 Difference]: Finished difference. Result has 81 places, 77 transitions, 192 flow [2024-10-11 17:04:38,904 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=81, PETRI_TRANSITIONS=77} [2024-10-11 17:04:38,904 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, 4 predicate places. [2024-10-11 17:04:38,904 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 77 transitions, 192 flow [2024-10-11 17:04:38,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:04:38,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:04:38,905 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:04:38,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:04:38,905 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, threadErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-10-11 17:04:38,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:04:38,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2071951507, now seen corresponding path program 1 times [2024-10-11 17:04:38,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:04:38,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50996003] [2024-10-11 17:04:38,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:04:38,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:04:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 17:04:38,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 17:04:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 17:04:38,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 17:04:38,966 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 17:04:38,967 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-10-11 17:04:38,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-11 17:04:38,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-10-11 17:04:38,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-10-11 17:04:38,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:04:38,970 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 17:04:38,993 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:04:38,993 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:04:38,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:04:38 BasicIcfg [2024-10-11 17:04:38,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:04:38,998 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:04:38,998 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:04:38,999 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:04:38,999 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:04:38" (3/4) ... [2024-10-11 17:04:39,000 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 17:04:39,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:04:39,001 INFO L158 Benchmark]: Toolchain (without parser) took 1624.68ms. Allocated memory is still 169.9MB. Free memory was 134.4MB in the beginning and 59.1MB in the end (delta: 75.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-10-11 17:04:39,002 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:04:39,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.44ms. Allocated memory is still 169.9MB. Free memory was 134.4MB in the beginning and 111.4MB in the end (delta: 23.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 17:04:39,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.57ms. Allocated memory is still 169.9MB. Free memory was 111.4MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:04:39,004 INFO L158 Benchmark]: Boogie Preprocessor took 30.47ms. Allocated memory is still 169.9MB. Free memory was 109.2MB in the beginning and 107.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:04:39,004 INFO L158 Benchmark]: RCFGBuilder took 356.04ms. Allocated memory is still 169.9MB. Free memory was 107.2MB in the beginning and 131.6MB in the end (delta: -24.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 17:04:39,004 INFO L158 Benchmark]: TraceAbstraction took 793.68ms. Allocated memory is still 169.9MB. Free memory was 130.4MB in the beginning and 59.1MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-10-11 17:04:39,005 INFO L158 Benchmark]: Witness Printer took 2.66ms. Allocated memory is still 169.9MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:04:39,006 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.44ms. Allocated memory is still 169.9MB. Free memory was 134.4MB in the beginning and 111.4MB in the end (delta: 23.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.57ms. Allocated memory is still 169.9MB. Free memory was 111.4MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.47ms. Allocated memory is still 169.9MB. Free memory was 109.2MB in the beginning and 107.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.04ms. Allocated memory is still 169.9MB. Free memory was 107.2MB in the beginning and 131.6MB in the end (delta: -24.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 793.68ms. Allocated memory is still 169.9MB. Free memory was 130.4MB in the beginning and 59.1MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 2.66ms. Allocated memory is still 169.9MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 714]: Data race detected Data race detected The following path leads to a data race: [L697] 0 pthread_mutex_t lock; VAL [lock={3:0}] [L698] 0 pthread_cond_t cond; VAL [lock={3:0}] [L699] 0 int x; VAL [lock={3:0}, x=0] [L709] 0 pthread_t t; VAL [lock={3:0}, x=0] [L712] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [lock={3:0}, t=-1, x=0] [L713] 0 int i = 0; VAL [i=0, lock={3:0}, t=-1, x=0] [L713] COND TRUE 0 i <= 42 VAL [i=0, lock={3:0}, t=-1, x=0] [L714] 0 x = i VAL [i=0, lock={3:0}, t=-1, x=0] [L704] 1 x == 42 VAL [\old(arg)={0:0}, arg={0:0}, lock={3:0}, x=0] [L714] 0 x = i VAL [i=0, lock={3:0}, t=-1, x=0] Now there is a data race on ~x~0 between C: x == 42 [704] and C: x = i [714] - UnprovableResult [Line: 712]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 100 locations, 4 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: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 0.2s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-11 17:04:39,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE