./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-C-DAC/pthread-demo-datarace-1.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-C-DAC/pthread-demo-datarace-1.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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:04:23,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:04:23,781 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:04:23,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:04:23,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:04:23,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:04:23,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:04:23,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:04:23,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:04:23,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:04:23,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:04:23,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:04:23,825 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:04:23,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:04:23,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:04:23,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:04:23,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:04:23,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:04:23,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:04:23,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:04:23,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:04:23,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:04:23,833 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:04:23,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:04:23,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:04:23,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:04:23,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:04:23,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:04:23,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:04:23,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:04:23,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:04:23,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:04:23,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:04:23,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:04:23,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:04:23,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:04:23,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:04:23,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:04:23,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:04:23,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:04:23,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:04:23,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2024-10-11 17:04:24,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:04:24,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:04:24,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:04:24,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:04:24,123 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:04:24,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-10-11 17:04:25,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:04:25,767 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:04:25,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-10-11 17:04:25,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e46317b99/4481d4eba69441cd93ec8aa264cda5e0/FLAGe52d1a699 [2024-10-11 17:04:26,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e46317b99/4481d4eba69441cd93ec8aa264cda5e0 [2024-10-11 17:04:26,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:04:26,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:04:26,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:04:26,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:04:26,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:04:26,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197fd15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26, skipping insertion in model container [2024-10-11 17:04:26,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:04:26,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:04:26,644 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:04:26,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:04:26,785 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:04:26,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26 WrapperNode [2024-10-11 17:04:26,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:04:26,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:04:26,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:04:26,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:04:26,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,854 INFO L138 Inliner]: procedures = 364, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-10-11 17:04:26,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:04:26,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:04:26,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:04:26,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:04:26,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:04:26,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:04:26,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:04:26,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:04:26,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (1/1) ... [2024-10-11 17:04:26,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:04:26,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:04:26,937 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 17:04:26,969 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 17:04:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:04:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:04:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:04:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-10-11 17:04:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-10-11 17:04:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:04:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:04:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:04:27,039 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 17:04:27,157 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:04:27,159 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:04:27,352 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:04:27,352 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:04:27,375 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:04:27,375 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 17:04:27,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:04:27 BoogieIcfgContainer [2024-10-11 17:04:27,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:04:27,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:04:27,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:04:27,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:04:27,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:04:26" (1/3) ... [2024-10-11 17:04:27,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d006622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:04:27, skipping insertion in model container [2024-10-11 17:04:27,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:04:26" (2/3) ... [2024-10-11 17:04:27,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d006622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:04:27, skipping insertion in model container [2024-10-11 17:04:27,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:04:27" (3/3) ... [2024-10-11 17:04:27,388 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-10-11 17:04:27,406 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:04:27,407 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 17:04:27,407 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:04:27,458 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-11 17:04:27,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 117 transitions, 241 flow [2024-10-11 17:04:27,548 INFO L124 PetriNetUnfolderBase]: 8/116 cut-off events. [2024-10-11 17:04:27,548 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:04:27,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 8/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 159 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2024-10-11 17:04:27,554 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 117 transitions, 241 flow [2024-10-11 17:04:27,559 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 98 transitions, 202 flow [2024-10-11 17:04:27,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:04:27,580 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;@68bf24e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:04:27,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-10-11 17:04:27,590 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:04:27,591 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-10-11 17:04:27,591 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:04:27,591 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:04:27,592 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] [2024-10-11 17:04:27,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-11 17:04:27,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:04:27,599 INFO L85 PathProgramCache]: Analyzing trace with hash -966863138, now seen corresponding path program 1 times [2024-10-11 17:04:27,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:04:27,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184069258] [2024-10-11 17:04:27,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:04:27,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:04:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:04:27,837 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 17:04:27,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:04:27,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184069258] [2024-10-11 17:04:27,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184069258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:04:27,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:04:27,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:04:27,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919972773] [2024-10-11 17:04:27,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:04:27,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:04:27,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:04:27,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:04:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:04:27,948 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-10-11 17:04:27,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 98 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 17:04:27,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:04:27,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-10-11 17:04:27,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:04:28,034 INFO L124 PetriNetUnfolderBase]: 22/184 cut-off events. [2024-10-11 17:04:28,036 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-10-11 17:04:28,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 184 events. 22/184 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 543 event pairs, 16 based on Foata normal form. 20/184 useless extension candidates. Maximal degree in co-relation 189. Up to 51 conditions per place. [2024-10-11 17:04:28,042 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 14 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2024-10-11 17:04:28,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 92 transitions, 222 flow [2024-10-11 17:04:28,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:04:28,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:04:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2024-10-11 17:04:28,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8290598290598291 [2024-10-11 17:04:28,058 INFO L175 Difference]: Start difference. First operand has 96 places, 98 transitions, 202 flow. Second operand 3 states and 291 transitions. [2024-10-11 17:04:28,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 92 transitions, 222 flow [2024-10-11 17:04:28,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:04:28,067 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 190 flow [2024-10-11 17:04:28,069 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2024-10-11 17:04:28,074 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2024-10-11 17:04:28,074 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 190 flow [2024-10-11 17:04:28,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 17:04:28,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:04:28,076 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] [2024-10-11 17:04:28,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:04:28,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-11 17:04:28,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:04:28,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1282858937, now seen corresponding path program 1 times [2024-10-11 17:04:28,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:04:28,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7231810] [2024-10-11 17:04:28,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:04:28,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:04:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:04:28,210 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 17:04:28,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:04:28,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7231810] [2024-10-11 17:04:28,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7231810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:04:28,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:04:28,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:04:28,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759913674] [2024-10-11 17:04:28,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:04:28,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:04:28,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:04:28,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:04:28,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:04:28,249 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-10-11 17:04:28,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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 17:04:28,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:04:28,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-10-11 17:04:28,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:04:28,317 INFO L124 PetriNetUnfolderBase]: 50/294 cut-off events. [2024-10-11 17:04:28,317 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-10-11 17:04:28,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 294 events. 50/294 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1163 event pairs, 15 based on Foata normal form. 1/263 useless extension candidates. Maximal degree in co-relation 372. Up to 61 conditions per place. [2024-10-11 17:04:28,320 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 18 selfloop transitions, 6 changer transitions 3/101 dead transitions. [2024-10-11 17:04:28,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 101 transitions, 260 flow [2024-10-11 17:04:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:04:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:04:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2024-10-11 17:04:28,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2024-10-11 17:04:28,323 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 190 flow. Second operand 3 states and 299 transitions. [2024-10-11 17:04:28,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 101 transitions, 260 flow [2024-10-11 17:04:28,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 101 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:04:28,327 INFO L231 Difference]: Finished difference. Result has 95 places, 94 transitions, 229 flow [2024-10-11 17:04:28,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=95, PETRI_TRANSITIONS=94} [2024-10-11 17:04:28,328 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -1 predicate places. [2024-10-11 17:04:28,328 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 94 transitions, 229 flow [2024-10-11 17:04:28,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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 17:04:28,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:04:28,329 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] [2024-10-11 17:04:28,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:04:28,329 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-11 17:04:28,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:04:28,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1817293370, now seen corresponding path program 1 times [2024-10-11 17:04:28,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:04:28,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948215025] [2024-10-11 17:04:28,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:04:28,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:04:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:04:28,390 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 17:04:28,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:04:28,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948215025] [2024-10-11 17:04:28,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948215025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:04:28,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:04:28,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:04:28,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785305105] [2024-10-11 17:04:28,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:04:28,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:04:28,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:04:28,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:04:28,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:04:28,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-10-11 17:04:28,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 94 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 17:04:28,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:04:28,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-10-11 17:04:28,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:04:28,489 INFO L124 PetriNetUnfolderBase]: 70/361 cut-off events. [2024-10-11 17:04:28,489 INFO L125 PetriNetUnfolderBase]: For 122/130 co-relation queries the response was YES. [2024-10-11 17:04:28,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 361 events. 70/361 cut-off events. For 122/130 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1619 event pairs, 22 based on Foata normal form. 2/326 useless extension candidates. Maximal degree in co-relation 90. Up to 119 conditions per place. [2024-10-11 17:04:28,494 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 19 selfloop transitions, 7 changer transitions 0/101 dead transitions. [2024-10-11 17:04:28,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 101 transitions, 305 flow [2024-10-11 17:04:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:04:28,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:04:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-10-11 17:04:28,498 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8319088319088319 [2024-10-11 17:04:28,498 INFO L175 Difference]: Start difference. First operand has 95 places, 94 transitions, 229 flow. Second operand 3 states and 292 transitions. [2024-10-11 17:04:28,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 101 transitions, 305 flow [2024-10-11 17:04:28,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 101 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:04:28,502 INFO L231 Difference]: Finished difference. Result has 94 places, 99 transitions, 273 flow [2024-10-11 17:04:28,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=94, PETRI_TRANSITIONS=99} [2024-10-11 17:04:28,503 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2024-10-11 17:04:28,503 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 99 transitions, 273 flow [2024-10-11 17:04:28,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 17:04:28,503 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:04:28,504 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] [2024-10-11 17:04:28,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:04:28,504 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-11 17:04:28,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:04:28,505 INFO L85 PathProgramCache]: Analyzing trace with hash -804719682, now seen corresponding path program 1 times [2024-10-11 17:04:28,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:04:28,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910205635] [2024-10-11 17:04:28,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:04:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:04:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:04:28,636 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 17:04:28,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:04:28,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910205635] [2024-10-11 17:04:28,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910205635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:04:28,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:04:28,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:04:28,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868156017] [2024-10-11 17:04:28,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:04:28,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:04:28,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:04:28,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:04:28,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:04:28,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 117 [2024-10-11 17:04:28,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 99 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 17:04:28,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:04:28,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 117 [2024-10-11 17:04:28,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:04:28,744 INFO L124 PetriNetUnfolderBase]: 96/465 cut-off events. [2024-10-11 17:04:28,745 INFO L125 PetriNetUnfolderBase]: For 225/230 co-relation queries the response was YES. [2024-10-11 17:04:28,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 465 events. 96/465 cut-off events. For 225/230 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2328 event pairs, 25 based on Foata normal form. 2/422 useless extension candidates. Maximal degree in co-relation 303. Up to 142 conditions per place. [2024-10-11 17:04:28,748 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 19 selfloop transitions, 9 changer transitions 0/106 dead transitions. [2024-10-11 17:04:28,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 106 transitions, 357 flow [2024-10-11 17:04:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:04:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:04:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2024-10-11 17:04:28,752 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2024-10-11 17:04:28,752 INFO L175 Difference]: Start difference. First operand has 94 places, 99 transitions, 273 flow. Second operand 3 states and 297 transitions. [2024-10-11 17:04:28,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 106 transitions, 357 flow [2024-10-11 17:04:28,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 106 transitions, 339 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:04:28,758 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 327 flow [2024-10-11 17:04:28,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=96, PETRI_TRANSITIONS=104} [2024-10-11 17:04:28,760 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 0 predicate places. [2024-10-11 17:04:28,760 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 327 flow [2024-10-11 17:04:28,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 17:04:28,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:04:28,761 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] [2024-10-11 17:04:28,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:04:28,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-11 17:04:28,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:04:28,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2124875592, now seen corresponding path program 1 times [2024-10-11 17:04:28,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:04:28,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087188414] [2024-10-11 17:04:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:04:28,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:04:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:04:28,885 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 17:04:28,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:04:28,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087188414] [2024-10-11 17:04:28,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087188414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:04:28,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:04:28,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 17:04:28,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026087714] [2024-10-11 17:04:28,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:04:28,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:04:28,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:04:28,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:04:28,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:04:28,900 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 117 [2024-10-11 17:04:28,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 17:04:28,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:04:28,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 117 [2024-10-11 17:04:28,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:04:28,920 INFO L124 PetriNetUnfolderBase]: 4/115 cut-off events. [2024-10-11 17:04:28,920 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-10-11 17:04:28,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 115 events. 4/115 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 107 event pairs, 1 based on Foata normal form. 2/113 useless extension candidates. Maximal degree in co-relation 107. Up to 8 conditions per place. [2024-10-11 17:04:28,921 INFO L140 encePairwiseOnDemand]: 113/117 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2024-10-11 17:04:28,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 84 transitions, 217 flow [2024-10-11 17:04:28,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:04:28,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:04:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-10-11 17:04:28,923 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.886039886039886 [2024-10-11 17:04:28,923 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 327 flow. Second operand 3 states and 311 transitions. [2024-10-11 17:04:28,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 84 transitions, 217 flow [2024-10-11 17:04:28,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 84 transitions, 181 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-10-11 17:04:28,925 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-10-11 17:04:28,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-10-11 17:04:28,926 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -10 predicate places. [2024-10-11 17:04:28,926 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-10-11 17:04:28,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 17:04:28,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-10-11 17:04:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-10-11 17:04:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-10-11 17:04:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-10-11 17:04:28,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-10-11 17:04:28,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-10-11 17:04:28,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-10-11 17:04:28,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-10-11 17:04:28,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-10-11 17:04:28,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:04:28,932 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-11 17:04:28,937 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:04:28,938 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:04:28,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:04:28 BasicIcfg [2024-10-11 17:04:28,945 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:04:28,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:04:28,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:04:28,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:04:28,948 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:04:27" (3/4) ... [2024-10-11 17:04:28,949 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:04:28,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2024-10-11 17:04:28,956 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-11 17:04:28,957 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-11 17:04:28,958 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:04:28,958 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:04:29,052 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:04:29,052 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:04:29,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:04:29,053 INFO L158 Benchmark]: Toolchain (without parser) took 2961.22ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 94.7MB in the beginning and 99.4MB in the end (delta: -4.7MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-10-11 17:04:29,053 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:04:29,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.40ms. Allocated memory is still 151.0MB. Free memory was 94.1MB in the beginning and 53.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-11 17:04:29,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.09ms. Allocated memory is still 151.0MB. Free memory was 53.4MB in the beginning and 51.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:04:29,054 INFO L158 Benchmark]: Boogie Preprocessor took 42.19ms. Allocated memory is still 151.0MB. Free memory was 51.3MB in the beginning and 49.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:04:29,054 INFO L158 Benchmark]: RCFGBuilder took 476.33ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 49.2MB in the beginning and 151.2MB in the end (delta: -102.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-10-11 17:04:29,055 INFO L158 Benchmark]: TraceAbstraction took 1567.33ms. Allocated memory is still 195.0MB. Free memory was 150.1MB in the beginning and 103.6MB in the end (delta: 46.5MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-10-11 17:04:29,055 INFO L158 Benchmark]: Witness Printer took 106.90ms. Allocated memory is still 195.0MB. Free memory was 103.6MB in the beginning and 99.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:04:29,056 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.40ms. Allocated memory is still 151.0MB. Free memory was 94.1MB in the beginning and 53.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.09ms. Allocated memory is still 151.0MB. Free memory was 53.4MB in the beginning and 51.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.19ms. Allocated memory is still 151.0MB. Free memory was 51.3MB in the beginning and 49.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.33ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 49.2MB in the beginning and 151.2MB in the end (delta: -102.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1567.33ms. Allocated memory is still 195.0MB. Free memory was 150.1MB in the beginning and 103.6MB in the end (delta: 46.5MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Witness Printer took 106.90ms. Allocated memory is still 195.0MB. Free memory was 103.6MB in the beginning and 99.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: 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 3 procedures, 139 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 29 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 0.4s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:04:29,086 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 Result: TRUE