./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/goblint-regression/04-mutex_15-funarg_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:03:49,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:03:49,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:03:49,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:03:49,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:03:49,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:03:49,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:03:49,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:03:49,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:03:49,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:03:49,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:03:49,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:03:49,934 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:03:49,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:03:49,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:03:49,937 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:03:49,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:03:49,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:03:49,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:03:49,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:03:49,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:03:49,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:03:49,942 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:03:49,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:03:49,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:03:49,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:03:49,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:03:49,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:03:49,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:03:49,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:03:49,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:03:49,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:03:49,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:03:49,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:03:49,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:03:49,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:03:49,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:03:49,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:03:49,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:03:49,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:03:49,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:03:49,962 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 [2024-10-14 17:03:50,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:03:50,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:03:50,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:03:50,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:03:50,190 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:03:50,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2024-10-14 17:03:51,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:03:51,844 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:03:51,845 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2024-10-14 17:03:51,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35fdab40f/2a21e4a64d4d485ebcf96d88a2744001/FLAG541677dce [2024-10-14 17:03:51,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35fdab40f/2a21e4a64d4d485ebcf96d88a2744001 [2024-10-14 17:03:51,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:03:51,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:03:51,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:03:51,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:03:51,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:03:51,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:03:51" (1/1) ... [2024-10-14 17:03:51,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e378ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:51, skipping insertion in model container [2024-10-14 17:03:51,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:03:51" (1/1) ... [2024-10-14 17:03:51,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:03:52,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:03:52,338 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:03:52,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:03:52,451 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:03:52,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52 WrapperNode [2024-10-14 17:03:52,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:03:52,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:03:52,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:03:52,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:03:52,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,514 INFO L138 Inliner]: procedures = 263, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-10-14 17:03:52,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:03:52,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:03:52,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:03:52,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:03:52,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:03:52,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:03:52,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:03:52,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:03:52,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (1/1) ... [2024-10-14 17:03:52,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:03:52,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:03:52,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 17:03:52,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 17:03:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 17:03:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 17:03:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:03:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-14 17:03:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-14 17:03:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:03:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:03:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:03:52,614 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:03:52,718 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:03:52,719 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:03:52,844 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:03:52,847 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:03:52,885 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:03:52,886 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 17:03:52,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:03:52 BoogieIcfgContainer [2024-10-14 17:03:52,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:03:52,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:03:52,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:03:52,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:03:52,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:03:51" (1/3) ... [2024-10-14 17:03:52,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbe2ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:03:52, skipping insertion in model container [2024-10-14 17:03:52,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:03:52" (2/3) ... [2024-10-14 17:03:52,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbe2ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:03:52, skipping insertion in model container [2024-10-14 17:03:52,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:03:52" (3/3) ... [2024-10-14 17:03:52,896 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2024-10-14 17:03:52,916 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:03:52,916 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-14 17:03:52,916 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:03:52,968 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-14 17:03:53,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 85 transitions, 177 flow [2024-10-14 17:03:53,049 INFO L124 PetriNetUnfolderBase]: 0/84 cut-off events. [2024-10-14 17:03:53,050 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:03:53,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 84 events. 0/84 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-14 17:03:53,053 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 85 transitions, 177 flow [2024-10-14 17:03:53,057 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 79 transitions, 161 flow [2024-10-14 17:03:53,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:03:53,076 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;@6a46a5ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:03:53,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-14 17:03:53,090 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:03:53,092 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-10-14 17:03:53,092 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:03:53,092 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:03:53,093 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] [2024-10-14 17:03:53,093 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-14 17:03:53,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:03:53,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1252511261, now seen corresponding path program 1 times [2024-10-14 17:03:53,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:03:53,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322721791] [2024-10-14 17:03:53,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:03:53,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:03:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:03:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:03:53,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:03:53,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322721791] [2024-10-14 17:03:53,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322721791] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:03:53,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:03:53,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:03:53,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68152817] [2024-10-14 17:03:53,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:03:53,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:03:53,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:03:53,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:03:53,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:03:53,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 85 [2024-10-14 17:03:53,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 79 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2024-10-14 17:03:53,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:03:53,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 85 [2024-10-14 17:03:53,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:03:53,516 INFO L124 PetriNetUnfolderBase]: 47/302 cut-off events. [2024-10-14 17:03:53,516 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:03:53,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 302 events. 47/302 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1287 event pairs, 12 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 385. Up to 82 conditions per place. [2024-10-14 17:03:53,520 INFO L140 encePairwiseOnDemand]: 76/85 looper letters, 20 selfloop transitions, 6 changer transitions 1/89 dead transitions. [2024-10-14 17:03:53,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 89 transitions, 235 flow [2024-10-14 17:03:53,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:03:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:03:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2024-10-14 17:03:53,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9058823529411765 [2024-10-14 17:03:53,535 INFO L175 Difference]: Start difference. First operand has 83 places, 79 transitions, 161 flow. Second operand 3 states and 231 transitions. [2024-10-14 17:03:53,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 89 transitions, 235 flow [2024-10-14 17:03:53,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:03:53,542 INFO L231 Difference]: Finished difference. Result has 85 places, 83 transitions, 206 flow [2024-10-14 17:03:53,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=85, PETRI_TRANSITIONS=83} [2024-10-14 17:03:53,549 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 2 predicate places. [2024-10-14 17:03:53,549 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 83 transitions, 206 flow [2024-10-14 17:03:53,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2024-10-14 17:03:53,549 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:03:53,550 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] [2024-10-14 17:03:53,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:03:53,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-14 17:03:53,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:03:53,550 INFO L85 PathProgramCache]: Analyzing trace with hash -132776608, now seen corresponding path program 1 times [2024-10-14 17:03:53,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:03:53,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290868204] [2024-10-14 17:03:53,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:03:53,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:03:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:03:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:03:53,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:03:53,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290868204] [2024-10-14 17:03:53,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290868204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:03:53,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:03:53,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:03:53,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445630377] [2024-10-14 17:03:53,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:03:53,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:03:53,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:03:53,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:03:53,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:03:53,682 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 85 [2024-10-14 17:03:53,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 83 transitions, 206 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) [2024-10-14 17:03:53,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:03:53,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 85 [2024-10-14 17:03:53,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:03:53,761 INFO L124 PetriNetUnfolderBase]: 73/376 cut-off events. [2024-10-14 17:03:53,761 INFO L125 PetriNetUnfolderBase]: For 71/73 co-relation queries the response was YES. [2024-10-14 17:03:53,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 376 events. 73/376 cut-off events. For 71/73 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1774 event pairs, 30 based on Foata normal form. 2/356 useless extension candidates. Maximal degree in co-relation 590. Up to 129 conditions per place. [2024-10-14 17:03:53,764 INFO L140 encePairwiseOnDemand]: 79/85 looper letters, 18 selfloop transitions, 5 changer transitions 5/92 dead transitions. [2024-10-14 17:03:53,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 92 transitions, 288 flow [2024-10-14 17:03:53,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:03:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:03:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2024-10-14 17:03:53,767 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9058823529411765 [2024-10-14 17:03:53,769 INFO L175 Difference]: Start difference. First operand has 85 places, 83 transitions, 206 flow. Second operand 3 states and 231 transitions. [2024-10-14 17:03:53,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 92 transitions, 288 flow [2024-10-14 17:03:53,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 92 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:03:53,771 INFO L231 Difference]: Finished difference. Result has 87 places, 84 transitions, 226 flow [2024-10-14 17:03:53,772 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=87, PETRI_TRANSITIONS=84} [2024-10-14 17:03:53,773 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 4 predicate places. [2024-10-14 17:03:53,773 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 84 transitions, 226 flow [2024-10-14 17:03:53,773 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) [2024-10-14 17:03:53,773 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:03:53,773 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] [2024-10-14 17:03:53,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:03:53,774 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-14 17:03:53,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:03:53,775 INFO L85 PathProgramCache]: Analyzing trace with hash 657237289, now seen corresponding path program 1 times [2024-10-14 17:03:53,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:03:53,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702580858] [2024-10-14 17:03:53,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:03:53,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:03:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:03:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:03:53,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:03:53,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702580858] [2024-10-14 17:03:53,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702580858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:03:53,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:03:53,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:03:53,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919636798] [2024-10-14 17:03:53,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:03:53,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:03:53,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:03:53,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:03:53,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:03:53,928 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 85 [2024-10-14 17:03:53,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 84 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2024-10-14 17:03:53,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:03:53,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 85 [2024-10-14 17:03:53,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:03:53,954 INFO L124 PetriNetUnfolderBase]: 0/127 cut-off events. [2024-10-14 17:03:53,954 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-14 17:03:53,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 127 events. 0/127 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 156 event pairs, 0 based on Foata normal form. 4/131 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2024-10-14 17:03:53,955 INFO L140 encePairwiseOnDemand]: 79/85 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2024-10-14 17:03:53,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 76 transitions, 198 flow [2024-10-14 17:03:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:03:53,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:03:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2024-10-14 17:03:53,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843 [2024-10-14 17:03:53,958 INFO L175 Difference]: Start difference. First operand has 87 places, 84 transitions, 226 flow. Second operand 3 states and 239 transitions. [2024-10-14 17:03:53,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 76 transitions, 198 flow [2024-10-14 17:03:53,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 76 transitions, 180 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-10-14 17:03:53,959 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2024-10-14 17:03:53,960 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=82, PETRI_TRANSITIONS=0} [2024-10-14 17:03:53,964 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, -1 predicate places. [2024-10-14 17:03:53,965 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2024-10-14 17:03:53,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2024-10-14 17:03:53,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-10-14 17:03:53,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-10-14 17:03:53,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-10-14 17:03:53,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-10-14 17:03:53,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-10-14 17:03:53,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-10-14 17:03:53,972 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-10-14 17:03:53,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:03:53,973 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 17:03:53,980 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:03:53,984 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:03:53,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:03:53 BasicIcfg [2024-10-14 17:03:53,990 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:03:53,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:03:53,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:03:53,991 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:03:53,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:03:52" (3/4) ... [2024-10-14 17:03:53,992 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:03:53,995 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-14 17:03:54,000 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-14 17:03:54,000 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 17:03:54,000 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 17:03:54,076 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:03:54,077 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:03:54,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:03:54,077 INFO L158 Benchmark]: Toolchain (without parser) took 2197.95ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 80.2MB in the beginning and 105.7MB in the end (delta: -25.5MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-10-14 17:03:54,078 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:03:54,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.87ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 80.0MB in the beginning and 169.8MB in the end (delta: -89.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-10-14 17:03:54,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.67ms. Allocated memory is still 213.9MB. Free memory was 169.8MB in the beginning and 167.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:03:54,078 INFO L158 Benchmark]: Boogie Preprocessor took 23.08ms. Allocated memory is still 213.9MB. Free memory was 167.5MB in the beginning and 165.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:03:54,079 INFO L158 Benchmark]: RCFGBuilder took 347.67ms. Allocated memory is still 213.9MB. Free memory was 165.6MB in the beginning and 149.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 17:03:54,079 INFO L158 Benchmark]: TraceAbstraction took 1100.27ms. Allocated memory is still 213.9MB. Free memory was 148.9MB in the beginning and 109.9MB in the end (delta: 38.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-10-14 17:03:54,081 INFO L158 Benchmark]: Witness Printer took 86.41ms. Allocated memory is still 213.9MB. Free memory was 109.9MB in the beginning and 105.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:03:54,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.87ms. Allocated memory was 153.1MB in the beginning and 213.9MB in the end (delta: 60.8MB). Free memory was 80.0MB in the beginning and 169.8MB in the end (delta: -89.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.67ms. Allocated memory is still 213.9MB. Free memory was 169.8MB in the beginning and 167.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.08ms. Allocated memory is still 213.9MB. Free memory was 167.5MB in the beginning and 165.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.67ms. Allocated memory is still 213.9MB. Free memory was 165.6MB in the beginning and 149.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1100.27ms. Allocated memory is still 213.9MB. Free memory was 148.9MB in the beginning and 109.9MB in the end (delta: 38.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Witness Printer took 86.41ms. Allocated memory is still 213.9MB. Free memory was 109.9MB in the beginning and 105.7MB 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: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 104 locations, 7 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 16 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:03:54,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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