./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:46:48,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:46:48,510 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:46:48,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:46:48,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:46:48,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:46:48,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:46:48,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:46:48,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:46:48,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:46:48,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:46:48,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:46:48,543 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:46:48,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:46:48,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:46:48,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:46:48,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:46:48,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:46:48,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:46:48,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:46:48,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:46:48,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:46:48,550 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:46:48,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:46:48,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:46:48,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:46:48,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:46:48,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:46:48,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:46:48,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:46:48,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:46:48,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:46:48,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:46:48,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:46:48,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:46:48,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:46:48,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:46:48,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:46:48,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:46:48,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:46:48,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:46:48,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2024-11-19 05:46:48,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:46:48,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:46:48,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:46:48,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:46:48,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:46:48,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-11-19 05:46:50,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:46:50,642 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:46:50,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-11-19 05:46:50,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0204e30be/0c6658907e7040ab8ec88d73d61d4dda/FLAG21f8a9675 [2024-11-19 05:46:50,912 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0204e30be/0c6658907e7040ab8ec88d73d61d4dda [2024-11-19 05:46:50,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:46:50,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:46:50,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:46:50,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:46:50,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:46:50,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:46:50" (1/1) ... [2024-11-19 05:46:50,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2fbf00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:50, skipping insertion in model container [2024-11-19 05:46:50,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:46:50" (1/1) ... [2024-11-19 05:46:50,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:46:51,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:46:51,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:46:51,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:46:51,646 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:46:51,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51 WrapperNode [2024-11-19 05:46:51,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:46:51,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:46:51,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:46:51,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:46:51,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,717 INFO L138 Inliner]: procedures = 364, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-11-19 05:46:51,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:46:51,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:46:51,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:46:51,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:46:51,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:46:51,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:46:51,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:46:51,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:46:51,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (1/1) ... [2024-11-19 05:46:51,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:46:51,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:46:51,805 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) [2024-11-19 05:46:51,809 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 [2024-11-19 05:46:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:46:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:46:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:46:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-11-19 05:46:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-11-19 05:46:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:46:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:46:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:46:51,865 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:46:52,000 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:46:52,003 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:46:52,210 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:46:52,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:46:52,248 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:46:52,249 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 05:46:52,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:46:52 BoogieIcfgContainer [2024-11-19 05:46:52,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:46:52,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:46:52,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:46:52,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:46:52,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:46:50" (1/3) ... [2024-11-19 05:46:52,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731c9a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:46:52, skipping insertion in model container [2024-11-19 05:46:52,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:46:51" (2/3) ... [2024-11-19 05:46:52,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731c9a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:46:52, skipping insertion in model container [2024-11-19 05:46:52,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:46:52" (3/3) ... [2024-11-19 05:46:52,259 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-11-19 05:46:52,277 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:46:52,277 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 05:46:52,277 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:46:52,350 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-19 05:46:52,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 117 transitions, 241 flow [2024-11-19 05:46:52,449 INFO L124 PetriNetUnfolderBase]: 8/116 cut-off events. [2024-11-19 05:46:52,449 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:46:52,457 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. [2024-11-19 05:46:52,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 117 transitions, 241 flow [2024-11-19 05:46:52,464 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 98 transitions, 202 flow [2024-11-19 05:46:52,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:46:52,486 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;@24b3ab2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:46:52,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-19 05:46:52,498 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:46:52,501 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-11-19 05:46:52,501 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:46:52,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:46:52,503 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] [2024-11-19 05:46:52,504 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)] === [2024-11-19 05:46:52,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:46:52,509 INFO L85 PathProgramCache]: Analyzing trace with hash -966863138, now seen corresponding path program 1 times [2024-11-19 05:46:52,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:46:52,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154025258] [2024-11-19 05:46:52,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:46:52,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:46:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:46:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:46:52,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:46:52,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154025258] [2024-11-19 05:46:52,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154025258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:46:52,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:46:52,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:46:52,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846863490] [2024-11-19 05:46:52,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:46:52,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:46:52,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:46:52,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:46:52,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:46:52,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-11-19 05:46:52,893 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) [2024-11-19 05:46:52,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:46:52,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-11-19 05:46:52,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:46:52,980 INFO L124 PetriNetUnfolderBase]: 22/184 cut-off events. [2024-11-19 05:46:52,980 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-19 05:46:52,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 184 events. 22/184 cut-off events. For 5/6 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. [2024-11-19 05:46:52,986 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 14 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2024-11-19 05:46:52,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 92 transitions, 222 flow [2024-11-19 05:46:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:46:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:46:52,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2024-11-19 05:46:52,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8290598290598291 [2024-11-19 05:46:53,001 INFO L175 Difference]: Start difference. First operand has 96 places, 98 transitions, 202 flow. Second operand 3 states and 291 transitions. [2024-11-19 05:46:53,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 92 transitions, 222 flow [2024-11-19 05:46:53,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:46:53,008 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 190 flow [2024-11-19 05:46:53,010 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} [2024-11-19 05:46:53,014 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2024-11-19 05:46:53,014 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 190 flow [2024-11-19 05:46:53,014 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) [2024-11-19 05:46:53,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:46:53,015 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] [2024-11-19 05:46:53,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:46:53,015 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)] === [2024-11-19 05:46:53,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:46:53,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1282858937, now seen corresponding path program 1 times [2024-11-19 05:46:53,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:46:53,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85946613] [2024-11-19 05:46:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:46:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:46:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:46:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:46:53,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:46:53,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85946613] [2024-11-19 05:46:53,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85946613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:46:53,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:46:53,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:46:53,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948852598] [2024-11-19 05:46:53,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:46:53,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:46:53,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:46:53,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:46:53,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:46:53,174 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-11-19 05:46:53,175 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) [2024-11-19 05:46:53,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:46:53,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-11-19 05:46:53,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:46:53,248 INFO L124 PetriNetUnfolderBase]: 50/294 cut-off events. [2024-11-19 05:46:53,249 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-19 05:46:53,250 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. [2024-11-19 05:46:53,251 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 18 selfloop transitions, 6 changer transitions 3/101 dead transitions. [2024-11-19 05:46:53,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 101 transitions, 260 flow [2024-11-19 05:46:53,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:46:53,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:46:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2024-11-19 05:46:53,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2024-11-19 05:46:53,255 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 190 flow. Second operand 3 states and 299 transitions. [2024-11-19 05:46:53,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 101 transitions, 260 flow [2024-11-19 05:46:53,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 101 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:46:53,258 INFO L231 Difference]: Finished difference. Result has 95 places, 94 transitions, 229 flow [2024-11-19 05:46:53,258 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} [2024-11-19 05:46:53,259 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -1 predicate places. [2024-11-19 05:46:53,261 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 94 transitions, 229 flow [2024-11-19 05:46:53,262 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) [2024-11-19 05:46:53,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:46:53,262 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] [2024-11-19 05:46:53,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:46:53,263 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)] === [2024-11-19 05:46:53,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:46:53,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1817293370, now seen corresponding path program 1 times [2024-11-19 05:46:53,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:46:53,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723982126] [2024-11-19 05:46:53,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:46:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:46:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:46:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:46:53,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:46:53,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723982126] [2024-11-19 05:46:53,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723982126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:46:53,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:46:53,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:46:53,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836186516] [2024-11-19 05:46:53,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:46:53,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:46:53,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:46:53,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:46:53,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:46:53,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 117 [2024-11-19 05:46:53,390 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) [2024-11-19 05:46:53,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:46:53,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 117 [2024-11-19 05:46:53,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:46:53,465 INFO L124 PetriNetUnfolderBase]: 70/361 cut-off events. [2024-11-19 05:46:53,465 INFO L125 PetriNetUnfolderBase]: For 122/130 co-relation queries the response was YES. [2024-11-19 05:46:53,467 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. [2024-11-19 05:46:53,469 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 19 selfloop transitions, 7 changer transitions 0/101 dead transitions. [2024-11-19 05:46:53,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 101 transitions, 305 flow [2024-11-19 05:46:53,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:46:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:46:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-11-19 05:46:53,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8319088319088319 [2024-11-19 05:46:53,475 INFO L175 Difference]: Start difference. First operand has 95 places, 94 transitions, 229 flow. Second operand 3 states and 292 transitions. [2024-11-19 05:46:53,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 101 transitions, 305 flow [2024-11-19 05:46:53,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 101 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:46:53,483 INFO L231 Difference]: Finished difference. Result has 94 places, 99 transitions, 273 flow [2024-11-19 05:46:53,486 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} [2024-11-19 05:46:53,486 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2024-11-19 05:46:53,487 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 99 transitions, 273 flow [2024-11-19 05:46:53,487 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) [2024-11-19 05:46:53,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:46:53,487 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] [2024-11-19 05:46:53,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:46:53,488 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)] === [2024-11-19 05:46:53,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:46:53,488 INFO L85 PathProgramCache]: Analyzing trace with hash -804719682, now seen corresponding path program 1 times [2024-11-19 05:46:53,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:46:53,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825013038] [2024-11-19 05:46:53,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:46:53,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:46:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:46:53,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:46:53,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:46:53,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825013038] [2024-11-19 05:46:53,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825013038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:46:53,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:46:53,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:46:53,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035247794] [2024-11-19 05:46:53,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:46:53,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:46:53,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:46:53,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:46:53,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:46:53,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 117 [2024-11-19 05:46:53,601 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) [2024-11-19 05:46:53,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:46:53,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 117 [2024-11-19 05:46:53,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:46:53,671 INFO L124 PetriNetUnfolderBase]: 96/465 cut-off events. [2024-11-19 05:46:53,671 INFO L125 PetriNetUnfolderBase]: For 225/230 co-relation queries the response was YES. [2024-11-19 05:46:53,674 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. [2024-11-19 05:46:53,676 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 19 selfloop transitions, 9 changer transitions 0/106 dead transitions. [2024-11-19 05:46:53,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 106 transitions, 357 flow [2024-11-19 05:46:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:46:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:46:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2024-11-19 05:46:53,680 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2024-11-19 05:46:53,680 INFO L175 Difference]: Start difference. First operand has 94 places, 99 transitions, 273 flow. Second operand 3 states and 297 transitions. [2024-11-19 05:46:53,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 106 transitions, 357 flow [2024-11-19 05:46:53,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 106 transitions, 339 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:46:53,686 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 327 flow [2024-11-19 05:46:53,686 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} [2024-11-19 05:46:53,687 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 0 predicate places. [2024-11-19 05:46:53,687 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 327 flow [2024-11-19 05:46:53,687 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) [2024-11-19 05:46:53,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:46:53,689 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] [2024-11-19 05:46:53,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:46:53,689 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)] === [2024-11-19 05:46:53,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:46:53,692 INFO L85 PathProgramCache]: Analyzing trace with hash -2124875592, now seen corresponding path program 1 times [2024-11-19 05:46:53,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:46:53,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802387092] [2024-11-19 05:46:53,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:46:53,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:46:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:46:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:46:53,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:46:53,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802387092] [2024-11-19 05:46:53,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802387092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:46:53,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:46:53,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:46:53,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197951998] [2024-11-19 05:46:53,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:46:53,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:46:53,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:46:53,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:46:53,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:46:53,879 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 117 [2024-11-19 05:46:53,880 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) [2024-11-19 05:46:53,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:46:53,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 117 [2024-11-19 05:46:53,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:46:53,924 INFO L124 PetriNetUnfolderBase]: 4/115 cut-off events. [2024-11-19 05:46:53,925 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-19 05:46:53,926 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. [2024-11-19 05:46:53,927 INFO L140 encePairwiseOnDemand]: 113/117 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2024-11-19 05:46:53,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 84 transitions, 217 flow [2024-11-19 05:46:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:46:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:46:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-11-19 05:46:53,929 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.886039886039886 [2024-11-19 05:46:53,929 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 327 flow. Second operand 3 states and 311 transitions. [2024-11-19 05:46:53,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 84 transitions, 217 flow [2024-11-19 05:46:53,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 84 transitions, 181 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-19 05:46:53,931 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-19 05:46:53,931 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} [2024-11-19 05:46:53,934 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -10 predicate places. [2024-11-19 05:46:53,934 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-19 05:46:53,935 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) [2024-11-19 05:46:53,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-19 05:46:53,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-19 05:46:53,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-19 05:46:53,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-19 05:46:53,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-19 05:46:53,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-19 05:46:53,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-19 05:46:53,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-19 05:46:53,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-19 05:46:53,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:46:53,941 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-19 05:46:53,949 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:46:53,950 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:46:53,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:46:53 BasicIcfg [2024-11-19 05:46:53,958 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:46:53,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:46:53,961 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:46:53,961 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:46:53,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:46:52" (3/4) ... [2024-11-19 05:46:53,963 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:46:53,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2024-11-19 05:46:53,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 05:46:53,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 05:46:53,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 05:46:53,976 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 05:46:54,071 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:46:54,071 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:46:54,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:46:54,072 INFO L158 Benchmark]: Toolchain (without parser) took 3156.76ms. Allocated memory is still 192.9MB. Free memory was 136.1MB in the beginning and 145.4MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:46:54,072 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:46:54,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.20ms. Allocated memory is still 192.9MB. Free memory was 136.1MB in the beginning and 144.1MB in the end (delta: -7.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 05:46:54,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.37ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 141.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:46:54,073 INFO L158 Benchmark]: Boogie Preprocessor took 43.70ms. Allocated memory is still 192.9MB. Free memory was 141.9MB in the beginning and 140.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:46:54,073 INFO L158 Benchmark]: RCFGBuilder took 487.58ms. Allocated memory is still 192.9MB. Free memory was 139.9MB in the beginning and 124.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 05:46:54,073 INFO L158 Benchmark]: TraceAbstraction took 1705.93ms. Allocated memory is still 192.9MB. Free memory was 123.1MB in the beginning and 149.6MB in the end (delta: -26.5MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-11-19 05:46:54,073 INFO L158 Benchmark]: Witness Printer took 112.95ms. Allocated memory is still 192.9MB. Free memory was 149.6MB in the beginning and 145.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:46:54,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.20ms. Allocated memory is still 192.9MB. Free memory was 136.1MB in the beginning and 144.1MB in the end (delta: -7.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.37ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 141.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.70ms. Allocated memory is still 192.9MB. Free memory was 141.9MB in the beginning and 140.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.58ms. Allocated memory is still 192.9MB. Free memory was 139.9MB in the beginning and 124.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1705.93ms. Allocated memory is still 192.9MB. Free memory was 123.1MB in the beginning and 149.6MB in the end (delta: -26.5MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Witness Printer took 112.95ms. Allocated memory is still 192.9MB. Free memory was 149.6MB in the beginning and 145.4MB 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: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.3s 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! [2024-11-19 05:46:54,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE