./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/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 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/13-privatized_67-pthread_cond_wait_unknown_1_neg.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 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:26:26,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:26:26,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:26:26,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:26:26,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:26:26,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:26:26,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:26:26,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:26:26,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:26:26,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:26:26,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:26:26,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:26:26,893 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:26:26,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:26:26,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:26:26,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:26:26,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:26:26,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:26:26,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:26:26,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:26:26,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:26:26,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:26:26,898 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:26:26,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:26:26,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:26:26,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:26:26,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:26:26,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:26:26,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:26:26,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:26:26,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:26:26,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:26:26,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:26:26,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:26:26,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:26:26,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:26:26,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:26:26,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:26:26,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:26:26,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:26:26,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:26:26,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2024-10-24 15:26:27,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:26:27,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:26:27,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:26:27,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:26:27,204 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:26:27,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-10-24 15:26:28,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:26:28,970 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:26:28,973 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-10-24 15:26:28,993 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df758f9be/495e194e74c54c7cb4989b6896d35c0c/FLAGf79bb5d97 [2024-10-24 15:26:29,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df758f9be/495e194e74c54c7cb4989b6896d35c0c [2024-10-24 15:26:29,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:26:29,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:26:29,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:26:29,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:26:29,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:26:29,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6280b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29, skipping insertion in model container [2024-10-24 15:26:29,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:26:29,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:26:29,660 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:26:29,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:26:29,829 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:26:29,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29 WrapperNode [2024-10-24 15:26:29,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:26:29,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:26:29,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:26:29,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:26:29,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,900 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-10-24 15:26:29,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:26:29,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:26:29,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:26:29,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:26:29,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:26:29,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:26:29,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:26:29,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:26:29,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (1/1) ... [2024-10-24 15:26:29,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:26:29,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:26:29,991 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) [2024-10-24 15:26:29,995 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 [2024-10-24 15:26:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-10-24 15:26:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-10-24 15:26:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-10-24 15:26:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-10-24 15:26:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:26:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:26:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:26:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:26:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:26:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:26:30,053 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:26:30,382 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:26:30,385 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:26:30,609 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:26:30,609 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:26:30,646 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:26:30,648 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:26:30,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:30 BoogieIcfgContainer [2024-10-24 15:26:30,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:26:30,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:26:30,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:26:30,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:26:30,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:26:29" (1/3) ... [2024-10-24 15:26:30,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e67e3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:26:30, skipping insertion in model container [2024-10-24 15:26:30,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:29" (2/3) ... [2024-10-24 15:26:30,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e67e3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:26:30, skipping insertion in model container [2024-10-24 15:26:30,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:30" (3/3) ... [2024-10-24 15:26:30,662 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-10-24 15:26:30,680 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:26:30,680 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-24 15:26:30,681 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:26:30,747 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 15:26:30,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 112 transitions, 238 flow [2024-10-24 15:26:30,840 INFO L124 PetriNetUnfolderBase]: 2/110 cut-off events. [2024-10-24 15:26:30,841 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:26:30,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 110 events. 2/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 100 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2024-10-24 15:26:30,849 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 112 transitions, 238 flow [2024-10-24 15:26:30,853 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 104 transitions, 217 flow [2024-10-24 15:26:30,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:26:30,868 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;@62931c1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:26:30,869 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-24 15:26:30,889 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:26:30,889 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2024-10-24 15:26:30,889 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:26:30,890 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:30,890 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] [2024-10-24 15:26:30,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-24 15:26:30,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:30,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1887556074, now seen corresponding path program 1 times [2024-10-24 15:26:30,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:30,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142846430] [2024-10-24 15:26:30,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:30,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:31,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:31,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142846430] [2024-10-24 15:26:31,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142846430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:31,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:31,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:31,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070887982] [2024-10-24 15:26:31,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:31,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:31,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:31,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:31,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:31,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-24 15:26:31,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 104 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:31,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:31,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-24 15:26:31,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:31,540 INFO L124 PetriNetUnfolderBase]: 60/340 cut-off events. [2024-10-24 15:26:31,540 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-10-24 15:26:31,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 340 events. 60/340 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1616 event pairs, 45 based on Foata normal form. 23/329 useless extension candidates. Maximal degree in co-relation 446. Up to 120 conditions per place. [2024-10-24 15:26:31,545 INFO L140 encePairwiseOnDemand]: 104/112 looper letters, 20 selfloop transitions, 5 changer transitions 0/107 dead transitions. [2024-10-24 15:26:31,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 107 transitions, 276 flow [2024-10-24 15:26:31,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:31,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 300 transitions. [2024-10-24 15:26:31,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8928571428571429 [2024-10-24 15:26:31,563 INFO L175 Difference]: Start difference. First operand has 109 places, 104 transitions, 217 flow. Second operand 3 states and 300 transitions. [2024-10-24 15:26:31,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 107 transitions, 276 flow [2024-10-24 15:26:31,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 107 transitions, 270 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 15:26:31,573 INFO L231 Difference]: Finished difference. Result has 108 places, 104 transitions, 242 flow [2024-10-24 15:26:31,575 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=108, PETRI_TRANSITIONS=104} [2024-10-24 15:26:31,579 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -1 predicate places. [2024-10-24 15:26:31,580 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 104 transitions, 242 flow [2024-10-24 15:26:31,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:31,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:31,580 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:31,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:26:31,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-24 15:26:31,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:31,582 INFO L85 PathProgramCache]: Analyzing trace with hash 979073334, now seen corresponding path program 1 times [2024-10-24 15:26:31,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:31,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164182253] [2024-10-24 15:26:31,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:31,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:31,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:31,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164182253] [2024-10-24 15:26:31,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164182253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:31,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:31,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:31,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934102078] [2024-10-24 15:26:31,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:31,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:31,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:31,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:31,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:31,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-24 15:26:31,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:31,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:31,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-24 15:26:31,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:31,945 INFO L124 PetriNetUnfolderBase]: 82/514 cut-off events. [2024-10-24 15:26:31,945 INFO L125 PetriNetUnfolderBase]: For 79/91 co-relation queries the response was YES. [2024-10-24 15:26:31,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 808 conditions, 514 events. 82/514 cut-off events. For 79/91 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2872 event pairs, 35 based on Foata normal form. 1/468 useless extension candidates. Maximal degree in co-relation 685. Up to 116 conditions per place. [2024-10-24 15:26:31,955 INFO L140 encePairwiseOnDemand]: 103/112 looper letters, 27 selfloop transitions, 9 changer transitions 0/120 dead transitions. [2024-10-24 15:26:31,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 120 transitions, 361 flow [2024-10-24 15:26:31,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:31,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2024-10-24 15:26:31,959 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9077380952380952 [2024-10-24 15:26:31,959 INFO L175 Difference]: Start difference. First operand has 108 places, 104 transitions, 242 flow. Second operand 3 states and 305 transitions. [2024-10-24 15:26:31,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 120 transitions, 361 flow [2024-10-24 15:26:31,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 120 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:26:31,967 INFO L231 Difference]: Finished difference. Result has 110 places, 112 transitions, 312 flow [2024-10-24 15:26:31,968 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=110, PETRI_TRANSITIONS=112} [2024-10-24 15:26:31,968 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, 1 predicate places. [2024-10-24 15:26:31,969 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 112 transitions, 312 flow [2024-10-24 15:26:31,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:31,969 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:31,970 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] [2024-10-24 15:26:31,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:26:31,970 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-24 15:26:31,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:31,972 INFO L85 PathProgramCache]: Analyzing trace with hash -867656551, now seen corresponding path program 1 times [2024-10-24 15:26:31,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:31,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598820578] [2024-10-24 15:26:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:31,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:32,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:32,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598820578] [2024-10-24 15:26:32,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598820578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:32,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:32,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:26:32,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712977026] [2024-10-24 15:26:32,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:32,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:32,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:32,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:32,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:32,218 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 112 [2024-10-24 15:26:32,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 112 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2024-10-24 15:26:32,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:32,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 112 [2024-10-24 15:26:32,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:32,271 INFO L124 PetriNetUnfolderBase]: 8/213 cut-off events. [2024-10-24 15:26:32,272 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-10-24 15:26:32,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 213 events. 8/213 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 532 event pairs, 5 based on Foata normal form. 4/206 useless extension candidates. Maximal degree in co-relation 205. Up to 18 conditions per place. [2024-10-24 15:26:32,273 INFO L140 encePairwiseOnDemand]: 106/112 looper letters, 6 selfloop transitions, 6 changer transitions 0/99 dead transitions. [2024-10-24 15:26:32,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 99 transitions, 261 flow [2024-10-24 15:26:32,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2024-10-24 15:26:32,276 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9196428571428571 [2024-10-24 15:26:32,276 INFO L175 Difference]: Start difference. First operand has 110 places, 112 transitions, 312 flow. Second operand 3 states and 309 transitions. [2024-10-24 15:26:32,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 99 transitions, 261 flow [2024-10-24 15:26:32,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 99 transitions, 229 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-24 15:26:32,282 INFO L231 Difference]: Finished difference. Result has 103 places, 97 transitions, 210 flow [2024-10-24 15:26:32,282 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=103, PETRI_TRANSITIONS=97} [2024-10-24 15:26:32,283 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -6 predicate places. [2024-10-24 15:26:32,283 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 97 transitions, 210 flow [2024-10-24 15:26:32,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2024-10-24 15:26:32,284 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:32,284 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:32,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:26:32,284 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-24 15:26:32,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:32,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1428045026, now seen corresponding path program 1 times [2024-10-24 15:26:32,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:32,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347631533] [2024-10-24 15:26:32,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:32,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:32,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:32,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347631533] [2024-10-24 15:26:32,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347631533] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:32,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:32,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:32,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745501757] [2024-10-24 15:26:32,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:32,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:32,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:32,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:32,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:32,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-24 15:26:32,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 97 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2024-10-24 15:26:32,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:32,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-24 15:26:32,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:32,443 INFO L124 PetriNetUnfolderBase]: 16/218 cut-off events. [2024-10-24 15:26:32,444 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:26:32,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 218 events. 16/218 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 644 event pairs, 14 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 197. Up to 56 conditions per place. [2024-10-24 15:26:32,445 INFO L140 encePairwiseOnDemand]: 109/112 looper letters, 15 selfloop transitions, 2 changer transitions 4/97 dead transitions. [2024-10-24 15:26:32,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 97 transitions, 248 flow [2024-10-24 15:26:32,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2024-10-24 15:26:32,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8601190476190477 [2024-10-24 15:26:32,447 INFO L175 Difference]: Start difference. First operand has 103 places, 97 transitions, 210 flow. Second operand 3 states and 289 transitions. [2024-10-24 15:26:32,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 97 transitions, 248 flow [2024-10-24 15:26:32,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 97 transitions, 242 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:26:32,449 INFO L231 Difference]: Finished difference. Result has 103 places, 92 transitions, 197 flow [2024-10-24 15:26:32,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=103, PETRI_TRANSITIONS=92} [2024-10-24 15:26:32,450 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -6 predicate places. [2024-10-24 15:26:32,450 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 92 transitions, 197 flow [2024-10-24 15:26:32,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2024-10-24 15:26:32,451 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:32,451 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:32,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:26:32,451 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting f2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-10-24 15:26:32,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:32,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1082438400, now seen corresponding path program 1 times [2024-10-24 15:26:32,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:32,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049590622] [2024-10-24 15:26:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:32,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:32,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:32,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049590622] [2024-10-24 15:26:32,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049590622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:32,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:32,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:32,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877814272] [2024-10-24 15:26:32,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:32,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:32,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:32,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:32,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:32,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-24 15:26:32,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 92 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2024-10-24 15:26:32,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:32,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-24 15:26:32,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:32,585 INFO L124 PetriNetUnfolderBase]: 13/182 cut-off events. [2024-10-24 15:26:32,586 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-24 15:26:32,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 182 events. 13/182 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 445 event pairs, 11 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 167. Up to 45 conditions per place. [2024-10-24 15:26:32,586 INFO L140 encePairwiseOnDemand]: 109/112 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2024-10-24 15:26:32,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 92 transitions, 232 flow [2024-10-24 15:26:32,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2024-10-24 15:26:32,588 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2024-10-24 15:26:32,588 INFO L175 Difference]: Start difference. First operand has 103 places, 92 transitions, 197 flow. Second operand 3 states and 288 transitions. [2024-10-24 15:26:32,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 92 transitions, 232 flow [2024-10-24 15:26:32,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 92 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:26:32,590 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2024-10-24 15:26:32,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2024-10-24 15:26:32,591 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -11 predicate places. [2024-10-24 15:26:32,591 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2024-10-24 15:26:32,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2024-10-24 15:26:32,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-10-24 15:26:32,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2024-10-24 15:26:32,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-10-24 15:26:32,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-10-24 15:26:32,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-10-24 15:26:32,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-10-24 15:26:32,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-10-24 15:26:32,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2024-10-24 15:26:32,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-10-24 15:26:32,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-10-24 15:26:32,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-10-24 15:26:32,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-10-24 15:26:32,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:26:32,597 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-24 15:26:32,602 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:26:32,602 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:26:32,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:26:32 BasicIcfg [2024-10-24 15:26:32,607 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:26:32,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:26:32,608 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:26:32,608 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:26:32,609 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:30" (3/4) ... [2024-10-24 15:26:32,610 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:26:32,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-10-24 15:26:32,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-10-24 15:26:32,617 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-24 15:26:32,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-24 15:26:32,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:26:32,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:26:32,707 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:26:32,708 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:26:32,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:26:32,709 INFO L158 Benchmark]: Toolchain (without parser) took 3695.09ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 89.4MB in the beginning and 102.1MB in the end (delta: -12.7MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-10-24 15:26:32,709 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:26:32,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.84ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 89.1MB in the beginning and 150.0MB in the end (delta: -60.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-10-24 15:26:32,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.36ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 146.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:26:32,710 INFO L158 Benchmark]: Boogie Preprocessor took 45.65ms. Allocated memory is still 197.1MB. Free memory was 146.8MB in the beginning and 144.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:26:32,711 INFO L158 Benchmark]: RCFGBuilder took 701.56ms. Allocated memory is still 197.1MB. Free memory was 144.7MB in the beginning and 121.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-24 15:26:32,712 INFO L158 Benchmark]: TraceAbstraction took 1955.61ms. Allocated memory is still 197.1MB. Free memory was 120.6MB in the beginning and 106.3MB in the end (delta: 14.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-10-24 15:26:32,712 INFO L158 Benchmark]: Witness Printer took 100.01ms. Allocated memory is still 197.1MB. Free memory was 106.3MB in the beginning and 102.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:26:32,713 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.84ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 89.1MB in the beginning and 150.0MB in the end (delta: -60.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.36ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 146.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.65ms. Allocated memory is still 197.1MB. Free memory was 146.8MB in the beginning and 144.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.56ms. Allocated memory is still 197.1MB. Free memory was 144.7MB in the beginning and 121.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1955.61ms. Allocated memory is still 197.1MB. Free memory was 120.6MB in the beginning and 106.3MB in the end (delta: 14.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 100.01ms. Allocated memory is still 197.1MB. Free memory was 106.3MB in the beginning and 102.1MB 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: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1365]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 170 locations, 12 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: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 6 mSDtfsCounter, 215 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=312occurred in iteration=2, 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, 0.6s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:26:32,744 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