./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/weaver/parallel-bluetooth.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d 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/weaver/parallel-bluetooth.wvr.c -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 673666cb71096405cc13bacc98be08aac7026343d1cf8127c7ee9fffc801c83e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:58:53,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:58:53,517 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:58:53,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:58:53,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:58:53,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:58:53,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:58:53,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:58:53,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:58:53,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:58:53,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:58:53,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:58:53,553 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:58:53,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:58:53,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:58:53,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:58:53,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:58:53,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:58:53,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:58:53,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:58:53,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:58:53,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:58:53,561 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:58:53,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:58:53,562 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:58:53,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:58:53,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:58:53,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:58:53,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:58:53,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:58:53,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:58:53,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:58:53,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:58:53,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:58:53,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:58:53,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:58:53,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:58:53,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:58:53,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:58:53,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:58:53,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:58:53,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673666cb71096405cc13bacc98be08aac7026343d1cf8127c7ee9fffc801c83e [2024-10-13 09:58:53,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:58:53,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:58:53,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:58:53,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:58:53,866 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:58:53,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2024-10-13 09:58:55,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:58:55,512 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:58:55,513 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2024-10-13 09:58:55,529 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbfebb66a/6e011eab7a7a46ed9eadf8700c8e12db/FLAG8fd291550 [2024-10-13 09:58:55,546 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbfebb66a/6e011eab7a7a46ed9eadf8700c8e12db [2024-10-13 09:58:55,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:58:55,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:58:55,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:58:55,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:58:55,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:58:55,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ed572f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55, skipping insertion in model container [2024-10-13 09:58:55,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,592 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:58:55,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:58:55,827 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:58:55,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:58:55,876 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:58:55,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55 WrapperNode [2024-10-13 09:58:55,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:58:55,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:58:55,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:58:55,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:58:55,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,922 INFO L138 Inliner]: procedures = 20, calls = 39, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 185 [2024-10-13 09:58:55,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:58:55,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:58:55,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:58:55,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:58:55,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:58:55,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:58:55,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:58:55,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:58:55,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (1/1) ... [2024-10-13 09:58:55,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:58:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:58:56,013 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) [2024-10-13 09:58:56,028 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 [2024-10-13 09:58:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:58:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 09:58:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 09:58:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 09:58:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 09:58:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:58:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:58:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:58:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:58:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:58:56,093 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:58:56,180 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:58:56,182 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:58:56,539 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:58:56,540 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:58:56,719 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:58:56,720 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:58:56,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:58:56 BoogieIcfgContainer [2024-10-13 09:58:56,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:58:56,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:58:56,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:58:56,726 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:58:56,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:58:55" (1/3) ... [2024-10-13 09:58:56,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60586a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:58:56, skipping insertion in model container [2024-10-13 09:58:56,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:55" (2/3) ... [2024-10-13 09:58:56,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60586a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:58:56, skipping insertion in model container [2024-10-13 09:58:56,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:58:56" (3/3) ... [2024-10-13 09:58:56,729 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-10-13 09:58:56,746 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:58:56,746 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2024-10-13 09:58:56,747 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:58:56,814 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 09:58:56,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 212 transitions, 438 flow [2024-10-13 09:58:56,933 INFO L124 PetriNetUnfolderBase]: 9/210 cut-off events. [2024-10-13 09:58:56,933 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 09:58:56,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 210 events. 9/210 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 146 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 167. Up to 2 conditions per place. [2024-10-13 09:58:56,945 INFO L82 GeneralOperation]: Start removeDead. Operand has 210 places, 212 transitions, 438 flow [2024-10-13 09:58:56,952 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 193 transitions, 398 flow [2024-10-13 09:58:56,968 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:58:56,977 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;@5da5c67c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:58:56,978 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-10-13 09:58:56,983 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:58:56,985 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-13 09:58:56,985 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:58:56,985 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:56,986 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] [2024-10-13 09:58:56,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:56,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:56,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1660391727, now seen corresponding path program 1 times [2024-10-13 09:58:57,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:57,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846005174] [2024-10-13 09:58:57,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:57,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:57,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:57,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846005174] [2024-10-13 09:58:57,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846005174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:57,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:57,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:57,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812508514] [2024-10-13 09:58:57,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:57,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:57,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:57,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:57,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:57,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 212 [2024-10-13 09:58:57,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 193 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:57,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:57,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 212 [2024-10-13 09:58:57,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:57,424 INFO L124 PetriNetUnfolderBase]: 45/271 cut-off events. [2024-10-13 09:58:57,424 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-10-13 09:58:57,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 271 events. 45/271 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 496 event pairs, 31 based on Foata normal form. 6/245 useless extension candidates. Maximal degree in co-relation 210. Up to 95 conditions per place. [2024-10-13 09:58:57,429 INFO L140 encePairwiseOnDemand]: 183/212 looper letters, 19 selfloop transitions, 2 changer transitions 6/166 dead transitions. [2024-10-13 09:58:57,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 166 transitions, 386 flow [2024-10-13 09:58:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:57,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:57,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2024-10-13 09:58:57,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8349056603773585 [2024-10-13 09:58:57,449 INFO L175 Difference]: Start difference. First operand has 192 places, 193 transitions, 398 flow. Second operand 3 states and 531 transitions. [2024-10-13 09:58:57,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 166 transitions, 386 flow [2024-10-13 09:58:57,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 378 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 09:58:57,459 INFO L231 Difference]: Finished difference. Result has 169 places, 160 transitions, 328 flow [2024-10-13 09:58:57,461 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=169, PETRI_TRANSITIONS=160} [2024-10-13 09:58:57,465 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -23 predicate places. [2024-10-13 09:58:57,468 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 160 transitions, 328 flow [2024-10-13 09:58:57,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:57,469 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:57,470 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:57,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:58:57,470 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:57,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:57,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2060770649, now seen corresponding path program 1 times [2024-10-13 09:58:57,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:57,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080953097] [2024-10-13 09:58:57,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:57,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:57,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:57,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080953097] [2024-10-13 09:58:57,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080953097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:57,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:57,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:57,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011709164] [2024-10-13 09:58:57,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:57,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:57,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:57,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:57,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:57,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 212 [2024-10-13 09:58:57,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:57,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:57,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 212 [2024-10-13 09:58:57,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:57,678 INFO L124 PetriNetUnfolderBase]: 45/264 cut-off events. [2024-10-13 09:58:57,678 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 09:58:57,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 264 events. 45/264 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 481 event pairs, 31 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 340. Up to 95 conditions per place. [2024-10-13 09:58:57,680 INFO L140 encePairwiseOnDemand]: 209/212 looper letters, 19 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-10-13 09:58:57,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 159 transitions, 368 flow [2024-10-13 09:58:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:57,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-10-13 09:58:57,684 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7940251572327044 [2024-10-13 09:58:57,684 INFO L175 Difference]: Start difference. First operand has 169 places, 160 transitions, 328 flow. Second operand 3 states and 505 transitions. [2024-10-13 09:58:57,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 159 transitions, 368 flow [2024-10-13 09:58:57,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:57,688 INFO L231 Difference]: Finished difference. Result has 162 places, 159 transitions, 326 flow [2024-10-13 09:58:57,689 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=162, PETRI_TRANSITIONS=159} [2024-10-13 09:58:57,689 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -30 predicate places. [2024-10-13 09:58:57,693 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 159 transitions, 326 flow [2024-10-13 09:58:57,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:57,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:57,693 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] [2024-10-13 09:58:57,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:58:57,694 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:57,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:57,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2003523410, now seen corresponding path program 1 times [2024-10-13 09:58:57,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:57,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329271266] [2024-10-13 09:58:57,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:57,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:57,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:57,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329271266] [2024-10-13 09:58:57,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329271266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:57,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:57,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:57,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856822795] [2024-10-13 09:58:57,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:57,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:57,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:57,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:57,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:57,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 212 [2024-10-13 09:58:57,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 159 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:57,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:57,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 212 [2024-10-13 09:58:57,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:57,837 INFO L124 PetriNetUnfolderBase]: 45/263 cut-off events. [2024-10-13 09:58:57,837 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 09:58:57,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 263 events. 45/263 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 480 event pairs, 31 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 331. Up to 95 conditions per place. [2024-10-13 09:58:57,839 INFO L140 encePairwiseOnDemand]: 209/212 looper letters, 19 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-10-13 09:58:57,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 158 transitions, 366 flow [2024-10-13 09:58:57,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-10-13 09:58:57,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7940251572327044 [2024-10-13 09:58:57,845 INFO L175 Difference]: Start difference. First operand has 162 places, 159 transitions, 326 flow. Second operand 3 states and 505 transitions. [2024-10-13 09:58:57,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 158 transitions, 366 flow [2024-10-13 09:58:57,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:57,848 INFO L231 Difference]: Finished difference. Result has 161 places, 158 transitions, 324 flow [2024-10-13 09:58:57,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=161, PETRI_TRANSITIONS=158} [2024-10-13 09:58:57,850 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -31 predicate places. [2024-10-13 09:58:57,850 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 158 transitions, 324 flow [2024-10-13 09:58:57,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:57,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:57,852 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] [2024-10-13 09:58:57,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:58:57,852 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:57,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:57,853 INFO L85 PathProgramCache]: Analyzing trace with hash 504094051, now seen corresponding path program 1 times [2024-10-13 09:58:57,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:57,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110824196] [2024-10-13 09:58:57,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:57,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:57,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:57,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110824196] [2024-10-13 09:58:57,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110824196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:57,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:57,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:57,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525915934] [2024-10-13 09:58:57,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:57,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:57,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:57,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:57,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:57,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 212 [2024-10-13 09:58:57,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 158 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:57,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:57,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 212 [2024-10-13 09:58:57,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:58,005 INFO L124 PetriNetUnfolderBase]: 45/262 cut-off events. [2024-10-13 09:58:58,006 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 09:58:58,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 262 events. 45/262 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 484 event pairs, 31 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 322. Up to 95 conditions per place. [2024-10-13 09:58:58,009 INFO L140 encePairwiseOnDemand]: 209/212 looper letters, 19 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-10-13 09:58:58,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 157 transitions, 364 flow [2024-10-13 09:58:58,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-10-13 09:58:58,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7940251572327044 [2024-10-13 09:58:58,012 INFO L175 Difference]: Start difference. First operand has 161 places, 158 transitions, 324 flow. Second operand 3 states and 505 transitions. [2024-10-13 09:58:58,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 157 transitions, 364 flow [2024-10-13 09:58:58,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 157 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:58,015 INFO L231 Difference]: Finished difference. Result has 160 places, 157 transitions, 322 flow [2024-10-13 09:58:58,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=160, PETRI_TRANSITIONS=157} [2024-10-13 09:58:58,017 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -32 predicate places. [2024-10-13 09:58:58,018 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 157 transitions, 322 flow [2024-10-13 09:58:58,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:58,018 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:58,018 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] [2024-10-13 09:58:58,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:58:58,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:58,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:58,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2095507577, now seen corresponding path program 1 times [2024-10-13 09:58:58,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:58,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540585807] [2024-10-13 09:58:58,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:58,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:58,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540585807] [2024-10-13 09:58:58,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540585807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:58,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:58,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:58,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988753316] [2024-10-13 09:58:58,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:58,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:58,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:58,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:58,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:58,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 212 [2024-10-13 09:58:58,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 157 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:58,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:58,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 212 [2024-10-13 09:58:58,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:58,165 INFO L124 PetriNetUnfolderBase]: 45/261 cut-off events. [2024-10-13 09:58:58,166 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 09:58:58,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 261 events. 45/261 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 484 event pairs, 31 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 313. Up to 95 conditions per place. [2024-10-13 09:58:58,167 INFO L140 encePairwiseOnDemand]: 209/212 looper letters, 19 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-10-13 09:58:58,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 362 flow [2024-10-13 09:58:58,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:58,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-10-13 09:58:58,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7940251572327044 [2024-10-13 09:58:58,170 INFO L175 Difference]: Start difference. First operand has 160 places, 157 transitions, 322 flow. Second operand 3 states and 505 transitions. [2024-10-13 09:58:58,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 362 flow [2024-10-13 09:58:58,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:58,173 INFO L231 Difference]: Finished difference. Result has 159 places, 156 transitions, 320 flow [2024-10-13 09:58:58,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=159, PETRI_TRANSITIONS=156} [2024-10-13 09:58:58,174 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -33 predicate places. [2024-10-13 09:58:58,176 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 156 transitions, 320 flow [2024-10-13 09:58:58,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2024-10-13 09:58:58,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:58,177 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, 1, 1, 1] [2024-10-13 09:58:58,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:58:58,177 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:58,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1248311974, now seen corresponding path program 1 times [2024-10-13 09:58:58,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:58,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181580249] [2024-10-13 09:58:58,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:58,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:58,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:58,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181580249] [2024-10-13 09:58:58,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181580249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:58,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:58,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:58,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991365572] [2024-10-13 09:58:58,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:58,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:58,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:58,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:58,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:58,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 212 [2024-10-13 09:58:58,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 156 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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) [2024-10-13 09:58:58,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:58,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 212 [2024-10-13 09:58:58,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:58,374 INFO L124 PetriNetUnfolderBase]: 45/260 cut-off events. [2024-10-13 09:58:58,374 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 09:58:58,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 260 events. 45/260 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 483 event pairs, 31 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 305. Up to 96 conditions per place. [2024-10-13 09:58:58,376 INFO L140 encePairwiseOnDemand]: 209/212 looper letters, 20 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2024-10-13 09:58:58,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 155 transitions, 362 flow [2024-10-13 09:58:58,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 503 transitions. [2024-10-13 09:58:58,380 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7908805031446541 [2024-10-13 09:58:58,380 INFO L175 Difference]: Start difference. First operand has 159 places, 156 transitions, 320 flow. Second operand 3 states and 503 transitions. [2024-10-13 09:58:58,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 155 transitions, 362 flow [2024-10-13 09:58:58,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 155 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:58,384 INFO L231 Difference]: Finished difference. Result has 158 places, 155 transitions, 318 flow [2024-10-13 09:58:58,384 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=158, PETRI_TRANSITIONS=155} [2024-10-13 09:58:58,385 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -34 predicate places. [2024-10-13 09:58:58,386 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 155 transitions, 318 flow [2024-10-13 09:58:58,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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) [2024-10-13 09:58:58,387 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:58,387 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:58,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:58:58,387 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:58,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:58,388 INFO L85 PathProgramCache]: Analyzing trace with hash 101939598, now seen corresponding path program 1 times [2024-10-13 09:58:58,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:58,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741711121] [2024-10-13 09:58:58,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:58,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:58,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741711121] [2024-10-13 09:58:58,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741711121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:58,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:58,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:58,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473204966] [2024-10-13 09:58:58,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:58,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:58,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:58,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:58,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:58,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2024-10-13 09:58:58,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 155 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:58,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:58,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2024-10-13 09:58:58,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:58,511 INFO L124 PetriNetUnfolderBase]: 45/259 cut-off events. [2024-10-13 09:58:58,511 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 09:58:58,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 259 events. 45/259 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 481 event pairs, 31 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 292. Up to 92 conditions per place. [2024-10-13 09:58:58,512 INFO L140 encePairwiseOnDemand]: 210/212 looper letters, 17 selfloop transitions, 1 changer transitions 0/154 dead transitions. [2024-10-13 09:58:58,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 154 transitions, 352 flow [2024-10-13 09:58:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2024-10-13 09:58:58,515 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8081761006289309 [2024-10-13 09:58:58,515 INFO L175 Difference]: Start difference. First operand has 158 places, 155 transitions, 318 flow. Second operand 3 states and 514 transitions. [2024-10-13 09:58:58,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 154 transitions, 352 flow [2024-10-13 09:58:58,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 154 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:58,519 INFO L231 Difference]: Finished difference. Result has 157 places, 154 transitions, 314 flow [2024-10-13 09:58:58,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=157, PETRI_TRANSITIONS=154} [2024-10-13 09:58:58,520 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -35 predicate places. [2024-10-13 09:58:58,520 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 154 transitions, 314 flow [2024-10-13 09:58:58,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:58,522 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:58,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:58,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:58:58,522 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:58,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:58,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1111652899, now seen corresponding path program 1 times [2024-10-13 09:58:58,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:58,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957539456] [2024-10-13 09:58:58,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:58,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:58,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:58,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957539456] [2024-10-13 09:58:58,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957539456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:58,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:58,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:58,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751107260] [2024-10-13 09:58:58,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:58,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:58,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:58,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:58,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:58,609 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2024-10-13 09:58:58,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 154 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:58,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:58,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2024-10-13 09:58:58,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:58,668 INFO L124 PetriNetUnfolderBase]: 58/296 cut-off events. [2024-10-13 09:58:58,668 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-13 09:58:58,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 296 events. 58/296 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 713 event pairs, 15 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 354. Up to 67 conditions per place. [2024-10-13 09:58:58,670 INFO L140 encePairwiseOnDemand]: 204/212 looper letters, 24 selfloop transitions, 7 changer transitions 0/166 dead transitions. [2024-10-13 09:58:58,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 166 transitions, 402 flow [2024-10-13 09:58:58,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-10-13 09:58:58,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8286163522012578 [2024-10-13 09:58:58,672 INFO L175 Difference]: Start difference. First operand has 157 places, 154 transitions, 314 flow. Second operand 3 states and 527 transitions. [2024-10-13 09:58:58,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 166 transitions, 402 flow [2024-10-13 09:58:58,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 166 transitions, 401 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:58:58,676 INFO L231 Difference]: Finished difference. Result has 159 places, 159 transitions, 363 flow [2024-10-13 09:58:58,676 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=363, PETRI_PLACES=159, PETRI_TRANSITIONS=159} [2024-10-13 09:58:58,677 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -33 predicate places. [2024-10-13 09:58:58,678 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 159 transitions, 363 flow [2024-10-13 09:58:58,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:58,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:58,679 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:58,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:58:58,679 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:58,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:58,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2106896169, now seen corresponding path program 1 times [2024-10-13 09:58:58,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:58,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118978093] [2024-10-13 09:58:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:58,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:58,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:58,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118978093] [2024-10-13 09:58:58,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118978093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:58,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:58,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:58,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145928387] [2024-10-13 09:58:58,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:58,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:58,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:58,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:58,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:58,760 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2024-10-13 09:58:58,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 159 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:58,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:58,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2024-10-13 09:58:58,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:58,860 INFO L124 PetriNetUnfolderBase]: 96/412 cut-off events. [2024-10-13 09:58:58,861 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2024-10-13 09:58:58,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 412 events. 96/412 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1522 event pairs, 17 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 686. Up to 105 conditions per place. [2024-10-13 09:58:58,864 INFO L140 encePairwiseOnDemand]: 208/212 looper letters, 37 selfloop transitions, 4 changer transitions 0/175 dead transitions. [2024-10-13 09:58:58,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 175 transitions, 513 flow [2024-10-13 09:58:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2024-10-13 09:58:58,866 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8270440251572327 [2024-10-13 09:58:58,867 INFO L175 Difference]: Start difference. First operand has 159 places, 159 transitions, 363 flow. Second operand 3 states and 526 transitions. [2024-10-13 09:58:58,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 175 transitions, 513 flow [2024-10-13 09:58:58,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 175 transitions, 487 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:58,872 INFO L231 Difference]: Finished difference. Result has 159 places, 159 transitions, 365 flow [2024-10-13 09:58:58,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=365, PETRI_PLACES=159, PETRI_TRANSITIONS=159} [2024-10-13 09:58:58,874 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -33 predicate places. [2024-10-13 09:58:58,874 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 159 transitions, 365 flow [2024-10-13 09:58:58,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:58,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:58,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:58,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 09:58:58,875 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:58,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:58,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1598756768, now seen corresponding path program 1 times [2024-10-13 09:58:58,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:58,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251462891] [2024-10-13 09:58:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:58,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:58,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:58,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251462891] [2024-10-13 09:58:58,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251462891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:58,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:58,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:58,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189862594] [2024-10-13 09:58:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:58,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:58,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:58,946 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2024-10-13 09:58:58,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 159 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:58,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:58,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2024-10-13 09:58:58,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:59,040 INFO L124 PetriNetUnfolderBase]: 113/494 cut-off events. [2024-10-13 09:58:59,040 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2024-10-13 09:58:59,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 494 events. 113/494 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2244 event pairs, 29 based on Foata normal form. 0/469 useless extension candidates. Maximal degree in co-relation 819. Up to 156 conditions per place. [2024-10-13 09:58:59,043 INFO L140 encePairwiseOnDemand]: 207/212 looper letters, 39 selfloop transitions, 4 changer transitions 0/176 dead transitions. [2024-10-13 09:58:59,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 176 transitions, 514 flow [2024-10-13 09:58:59,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2024-10-13 09:58:59,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8301886792452831 [2024-10-13 09:58:59,045 INFO L175 Difference]: Start difference. First operand has 159 places, 159 transitions, 365 flow. Second operand 3 states and 528 transitions. [2024-10-13 09:58:59,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 176 transitions, 514 flow [2024-10-13 09:58:59,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 176 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:58:59,049 INFO L231 Difference]: Finished difference. Result has 161 places, 161 transitions, 387 flow [2024-10-13 09:58:59,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=161, PETRI_TRANSITIONS=161} [2024-10-13 09:58:59,050 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -31 predicate places. [2024-10-13 09:58:59,051 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 161 transitions, 387 flow [2024-10-13 09:58:59,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:59,051 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:59,051 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:59,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 09:58:59,052 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:59,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:59,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1647641511, now seen corresponding path program 1 times [2024-10-13 09:58:59,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:59,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654053996] [2024-10-13 09:58:59,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:59,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:59,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:59,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654053996] [2024-10-13 09:58:59,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654053996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:59,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:59,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:59,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626884249] [2024-10-13 09:58:59,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:59,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:59,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:59,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:59,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:59,113 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2024-10-13 09:58:59,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 161 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:59,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:59,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2024-10-13 09:58:59,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:59,196 INFO L124 PetriNetUnfolderBase]: 111/488 cut-off events. [2024-10-13 09:58:59,196 INFO L125 PetriNetUnfolderBase]: For 228/228 co-relation queries the response was YES. [2024-10-13 09:58:59,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 488 events. 111/488 cut-off events. For 228/228 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2218 event pairs, 43 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 910. Up to 209 conditions per place. [2024-10-13 09:58:59,199 INFO L140 encePairwiseOnDemand]: 209/212 looper letters, 33 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-10-13 09:58:59,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 167 transitions, 486 flow [2024-10-13 09:58:59,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:59,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2024-10-13 09:58:59,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8160377358490566 [2024-10-13 09:58:59,202 INFO L175 Difference]: Start difference. First operand has 161 places, 161 transitions, 387 flow. Second operand 3 states and 519 transitions. [2024-10-13 09:58:59,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 167 transitions, 486 flow [2024-10-13 09:58:59,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 167 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:59,210 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 381 flow [2024-10-13 09:58:59,210 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2024-10-13 09:58:59,213 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -32 predicate places. [2024-10-13 09:58:59,213 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 381 flow [2024-10-13 09:58:59,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2024-10-13 09:58:59,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:59,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:59,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 09:58:59,215 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-10-13 09:58:59,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1804549423, now seen corresponding path program 1 times [2024-10-13 09:58:59,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:59,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14338476] [2024-10-13 09:58:59,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:59,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:59,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:59,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14338476] [2024-10-13 09:58:59,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14338476] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:59,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:59,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:59,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871399299] [2024-10-13 09:58:59,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:59,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:59,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:59,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:59,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:59,306 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 212 [2024-10-13 09:58:59,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2024-10-13 09:58:59,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:59,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 212 [2024-10-13 09:58:59,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:59,385 INFO L124 PetriNetUnfolderBase]: 111/477 cut-off events. [2024-10-13 09:58:59,385 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2024-10-13 09:58:59,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 477 events. 111/477 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2151 event pairs, 29 based on Foata normal form. 4/449 useless extension candidates. Maximal degree in co-relation 875. Up to 235 conditions per place. [2024-10-13 09:58:59,387 INFO L140 encePairwiseOnDemand]: 207/212 looper letters, 0 selfloop transitions, 0 changer transitions 167/167 dead transitions. [2024-10-13 09:58:59,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 167 transitions, 488 flow [2024-10-13 09:58:59,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:59,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:59,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2024-10-13 09:58:59,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.809748427672956 [2024-10-13 09:58:59,389 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 381 flow. Second operand 3 states and 515 transitions. [2024-10-13 09:58:59,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 167 transitions, 488 flow [2024-10-13 09:58:59,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 167 transitions, 482 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:59,394 INFO L231 Difference]: Finished difference. Result has 158 places, 0 transitions, 0 flow [2024-10-13 09:58:59,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=158, PETRI_TRANSITIONS=0} [2024-10-13 09:58:59,395 INFO L277 CegarLoopForPetriNet]: 192 programPoint places, -34 predicate places. [2024-10-13 09:58:59,395 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 0 transitions, 0 flow [2024-10-13 09:58:59,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2024-10-13 09:58:59,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (54 of 55 remaining) [2024-10-13 09:58:59,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2024-10-13 09:58:59,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2024-10-13 09:58:59,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2024-10-13 09:58:59,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2024-10-13 09:58:59,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2024-10-13 09:58:59,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2024-10-13 09:58:59,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2024-10-13 09:58:59,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2024-10-13 09:58:59,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2024-10-13 09:58:59,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2024-10-13 09:58:59,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2024-10-13 09:58:59,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2024-10-13 09:58:59,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2024-10-13 09:58:59,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2024-10-13 09:58:59,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2024-10-13 09:58:59,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2024-10-13 09:58:59,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2024-10-13 09:58:59,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2024-10-13 09:58:59,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2024-10-13 09:58:59,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2024-10-13 09:58:59,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2024-10-13 09:58:59,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2024-10-13 09:58:59,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2024-10-13 09:58:59,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2024-10-13 09:58:59,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2024-10-13 09:58:59,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2024-10-13 09:58:59,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2024-10-13 09:58:59,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2024-10-13 09:58:59,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 55 remaining) [2024-10-13 09:58:59,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 55 remaining) [2024-10-13 09:58:59,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 55 remaining) [2024-10-13 09:58:59,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining) [2024-10-13 09:58:59,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 55 remaining) [2024-10-13 09:58:59,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 55 remaining) [2024-10-13 09:58:59,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 55 remaining) [2024-10-13 09:58:59,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (18 of 55 remaining) [2024-10-13 09:58:59,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2024-10-13 09:58:59,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2024-10-13 09:58:59,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2024-10-13 09:58:59,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2024-10-13 09:58:59,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2024-10-13 09:58:59,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2024-10-13 09:58:59,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2024-10-13 09:58:59,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2024-10-13 09:58:59,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2024-10-13 09:58:59,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2024-10-13 09:58:59,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2024-10-13 09:58:59,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2024-10-13 09:58:59,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2024-10-13 09:58:59,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2024-10-13 09:58:59,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2024-10-13 09:58:59,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2024-10-13 09:58:59,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2024-10-13 09:58:59,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2024-10-13 09:58:59,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 09:58:59,414 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:59,421 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:58:59,421 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:58:59,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:58:59 BasicIcfg [2024-10-13 09:58:59,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:58:59,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:58:59,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:58:59,428 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:58:59,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:58:56" (3/4) ... [2024-10-13 09:58:59,430 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:58:59,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 09:58:59,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 09:58:59,440 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-13 09:58:59,440 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:58:59,441 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:58:59,441 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:58:59,541 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:58:59,542 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:58:59,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:58:59,542 INFO L158 Benchmark]: Toolchain (without parser) took 3991.30ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 97.5MB in the beginning and 139.0MB in the end (delta: -41.5MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2024-10-13 09:58:59,543 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:58:59,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.98ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 84.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 09:58:59,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.15ms. Allocated memory is still 165.7MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:58:59,543 INFO L158 Benchmark]: Boogie Preprocessor took 43.18ms. Allocated memory is still 165.7MB. Free memory was 81.9MB in the beginning and 80.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:58:59,544 INFO L158 Benchmark]: RCFGBuilder took 753.10ms. Allocated memory is still 165.7MB. Free memory was 80.3MB in the beginning and 104.8MB in the end (delta: -24.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-10-13 09:58:59,544 INFO L158 Benchmark]: TraceAbstraction took 2704.49ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 104.4MB in the beginning and 145.3MB in the end (delta: -40.9MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2024-10-13 09:58:59,544 INFO L158 Benchmark]: Witness Printer took 113.97ms. Allocated memory is still 205.5MB. Free memory was 145.3MB in the beginning and 139.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 09:58:59,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.98ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 84.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.15ms. Allocated memory is still 165.7MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.18ms. Allocated memory is still 165.7MB. Free memory was 81.9MB in the beginning and 80.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 753.10ms. Allocated memory is still 165.7MB. Free memory was 80.3MB in the beginning and 104.8MB in the end (delta: -24.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2704.49ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 104.4MB in the beginning and 145.3MB in the end (delta: -40.9MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Witness Printer took 113.97ms. Allocated memory is still 205.5MB. Free memory was 145.3MB in the beginning and 139.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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, 247 locations, 55 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: 2.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 464 IncrementalHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 23 mSDtfsCounter, 464 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 768 NumberOfCodeBlocks, 768 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 33 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:58:59,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE