./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/chl-sre-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:14:54,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:14:54,700 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:14:54,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:14:54,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:14:54,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:14:54,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:14:54,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:14:54,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:14:54,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:14:54,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:14:54,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:14:54,732 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:14:54,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:14:54,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:14:54,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:14:54,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:14:54,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:14:54,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:14:54,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:14:54,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:14:54,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:14:54,739 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:14:54,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:14:54,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:14:54,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:14:54,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:14:54,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:14:54,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:14:54,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:14:54,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:14:54,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:14:54,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:14:54,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:14:54,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:14:54,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:14:54,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:14:54,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:14:54,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:14:54,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:14:54,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:14:54,744 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 [2024-10-11 17:14:55,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:14:55,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:14:55,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:14:55,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:14:55,071 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:14:55,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2024-10-11 17:14:56,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:14:56,678 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:14:56,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2024-10-11 17:14:56,685 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b98155a43/2353cef7c6cd411ea2758c697a7b273c/FLAG88a327c8f [2024-10-11 17:14:57,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b98155a43/2353cef7c6cd411ea2758c697a7b273c [2024-10-11 17:14:57,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:14:57,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:14:57,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:14:57,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:14:57,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:14:57,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21092d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57, skipping insertion in model container [2024-10-11 17:14:57,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:14:57,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:14:57,306 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:14:57,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:14:57,345 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:14:57,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57 WrapperNode [2024-10-11 17:14:57,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:14:57,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:14:57,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:14:57,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:14:57,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,380 INFO L138 Inliner]: procedures = 21, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-10-11 17:14:57,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:14:57,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:14:57,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:14:57,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:14:57,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:14:57,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:14:57,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:14:57,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:14:57,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:14:57,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:14:57,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:14:57,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:14:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:14:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:14:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:14:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:14:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:14:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-11 17:14:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-11 17:14:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:14:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:14:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:14:57,505 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:14:57,586 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:14:57,587 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:14:57,865 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:14:57,865 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:14:57,891 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:14:57,892 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:14:57,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:57 BoogieIcfgContainer [2024-10-11 17:14:57,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:14:57,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:14:57,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:14:57,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:14:57,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:14:57" (1/3) ... [2024-10-11 17:14:57,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fbdf7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:14:57, skipping insertion in model container [2024-10-11 17:14:57,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (2/3) ... [2024-10-11 17:14:57,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fbdf7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:14:57, skipping insertion in model container [2024-10-11 17:14:57,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:57" (3/3) ... [2024-10-11 17:14:57,905 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2024-10-11 17:14:57,921 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:14:57,922 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-11 17:14:57,923 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:14:58,011 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-11 17:14:58,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 172 transitions, 365 flow [2024-10-11 17:14:58,129 INFO L124 PetriNetUnfolderBase]: 6/169 cut-off events. [2024-10-11 17:14:58,129 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:14:58,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 169 events. 6/169 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 247 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2024-10-11 17:14:58,140 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 172 transitions, 365 flow [2024-10-11 17:14:58,148 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 154 places, 148 transitions, 314 flow [2024-10-11 17:14:58,162 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:14:58,171 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;@3eb1b825, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:14:58,171 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-10-11 17:14:58,179 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:14:58,179 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-11 17:14:58,179 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:14:58,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:58,180 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] [2024-10-11 17:14:58,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:58,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:58,186 INFO L85 PathProgramCache]: Analyzing trace with hash 399894186, now seen corresponding path program 1 times [2024-10-11 17:14:58,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:58,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017307803] [2024-10-11 17:14:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:58,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:58,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:58,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017307803] [2024-10-11 17:14:58,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017307803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:58,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:58,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:58,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991474980] [2024-10-11 17:14:58,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:58,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:58,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:58,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:58,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:58,441 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 172 [2024-10-11 17:14:58,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 148 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:58,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:58,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 172 [2024-10-11 17:14:58,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:58,532 INFO L124 PetriNetUnfolderBase]: 12/220 cut-off events. [2024-10-11 17:14:58,533 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-11 17:14:58,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 220 events. 12/220 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 609 event pairs, 5 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 170. Up to 22 conditions per place. [2024-10-11 17:14:58,537 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-10-11 17:14:58,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 147 transitions, 338 flow [2024-10-11 17:14:58,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2024-10-11 17:14:58,552 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9282945736434108 [2024-10-11 17:14:58,553 INFO L175 Difference]: Start difference. First operand has 154 places, 148 transitions, 314 flow. Second operand 3 states and 479 transitions. [2024-10-11 17:14:58,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 147 transitions, 338 flow [2024-10-11 17:14:58,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 147 transitions, 326 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-11 17:14:58,561 INFO L231 Difference]: Finished difference. Result has 149 places, 147 transitions, 304 flow [2024-10-11 17:14:58,564 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=149, PETRI_TRANSITIONS=147} [2024-10-11 17:14:58,567 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -5 predicate places. [2024-10-11 17:14:58,570 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 147 transitions, 304 flow [2024-10-11 17:14:58,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:58,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:58,571 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] [2024-10-11 17:14:58,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:14:58,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:58,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:58,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1680129586, now seen corresponding path program 1 times [2024-10-11 17:14:58,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:58,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416754646] [2024-10-11 17:14:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:58,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:58,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416754646] [2024-10-11 17:14:58,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416754646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:58,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:58,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:58,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302470504] [2024-10-11 17:14:58,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:58,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:58,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:58,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:58,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:58,686 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 172 [2024-10-11 17:14:58,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 147 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:58,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:58,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 172 [2024-10-11 17:14:58,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:58,751 INFO L124 PetriNetUnfolderBase]: 23/303 cut-off events. [2024-10-11 17:14:58,751 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:14:58,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 303 events. 23/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1104 event pairs, 12 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 323. Up to 35 conditions per place. [2024-10-11 17:14:58,760 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 12 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-10-11 17:14:58,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 146 transitions, 330 flow [2024-10-11 17:14:58,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2024-10-11 17:14:58,766 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9244186046511628 [2024-10-11 17:14:58,766 INFO L175 Difference]: Start difference. First operand has 149 places, 147 transitions, 304 flow. Second operand 3 states and 477 transitions. [2024-10-11 17:14:58,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 146 transitions, 330 flow [2024-10-11 17:14:58,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 146 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:58,771 INFO L231 Difference]: Finished difference. Result has 148 places, 146 transitions, 302 flow [2024-10-11 17:14:58,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=148, PETRI_TRANSITIONS=146} [2024-10-11 17:14:58,775 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -6 predicate places. [2024-10-11 17:14:58,776 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 146 transitions, 302 flow [2024-10-11 17:14:58,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:58,776 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:58,777 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] [2024-10-11 17:14:58,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:14:58,777 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:58,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:58,778 INFO L85 PathProgramCache]: Analyzing trace with hash -631823420, now seen corresponding path program 1 times [2024-10-11 17:14:58,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:58,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991200284] [2024-10-11 17:14:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:58,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:58,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:58,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991200284] [2024-10-11 17:14:58,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991200284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:58,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:58,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:58,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538516900] [2024-10-11 17:14:58,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:58,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:58,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:58,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:58,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:58,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 172 [2024-10-11 17:14:58,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 146 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:58,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:58,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 172 [2024-10-11 17:14:58,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:58,970 INFO L124 PetriNetUnfolderBase]: 32/317 cut-off events. [2024-10-11 17:14:58,973 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-10-11 17:14:58,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 317 events. 32/317 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1141 event pairs, 20 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 339. Up to 50 conditions per place. [2024-10-11 17:14:58,976 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 13 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-10-11 17:14:58,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 145 transitions, 330 flow [2024-10-11 17:14:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2024-10-11 17:14:58,978 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205426356589147 [2024-10-11 17:14:58,979 INFO L175 Difference]: Start difference. First operand has 148 places, 146 transitions, 302 flow. Second operand 3 states and 475 transitions. [2024-10-11 17:14:58,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 145 transitions, 330 flow [2024-10-11 17:14:58,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:58,983 INFO L231 Difference]: Finished difference. Result has 147 places, 145 transitions, 300 flow [2024-10-11 17:14:58,983 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=147, PETRI_TRANSITIONS=145} [2024-10-11 17:14:58,984 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -7 predicate places. [2024-10-11 17:14:58,984 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 145 transitions, 300 flow [2024-10-11 17:14:58,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:58,985 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:58,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:58,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:14:58,986 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:58,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:58,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1537050951, now seen corresponding path program 1 times [2024-10-11 17:14:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:58,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650335553] [2024-10-11 17:14:58,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:58,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650335553] [2024-10-11 17:14:59,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650335553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94240427] [2024-10-11 17:14:59,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 172 [2024-10-11 17:14:59,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 145 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 172 [2024-10-11 17:14:59,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,157 INFO L124 PetriNetUnfolderBase]: 23/312 cut-off events. [2024-10-11 17:14:59,158 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-11 17:14:59,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 312 events. 23/312 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1222 event pairs, 8 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 312. Up to 31 conditions per place. [2024-10-11 17:14:59,161 INFO L140 encePairwiseOnDemand]: 168/172 looper letters, 13 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-10-11 17:14:59,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 147 transitions, 336 flow [2024-10-11 17:14:59,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-10-11 17:14:59,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-10-11 17:14:59,164 INFO L175 Difference]: Start difference. First operand has 147 places, 145 transitions, 300 flow. Second operand 3 states and 488 transitions. [2024-10-11 17:14:59,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 147 transitions, 336 flow [2024-10-11 17:14:59,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 147 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,168 INFO L231 Difference]: Finished difference. Result has 146 places, 145 transitions, 306 flow [2024-10-11 17:14:59,168 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=146, PETRI_TRANSITIONS=145} [2024-10-11 17:14:59,169 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -8 predicate places. [2024-10-11 17:14:59,170 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 145 transitions, 306 flow [2024-10-11 17:14:59,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,170 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:14:59,171 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:59,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,171 INFO L85 PathProgramCache]: Analyzing trace with hash -362773143, now seen corresponding path program 1 times [2024-10-11 17:14:59,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212520975] [2024-10-11 17:14:59,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212520975] [2024-10-11 17:14:59,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212520975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611261958] [2024-10-11 17:14:59,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 172 [2024-10-11 17:14:59,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 145 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 172 [2024-10-11 17:14:59,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,320 INFO L124 PetriNetUnfolderBase]: 59/531 cut-off events. [2024-10-11 17:14:59,320 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-11 17:14:59,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 531 events. 59/531 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3120 event pairs, 29 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 538. Up to 73 conditions per place. [2024-10-11 17:14:59,325 INFO L140 encePairwiseOnDemand]: 167/172 looper letters, 15 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-10-11 17:14:59,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 146 transitions, 344 flow [2024-10-11 17:14:59,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2024-10-11 17:14:59,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9341085271317829 [2024-10-11 17:14:59,328 INFO L175 Difference]: Start difference. First operand has 146 places, 145 transitions, 306 flow. Second operand 3 states and 482 transitions. [2024-10-11 17:14:59,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 146 transitions, 344 flow [2024-10-11 17:14:59,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 146 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:14:59,331 INFO L231 Difference]: Finished difference. Result has 146 places, 144 transitions, 314 flow [2024-10-11 17:14:59,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=146, PETRI_TRANSITIONS=144} [2024-10-11 17:14:59,332 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -8 predicate places. [2024-10-11 17:14:59,332 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 144 transitions, 314 flow [2024-10-11 17:14:59,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,333 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:14:59,333 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:59,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1232136880, now seen corresponding path program 1 times [2024-10-11 17:14:59,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145640962] [2024-10-11 17:14:59,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145640962] [2024-10-11 17:14:59,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145640962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535317548] [2024-10-11 17:14:59,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-10-11 17:14:59,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 144 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-10-11 17:14:59,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,469 INFO L124 PetriNetUnfolderBase]: 18/256 cut-off events. [2024-10-11 17:14:59,469 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:14:59,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 256 events. 18/256 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 913 event pairs, 4 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 232. Up to 18 conditions per place. [2024-10-11 17:14:59,472 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-10-11 17:14:59,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 145 transitions, 344 flow [2024-10-11 17:14:59,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-10-11 17:14:59,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-10-11 17:14:59,474 INFO L175 Difference]: Start difference. First operand has 146 places, 144 transitions, 314 flow. Second operand 3 states and 488 transitions. [2024-10-11 17:14:59,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 145 transitions, 344 flow [2024-10-11 17:14:59,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:14:59,477 INFO L231 Difference]: Finished difference. Result has 147 places, 143 transitions, 316 flow [2024-10-11 17:14:59,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=147, PETRI_TRANSITIONS=143} [2024-10-11 17:14:59,479 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -7 predicate places. [2024-10-11 17:14:59,480 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 143 transitions, 316 flow [2024-10-11 17:14:59,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,481 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,481 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:14:59,481 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:59,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1123246906, now seen corresponding path program 1 times [2024-10-11 17:14:59,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175607288] [2024-10-11 17:14:59,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175607288] [2024-10-11 17:14:59,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175607288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664774387] [2024-10-11 17:14:59,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 172 [2024-10-11 17:14:59,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 143 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 172 [2024-10-11 17:14:59,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,674 INFO L124 PetriNetUnfolderBase]: 133/684 cut-off events. [2024-10-11 17:14:59,674 INFO L125 PetriNetUnfolderBase]: For 31/35 co-relation queries the response was YES. [2024-10-11 17:14:59,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 684 events. 133/684 cut-off events. For 31/35 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4296 event pairs, 77 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 707. Up to 202 conditions per place. [2024-10-11 17:14:59,681 INFO L140 encePairwiseOnDemand]: 166/172 looper letters, 17 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2024-10-11 17:14:59,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 143 transitions, 356 flow [2024-10-11 17:14:59,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-10-11 17:14:59,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224806201550387 [2024-10-11 17:14:59,684 INFO L175 Difference]: Start difference. First operand has 147 places, 143 transitions, 316 flow. Second operand 3 states and 476 transitions. [2024-10-11 17:14:59,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 143 transitions, 356 flow [2024-10-11 17:14:59,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 143 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,687 INFO L231 Difference]: Finished difference. Result has 144 places, 141 transitions, 318 flow [2024-10-11 17:14:59,687 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=144, PETRI_TRANSITIONS=141} [2024-10-11 17:14:59,688 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -10 predicate places. [2024-10-11 17:14:59,689 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 318 flow [2024-10-11 17:14:59,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,690 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] [2024-10-11 17:14:59,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:14:59,691 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:59,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,692 INFO L85 PathProgramCache]: Analyzing trace with hash -213060863, now seen corresponding path program 1 times [2024-10-11 17:14:59,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038957626] [2024-10-11 17:14:59,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038957626] [2024-10-11 17:14:59,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038957626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001810267] [2024-10-11 17:14:59,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-10-11 17:14:59,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-10-11 17:14:59,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,825 INFO L124 PetriNetUnfolderBase]: 30/324 cut-off events. [2024-10-11 17:14:59,825 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-10-11 17:14:59,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 324 events. 30/324 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1392 event pairs, 6 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 288. Up to 24 conditions per place. [2024-10-11 17:14:59,828 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2024-10-11 17:14:59,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 142 transitions, 348 flow [2024-10-11 17:14:59,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-10-11 17:14:59,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-10-11 17:14:59,830 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 318 flow. Second operand 3 states and 488 transitions. [2024-10-11 17:14:59,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 142 transitions, 348 flow [2024-10-11 17:14:59,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 142 transitions, 348 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 17:14:59,834 INFO L231 Difference]: Finished difference. Result has 145 places, 140 transitions, 320 flow [2024-10-11 17:14:59,834 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=145, PETRI_TRANSITIONS=140} [2024-10-11 17:14:59,836 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -9 predicate places. [2024-10-11 17:14:59,837 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 140 transitions, 320 flow [2024-10-11 17:14:59,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,838 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] [2024-10-11 17:14:59,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:14:59,838 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:59,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1797757084, now seen corresponding path program 1 times [2024-10-11 17:14:59,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712883355] [2024-10-11 17:14:59,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712883355] [2024-10-11 17:14:59,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712883355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582511295] [2024-10-11 17:14:59,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-10-11 17:14:59,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 140 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-10-11 17:14:59,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,963 INFO L124 PetriNetUnfolderBase]: 26/253 cut-off events. [2024-10-11 17:14:59,964 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2024-10-11 17:14:59,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 253 events. 26/253 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 868 event pairs, 6 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 285. Up to 30 conditions per place. [2024-10-11 17:14:59,966 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-10-11 17:14:59,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 350 flow [2024-10-11 17:14:59,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-10-11 17:14:59,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-10-11 17:14:59,968 INFO L175 Difference]: Start difference. First operand has 145 places, 140 transitions, 320 flow. Second operand 3 states and 488 transitions. [2024-10-11 17:14:59,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 350 flow [2024-10-11 17:14:59,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,972 INFO L231 Difference]: Finished difference. Result has 144 places, 139 transitions, 318 flow [2024-10-11 17:14:59,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=144, PETRI_TRANSITIONS=139} [2024-10-11 17:14:59,973 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -10 predicate places. [2024-10-11 17:14:59,974 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 139 transitions, 318 flow [2024-10-11 17:14:59,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,974 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, 1, 1, 1] [2024-10-11 17:14:59,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:14:59,975 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:14:59,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1108938784, now seen corresponding path program 1 times [2024-10-11 17:14:59,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138650393] [2024-10-11 17:14:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:00,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:00,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:00,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138650393] [2024-10-11 17:15:00,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138650393] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:00,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:00,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:00,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906658169] [2024-10-11 17:15:00,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:00,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:00,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:00,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:00,087 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-10-11 17:15:00,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 139 transitions, 318 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) [2024-10-11 17:15:00,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:00,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-10-11 17:15:00,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:00,125 INFO L124 PetriNetUnfolderBase]: 20/287 cut-off events. [2024-10-11 17:15:00,126 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-11 17:15:00,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 287 events. 20/287 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1052 event pairs, 2 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 280. Up to 14 conditions per place. [2024-10-11 17:15:00,128 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 8 selfloop transitions, 1 changer transitions 0/138 dead transitions. [2024-10-11 17:15:00,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 138 transitions, 334 flow [2024-10-11 17:15:00,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2024-10-11 17:15:00,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9496124031007752 [2024-10-11 17:15:00,130 INFO L175 Difference]: Start difference. First operand has 144 places, 139 transitions, 318 flow. Second operand 3 states and 490 transitions. [2024-10-11 17:15:00,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 138 transitions, 334 flow [2024-10-11 17:15:00,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 138 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:00,133 INFO L231 Difference]: Finished difference. Result has 143 places, 138 transitions, 314 flow [2024-10-11 17:15:00,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=143, PETRI_TRANSITIONS=138} [2024-10-11 17:15:00,134 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-10-11 17:15:00,134 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 314 flow [2024-10-11 17:15:00,134 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) [2024-10-11 17:15:00,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:00,135 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:00,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:15:00,135 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:15:00,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:00,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1190220589, now seen corresponding path program 1 times [2024-10-11 17:15:00,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:00,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360034280] [2024-10-11 17:15:00,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:00,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:00,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:00,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360034280] [2024-10-11 17:15:00,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360034280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:00,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:00,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:00,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063253233] [2024-10-11 17:15:00,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:00,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:00,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:00,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:00,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:00,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-10-11 17:15:00,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 138 transitions, 314 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) [2024-10-11 17:15:00,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:00,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-10-11 17:15:00,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:00,271 INFO L124 PetriNetUnfolderBase]: 20/291 cut-off events. [2024-10-11 17:15:00,271 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-11 17:15:00,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 291 events. 20/291 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1042 event pairs, 3 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 328. Up to 16 conditions per place. [2024-10-11 17:15:00,274 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 8 selfloop transitions, 1 changer transitions 0/137 dead transitions. [2024-10-11 17:15:00,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 137 transitions, 330 flow [2024-10-11 17:15:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2024-10-11 17:15:00,276 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9496124031007752 [2024-10-11 17:15:00,276 INFO L175 Difference]: Start difference. First operand has 143 places, 138 transitions, 314 flow. Second operand 3 states and 490 transitions. [2024-10-11 17:15:00,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 137 transitions, 330 flow [2024-10-11 17:15:00,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 137 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:15:00,279 INFO L231 Difference]: Finished difference. Result has 143 places, 137 transitions, 313 flow [2024-10-11 17:15:00,279 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=143, PETRI_TRANSITIONS=137} [2024-10-11 17:15:00,279 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-10-11 17:15:00,279 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 137 transitions, 313 flow [2024-10-11 17:15:00,280 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) [2024-10-11 17:15:00,280 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:00,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:00,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:15:00,280 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-11 17:15:00,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:00,281 INFO L85 PathProgramCache]: Analyzing trace with hash -32211210, now seen corresponding path program 1 times [2024-10-11 17:15:00,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:00,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351837883] [2024-10-11 17:15:00,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:00,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:00,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:00,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351837883] [2024-10-11 17:15:00,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351837883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:00,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:00,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:00,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039170570] [2024-10-11 17:15:00,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:00,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:00,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:00,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:00,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:00,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-10-11 17:15:00,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 137 transitions, 313 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) [2024-10-11 17:15:00,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:00,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-10-11 17:15:00,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:00,381 INFO L124 PetriNetUnfolderBase]: 16/228 cut-off events. [2024-10-11 17:15:00,381 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-10-11 17:15:00,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 228 events. 16/228 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 686 event pairs, 3 based on Foata normal form. 2/218 useless extension candidates. Maximal degree in co-relation 270. Up to 18 conditions per place. [2024-10-11 17:15:00,383 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 0 selfloop transitions, 0 changer transitions 136/136 dead transitions. [2024-10-11 17:15:00,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 136 transitions, 327 flow [2024-10-11 17:15:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:00,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2024-10-11 17:15:00,384 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9476744186046512 [2024-10-11 17:15:00,384 INFO L175 Difference]: Start difference. First operand has 143 places, 137 transitions, 313 flow. Second operand 3 states and 489 transitions. [2024-10-11 17:15:00,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 136 transitions, 327 flow [2024-10-11 17:15:00,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 136 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:15:00,388 INFO L231 Difference]: Finished difference. Result has 143 places, 0 transitions, 0 flow [2024-10-11 17:15:00,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=143, PETRI_TRANSITIONS=0} [2024-10-11 17:15:00,389 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-10-11 17:15:00,389 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 0 transitions, 0 flow [2024-10-11 17:15:00,390 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) [2024-10-11 17:15:00,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2024-10-11 17:15:00,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-10-11 17:15:00,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-10-11 17:15:00,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-10-11 17:15:00,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-10-11 17:15:00,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-10-11 17:15:00,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-10-11 17:15:00,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-10-11 17:15:00,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-10-11 17:15:00,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-10-11 17:15:00,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-10-11 17:15:00,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-10-11 17:15:00,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-10-11 17:15:00,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-10-11 17:15:00,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 17:15:00,401 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:15:00,406 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:15:00,406 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:15:00,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:15:00 BasicIcfg [2024-10-11 17:15:00,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:15:00,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:15:00,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:15:00,412 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:15:00,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:57" (3/4) ... [2024-10-11 17:15:00,418 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:15:00,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:15:00,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:15:00,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-11 17:15:00,425 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-11 17:15:00,425 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:15:00,425 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:15:00,426 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:15:00,516 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:15:00,517 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:15:00,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:15:00,518 INFO L158 Benchmark]: Toolchain (without parser) took 3437.46ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 121.8MB in the beginning and 96.4MB in the end (delta: 25.4MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,518 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:15:00,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.48ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 108.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.29ms. Allocated memory is still 159.4MB. Free memory was 108.4MB in the beginning and 107.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,519 INFO L158 Benchmark]: Boogie Preprocessor took 22.46ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:15:00,519 INFO L158 Benchmark]: RCFGBuilder took 484.86ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 125.7MB in the end (delta: -20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,519 INFO L158 Benchmark]: TraceAbstraction took 2517.32ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 125.3MB in the beginning and 100.6MB in the end (delta: 24.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,519 INFO L158 Benchmark]: Witness Printer took 105.41ms. Allocated memory is still 192.9MB. Free memory was 100.6MB in the beginning and 96.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,521 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 109.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.48ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 108.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.29ms. Allocated memory is still 159.4MB. Free memory was 108.4MB in the beginning and 107.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.46ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.86ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 125.7MB in the end (delta: -20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2517.32ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 125.3MB in the beginning and 100.6MB in the end (delta: 24.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 105.41ms. Allocated memory is still 192.9MB. Free memory was 100.6MB in the beginning and 96.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: 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: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 7 procedures, 239 locations, 33 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: 2.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 298 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 53 mSDtfsCounter, 298 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=320occurred in iteration=8, 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 770 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 758 ConstructedInterpolants, 0 QuantifiedInterpolants, 782 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:15:00,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE