./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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:31:36,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:31:36,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:31:36,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:31:36,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:31:36,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:31:36,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:31:36,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:31:36,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:31:36,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:31:36,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:31:36,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:31:36,487 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:31:36,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:31:36,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:31:36,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:31:36,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:31:36,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:31:36,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:31:36,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:31:36,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:31:36,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:31:36,493 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:31:36,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:31:36,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:31:36,493 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:31:36,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:31:36,494 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:31:36,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:31:36,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:31:36,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:31:36,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:31:36,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:31:36,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:31:36,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:31:36,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:31:36,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:31:36,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:31:36,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:31:36,496 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:31:36,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:31:36,498 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 [2024-10-24 15:31:36,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:31:36,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:31:36,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:31:36,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:31:36,737 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:31:36,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2024-10-24 15:31:37,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:31:38,067 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:31:38,068 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2024-10-24 15:31:38,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b109d7d/fc2bf0bba49c4176971ae6880f1594e0/FLAGcce35012f [2024-10-24 15:31:38,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b109d7d/fc2bf0bba49c4176971ae6880f1594e0 [2024-10-24 15:31:38,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:31:38,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:31:38,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:31:38,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:31:38,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:31:38,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69674f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38, skipping insertion in model container [2024-10-24 15:31:38,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:31:38,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:31:38,677 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:31:38,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:31:38,711 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:31:38,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38 WrapperNode [2024-10-24 15:31:38,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:31:38,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:31:38,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:31:38,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:31:38,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,749 INFO L138 Inliner]: procedures = 21, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-10-24 15:31:38,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:31:38,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:31:38,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:31:38,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:31:38,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:31:38,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:31:38,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:31:38,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:31:38,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (1/1) ... [2024-10-24 15:31:38,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:31:38,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:31:38,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:31:38,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:31:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:31:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:31:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:31:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:31:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:31:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:31:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:31:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:31:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:31:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:31:38,898 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:31:38,982 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:31:38,984 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:31:39,173 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:31:39,174 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:31:39,192 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:31:39,193 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:31:39,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:31:39 BoogieIcfgContainer [2024-10-24 15:31:39,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:31:39,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:31:39,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:31:39,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:31:39,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:31:38" (1/3) ... [2024-10-24 15:31:39,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ab431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:31:39, skipping insertion in model container [2024-10-24 15:31:39,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:38" (2/3) ... [2024-10-24 15:31:39,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ab431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:31:39, skipping insertion in model container [2024-10-24 15:31:39,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:31:39" (3/3) ... [2024-10-24 15:31:39,201 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2024-10-24 15:31:39,214 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:31:39,214 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-24 15:31:39,215 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:31:39,293 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-24 15:31:39,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 172 transitions, 365 flow [2024-10-24 15:31:39,375 INFO L124 PetriNetUnfolderBase]: 6/169 cut-off events. [2024-10-24 15:31:39,375 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:31:39,381 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. [2024-10-24 15:31:39,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 172 transitions, 365 flow [2024-10-24 15:31:39,386 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 154 places, 148 transitions, 314 flow [2024-10-24 15:31:39,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:31:39,398 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;@799d7ee2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:31:39,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-10-24 15:31:39,403 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:31:39,407 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-24 15:31:39,407 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:31:39,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:39,408 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] [2024-10-24 15:31:39,409 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)] === [2024-10-24 15:31:39,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:39,413 INFO L85 PathProgramCache]: Analyzing trace with hash 399894186, now seen corresponding path program 1 times [2024-10-24 15:31:39,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:39,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420496618] [2024-10-24 15:31:39,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:39,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:39,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:39,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420496618] [2024-10-24 15:31:39,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420496618] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:39,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:39,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:39,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132240201] [2024-10-24 15:31:39,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:39,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:39,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:39,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:39,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:39,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 172 [2024-10-24 15:31:39,646 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) [2024-10-24 15:31:39,646 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:39,646 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 172 [2024-10-24 15:31:39,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:39,718 INFO L124 PetriNetUnfolderBase]: 12/220 cut-off events. [2024-10-24 15:31:39,718 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-24 15:31:39,721 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. [2024-10-24 15:31:39,723 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-10-24 15:31:39,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 147 transitions, 338 flow [2024-10-24 15:31:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2024-10-24 15:31:39,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9282945736434108 [2024-10-24 15:31:39,738 INFO L175 Difference]: Start difference. First operand has 154 places, 148 transitions, 314 flow. Second operand 3 states and 479 transitions. [2024-10-24 15:31:39,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 147 transitions, 338 flow [2024-10-24 15:31:39,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 147 transitions, 326 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-24 15:31:39,744 INFO L231 Difference]: Finished difference. Result has 149 places, 147 transitions, 304 flow [2024-10-24 15:31:39,745 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} [2024-10-24 15:31:39,750 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -5 predicate places. [2024-10-24 15:31:39,750 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 147 transitions, 304 flow [2024-10-24 15:31:39,750 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) [2024-10-24 15:31:39,750 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:39,751 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] [2024-10-24 15:31:39,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:31:39,751 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)] === [2024-10-24 15:31:39,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:39,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1680129586, now seen corresponding path program 1 times [2024-10-24 15:31:39,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:39,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142214037] [2024-10-24 15:31:39,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:39,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:39,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:39,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142214037] [2024-10-24 15:31:39,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142214037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:39,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:39,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:39,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621959584] [2024-10-24 15:31:39,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:39,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:39,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:39,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:39,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:39,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 172 [2024-10-24 15:31:39,840 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) [2024-10-24 15:31:39,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:39,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 172 [2024-10-24 15:31:39,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:39,897 INFO L124 PetriNetUnfolderBase]: 23/303 cut-off events. [2024-10-24 15:31:39,897 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:31:39,899 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. [2024-10-24 15:31:39,902 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 12 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-10-24 15:31:39,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 146 transitions, 330 flow [2024-10-24 15:31:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2024-10-24 15:31:39,904 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9244186046511628 [2024-10-24 15:31:39,905 INFO L175 Difference]: Start difference. First operand has 149 places, 147 transitions, 304 flow. Second operand 3 states and 477 transitions. [2024-10-24 15:31:39,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 146 transitions, 330 flow [2024-10-24 15:31:39,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 146 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:39,907 INFO L231 Difference]: Finished difference. Result has 148 places, 146 transitions, 302 flow [2024-10-24 15:31:39,908 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} [2024-10-24 15:31:39,909 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -6 predicate places. [2024-10-24 15:31:39,909 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 146 transitions, 302 flow [2024-10-24 15:31:39,909 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) [2024-10-24 15:31:39,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:39,910 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] [2024-10-24 15:31:39,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:31:39,910 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)] === [2024-10-24 15:31:39,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:39,910 INFO L85 PathProgramCache]: Analyzing trace with hash -631823420, now seen corresponding path program 1 times [2024-10-24 15:31:39,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:39,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872948990] [2024-10-24 15:31:39,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:39,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:39,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872948990] [2024-10-24 15:31:39,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872948990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:39,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:39,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:39,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020311246] [2024-10-24 15:31:39,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:39,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:39,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:39,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:39,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,011 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 172 [2024-10-24 15:31:40,012 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) [2024-10-24 15:31:40,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 172 [2024-10-24 15:31:40,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,050 INFO L124 PetriNetUnfolderBase]: 32/317 cut-off events. [2024-10-24 15:31:40,050 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-10-24 15:31:40,051 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. [2024-10-24 15:31:40,052 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 13 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-10-24 15:31:40,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 145 transitions, 330 flow [2024-10-24 15:31:40,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2024-10-24 15:31:40,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205426356589147 [2024-10-24 15:31:40,054 INFO L175 Difference]: Start difference. First operand has 148 places, 146 transitions, 302 flow. Second operand 3 states and 475 transitions. [2024-10-24 15:31:40,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 145 transitions, 330 flow [2024-10-24 15:31:40,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:40,057 INFO L231 Difference]: Finished difference. Result has 147 places, 145 transitions, 300 flow [2024-10-24 15:31:40,057 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} [2024-10-24 15:31:40,057 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -7 predicate places. [2024-10-24 15:31:40,058 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 145 transitions, 300 flow [2024-10-24 15:31:40,058 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) [2024-10-24 15:31:40,058 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,058 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] [2024-10-24 15:31:40,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:31:40,059 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-24 15:31:40,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1537050951, now seen corresponding path program 1 times [2024-10-24 15:31:40,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634428284] [2024-10-24 15:31:40,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:40,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:40,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634428284] [2024-10-24 15:31:40,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634428284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:40,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:40,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:40,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784260678] [2024-10-24 15:31:40,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:40,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:40,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:40,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 172 [2024-10-24 15:31:40,118 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) [2024-10-24 15:31:40,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 172 [2024-10-24 15:31:40,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,206 INFO L124 PetriNetUnfolderBase]: 23/312 cut-off events. [2024-10-24 15:31:40,207 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:31:40,208 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. [2024-10-24 15:31:40,210 INFO L140 encePairwiseOnDemand]: 168/172 looper letters, 13 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-10-24 15:31:40,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 147 transitions, 336 flow [2024-10-24 15:31:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-10-24 15:31:40,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-10-24 15:31:40,211 INFO L175 Difference]: Start difference. First operand has 147 places, 145 transitions, 300 flow. Second operand 3 states and 488 transitions. [2024-10-24 15:31:40,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 147 transitions, 336 flow [2024-10-24 15:31:40,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 147 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:40,215 INFO L231 Difference]: Finished difference. Result has 146 places, 145 transitions, 306 flow [2024-10-24 15:31:40,215 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} [2024-10-24 15:31:40,216 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -8 predicate places. [2024-10-24 15:31:40,217 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 145 transitions, 306 flow [2024-10-24 15:31:40,217 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) [2024-10-24 15:31:40,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,217 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] [2024-10-24 15:31:40,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:31:40,218 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-24 15:31:40,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,219 INFO L85 PathProgramCache]: Analyzing trace with hash -362773143, now seen corresponding path program 1 times [2024-10-24 15:31:40,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743939300] [2024-10-24 15:31:40,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:40,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743939300] [2024-10-24 15:31:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743939300] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:40,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:40,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:40,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980235781] [2024-10-24 15:31:40,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:40,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:40,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:40,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,288 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 172 [2024-10-24 15:31:40,289 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) [2024-10-24 15:31:40,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 172 [2024-10-24 15:31:40,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,342 INFO L124 PetriNetUnfolderBase]: 59/531 cut-off events. [2024-10-24 15:31:40,342 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:31:40,344 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. [2024-10-24 15:31:40,346 INFO L140 encePairwiseOnDemand]: 167/172 looper letters, 15 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-10-24 15:31:40,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 146 transitions, 344 flow [2024-10-24 15:31:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2024-10-24 15:31:40,347 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9341085271317829 [2024-10-24 15:31:40,348 INFO L175 Difference]: Start difference. First operand has 146 places, 145 transitions, 306 flow. Second operand 3 states and 482 transitions. [2024-10-24 15:31:40,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 146 transitions, 344 flow [2024-10-24 15:31:40,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 146 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:31:40,350 INFO L231 Difference]: Finished difference. Result has 146 places, 144 transitions, 314 flow [2024-10-24 15:31:40,351 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} [2024-10-24 15:31:40,351 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -8 predicate places. [2024-10-24 15:31:40,352 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 144 transitions, 314 flow [2024-10-24 15:31:40,352 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) [2024-10-24 15:31:40,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,353 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] [2024-10-24 15:31:40,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:31:40,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-24 15:31:40,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1232136880, now seen corresponding path program 1 times [2024-10-24 15:31:40,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647725243] [2024-10-24 15:31:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:40,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:40,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647725243] [2024-10-24 15:31:40,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647725243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:40,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:40,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:40,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468491689] [2024-10-24 15:31:40,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:40,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:40,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:40,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:40,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,417 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-10-24 15:31:40,418 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) [2024-10-24 15:31:40,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-10-24 15:31:40,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,444 INFO L124 PetriNetUnfolderBase]: 18/256 cut-off events. [2024-10-24 15:31:40,444 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:31:40,445 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. [2024-10-24 15:31:40,446 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-10-24 15:31:40,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 145 transitions, 344 flow [2024-10-24 15:31:40,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-10-24 15:31:40,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-10-24 15:31:40,447 INFO L175 Difference]: Start difference. First operand has 146 places, 144 transitions, 314 flow. Second operand 3 states and 488 transitions. [2024-10-24 15:31:40,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 145 transitions, 344 flow [2024-10-24 15:31:40,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:31:40,449 INFO L231 Difference]: Finished difference. Result has 147 places, 143 transitions, 316 flow [2024-10-24 15:31:40,449 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} [2024-10-24 15:31:40,450 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -7 predicate places. [2024-10-24 15:31:40,450 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 143 transitions, 316 flow [2024-10-24 15:31:40,450 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) [2024-10-24 15:31:40,451 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,451 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:31:40,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:31:40,451 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-24 15:31:40,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1123246906, now seen corresponding path program 1 times [2024-10-24 15:31:40,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076989694] [2024-10-24 15:31:40,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:40,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:40,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076989694] [2024-10-24 15:31:40,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076989694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:40,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:40,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:40,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295195138] [2024-10-24 15:31:40,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:40,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:40,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:40,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:40,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 172 [2024-10-24 15:31:40,505 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) [2024-10-24 15:31:40,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 172 [2024-10-24 15:31:40,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,561 INFO L124 PetriNetUnfolderBase]: 133/684 cut-off events. [2024-10-24 15:31:40,562 INFO L125 PetriNetUnfolderBase]: For 31/35 co-relation queries the response was YES. [2024-10-24 15:31:40,563 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. [2024-10-24 15:31:40,566 INFO L140 encePairwiseOnDemand]: 166/172 looper letters, 17 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2024-10-24 15:31:40,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 143 transitions, 356 flow [2024-10-24 15:31:40,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-10-24 15:31:40,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224806201550387 [2024-10-24 15:31:40,567 INFO L175 Difference]: Start difference. First operand has 147 places, 143 transitions, 316 flow. Second operand 3 states and 476 transitions. [2024-10-24 15:31:40,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 143 transitions, 356 flow [2024-10-24 15:31:40,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 143 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:40,569 INFO L231 Difference]: Finished difference. Result has 144 places, 141 transitions, 318 flow [2024-10-24 15:31:40,569 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} [2024-10-24 15:31:40,570 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -10 predicate places. [2024-10-24 15:31:40,570 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 318 flow [2024-10-24 15:31:40,570 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) [2024-10-24 15:31:40,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:31:40,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:31:40,571 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-24 15:31:40,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,571 INFO L85 PathProgramCache]: Analyzing trace with hash -213060863, now seen corresponding path program 1 times [2024-10-24 15:31:40,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079253939] [2024-10-24 15:31:40,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:40,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:40,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079253939] [2024-10-24 15:31:40,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079253939] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:40,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:40,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:40,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100261228] [2024-10-24 15:31:40,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:40,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:40,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:40,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:40,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-10-24 15:31:40,655 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) [2024-10-24 15:31:40,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-10-24 15:31:40,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,691 INFO L124 PetriNetUnfolderBase]: 30/324 cut-off events. [2024-10-24 15:31:40,691 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-10-24 15:31:40,692 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. [2024-10-24 15:31:40,693 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2024-10-24 15:31:40,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 142 transitions, 348 flow [2024-10-24 15:31:40,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-10-24 15:31:40,695 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-10-24 15:31:40,695 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 318 flow. Second operand 3 states and 488 transitions. [2024-10-24 15:31:40,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 142 transitions, 348 flow [2024-10-24 15:31:40,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 142 transitions, 348 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:31:40,697 INFO L231 Difference]: Finished difference. Result has 145 places, 140 transitions, 320 flow [2024-10-24 15:31:40,697 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} [2024-10-24 15:31:40,699 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -9 predicate places. [2024-10-24 15:31:40,699 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 140 transitions, 320 flow [2024-10-24 15:31:40,700 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) [2024-10-24 15:31:40,700 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,700 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] [2024-10-24 15:31:40,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:31:40,700 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-24 15:31:40,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1797757084, now seen corresponding path program 1 times [2024-10-24 15:31:40,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781510240] [2024-10-24 15:31:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:40,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:40,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781510240] [2024-10-24 15:31:40,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781510240] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:40,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:40,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:40,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554174897] [2024-10-24 15:31:40,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:40,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:40,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:40,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:40,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-10-24 15:31:40,763 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) [2024-10-24 15:31:40,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-10-24 15:31:40,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,793 INFO L124 PetriNetUnfolderBase]: 26/253 cut-off events. [2024-10-24 15:31:40,793 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2024-10-24 15:31:40,794 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. [2024-10-24 15:31:40,794 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-10-24 15:31:40,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 350 flow [2024-10-24 15:31:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-10-24 15:31:40,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-10-24 15:31:40,796 INFO L175 Difference]: Start difference. First operand has 145 places, 140 transitions, 320 flow. Second operand 3 states and 488 transitions. [2024-10-24 15:31:40,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 350 flow [2024-10-24 15:31:40,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:40,798 INFO L231 Difference]: Finished difference. Result has 144 places, 139 transitions, 318 flow [2024-10-24 15:31:40,799 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} [2024-10-24 15:31:40,799 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -10 predicate places. [2024-10-24 15:31:40,799 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 139 transitions, 318 flow [2024-10-24 15:31:40,800 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) [2024-10-24 15:31:40,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,800 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] [2024-10-24 15:31:40,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:31:40,800 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)] === [2024-10-24 15:31:40,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1108938784, now seen corresponding path program 1 times [2024-10-24 15:31:40,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794898447] [2024-10-24 15:31:40,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:40,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:40,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794898447] [2024-10-24 15:31:40,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794898447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:40,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:40,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:40,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468755061] [2024-10-24 15:31:40,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:40,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:40,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:40,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:40,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-10-24 15:31:40,866 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) [2024-10-24 15:31:40,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-10-24 15:31:40,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,890 INFO L124 PetriNetUnfolderBase]: 20/287 cut-off events. [2024-10-24 15:31:40,890 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-24 15:31:40,891 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. [2024-10-24 15:31:40,891 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 8 selfloop transitions, 1 changer transitions 0/138 dead transitions. [2024-10-24 15:31:40,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 138 transitions, 334 flow [2024-10-24 15:31:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2024-10-24 15:31:40,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9496124031007752 [2024-10-24 15:31:40,893 INFO L175 Difference]: Start difference. First operand has 144 places, 139 transitions, 318 flow. Second operand 3 states and 490 transitions. [2024-10-24 15:31:40,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 138 transitions, 334 flow [2024-10-24 15:31:40,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 138 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:31:40,895 INFO L231 Difference]: Finished difference. Result has 143 places, 138 transitions, 314 flow [2024-10-24 15:31:40,896 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} [2024-10-24 15:31:40,896 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-10-24 15:31:40,897 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 314 flow [2024-10-24 15:31:40,897 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) [2024-10-24 15:31:40,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,897 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] [2024-10-24 15:31:40,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:31:40,898 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)] === [2024-10-24 15:31:40,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1190220589, now seen corresponding path program 1 times [2024-10-24 15:31:40,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833394400] [2024-10-24 15:31:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:40,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:40,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833394400] [2024-10-24 15:31:40,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833394400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:40,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:40,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:40,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851853088] [2024-10-24 15:31:40,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:40,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:40,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:40,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:40,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:40,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-10-24 15:31:40,949 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) [2024-10-24 15:31:40,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:40,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-10-24 15:31:40,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:40,974 INFO L124 PetriNetUnfolderBase]: 20/291 cut-off events. [2024-10-24 15:31:40,974 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-24 15:31:40,975 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. [2024-10-24 15:31:40,976 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 8 selfloop transitions, 1 changer transitions 0/137 dead transitions. [2024-10-24 15:31:40,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 137 transitions, 330 flow [2024-10-24 15:31:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2024-10-24 15:31:40,978 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9496124031007752 [2024-10-24 15:31:40,978 INFO L175 Difference]: Start difference. First operand has 143 places, 138 transitions, 314 flow. Second operand 3 states and 490 transitions. [2024-10-24 15:31:40,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 137 transitions, 330 flow [2024-10-24 15:31:40,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 137 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:31:40,980 INFO L231 Difference]: Finished difference. Result has 143 places, 137 transitions, 313 flow [2024-10-24 15:31:40,980 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} [2024-10-24 15:31:40,980 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-10-24 15:31:40,980 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 137 transitions, 313 flow [2024-10-24 15:31:40,981 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) [2024-10-24 15:31:40,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:40,981 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] [2024-10-24 15:31:40,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:31:40,981 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)] === [2024-10-24 15:31:40,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:40,982 INFO L85 PathProgramCache]: Analyzing trace with hash -32211210, now seen corresponding path program 1 times [2024-10-24 15:31:40,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:40,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791286363] [2024-10-24 15:31:40,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:40,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:41,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:41,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791286363] [2024-10-24 15:31:41,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791286363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:41,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:41,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:41,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583366648] [2024-10-24 15:31:41,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:41,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:41,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:41,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:41,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:41,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-10-24 15:31:41,037 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) [2024-10-24 15:31:41,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:41,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-10-24 15:31:41,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:41,059 INFO L124 PetriNetUnfolderBase]: 16/228 cut-off events. [2024-10-24 15:31:41,059 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-10-24 15:31:41,060 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. [2024-10-24 15:31:41,060 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 0 selfloop transitions, 0 changer transitions 136/136 dead transitions. [2024-10-24 15:31:41,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 136 transitions, 327 flow [2024-10-24 15:31:41,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:31:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:31:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2024-10-24 15:31:41,061 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9476744186046512 [2024-10-24 15:31:41,061 INFO L175 Difference]: Start difference. First operand has 143 places, 137 transitions, 313 flow. Second operand 3 states and 489 transitions. [2024-10-24 15:31:41,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 136 transitions, 327 flow [2024-10-24 15:31:41,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 136 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:31:41,063 INFO L231 Difference]: Finished difference. Result has 143 places, 0 transitions, 0 flow [2024-10-24 15:31:41,063 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} [2024-10-24 15:31:41,063 INFO L277 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-10-24 15:31:41,064 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 0 transitions, 0 flow [2024-10-24 15:31:41,064 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) [2024-10-24 15:31:41,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2024-10-24 15:31:41,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-10-24 15:31:41,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-10-24 15:31:41,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-10-24 15:31:41,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-10-24 15:31:41,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-10-24 15:31:41,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-10-24 15:31:41,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-10-24 15:31:41,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-10-24 15:31:41,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 33 remaining) [2024-10-24 15:31:41,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-10-24 15:31:41,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-10-24 15:31:41,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-10-24 15:31:41,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-10-24 15:31:41,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-10-24 15:31:41,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-10-24 15:31:41,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:31:41,070 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:31:41,074 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:31:41,074 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:31:41,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:31:41 BasicIcfg [2024-10-24 15:31:41,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:31:41,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:31:41,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:31:41,079 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:31:41,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:31:39" (3/4) ... [2024-10-24 15:31:41,080 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:31:41,083 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:31:41,083 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:31:41,083 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 15:31:41,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-24 15:31:41,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:31:41,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:31:41,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:31:41,150 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:31:41,150 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:31:41,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:31:41,151 INFO L158 Benchmark]: Toolchain (without parser) took 2676.70ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 71.9MB in the beginning and 144.9MB in the end (delta: -73.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:31:41,151 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:31:41,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.91ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 58.5MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 15:31:41,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.73ms. Allocated memory is still 142.6MB. Free memory was 58.5MB in the beginning and 56.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:31:41,151 INFO L158 Benchmark]: Boogie Preprocessor took 32.34ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 55.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:31:41,152 INFO L158 Benchmark]: RCFGBuilder took 410.51ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 55.5MB in the beginning and 164.0MB in the end (delta: -108.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-24 15:31:41,152 INFO L158 Benchmark]: TraceAbstraction took 1883.31ms. Allocated memory is still 205.5MB. Free memory was 163.0MB in the beginning and 150.2MB in the end (delta: 12.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-10-24 15:31:41,152 INFO L158 Benchmark]: Witness Printer took 71.95ms. Allocated memory is still 205.5MB. Free memory was 150.2MB in the beginning and 144.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:31:41,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.91ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 58.5MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.73ms. Allocated memory is still 142.6MB. Free memory was 58.5MB in the beginning and 56.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.34ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 55.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.51ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 55.5MB in the beginning and 164.0MB in the end (delta: -108.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1883.31ms. Allocated memory is still 205.5MB. Free memory was 163.0MB in the beginning and 150.2MB in the end (delta: 12.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 71.95ms. Allocated memory is still 205.5MB. Free memory was 150.2MB in the beginning and 144.9MB in the end (delta: 5.2MB). 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: 1.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.2s 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, 0.5s 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! [2024-10-24 15:31:41,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE