./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:07:49,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:07:49,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:07:49,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:07:49,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:07:49,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:07:49,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:07:49,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:07:49,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:07:49,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:07:49,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:07:49,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:07:49,521 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:07:49,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:07:49,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:07:49,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:07:49,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:07:49,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:07:49,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:07:49,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:07:49,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:07:49,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:07:49,532 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:07:49,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:07:49,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:07:49,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:07:49,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:07:49,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:07:49,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:07:49,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:07:49,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:07:49,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:07:49,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:07:49,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:07:49,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:07:49,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:07:49,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:07:49,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:07:49,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:07:49,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:07:49,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:07:49,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 [2024-10-14 17:07:49,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:07:49,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:07:49,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:07:49,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:07:49,831 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:07:49,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2024-10-14 17:07:51,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:07:51,546 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:07:51,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2024-10-14 17:07:51,564 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e149b47cf/30d069b7728542dd99ebf40413a68796/FLAG21171561a [2024-10-14 17:07:51,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e149b47cf/30d069b7728542dd99ebf40413a68796 [2024-10-14 17:07:51,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:07:51,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:07:51,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:07:51,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:07:51,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:07:51,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:07:51" (1/1) ... [2024-10-14 17:07:51,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e932d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:51, skipping insertion in model container [2024-10-14 17:07:51,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:07:51" (1/1) ... [2024-10-14 17:07:51,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:07:51,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:07:51,958 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:07:52,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:07:52,045 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:07:52,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52 WrapperNode [2024-10-14 17:07:52,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:07:52,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:07:52,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:07:52,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:07:52,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,089 INFO L138 Inliner]: procedures = 165, calls = 24, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 128 [2024-10-14 17:07:52,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:07:52,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:07:52,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:07:52,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:07:52,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:07:52,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:07:52,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:07:52,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:07:52,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (1/1) ... [2024-10-14 17:07:52,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:07:52,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:07:52,164 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) [2024-10-14 17:07:52,166 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 [2024-10-14 17:07:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-10-14 17:07:52,210 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-10-14 17:07:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 17:07:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:07:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:07:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 17:07:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:07:52,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:07:52,212 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:07:52,389 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:07:52,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:07:52,631 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:07:52,632 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:07:52,660 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:07:52,660 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-14 17:07:52,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:07:52 BoogieIcfgContainer [2024-10-14 17:07:52,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:07:52,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:07:52,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:07:52,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:07:52,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:07:51" (1/3) ... [2024-10-14 17:07:52,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ed8b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:07:52, skipping insertion in model container [2024-10-14 17:07:52,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:07:52" (2/3) ... [2024-10-14 17:07:52,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ed8b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:07:52, skipping insertion in model container [2024-10-14 17:07:52,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:07:52" (3/3) ... [2024-10-14 17:07:52,670 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2024-10-14 17:07:52,686 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:07:52,686 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-14 17:07:52,686 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:07:52,763 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 17:07:52,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 153 transitions, 310 flow [2024-10-14 17:07:52,885 INFO L124 PetriNetUnfolderBase]: 12/152 cut-off events. [2024-10-14 17:07:52,886 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:07:52,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 152 events. 12/152 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 305 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 115. Up to 2 conditions per place. [2024-10-14 17:07:52,898 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 153 transitions, 310 flow [2024-10-14 17:07:52,904 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 152 transitions, 307 flow [2024-10-14 17:07:52,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:07:52,923 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;@1fb0bfbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:07:52,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-10-14 17:07:52,931 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:07:52,931 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-10-14 17:07:52,931 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:07:52,931 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:52,932 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] [2024-10-14 17:07:52,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:07:52,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:52,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1405254815, now seen corresponding path program 1 times [2024-10-14 17:07:52,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:52,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083105037] [2024-10-14 17:07:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:53,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:53,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083105037] [2024-10-14 17:07:53,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083105037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:53,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:53,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:07:53,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296382972] [2024-10-14 17:07:53,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:53,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:53,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:53,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:53,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:53,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 153 [2024-10-14 17:07:53,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 152 transitions, 307 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-10-14 17:07:53,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:53,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 153 [2024-10-14 17:07:53,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:53,483 INFO L124 PetriNetUnfolderBase]: 65/492 cut-off events. [2024-10-14 17:07:53,484 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:07:53,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 492 events. 65/492 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2687 event pairs, 45 based on Foata normal form. 45/471 useless extension candidates. Maximal degree in co-relation 565. Up to 115 conditions per place. [2024-10-14 17:07:53,490 INFO L140 encePairwiseOnDemand]: 142/153 looper letters, 19 selfloop transitions, 2 changer transitions 0/137 dead transitions. [2024-10-14 17:07:53,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 137 transitions, 319 flow [2024-10-14 17:07:53,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-10-14 17:07:53,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8562091503267973 [2024-10-14 17:07:53,510 INFO L175 Difference]: Start difference. First operand has 144 places, 152 transitions, 307 flow. Second operand 3 states and 393 transitions. [2024-10-14 17:07:53,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 137 transitions, 319 flow [2024-10-14 17:07:53,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 137 transitions, 318 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:07:53,535 INFO L231 Difference]: Finished difference. Result has 137 places, 137 transitions, 280 flow [2024-10-14 17:07:53,539 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=137, PETRI_TRANSITIONS=137} [2024-10-14 17:07:53,544 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -7 predicate places. [2024-10-14 17:07:53,545 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 137 transitions, 280 flow [2024-10-14 17:07:53,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-10-14 17:07:53,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:53,545 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] [2024-10-14 17:07:53,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:07:53,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:07:53,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:53,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1968619571, now seen corresponding path program 1 times [2024-10-14 17:07:53,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:53,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869818099] [2024-10-14 17:07:53,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:53,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:53,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869818099] [2024-10-14 17:07:53,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869818099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:53,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:53,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:07:53,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326607522] [2024-10-14 17:07:53,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:53,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:53,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:53,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:53,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:53,739 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 153 [2024-10-14 17:07:53,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 137 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2024-10-14 17:07:53,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:53,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 153 [2024-10-14 17:07:53,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:53,983 INFO L124 PetriNetUnfolderBase]: 245/1567 cut-off events. [2024-10-14 17:07:53,984 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:07:53,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2064 conditions, 1567 events. 245/1567 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11160 event pairs, 71 based on Foata normal form. 0/1426 useless extension candidates. Maximal degree in co-relation 2032. Up to 357 conditions per place. [2024-10-14 17:07:54,000 INFO L140 encePairwiseOnDemand]: 130/153 looper letters, 35 selfloop transitions, 16 changer transitions 0/158 dead transitions. [2024-10-14 17:07:54,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 158 transitions, 424 flow [2024-10-14 17:07:54,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:54,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions. [2024-10-14 17:07:54,004 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8649237472766884 [2024-10-14 17:07:54,004 INFO L175 Difference]: Start difference. First operand has 137 places, 137 transitions, 280 flow. Second operand 3 states and 397 transitions. [2024-10-14 17:07:54,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 158 transitions, 424 flow [2024-10-14 17:07:54,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 158 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:07:54,013 INFO L231 Difference]: Finished difference. Result has 139 places, 153 transitions, 418 flow [2024-10-14 17:07:54,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=139, PETRI_TRANSITIONS=153} [2024-10-14 17:07:54,014 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -5 predicate places. [2024-10-14 17:07:54,014 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 153 transitions, 418 flow [2024-10-14 17:07:54,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2024-10-14 17:07:54,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:54,015 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:07:54,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:07:54,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:07:54,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:54,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1592837160, now seen corresponding path program 1 times [2024-10-14 17:07:54,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:54,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587412616] [2024-10-14 17:07:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:54,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:54,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:54,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587412616] [2024-10-14 17:07:54,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587412616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:54,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:54,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:07:54,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641858189] [2024-10-14 17:07:54,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:54,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:54,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:54,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:54,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:54,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 153 [2024-10-14 17:07:54,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 153 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2024-10-14 17:07:54,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:54,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 153 [2024-10-14 17:07:54,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:54,466 INFO L124 PetriNetUnfolderBase]: 342/1859 cut-off events. [2024-10-14 17:07:54,467 INFO L125 PetriNetUnfolderBase]: For 488/551 co-relation queries the response was YES. [2024-10-14 17:07:54,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2987 conditions, 1859 events. 342/1859 cut-off events. For 488/551 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 13680 event pairs, 103 based on Foata normal form. 24/1721 useless extension candidates. Maximal degree in co-relation 2943. Up to 522 conditions per place. [2024-10-14 17:07:54,482 INFO L140 encePairwiseOnDemand]: 143/153 looper letters, 32 selfloop transitions, 16 changer transitions 0/171 dead transitions. [2024-10-14 17:07:54,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 171 transitions, 586 flow [2024-10-14 17:07:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2024-10-14 17:07:54,484 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8714596949891068 [2024-10-14 17:07:54,484 INFO L175 Difference]: Start difference. First operand has 139 places, 153 transitions, 418 flow. Second operand 3 states and 400 transitions. [2024-10-14 17:07:54,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 171 transitions, 586 flow [2024-10-14 17:07:54,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 171 transitions, 542 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:07:54,492 INFO L231 Difference]: Finished difference. Result has 141 places, 167 transitions, 532 flow [2024-10-14 17:07:54,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=141, PETRI_TRANSITIONS=167} [2024-10-14 17:07:54,496 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -3 predicate places. [2024-10-14 17:07:54,496 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 167 transitions, 532 flow [2024-10-14 17:07:54,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2024-10-14 17:07:54,497 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:54,497 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] [2024-10-14 17:07:54,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:07:54,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:07:54,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:54,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1097319479, now seen corresponding path program 1 times [2024-10-14 17:07:54,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:54,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468919031] [2024-10-14 17:07:54,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:54,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:54,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:54,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:54,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468919031] [2024-10-14 17:07:54,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468919031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:54,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:54,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:07:54,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433218368] [2024-10-14 17:07:54,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:54,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:54,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:54,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:54,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:54,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 153 [2024-10-14 17:07:54,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 167 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2024-10-14 17:07:54,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:54,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 153 [2024-10-14 17:07:54,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:54,732 INFO L124 PetriNetUnfolderBase]: 26/390 cut-off events. [2024-10-14 17:07:54,732 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-10-14 17:07:54,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 390 events. 26/390 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1509 event pairs, 6 based on Foata normal form. 8/374 useless extension candidates. Maximal degree in co-relation 488. Up to 51 conditions per place. [2024-10-14 17:07:54,735 INFO L140 encePairwiseOnDemand]: 148/153 looper letters, 3 selfloop transitions, 5 changer transitions 0/133 dead transitions. [2024-10-14 17:07:54,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 133 transitions, 352 flow [2024-10-14 17:07:54,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:54,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2024-10-14 17:07:54,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9041394335511983 [2024-10-14 17:07:54,737 INFO L175 Difference]: Start difference. First operand has 141 places, 167 transitions, 532 flow. Second operand 3 states and 415 transitions. [2024-10-14 17:07:54,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 133 transitions, 352 flow [2024-10-14 17:07:54,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 133 transitions, 320 flow, removed 13 selfloop flow, removed 2 redundant places. [2024-10-14 17:07:54,744 INFO L231 Difference]: Finished difference. Result has 133 places, 133 transitions, 314 flow [2024-10-14 17:07:54,744 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=133, PETRI_TRANSITIONS=133} [2024-10-14 17:07:54,746 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -11 predicate places. [2024-10-14 17:07:54,746 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 133 transitions, 314 flow [2024-10-14 17:07:54,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2024-10-14 17:07:54,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:54,747 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] [2024-10-14 17:07:54,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:07:54,748 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:07:54,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:54,749 INFO L85 PathProgramCache]: Analyzing trace with hash -55146018, now seen corresponding path program 1 times [2024-10-14 17:07:54,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:54,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595160369] [2024-10-14 17:07:54,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:54,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:54,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:54,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595160369] [2024-10-14 17:07:54,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595160369] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:54,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:54,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:07:54,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388868613] [2024-10-14 17:07:54,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:54,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:54,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:54,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:54,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:54,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 153 [2024-10-14 17:07:54,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 133 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2024-10-14 17:07:54,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:54,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 153 [2024-10-14 17:07:54,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:54,936 INFO L124 PetriNetUnfolderBase]: 23/364 cut-off events. [2024-10-14 17:07:54,937 INFO L125 PetriNetUnfolderBase]: For 30/35 co-relation queries the response was YES. [2024-10-14 17:07:54,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 364 events. 23/364 cut-off events. For 30/35 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1053 event pairs, 0 based on Foata normal form. 2/354 useless extension candidates. Maximal degree in co-relation 448. Up to 39 conditions per place. [2024-10-14 17:07:54,939 INFO L140 encePairwiseOnDemand]: 149/153 looper letters, 13 selfloop transitions, 2 changer transitions 1/136 dead transitions. [2024-10-14 17:07:54,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 136 transitions, 356 flow [2024-10-14 17:07:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2024-10-14 17:07:54,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-10-14 17:07:54,941 INFO L175 Difference]: Start difference. First operand has 133 places, 133 transitions, 314 flow. Second operand 3 states and 408 transitions. [2024-10-14 17:07:54,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 136 transitions, 356 flow [2024-10-14 17:07:54,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 136 transitions, 349 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:07:54,944 INFO L231 Difference]: Finished difference. Result has 135 places, 134 transitions, 323 flow [2024-10-14 17:07:54,945 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=135, PETRI_TRANSITIONS=134} [2024-10-14 17:07:54,946 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -9 predicate places. [2024-10-14 17:07:54,947 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 134 transitions, 323 flow [2024-10-14 17:07:54,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2024-10-14 17:07:54,947 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:07:54,947 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] [2024-10-14 17:07:54,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:07:54,948 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:07:54,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:07:54,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1346489347, now seen corresponding path program 1 times [2024-10-14 17:07:54,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:07:54,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887775927] [2024-10-14 17:07:54,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:07:54,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:07:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:07:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:07:55,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:07:55,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887775927] [2024-10-14 17:07:55,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887775927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:07:55,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:07:55,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:07:55,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934739769] [2024-10-14 17:07:55,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:07:55,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:07:55,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:07:55,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:07:55,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:07:55,069 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 153 [2024-10-14 17:07:55,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 134 transitions, 323 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2024-10-14 17:07:55,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:07:55,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 153 [2024-10-14 17:07:55,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:07:55,118 INFO L124 PetriNetUnfolderBase]: 55/431 cut-off events. [2024-10-14 17:07:55,119 INFO L125 PetriNetUnfolderBase]: For 81/85 co-relation queries the response was YES. [2024-10-14 17:07:55,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 431 events. 55/431 cut-off events. For 81/85 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1430 event pairs, 16 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 605. Up to 120 conditions per place. [2024-10-14 17:07:55,121 INFO L140 encePairwiseOnDemand]: 150/153 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2024-10-14 17:07:55,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 133 transitions, 369 flow [2024-10-14 17:07:55,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:07:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:07:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2024-10-14 17:07:55,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8387799564270153 [2024-10-14 17:07:55,123 INFO L175 Difference]: Start difference. First operand has 135 places, 134 transitions, 323 flow. Second operand 3 states and 385 transitions. [2024-10-14 17:07:55,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 133 transitions, 369 flow [2024-10-14 17:07:55,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 133 transitions, 367 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:07:55,125 INFO L231 Difference]: Finished difference. Result has 135 places, 0 transitions, 0 flow [2024-10-14 17:07:55,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=135, PETRI_TRANSITIONS=0} [2024-10-14 17:07:55,128 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -9 predicate places. [2024-10-14 17:07:55,128 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 0 transitions, 0 flow [2024-10-14 17:07:55,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2024-10-14 17:07:55,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2024-10-14 17:07:55,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-10-14 17:07:55,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-10-14 17:07:55,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-10-14 17:07:55,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2024-10-14 17:07:55,132 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-10-14 17:07:55,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-10-14 17:07:55,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-10-14 17:07:55,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-10-14 17:07:55,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-10-14 17:07:55,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-10-14 17:07:55,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-10-14 17:07:55,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-10-14 17:07:55,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-10-14 17:07:55,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-10-14 17:07:55,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-10-14 17:07:55,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-10-14 17:07:55,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:07:55,138 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-14 17:07:55,144 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:07:55,144 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:07:55,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:07:55 BasicIcfg [2024-10-14 17:07:55,151 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:07:55,151 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:07:55,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:07:55,151 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:07:55,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:07:52" (3/4) ... [2024-10-14 17:07:55,153 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:07:55,157 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2024-10-14 17:07:55,160 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-14 17:07:55,160 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:07:55,161 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:07:55,161 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:07:55,243 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:07:55,243 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:07:55,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:07:55,244 INFO L158 Benchmark]: Toolchain (without parser) took 3664.59ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 124.8MB in the beginning and 57.9MB in the end (delta: 66.9MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2024-10-14 17:07:55,245 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:07:55,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.91ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 103.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 17:07:55,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.38ms. Allocated memory is still 155.2MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:07:55,246 INFO L158 Benchmark]: Boogie Preprocessor took 38.17ms. Allocated memory is still 155.2MB. Free memory was 101.2MB in the beginning and 99.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:07:55,246 INFO L158 Benchmark]: RCFGBuilder took 531.85ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 111.8MB in the end (delta: -12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-14 17:07:55,246 INFO L158 Benchmark]: TraceAbstraction took 2487.82ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 111.8MB in the beginning and 62.1MB in the end (delta: 49.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2024-10-14 17:07:55,247 INFO L158 Benchmark]: Witness Printer took 92.51ms. Allocated memory is still 186.6MB. Free memory was 62.1MB in the beginning and 57.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:07:55,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.91ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 103.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.38ms. Allocated memory is still 155.2MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.17ms. Allocated memory is still 155.2MB. Free memory was 101.2MB in the beginning and 99.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.85ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 111.8MB in the end (delta: -12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2487.82ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 111.8MB in the beginning and 62.1MB in the end (delta: 49.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Witness Printer took 92.51ms. Allocated memory is still 186.6MB. Free memory was 62.1MB in the beginning and 57.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 210 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 297 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 320 IncrementalHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 98 mSDtfsCounter, 320 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:07:55,282 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