./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-time-subst.wvr.c --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/weaver/chl-time-subst.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 55dce27fdc9c44ff408174badf0a943270d2adadc96357bb37463f058a6a7cee --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:12:52,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:12:52,599 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:12:52,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:12:52,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:12:52,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:12:52,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:12:52,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:12:52,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:12:52,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:12:52,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:12:52,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:12:52,640 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:12:52,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:12:52,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:12:52,642 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:12:52,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:12:52,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:12:52,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:12:52,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:12:52,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:12:52,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:12:52,648 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:12:52,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:12:52,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:12:52,648 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:12:52,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:12:52,649 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:12:52,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:12:52,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:12:52,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:12:52,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:12:52,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:12:52,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:12:52,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:12:52,652 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:12:52,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:12:52,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:12:52,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:12:52,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:12:52,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:12:52,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55dce27fdc9c44ff408174badf0a943270d2adadc96357bb37463f058a6a7cee [2024-10-14 17:12:52,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:12:52,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:12:52,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:12:52,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:12:52,921 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:12:52,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-subst.wvr.c [2024-10-14 17:12:54,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:12:54,577 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:12:54,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-subst.wvr.c [2024-10-14 17:12:54,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ba8e68d/0babe8cd6c88498782735cc8c44b2578/FLAG53d564a09 [2024-10-14 17:12:54,596 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ba8e68d/0babe8cd6c88498782735cc8c44b2578 [2024-10-14 17:12:54,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:12:54,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:12:54,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:12:54,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:12:54,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:12:54,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7252c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54, skipping insertion in model container [2024-10-14 17:12:54,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:12:54,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:12:54,829 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:12:54,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:12:54,871 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:12:54,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54 WrapperNode [2024-10-14 17:12:54,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:12:54,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:12:54,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:12:54,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:12:54,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,927 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 323 [2024-10-14 17:12:54,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:12:54,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:12:54,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:12:54,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:12:54,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:12:54,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:12:54,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:12:54,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:12:54,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (1/1) ... [2024-10-14 17:12:54,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:12:55,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:12:55,017 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 17:12:55,020 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 17:12:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:12:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:12:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:12:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-14 17:12:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-14 17:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:12:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:12:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:12:55,073 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 17:12:55,172 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:12:55,174 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:12:55,675 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:12:55,675 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:12:56,073 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:12:56,073 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 17:12:56,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:12:56 BoogieIcfgContainer [2024-10-14 17:12:56,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:12:56,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:12:56,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:12:56,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:12:56,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:12:54" (1/3) ... [2024-10-14 17:12:56,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9f52ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:12:56, skipping insertion in model container [2024-10-14 17:12:56,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:12:54" (2/3) ... [2024-10-14 17:12:56,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9f52ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:12:56, skipping insertion in model container [2024-10-14 17:12:56,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:12:56" (3/3) ... [2024-10-14 17:12:56,083 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2024-10-14 17:12:56,102 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:12:56,102 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2024-10-14 17:12:56,102 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:12:56,197 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-14 17:12:56,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 202 transitions, 425 flow [2024-10-14 17:12:56,335 INFO L124 PetriNetUnfolderBase]: 3/199 cut-off events. [2024-10-14 17:12:56,335 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:12:56,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 199 events. 3/199 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 188 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2024-10-14 17:12:56,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 202 transitions, 425 flow [2024-10-14 17:12:56,351 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 176 transitions, 370 flow [2024-10-14 17:12:56,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:12:56,373 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;@312ff15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:12:56,374 INFO L334 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-10-14 17:12:56,383 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:12:56,384 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-10-14 17:12:56,384 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:12:56,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:56,385 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] [2024-10-14 17:12:56,385 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:56,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:56,392 INFO L85 PathProgramCache]: Analyzing trace with hash -2016469577, now seen corresponding path program 1 times [2024-10-14 17:12:56,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:56,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510466121] [2024-10-14 17:12:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:56,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:56,605 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 17:12:56,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:56,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510466121] [2024-10-14 17:12:56,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510466121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:56,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:56,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:56,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317594983] [2024-10-14 17:12:56,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:56,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:56,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:56,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:56,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:56,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 202 [2024-10-14 17:12:56,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 176 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:56,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:56,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 202 [2024-10-14 17:12:56,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:56,807 INFO L124 PetriNetUnfolderBase]: 15/198 cut-off events. [2024-10-14 17:12:56,807 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-14 17:12:56,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 198 events. 15/198 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 215 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 150. Up to 40 conditions per place. [2024-10-14 17:12:56,812 INFO L140 encePairwiseOnDemand]: 175/202 looper letters, 12 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-10-14 17:12:56,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 151 transitions, 348 flow [2024-10-14 17:12:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2024-10-14 17:12:56,829 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8564356435643564 [2024-10-14 17:12:56,833 INFO L175 Difference]: Start difference. First operand has 186 places, 176 transitions, 370 flow. Second operand 3 states and 519 transitions. [2024-10-14 17:12:56,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 151 transitions, 348 flow [2024-10-14 17:12:56,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 151 transitions, 336 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-14 17:12:56,843 INFO L231 Difference]: Finished difference. Result has 157 places, 151 transitions, 312 flow [2024-10-14 17:12:56,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=157, PETRI_TRANSITIONS=151} [2024-10-14 17:12:56,851 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -29 predicate places. [2024-10-14 17:12:56,852 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 151 transitions, 312 flow [2024-10-14 17:12:56,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:56,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:56,852 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:56,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:12:56,853 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:56,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:56,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1417570411, now seen corresponding path program 1 times [2024-10-14 17:12:56,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:56,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227216121] [2024-10-14 17:12:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:56,939 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 17:12:56,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:56,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227216121] [2024-10-14 17:12:56,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227216121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:56,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:56,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:56,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616277901] [2024-10-14 17:12:56,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:56,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:56,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:56,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:56,958 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 202 [2024-10-14 17:12:56,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 151 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:56,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:56,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 202 [2024-10-14 17:12:56,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:57,053 INFO L124 PetriNetUnfolderBase]: 15/197 cut-off events. [2024-10-14 17:12:57,054 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:57,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 197 events. 15/197 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 211 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 216. Up to 40 conditions per place. [2024-10-14 17:12:57,055 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 12 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-10-14 17:12:57,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 150 transitions, 338 flow [2024-10-14 17:12:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-14 17:12:57,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8168316831683168 [2024-10-14 17:12:57,060 INFO L175 Difference]: Start difference. First operand has 157 places, 151 transitions, 312 flow. Second operand 3 states and 495 transitions. [2024-10-14 17:12:57,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 150 transitions, 338 flow [2024-10-14 17:12:57,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 150 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:57,066 INFO L231 Difference]: Finished difference. Result has 156 places, 150 transitions, 310 flow [2024-10-14 17:12:57,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=156, PETRI_TRANSITIONS=150} [2024-10-14 17:12:57,068 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -30 predicate places. [2024-10-14 17:12:57,068 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 150 transitions, 310 flow [2024-10-14 17:12:57,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:57,069 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] [2024-10-14 17:12:57,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:12:57,069 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:57,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:57,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1870206582, now seen corresponding path program 1 times [2024-10-14 17:12:57,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:57,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572456912] [2024-10-14 17:12:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:57,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:57,150 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 17:12:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:57,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572456912] [2024-10-14 17:12:57,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572456912] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:57,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:57,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:57,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010078207] [2024-10-14 17:12:57,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:57,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:57,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:57,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:57,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:57,162 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 202 [2024-10-14 17:12:57,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 150 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:57,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 202 [2024-10-14 17:12:57,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:57,219 INFO L124 PetriNetUnfolderBase]: 15/196 cut-off events. [2024-10-14 17:12:57,219 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:57,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 196 events. 15/196 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 211 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 207. Up to 40 conditions per place. [2024-10-14 17:12:57,221 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 12 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2024-10-14 17:12:57,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 149 transitions, 336 flow [2024-10-14 17:12:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-14 17:12:57,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8168316831683168 [2024-10-14 17:12:57,223 INFO L175 Difference]: Start difference. First operand has 156 places, 150 transitions, 310 flow. Second operand 3 states and 495 transitions. [2024-10-14 17:12:57,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 149 transitions, 336 flow [2024-10-14 17:12:57,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 149 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:57,226 INFO L231 Difference]: Finished difference. Result has 155 places, 149 transitions, 308 flow [2024-10-14 17:12:57,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=155, PETRI_TRANSITIONS=149} [2024-10-14 17:12:57,228 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -31 predicate places. [2024-10-14 17:12:57,228 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 149 transitions, 308 flow [2024-10-14 17:12:57,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:57,229 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] [2024-10-14 17:12:57,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:12:57,229 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:57,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:57,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1104630724, now seen corresponding path program 1 times [2024-10-14 17:12:57,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:57,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143179268] [2024-10-14 17:12:57,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:57,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:57,292 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 17:12:57,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:57,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143179268] [2024-10-14 17:12:57,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143179268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:57,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:57,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:57,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871917806] [2024-10-14 17:12:57,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:57,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:57,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:57,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:57,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:57,306 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 202 [2024-10-14 17:12:57,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 149 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:57,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 202 [2024-10-14 17:12:57,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:57,363 INFO L124 PetriNetUnfolderBase]: 15/195 cut-off events. [2024-10-14 17:12:57,365 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:57,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 195 events. 15/195 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 210 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 198. Up to 40 conditions per place. [2024-10-14 17:12:57,366 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 12 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2024-10-14 17:12:57,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 148 transitions, 334 flow [2024-10-14 17:12:57,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-14 17:12:57,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8168316831683168 [2024-10-14 17:12:57,369 INFO L175 Difference]: Start difference. First operand has 155 places, 149 transitions, 308 flow. Second operand 3 states and 495 transitions. [2024-10-14 17:12:57,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 148 transitions, 334 flow [2024-10-14 17:12:57,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 148 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:57,373 INFO L231 Difference]: Finished difference. Result has 154 places, 148 transitions, 306 flow [2024-10-14 17:12:57,376 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=154, PETRI_TRANSITIONS=148} [2024-10-14 17:12:57,377 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -32 predicate places. [2024-10-14 17:12:57,377 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 148 transitions, 306 flow [2024-10-14 17:12:57,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:57,379 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] [2024-10-14 17:12:57,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:12:57,379 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:57,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:57,381 INFO L85 PathProgramCache]: Analyzing trace with hash -20726739, now seen corresponding path program 1 times [2024-10-14 17:12:57,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:57,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413751803] [2024-10-14 17:12:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:57,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:57,425 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 17:12:57,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:57,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413751803] [2024-10-14 17:12:57,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413751803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:57,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:57,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:57,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583695376] [2024-10-14 17:12:57,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:57,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:57,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:57,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:57,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:57,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 202 [2024-10-14 17:12:57,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 148 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:57,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 202 [2024-10-14 17:12:57,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:57,494 INFO L124 PetriNetUnfolderBase]: 15/194 cut-off events. [2024-10-14 17:12:57,494 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:57,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 194 events. 15/194 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 209 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 189. Up to 40 conditions per place. [2024-10-14 17:12:57,496 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 12 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-10-14 17:12:57,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 147 transitions, 332 flow [2024-10-14 17:12:57,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-14 17:12:57,498 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8168316831683168 [2024-10-14 17:12:57,498 INFO L175 Difference]: Start difference. First operand has 154 places, 148 transitions, 306 flow. Second operand 3 states and 495 transitions. [2024-10-14 17:12:57,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 147 transitions, 332 flow [2024-10-14 17:12:57,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 147 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:57,501 INFO L231 Difference]: Finished difference. Result has 153 places, 147 transitions, 304 flow [2024-10-14 17:12:57,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=151, 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=153, PETRI_TRANSITIONS=147} [2024-10-14 17:12:57,502 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -33 predicate places. [2024-10-14 17:12:57,503 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 147 transitions, 304 flow [2024-10-14 17:12:57,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,503 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:57,504 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:57,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:12:57,504 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:57,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1439681407, now seen corresponding path program 1 times [2024-10-14 17:12:57,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:57,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952114559] [2024-10-14 17:12:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:57,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:57,545 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 17:12:57,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:57,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952114559] [2024-10-14 17:12:57,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952114559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:57,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:57,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:57,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497123288] [2024-10-14 17:12:57,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:57,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:57,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:57,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:57,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:57,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 202 [2024-10-14 17:12:57,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 147 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:57,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 202 [2024-10-14 17:12:57,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:57,619 INFO L124 PetriNetUnfolderBase]: 15/193 cut-off events. [2024-10-14 17:12:57,620 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:57,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 193 events. 15/193 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 209 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 180. Up to 40 conditions per place. [2024-10-14 17:12:57,621 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 12 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-10-14 17:12:57,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 146 transitions, 330 flow [2024-10-14 17:12:57,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-14 17:12:57,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8168316831683168 [2024-10-14 17:12:57,623 INFO L175 Difference]: Start difference. First operand has 153 places, 147 transitions, 304 flow. Second operand 3 states and 495 transitions. [2024-10-14 17:12:57,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 146 transitions, 330 flow [2024-10-14 17:12:57,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:57,626 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 302 flow [2024-10-14 17:12:57,626 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=150, 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=152, PETRI_TRANSITIONS=146} [2024-10-14 17:12:57,627 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -34 predicate places. [2024-10-14 17:12:57,627 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 302 flow [2024-10-14 17:12:57,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:12:57,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:57,628 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:57,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:12:57,628 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:57,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:57,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1068391769, now seen corresponding path program 1 times [2024-10-14 17:12:57,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:57,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157421600] [2024-10-14 17:12:57,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:57,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:57,679 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 17:12:57,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:57,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157421600] [2024-10-14 17:12:57,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157421600] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:57,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:57,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696775301] [2024-10-14 17:12:57,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:57,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:57,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:57,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:57,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:57,704 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 202 [2024-10-14 17:12:57,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 17:12:57,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:57,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 202 [2024-10-14 17:12:57,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:57,755 INFO L124 PetriNetUnfolderBase]: 15/192 cut-off events. [2024-10-14 17:12:57,755 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:57,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 192 events. 15/192 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 208 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 172. Up to 41 conditions per place. [2024-10-14 17:12:57,756 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 13 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-10-14 17:12:57,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 145 transitions, 330 flow [2024-10-14 17:12:57,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 493 transitions. [2024-10-14 17:12:57,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8135313531353136 [2024-10-14 17:12:57,758 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 302 flow. Second operand 3 states and 493 transitions. [2024-10-14 17:12:57,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 145 transitions, 330 flow [2024-10-14 17:12:57,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:57,761 INFO L231 Difference]: Finished difference. Result has 151 places, 145 transitions, 300 flow [2024-10-14 17:12:57,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=149, 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=151, PETRI_TRANSITIONS=145} [2024-10-14 17:12:57,762 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -35 predicate places. [2024-10-14 17:12:57,763 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 145 transitions, 300 flow [2024-10-14 17:12:57,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 17:12:57,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:57,765 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:57,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:12:57,765 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:57,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash -2067475754, now seen corresponding path program 1 times [2024-10-14 17:12:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:57,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517107870] [2024-10-14 17:12:57,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:57,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:57,825 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 17:12:57,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:57,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517107870] [2024-10-14 17:12:57,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517107870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:57,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:57,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:57,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015879419] [2024-10-14 17:12:57,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:57,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:57,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:57,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:57,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:57,848 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 202 [2024-10-14 17:12:57,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 145 transitions, 300 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) [2024-10-14 17:12:57,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:57,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 202 [2024-10-14 17:12:57,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:57,915 INFO L124 PetriNetUnfolderBase]: 15/191 cut-off events. [2024-10-14 17:12:57,917 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:57,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 191 events. 15/191 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 211 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 164. Up to 42 conditions per place. [2024-10-14 17:12:57,919 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 14 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2024-10-14 17:12:57,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 144 transitions, 330 flow [2024-10-14 17:12:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:57,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:57,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions. [2024-10-14 17:12:57,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8102310231023102 [2024-10-14 17:12:57,921 INFO L175 Difference]: Start difference. First operand has 151 places, 145 transitions, 300 flow. Second operand 3 states and 491 transitions. [2024-10-14 17:12:57,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 144 transitions, 330 flow [2024-10-14 17:12:57,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 144 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:57,924 INFO L231 Difference]: Finished difference. Result has 150 places, 144 transitions, 298 flow [2024-10-14 17:12:57,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=150, PETRI_TRANSITIONS=144} [2024-10-14 17:12:57,926 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -36 predicate places. [2024-10-14 17:12:57,927 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 144 transitions, 298 flow [2024-10-14 17:12:57,927 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) [2024-10-14 17:12:57,927 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:57,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:57,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:12:57,928 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:57,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:57,931 INFO L85 PathProgramCache]: Analyzing trace with hash 191296565, now seen corresponding path program 1 times [2024-10-14 17:12:57,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:57,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163207978] [2024-10-14 17:12:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:57,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:57,999 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 17:12:58,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:58,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163207978] [2024-10-14 17:12:58,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163207978] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:58,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:58,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:58,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774949154] [2024-10-14 17:12:58,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:58,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:58,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:58,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:58,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:58,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 202 [2024-10-14 17:12:58,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 144 transitions, 298 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) [2024-10-14 17:12:58,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:58,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 202 [2024-10-14 17:12:58,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:58,087 INFO L124 PetriNetUnfolderBase]: 15/190 cut-off events. [2024-10-14 17:12:58,088 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:58,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 190 events. 15/190 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 210 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 155. Up to 42 conditions per place. [2024-10-14 17:12:58,089 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 14 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2024-10-14 17:12:58,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 143 transitions, 328 flow [2024-10-14 17:12:58,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions. [2024-10-14 17:12:58,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8102310231023102 [2024-10-14 17:12:58,091 INFO L175 Difference]: Start difference. First operand has 150 places, 144 transitions, 298 flow. Second operand 3 states and 491 transitions. [2024-10-14 17:12:58,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 143 transitions, 328 flow [2024-10-14 17:12:58,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 143 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:58,094 INFO L231 Difference]: Finished difference. Result has 149 places, 143 transitions, 296 flow [2024-10-14 17:12:58,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=147, 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=296, PETRI_PLACES=149, PETRI_TRANSITIONS=143} [2024-10-14 17:12:58,096 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -37 predicate places. [2024-10-14 17:12:58,096 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 143 transitions, 296 flow [2024-10-14 17:12:58,097 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) [2024-10-14 17:12:58,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:58,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:58,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:12:58,097 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:58,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:58,098 INFO L85 PathProgramCache]: Analyzing trace with hash 291084553, now seen corresponding path program 1 times [2024-10-14 17:12:58,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:58,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825442953] [2024-10-14 17:12:58,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:58,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:58,255 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 17:12:58,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:58,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825442953] [2024-10-14 17:12:58,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825442953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:58,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:58,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:58,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754922516] [2024-10-14 17:12:58,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:58,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:58,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:58,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:58,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:58,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 202 [2024-10-14 17:12:58,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 143 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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 17:12:58,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:58,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 202 [2024-10-14 17:12:58,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:58,310 INFO L124 PetriNetUnfolderBase]: 15/189 cut-off events. [2024-10-14 17:12:58,311 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:58,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 189 events. 15/189 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 203 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 142. Up to 38 conditions per place. [2024-10-14 17:12:58,312 INFO L140 encePairwiseOnDemand]: 200/202 looper letters, 11 selfloop transitions, 1 changer transitions 0/142 dead transitions. [2024-10-14 17:12:58,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 142 transitions, 318 flow [2024-10-14 17:12:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:58,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions. [2024-10-14 17:12:58,314 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8283828382838284 [2024-10-14 17:12:58,314 INFO L175 Difference]: Start difference. First operand has 149 places, 143 transitions, 296 flow. Second operand 3 states and 502 transitions. [2024-10-14 17:12:58,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 142 transitions, 318 flow [2024-10-14 17:12:58,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 142 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:12:58,317 INFO L231 Difference]: Finished difference. Result has 148 places, 142 transitions, 292 flow [2024-10-14 17:12:58,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=148, PETRI_TRANSITIONS=142} [2024-10-14 17:12:58,318 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -38 predicate places. [2024-10-14 17:12:58,319 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 142 transitions, 292 flow [2024-10-14 17:12:58,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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 17:12:58,320 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:58,320 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:58,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:12:58,321 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:58,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:58,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1360227681, now seen corresponding path program 1 times [2024-10-14 17:12:58,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:58,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714217969] [2024-10-14 17:12:58,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:58,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:58,411 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 17:12:58,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:58,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714217969] [2024-10-14 17:12:58,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714217969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:58,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:58,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:58,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522105642] [2024-10-14 17:12:58,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:58,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:58,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:58,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:58,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:58,426 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 202 [2024-10-14 17:12:58,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 142 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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 17:12:58,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:58,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 202 [2024-10-14 17:12:58,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:58,476 INFO L124 PetriNetUnfolderBase]: 15/187 cut-off events. [2024-10-14 17:12:58,476 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:58,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 187 events. 15/187 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 200 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 216. Up to 38 conditions per place. [2024-10-14 17:12:58,477 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 13 selfloop transitions, 1 changer transitions 0/140 dead transitions. [2024-10-14 17:12:58,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 140 transitions, 316 flow [2024-10-14 17:12:58,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-10-14 17:12:58,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8184818481848185 [2024-10-14 17:12:58,479 INFO L175 Difference]: Start difference. First operand has 148 places, 142 transitions, 292 flow. Second operand 3 states and 496 transitions. [2024-10-14 17:12:58,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 140 transitions, 316 flow [2024-10-14 17:12:58,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 140 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:12:58,482 INFO L231 Difference]: Finished difference. Result has 147 places, 140 transitions, 289 flow [2024-10-14 17:12:58,482 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=147, PETRI_TRANSITIONS=140} [2024-10-14 17:12:58,483 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -39 predicate places. [2024-10-14 17:12:58,483 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 140 transitions, 289 flow [2024-10-14 17:12:58,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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 17:12:58,483 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:12:58,484 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:58,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 17:12:58,484 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-10-14 17:12:58,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:12:58,484 INFO L85 PathProgramCache]: Analyzing trace with hash 45538976, now seen corresponding path program 1 times [2024-10-14 17:12:58,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:12:58,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134394909] [2024-10-14 17:12:58,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:12:58,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:12:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:12:58,566 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 17:12:58,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:12:58,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134394909] [2024-10-14 17:12:58,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134394909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:12:58,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:12:58,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:12:58,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105588629] [2024-10-14 17:12:58,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:12:58,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:12:58,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:12:58,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:12:58,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:12:58,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 202 [2024-10-14 17:12:58,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 140 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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 17:12:58,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:12:58,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 202 [2024-10-14 17:12:58,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:12:58,645 INFO L124 PetriNetUnfolderBase]: 15/185 cut-off events. [2024-10-14 17:12:58,645 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-14 17:12:58,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 185 events. 15/185 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 199 event pairs, 15 based on Foata normal form. 1/182 useless extension candidates. Maximal degree in co-relation 221. Up to 38 conditions per place. [2024-10-14 17:12:58,646 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2024-10-14 17:12:58,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 138 transitions, 311 flow [2024-10-14 17:12:58,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:12:58,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:12:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2024-10-14 17:12:58,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8168316831683168 [2024-10-14 17:12:58,649 INFO L175 Difference]: Start difference. First operand has 147 places, 140 transitions, 289 flow. Second operand 3 states and 495 transitions. [2024-10-14 17:12:58,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 138 transitions, 311 flow [2024-10-14 17:12:58,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 138 transitions, 310 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:12:58,651 INFO L231 Difference]: Finished difference. Result has 146 places, 0 transitions, 0 flow [2024-10-14 17:12:58,651 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=146, PETRI_TRANSITIONS=0} [2024-10-14 17:12:58,654 INFO L277 CegarLoopForPetriNet]: 186 programPoint places, -40 predicate places. [2024-10-14 17:12:58,654 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 0 transitions, 0 flow [2024-10-14 17:12:58,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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 17:12:58,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (64 of 65 remaining) [2024-10-14 17:12:58,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2024-10-14 17:12:58,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2024-10-14 17:12:58,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2024-10-14 17:12:58,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2024-10-14 17:12:58,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2024-10-14 17:12:58,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2024-10-14 17:12:58,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2024-10-14 17:12:58,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2024-10-14 17:12:58,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2024-10-14 17:12:58,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2024-10-14 17:12:58,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2024-10-14 17:12:58,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2024-10-14 17:12:58,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2024-10-14 17:12:58,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2024-10-14 17:12:58,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2024-10-14 17:12:58,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2024-10-14 17:12:58,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2024-10-14 17:12:58,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2024-10-14 17:12:58,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2024-10-14 17:12:58,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2024-10-14 17:12:58,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2024-10-14 17:12:58,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2024-10-14 17:12:58,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2024-10-14 17:12:58,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2024-10-14 17:12:58,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2024-10-14 17:12:58,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2024-10-14 17:12:58,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2024-10-14 17:12:58,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2024-10-14 17:12:58,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2024-10-14 17:12:58,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2024-10-14 17:12:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2024-10-14 17:12:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2024-10-14 17:12:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 65 remaining) [2024-10-14 17:12:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 65 remaining) [2024-10-14 17:12:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2024-10-14 17:12:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2024-10-14 17:12:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 65 remaining) [2024-10-14 17:12:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 65 remaining) [2024-10-14 17:12:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 65 remaining) [2024-10-14 17:12:58,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 65 remaining) [2024-10-14 17:12:58,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2024-10-14 17:12:58,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2024-10-14 17:12:58,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2024-10-14 17:12:58,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2024-10-14 17:12:58,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2024-10-14 17:12:58,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2024-10-14 17:12:58,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2024-10-14 17:12:58,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2024-10-14 17:12:58,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2024-10-14 17:12:58,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2024-10-14 17:12:58,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2024-10-14 17:12:58,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2024-10-14 17:12:58,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2024-10-14 17:12:58,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2024-10-14 17:12:58,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2024-10-14 17:12:58,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2024-10-14 17:12:58,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2024-10-14 17:12:58,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2024-10-14 17:12:58,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2024-10-14 17:12:58,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2024-10-14 17:12:58,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2024-10-14 17:12:58,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2024-10-14 17:12:58,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2024-10-14 17:12:58,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2024-10-14 17:12:58,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 17:12:58,679 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:12:58,686 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:12:58,686 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:12:58,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:12:58 BasicIcfg [2024-10-14 17:12:58,695 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:12:58,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:12:58,696 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:12:58,696 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:12:58,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:12:56" (3/4) ... [2024-10-14 17:12:58,699 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:12:58,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:12:58,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:12:58,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-14 17:12:58,708 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-14 17:12:58,708 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:12:58,709 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:12:58,709 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:12:58,806 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:12:58,806 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:12:58,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:12:58,807 INFO L158 Benchmark]: Toolchain (without parser) took 4207.18ms. Allocated memory was 146.8MB in the beginning and 262.1MB in the end (delta: 115.3MB). Free memory was 99.6MB in the beginning and 211.7MB in the end (delta: -112.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 17:12:58,807 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:12:58,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.56ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 86.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 17:12:58,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.70ms. Allocated memory is still 146.8MB. Free memory was 86.6MB in the beginning and 83.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:12:58,808 INFO L158 Benchmark]: Boogie Preprocessor took 54.06ms. Allocated memory is still 146.8MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:12:58,808 INFO L158 Benchmark]: RCFGBuilder took 1091.44ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 82.0MB in the beginning and 164.0MB in the end (delta: -82.1MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2024-10-14 17:12:58,809 INFO L158 Benchmark]: TraceAbstraction took 2619.06ms. Allocated memory was 201.3MB in the beginning and 262.1MB in the end (delta: 60.8MB). Free memory was 163.0MB in the beginning and 218.1MB in the end (delta: -55.1MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2024-10-14 17:12:58,809 INFO L158 Benchmark]: Witness Printer took 110.64ms. Allocated memory is still 262.1MB. Free memory was 218.1MB in the beginning and 211.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 17:12:58,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.56ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 86.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.70ms. Allocated memory is still 146.8MB. Free memory was 86.6MB in the beginning and 83.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.06ms. Allocated memory is still 146.8MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1091.44ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 82.0MB in the beginning and 164.0MB in the end (delta: -82.1MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2619.06ms. Allocated memory was 201.3MB in the beginning and 262.1MB in the end (delta: 60.8MB). Free memory was 163.0MB in the beginning and 218.1MB in the end (delta: -55.1MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. * Witness Printer took 110.64ms. Allocated memory is still 262.1MB. Free memory was 218.1MB in the beginning and 211.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 63]: 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: 64]: 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: 64]: 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: 74]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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, 242 locations, 65 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: 2.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 40 mSDtfsCounter, 345 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=370occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 913 NumberOfCodeBlocks, 913 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 901 ConstructedInterpolants, 0 QuantifiedInterpolants, 925 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:12:58,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE