./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-collitem-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:13:47,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:13:47,565 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:13:47,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:13:47,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:13:47,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:13:47,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:13:47,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:13:47,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:13:47,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:13:47,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:13:47,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:13:47,615 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:13:47,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:13:47,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:13:47,618 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:13:47,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:13:47,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:13:47,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:13:47,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:13:47,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:13:47,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:13:47,623 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:13:47,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:13:47,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:13:47,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:13:47,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:13:47,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:13:47,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:13:47,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:13:47,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:13:47,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:13:47,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:13:47,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:13:47,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:13:47,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:13:47,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:13:47,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:13:47,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:13:47,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:13:47,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:13:47,630 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2024-10-11 17:13:47,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:13:47,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:13:47,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:13:47,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:13:47,908 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:13:47,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-10-11 17:13:49,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:13:49,577 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:13:49,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-10-11 17:13:49,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/63de902cb/d7df8334a2274481adab87d0adfc7157/FLAGff102fddf [2024-10-11 17:13:49,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/63de902cb/d7df8334a2274481adab87d0adfc7157 [2024-10-11 17:13:49,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:13:49,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:13:49,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:13:49,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:13:49,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:13:49,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:13:49" (1/1) ... [2024-10-11 17:13:49,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e28d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:49, skipping insertion in model container [2024-10-11 17:13:49,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:13:49" (1/1) ... [2024-10-11 17:13:49,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:13:50,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:13:50,210 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:13:50,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:13:50,254 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:13:50,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50 WrapperNode [2024-10-11 17:13:50,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:13:50,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:13:50,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:13:50,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:13:50,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,305 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 16, calls inlined = 30, statements flattened = 405 [2024-10-11 17:13:50,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:13:50,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:13:50,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:13:50,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:13:50,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:13:50,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:13:50,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:13:50,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:13:50,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (1/1) ... [2024-10-11 17:13:50,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:13:50,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:13:50,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:13:50,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:13:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:13:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:13:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:13:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:13:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 17:13:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 17:13:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:13:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:13:50,440 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:13:50,562 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:13:50,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:13:51,175 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:13:51,175 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:13:51,982 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:13:51,982 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:13:51,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:13:51 BoogieIcfgContainer [2024-10-11 17:13:51,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:13:51,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:13:51,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:13:51,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:13:51,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:13:49" (1/3) ... [2024-10-11 17:13:51,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302a16cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:13:51, skipping insertion in model container [2024-10-11 17:13:52,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:13:50" (2/3) ... [2024-10-11 17:13:52,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302a16cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:13:52, skipping insertion in model container [2024-10-11 17:13:52,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:13:51" (3/3) ... [2024-10-11 17:13:52,035 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-symm.wvr.c [2024-10-11 17:13:52,051 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:13:52,052 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-10-11 17:13:52,053 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:13:52,148 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 17:13:52,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 235 transitions, 484 flow [2024-10-11 17:13:52,277 INFO L124 PetriNetUnfolderBase]: 6/233 cut-off events. [2024-10-11 17:13:52,278 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:52,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 233 events. 6/233 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 284 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2024-10-11 17:13:52,284 INFO L82 GeneralOperation]: Start removeDead. Operand has 236 places, 235 transitions, 484 flow [2024-10-11 17:13:52,292 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 216 places, 213 transitions, 438 flow [2024-10-11 17:13:52,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:13:52,315 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;@45bff171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:13:52,316 INFO L334 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2024-10-11 17:13:52,325 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:13:52,326 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-10-11 17:13:52,326 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:13:52,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:52,327 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] [2024-10-11 17:13:52,328 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:52,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:52,333 INFO L85 PathProgramCache]: Analyzing trace with hash 44131651, now seen corresponding path program 1 times [2024-10-11 17:13:52,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:52,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012202788] [2024-10-11 17:13:52,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:52,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:52,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:52,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012202788] [2024-10-11 17:13:52,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012202788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:52,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:52,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:52,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89237855] [2024-10-11 17:13:52,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:52,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:52,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:52,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:52,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 235 [2024-10-11 17:13:52,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 213 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:52,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:52,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 235 [2024-10-11 17:13:52,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:52,694 INFO L124 PetriNetUnfolderBase]: 5/184 cut-off events. [2024-10-11 17:13:52,695 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-11 17:13:52,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 184 events. 5/184 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 3 based on Foata normal form. 2/167 useless extension candidates. Maximal degree in co-relation 48. Up to 16 conditions per place. [2024-10-11 17:13:52,698 INFO L140 encePairwiseOnDemand]: 194/235 looper letters, 9 selfloop transitions, 2 changer transitions 2/174 dead transitions. [2024-10-11 17:13:52,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 174 transitions, 382 flow [2024-10-11 17:13:52,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 596 transitions. [2024-10-11 17:13:52,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8453900709219858 [2024-10-11 17:13:52,717 INFO L175 Difference]: Start difference. First operand has 216 places, 213 transitions, 438 flow. Second operand 3 states and 596 transitions. [2024-10-11 17:13:52,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 174 transitions, 382 flow [2024-10-11 17:13:52,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 174 transitions, 374 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 17:13:52,726 INFO L231 Difference]: Finished difference. Result has 177 places, 172 transitions, 352 flow [2024-10-11 17:13:52,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=177, PETRI_TRANSITIONS=172} [2024-10-11 17:13:52,734 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -39 predicate places. [2024-10-11 17:13:52,734 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 172 transitions, 352 flow [2024-10-11 17:13:52,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:52,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:52,735 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] [2024-10-11 17:13:52,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:13:52,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:52,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:52,737 INFO L85 PathProgramCache]: Analyzing trace with hash -446966841, now seen corresponding path program 1 times [2024-10-11 17:13:52,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:52,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230926942] [2024-10-11 17:13:52,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:52,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:52,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:52,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230926942] [2024-10-11 17:13:52,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230926942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:52,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:52,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:52,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53960730] [2024-10-11 17:13:52,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:52,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:52,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:52,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:52,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:52,837 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 235 [2024-10-11 17:13:52,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 172 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:52,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:52,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 235 [2024-10-11 17:13:52,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:52,903 INFO L124 PetriNetUnfolderBase]: 5/181 cut-off events. [2024-10-11 17:13:52,904 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:52,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 181 events. 5/181 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 172. Up to 16 conditions per place. [2024-10-11 17:13:52,906 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 9 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2024-10-11 17:13:52,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 171 transitions, 372 flow [2024-10-11 17:13:52,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:52,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2024-10-11 17:13:52,910 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7914893617021277 [2024-10-11 17:13:52,911 INFO L175 Difference]: Start difference. First operand has 177 places, 172 transitions, 352 flow. Second operand 3 states and 558 transitions. [2024-10-11 17:13:52,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 171 transitions, 372 flow [2024-10-11 17:13:52,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 171 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:52,919 INFO L231 Difference]: Finished difference. Result has 174 places, 171 transitions, 350 flow [2024-10-11 17:13:52,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=174, PETRI_TRANSITIONS=171} [2024-10-11 17:13:52,920 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -42 predicate places. [2024-10-11 17:13:52,920 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 171 transitions, 350 flow [2024-10-11 17:13:52,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:52,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:52,921 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] [2024-10-11 17:13:52,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:13:52,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:52,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:52,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2087081793, now seen corresponding path program 1 times [2024-10-11 17:13:52,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:52,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395398638] [2024-10-11 17:13:52,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:52,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:52,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:52,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395398638] [2024-10-11 17:13:52,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395398638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:52,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:52,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:52,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538301987] [2024-10-11 17:13:52,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:52,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:52,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:52,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:52,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:52,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 235 [2024-10-11 17:13:52,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 171 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:52,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:52,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 235 [2024-10-11 17:13:52,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:53,057 INFO L124 PetriNetUnfolderBase]: 5/180 cut-off events. [2024-10-11 17:13:53,059 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:53,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 180 events. 5/180 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 163. Up to 16 conditions per place. [2024-10-11 17:13:53,061 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 9 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2024-10-11 17:13:53,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 170 transitions, 370 flow [2024-10-11 17:13:53,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2024-10-11 17:13:53,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7914893617021277 [2024-10-11 17:13:53,065 INFO L175 Difference]: Start difference. First operand has 174 places, 171 transitions, 350 flow. Second operand 3 states and 558 transitions. [2024-10-11 17:13:53,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 170 transitions, 370 flow [2024-10-11 17:13:53,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 170 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:53,069 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 348 flow [2024-10-11 17:13:53,072 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2024-10-11 17:13:53,072 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -43 predicate places. [2024-10-11 17:13:53,073 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 348 flow [2024-10-11 17:13:53,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:53,075 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:13:53,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:13:53,075 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:53,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:53,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1448159224, now seen corresponding path program 1 times [2024-10-11 17:13:53,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:53,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758951603] [2024-10-11 17:13:53,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:53,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:53,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:53,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758951603] [2024-10-11 17:13:53,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758951603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:53,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:53,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:53,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842423745] [2024-10-11 17:13:53,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:53,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:53,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:53,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:53,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:53,142 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 235 [2024-10-11 17:13:53,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:53,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 235 [2024-10-11 17:13:53,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:53,206 INFO L124 PetriNetUnfolderBase]: 5/179 cut-off events. [2024-10-11 17:13:53,207 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:53,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 179 events. 5/179 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 154. Up to 16 conditions per place. [2024-10-11 17:13:53,208 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 9 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2024-10-11 17:13:53,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 368 flow [2024-10-11 17:13:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:53,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2024-10-11 17:13:53,210 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7914893617021277 [2024-10-11 17:13:53,211 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 348 flow. Second operand 3 states and 558 transitions. [2024-10-11 17:13:53,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 368 flow [2024-10-11 17:13:53,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 169 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:53,214 INFO L231 Difference]: Finished difference. Result has 172 places, 169 transitions, 346 flow [2024-10-11 17:13:53,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=172, PETRI_TRANSITIONS=169} [2024-10-11 17:13:53,215 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -44 predicate places. [2024-10-11 17:13:53,216 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 169 transitions, 346 flow [2024-10-11 17:13:53,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:53,216 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] [2024-10-11 17:13:53,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:13:53,217 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:53,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:53,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1683287176, now seen corresponding path program 1 times [2024-10-11 17:13:53,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:53,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359862460] [2024-10-11 17:13:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:53,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:53,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359862460] [2024-10-11 17:13:53,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359862460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:53,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:53,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:53,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403580793] [2024-10-11 17:13:53,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:53,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:53,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:53,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:53,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:53,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 235 [2024-10-11 17:13:53,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:53,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 235 [2024-10-11 17:13:53,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:53,337 INFO L124 PetriNetUnfolderBase]: 5/178 cut-off events. [2024-10-11 17:13:53,337 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:53,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 178 events. 5/178 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 145. Up to 16 conditions per place. [2024-10-11 17:13:53,338 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 9 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2024-10-11 17:13:53,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 168 transitions, 366 flow [2024-10-11 17:13:53,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2024-10-11 17:13:53,340 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7914893617021277 [2024-10-11 17:13:53,340 INFO L175 Difference]: Start difference. First operand has 172 places, 169 transitions, 346 flow. Second operand 3 states and 558 transitions. [2024-10-11 17:13:53,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 168 transitions, 366 flow [2024-10-11 17:13:53,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:53,344 INFO L231 Difference]: Finished difference. Result has 171 places, 168 transitions, 344 flow [2024-10-11 17:13:53,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=171, PETRI_TRANSITIONS=168} [2024-10-11 17:13:53,345 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -45 predicate places. [2024-10-11 17:13:53,345 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 168 transitions, 344 flow [2024-10-11 17:13:53,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,346 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:53,346 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] [2024-10-11 17:13:53,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:13:53,346 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:53,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:53,347 INFO L85 PathProgramCache]: Analyzing trace with hash -698085668, now seen corresponding path program 1 times [2024-10-11 17:13:53,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:53,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172698229] [2024-10-11 17:13:53,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:53,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:53,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:53,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172698229] [2024-10-11 17:13:53,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172698229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:53,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:53,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:53,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282188027] [2024-10-11 17:13:53,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:53,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:53,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:53,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:53,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:53,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 235 [2024-10-11 17:13:53,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:53,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 235 [2024-10-11 17:13:53,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:53,490 INFO L124 PetriNetUnfolderBase]: 5/177 cut-off events. [2024-10-11 17:13:53,491 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:53,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 177 events. 5/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 136. Up to 16 conditions per place. [2024-10-11 17:13:53,492 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 9 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-10-11 17:13:53,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 167 transitions, 364 flow [2024-10-11 17:13:53,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2024-10-11 17:13:53,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7914893617021277 [2024-10-11 17:13:53,494 INFO L175 Difference]: Start difference. First operand has 171 places, 168 transitions, 344 flow. Second operand 3 states and 558 transitions. [2024-10-11 17:13:53,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 167 transitions, 364 flow [2024-10-11 17:13:53,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:53,497 INFO L231 Difference]: Finished difference. Result has 170 places, 167 transitions, 342 flow [2024-10-11 17:13:53,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=170, PETRI_TRANSITIONS=167} [2024-10-11 17:13:53,498 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -46 predicate places. [2024-10-11 17:13:53,498 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 167 transitions, 342 flow [2024-10-11 17:13:53,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:53,499 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] [2024-10-11 17:13:53,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:13:53,499 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:53,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:53,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1450537670, now seen corresponding path program 1 times [2024-10-11 17:13:53,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:53,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442854691] [2024-10-11 17:13:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:53,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:53,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:53,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442854691] [2024-10-11 17:13:53,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442854691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:53,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:53,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:53,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224383197] [2024-10-11 17:13:53,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:53,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:53,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:53,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:53,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:53,552 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 235 [2024-10-11 17:13:53,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:53,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 235 [2024-10-11 17:13:53,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:53,591 INFO L124 PetriNetUnfolderBase]: 5/176 cut-off events. [2024-10-11 17:13:53,591 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:53,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 176 events. 5/176 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 127. Up to 16 conditions per place. [2024-10-11 17:13:53,592 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 9 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-10-11 17:13:53,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 362 flow [2024-10-11 17:13:53,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2024-10-11 17:13:53,595 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7914893617021277 [2024-10-11 17:13:53,595 INFO L175 Difference]: Start difference. First operand has 170 places, 167 transitions, 342 flow. Second operand 3 states and 558 transitions. [2024-10-11 17:13:53,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 362 flow [2024-10-11 17:13:53,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:53,598 INFO L231 Difference]: Finished difference. Result has 169 places, 166 transitions, 340 flow [2024-10-11 17:13:53,598 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=169, PETRI_TRANSITIONS=166} [2024-10-11 17:13:53,599 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -47 predicate places. [2024-10-11 17:13:53,599 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 166 transitions, 340 flow [2024-10-11 17:13:53,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,600 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:53,600 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] [2024-10-11 17:13:53,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:13:53,600 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:53,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:53,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1331132437, now seen corresponding path program 1 times [2024-10-11 17:13:53,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:53,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960220318] [2024-10-11 17:13:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:53,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:53,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960220318] [2024-10-11 17:13:53,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960220318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:53,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:53,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:53,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059299257] [2024-10-11 17:13:53,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:53,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:53,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:53,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:53,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:53,677 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 235 [2024-10-11 17:13:53,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 166 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:53,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 235 [2024-10-11 17:13:53,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:53,720 INFO L124 PetriNetUnfolderBase]: 5/175 cut-off events. [2024-10-11 17:13:53,720 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:53,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 175 events. 5/175 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 118. Up to 16 conditions per place. [2024-10-11 17:13:53,721 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 9 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-10-11 17:13:53,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 165 transitions, 360 flow [2024-10-11 17:13:53,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:53,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:53,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2024-10-11 17:13:53,723 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7914893617021277 [2024-10-11 17:13:53,723 INFO L175 Difference]: Start difference. First operand has 169 places, 166 transitions, 340 flow. Second operand 3 states and 558 transitions. [2024-10-11 17:13:53,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 165 transitions, 360 flow [2024-10-11 17:13:53,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 165 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:53,727 INFO L231 Difference]: Finished difference. Result has 168 places, 165 transitions, 338 flow [2024-10-11 17:13:53,727 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=168, PETRI_TRANSITIONS=165} [2024-10-11 17:13:53,728 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -48 predicate places. [2024-10-11 17:13:53,728 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 165 transitions, 338 flow [2024-10-11 17:13:53,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,729 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:53,729 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] [2024-10-11 17:13:53,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:13:53,729 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:53,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:53,730 INFO L85 PathProgramCache]: Analyzing trace with hash -716268183, now seen corresponding path program 1 times [2024-10-11 17:13:53,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:53,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355097879] [2024-10-11 17:13:53,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:53,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:53,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:53,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355097879] [2024-10-11 17:13:53,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355097879] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:53,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:53,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:53,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097950000] [2024-10-11 17:13:53,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:53,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:53,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:53,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:53,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:53,829 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 235 [2024-10-11 17:13:53,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 165 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:53,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 235 [2024-10-11 17:13:53,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:53,866 INFO L124 PetriNetUnfolderBase]: 5/174 cut-off events. [2024-10-11 17:13:53,867 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:53,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 174 events. 5/174 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 112. Up to 19 conditions per place. [2024-10-11 17:13:53,868 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 12 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-10-11 17:13:53,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 364 flow [2024-10-11 17:13:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 552 transitions. [2024-10-11 17:13:53,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7829787234042553 [2024-10-11 17:13:53,870 INFO L175 Difference]: Start difference. First operand has 168 places, 165 transitions, 338 flow. Second operand 3 states and 552 transitions. [2024-10-11 17:13:53,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 364 flow [2024-10-11 17:13:53,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:53,873 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 336 flow [2024-10-11 17:13:53,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2024-10-11 17:13:53,874 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -49 predicate places. [2024-10-11 17:13:53,874 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 336 flow [2024-10-11 17:13:53,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:53,875 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:13:53,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:13:53,876 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:53,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:53,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1251131674, now seen corresponding path program 1 times [2024-10-11 17:13:53,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:53,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228144827] [2024-10-11 17:13:53,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:53,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:53,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:53,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228144827] [2024-10-11 17:13:53,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228144827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:53,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:53,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:53,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154501880] [2024-10-11 17:13:53,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:53,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:53,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:53,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:53,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:53,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 235 [2024-10-11 17:13:53,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:53,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:53,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 235 [2024-10-11 17:13:53,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:54,008 INFO L124 PetriNetUnfolderBase]: 5/173 cut-off events. [2024-10-11 17:13:54,009 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:54,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 173 events. 5/173 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 103. Up to 19 conditions per place. [2024-10-11 17:13:54,010 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 12 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2024-10-11 17:13:54,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 362 flow [2024-10-11 17:13:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 552 transitions. [2024-10-11 17:13:54,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7829787234042553 [2024-10-11 17:13:54,012 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 336 flow. Second operand 3 states and 552 transitions. [2024-10-11 17:13:54,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 362 flow [2024-10-11 17:13:54,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:54,015 INFO L231 Difference]: Finished difference. Result has 166 places, 163 transitions, 334 flow [2024-10-11 17:13:54,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=166, PETRI_TRANSITIONS=163} [2024-10-11 17:13:54,016 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -50 predicate places. [2024-10-11 17:13:54,016 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 334 flow [2024-10-11 17:13:54,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:54,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:54,017 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] [2024-10-11 17:13:54,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:13:54,017 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:54,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:54,018 INFO L85 PathProgramCache]: Analyzing trace with hash -509010271, now seen corresponding path program 1 times [2024-10-11 17:13:54,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:54,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785783098] [2024-10-11 17:13:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:54,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:54,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785783098] [2024-10-11 17:13:54,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785783098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:54,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:54,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:54,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375528559] [2024-10-11 17:13:54,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:54,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:54,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:54,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:54,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:54,146 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 235 [2024-10-11 17:13:54,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:54,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:54,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 235 [2024-10-11 17:13:54,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:54,184 INFO L124 PetriNetUnfolderBase]: 5/170 cut-off events. [2024-10-11 17:13:54,184 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:54,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 170 events. 5/170 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 3 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 91. Up to 14 conditions per place. [2024-10-11 17:13:54,185 INFO L140 encePairwiseOnDemand]: 231/235 looper letters, 12 selfloop transitions, 1 changer transitions 0/160 dead transitions. [2024-10-11 17:13:54,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 354 flow [2024-10-11 17:13:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2024-10-11 17:13:54,187 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7843971631205674 [2024-10-11 17:13:54,187 INFO L175 Difference]: Start difference. First operand has 166 places, 163 transitions, 334 flow. Second operand 3 states and 553 transitions. [2024-10-11 17:13:54,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 354 flow [2024-10-11 17:13:54,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:13:54,190 INFO L231 Difference]: Finished difference. Result has 163 places, 160 transitions, 326 flow [2024-10-11 17:13:54,190 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=163, PETRI_TRANSITIONS=160} [2024-10-11 17:13:54,191 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -53 predicate places. [2024-10-11 17:13:54,191 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 160 transitions, 326 flow [2024-10-11 17:13:54,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:54,192 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:13:54,192 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] [2024-10-11 17:13:54,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:13:54,192 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 86 more)] === [2024-10-11 17:13:54,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:13:54,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1239760229, now seen corresponding path program 1 times [2024-10-11 17:13:54,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:13:54,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145818106] [2024-10-11 17:13:54,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:13:54,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:13:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:13:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:13:54,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:13:54,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145818106] [2024-10-11 17:13:54,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145818106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:13:54,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:13:54,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:13:54,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576652348] [2024-10-11 17:13:54,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:13:54,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:13:54,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:13:54,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:13:54,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:13:54,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 235 [2024-10-11 17:13:54,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 160 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:54,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:13:54,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 235 [2024-10-11 17:13:54,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:13:54,320 INFO L124 PetriNetUnfolderBase]: 6/192 cut-off events. [2024-10-11 17:13:54,320 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:13:54,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 192 events. 6/192 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 104 event pairs, 3 based on Foata normal form. 1/189 useless extension candidates. Maximal degree in co-relation 148. Up to 14 conditions per place. [2024-10-11 17:13:54,321 INFO L140 encePairwiseOnDemand]: 229/235 looper letters, 0 selfloop transitions, 0 changer transitions 159/159 dead transitions. [2024-10-11 17:13:54,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 352 flow [2024-10-11 17:13:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:13:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:13:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2024-10-11 17:13:54,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7858156028368795 [2024-10-11 17:13:54,324 INFO L175 Difference]: Start difference. First operand has 163 places, 160 transitions, 326 flow. Second operand 3 states and 554 transitions. [2024-10-11 17:13:54,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 352 flow [2024-10-11 17:13:54,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 351 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:13:54,326 INFO L231 Difference]: Finished difference. Result has 161 places, 0 transitions, 0 flow [2024-10-11 17:13:54,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=161, PETRI_TRANSITIONS=0} [2024-10-11 17:13:54,327 INFO L277 CegarLoopForPetriNet]: 216 programPoint places, -55 predicate places. [2024-10-11 17:13:54,327 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 0 transitions, 0 flow [2024-10-11 17:13:54,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:13:54,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (89 of 90 remaining) [2024-10-11 17:13:54,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (88 of 90 remaining) [2024-10-11 17:13:54,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (87 of 90 remaining) [2024-10-11 17:13:54,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (86 of 90 remaining) [2024-10-11 17:13:54,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 90 remaining) [2024-10-11 17:13:54,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (84 of 90 remaining) [2024-10-11 17:13:54,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (83 of 90 remaining) [2024-10-11 17:13:54,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (82 of 90 remaining) [2024-10-11 17:13:54,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (81 of 90 remaining) [2024-10-11 17:13:54,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 90 remaining) [2024-10-11 17:13:54,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (79 of 90 remaining) [2024-10-11 17:13:54,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (78 of 90 remaining) [2024-10-11 17:13:54,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (77 of 90 remaining) [2024-10-11 17:13:54,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (76 of 90 remaining) [2024-10-11 17:13:54,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 90 remaining) [2024-10-11 17:13:54,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (74 of 90 remaining) [2024-10-11 17:13:54,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (73 of 90 remaining) [2024-10-11 17:13:54,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (72 of 90 remaining) [2024-10-11 17:13:54,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 90 remaining) [2024-10-11 17:13:54,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 90 remaining) [2024-10-11 17:13:54,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 90 remaining) [2024-10-11 17:13:54,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (68 of 90 remaining) [2024-10-11 17:13:54,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (67 of 90 remaining) [2024-10-11 17:13:54,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 90 remaining) [2024-10-11 17:13:54,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 90 remaining) [2024-10-11 17:13:54,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 90 remaining) [2024-10-11 17:13:54,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 90 remaining) [2024-10-11 17:13:54,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (62 of 90 remaining) [2024-10-11 17:13:54,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (60 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (59 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (58 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (57 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (56 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (55 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (54 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (53 of 90 remaining) [2024-10-11 17:13:54,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (52 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (50 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (49 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (48 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (47 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (46 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (45 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (44 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (43 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (42 of 90 remaining) [2024-10-11 17:13:54,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (41 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (40 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (39 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (38 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 90 remaining) [2024-10-11 17:13:54,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (31 of 90 remaining) [2024-10-11 17:13:54,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (30 of 90 remaining) [2024-10-11 17:13:54,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (29 of 90 remaining) [2024-10-11 17:13:54,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 90 remaining) [2024-10-11 17:13:54,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (27 of 90 remaining) [2024-10-11 17:13:54,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (26 of 90 remaining) [2024-10-11 17:13:54,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (25 of 90 remaining) [2024-10-11 17:13:54,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (24 of 90 remaining) [2024-10-11 17:13:54,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (23 of 90 remaining) [2024-10-11 17:13:54,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (22 of 90 remaining) [2024-10-11 17:13:54,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (21 of 90 remaining) [2024-10-11 17:13:54,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (20 of 90 remaining) [2024-10-11 17:13:54,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (19 of 90 remaining) [2024-10-11 17:13:54,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (18 of 90 remaining) [2024-10-11 17:13:54,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 90 remaining) [2024-10-11 17:13:54,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 90 remaining) [2024-10-11 17:13:54,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 90 remaining) [2024-10-11 17:13:54,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 90 remaining) [2024-10-11 17:13:54,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 90 remaining) [2024-10-11 17:13:54,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 90 remaining) [2024-10-11 17:13:54,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 90 remaining) [2024-10-11 17:13:54,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 90 remaining) [2024-10-11 17:13:54,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 90 remaining) [2024-10-11 17:13:54,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (8 of 90 remaining) [2024-10-11 17:13:54,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (7 of 90 remaining) [2024-10-11 17:13:54,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (6 of 90 remaining) [2024-10-11 17:13:54,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 90 remaining) [2024-10-11 17:13:54,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 90 remaining) [2024-10-11 17:13:54,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (3 of 90 remaining) [2024-10-11 17:13:54,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (2 of 90 remaining) [2024-10-11 17:13:54,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (1 of 90 remaining) [2024-10-11 17:13:54,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (0 of 90 remaining) [2024-10-11 17:13:54,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 17:13:54,342 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:13:54,348 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:13:54,349 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:13:54,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:13:54 BasicIcfg [2024-10-11 17:13:54,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:13:54,356 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:13:54,356 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:13:54,356 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:13:54,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:13:51" (3/4) ... [2024-10-11 17:13:54,358 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:13:54,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:13:54,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:13:54,367 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-11 17:13:54,367 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:13:54,367 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:13:54,368 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:13:54,464 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:13:54,464 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:13:54,465 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:13:54,465 INFO L158 Benchmark]: Toolchain (without parser) took 4498.36ms. Allocated memory was 172.0MB in the beginning and 253.8MB in the end (delta: 81.8MB). Free memory was 114.4MB in the beginning and 88.1MB in the end (delta: 26.3MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2024-10-11 17:13:54,465 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:13:54,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.63ms. Allocated memory is still 172.0MB. Free memory was 114.4MB in the beginning and 100.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 17:13:54,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.15ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 97.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:13:54,466 INFO L158 Benchmark]: Boogie Preprocessor took 56.63ms. Allocated memory is still 172.0MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:13:54,466 INFO L158 Benchmark]: RCFGBuilder took 1623.74ms. Allocated memory was 172.0MB in the beginning and 253.8MB in the end (delta: 81.8MB). Free memory was 95.6MB in the beginning and 202.8MB in the end (delta: -107.2MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-10-11 17:13:54,466 INFO L158 Benchmark]: TraceAbstraction took 2365.58ms. Allocated memory is still 253.8MB. Free memory was 202.8MB in the beginning and 93.4MB in the end (delta: 109.4MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. [2024-10-11 17:13:54,467 INFO L158 Benchmark]: Witness Printer took 108.82ms. Allocated memory is still 253.8MB. Free memory was 93.4MB in the beginning and 88.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:13:54,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.63ms. Allocated memory is still 172.0MB. Free memory was 114.4MB in the beginning and 100.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.15ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 97.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.63ms. Allocated memory is still 172.0MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1623.74ms. Allocated memory was 172.0MB in the beginning and 253.8MB in the end (delta: 81.8MB). Free memory was 95.6MB in the beginning and 202.8MB in the end (delta: -107.2MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2365.58ms. Allocated memory is still 253.8MB. Free memory was 202.8MB in the beginning and 93.4MB in the end (delta: 109.4MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. * Witness Printer took 108.82ms. Allocated memory is still 253.8MB. Free memory was 93.4MB in the beginning and 88.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 278 locations, 90 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: 2.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270 IncrementalHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 23 mSDtfsCounter, 270 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=438occurred 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, 0.6s InterpolantComputationTime, 872 NumberOfCodeBlocks, 872 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 860 ConstructedInterpolants, 0 QuantifiedInterpolants, 884 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 52 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:13:54,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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