./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/popl20-more-mts.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:33:52,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:33:52,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:33:52,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:33:52,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:33:52,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:33:52,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:33:52,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:33:52,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:33:52,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:33:52,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:33:52,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:33:52,350 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:33:52,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:33:52,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:33:52,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:33:52,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:33:52,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:33:52,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:33:52,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:33:52,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:33:52,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:33:52,362 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:33:52,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:33:52,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:33:52,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:33:52,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:33:52,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:33:52,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:33:52,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:33:52,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:33:52,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:33:52,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:33:52,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:33:52,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:33:52,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:33:52,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:33:52,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:33:52,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:33:52,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:33:52,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:33:52,368 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2024-10-24 15:33:52,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:33:52,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:33:52,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:33:52,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:33:52,661 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:33:52,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2024-10-24 15:33:54,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:33:54,393 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:33:54,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2024-10-24 15:33:54,404 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b483b57bc/425dd8d5fa10427da6961f1a52dc06e9/FLAGd9db7605f [2024-10-24 15:33:54,419 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b483b57bc/425dd8d5fa10427da6961f1a52dc06e9 [2024-10-24 15:33:54,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:33:54,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:33:54,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:33:54,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:33:54,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:33:54,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743053c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54, skipping insertion in model container [2024-10-24 15:33:54,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:33:54,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:33:54,736 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:33:54,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:33:54,790 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:33:54,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54 WrapperNode [2024-10-24 15:33:54,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:33:54,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:33:54,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:33:54,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:33:54,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,854 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 14, calls inlined = 20, statements flattened = 354 [2024-10-24 15:33:54,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:33:54,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:33:54,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:33:54,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:33:54,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:33:54,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:33:54,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:33:54,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:33:54,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (1/1) ... [2024-10-24 15:33:54,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:33:54,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:33:54,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:33:54,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:33:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:33:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:33:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:33:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:33:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:33:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:33:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:33:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:33:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:33:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:33:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:33:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:33:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:33:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:33:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:33:55,033 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:33:55,173 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:33:55,175 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:33:55,846 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:33:55,846 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:33:56,159 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:33:56,161 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-24 15:33:56,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:56 BoogieIcfgContainer [2024-10-24 15:33:56,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:33:56,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:33:56,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:33:56,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:33:56,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:33:54" (1/3) ... [2024-10-24 15:33:56,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a08e569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:33:56, skipping insertion in model container [2024-10-24 15:33:56,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:54" (2/3) ... [2024-10-24 15:33:56,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a08e569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:33:56, skipping insertion in model container [2024-10-24 15:33:56,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:56" (3/3) ... [2024-10-24 15:33:56,173 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2024-10-24 15:33:56,192 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:33:56,194 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-10-24 15:33:56,195 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:33:56,314 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-24 15:33:56,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 360 places, 370 transitions, 761 flow [2024-10-24 15:33:56,572 INFO L124 PetriNetUnfolderBase]: 20/367 cut-off events. [2024-10-24 15:33:56,573 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:33:56,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 367 events. 20/367 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 876 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2024-10-24 15:33:56,613 INFO L82 GeneralOperation]: Start removeDead. Operand has 360 places, 370 transitions, 761 flow [2024-10-24 15:33:56,629 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 338 places, 346 transitions, 710 flow [2024-10-24 15:33:56,646 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:33:56,655 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;@607abb6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:33:56,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-10-24 15:33:56,665 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:33:56,665 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-24 15:33:56,665 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:33:56,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:56,666 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] [2024-10-24 15:33:56,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:33:56,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:56,673 INFO L85 PathProgramCache]: Analyzing trace with hash -163906003, now seen corresponding path program 1 times [2024-10-24 15:33:56,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:56,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410330548] [2024-10-24 15:33:56,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:56,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:56,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:56,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410330548] [2024-10-24 15:33:56,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410330548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:56,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:56,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:56,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908074806] [2024-10-24 15:33:56,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:56,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:56,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:56,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:56,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:56,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 370 [2024-10-24 15:33:56,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 346 transitions, 710 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:56,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:56,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 370 [2024-10-24 15:33:56,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:57,194 INFO L124 PetriNetUnfolderBase]: 32/689 cut-off events. [2024-10-24 15:33:57,194 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-10-24 15:33:57,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 689 events. 32/689 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3093 event pairs, 12 based on Foata normal form. 30/611 useless extension candidates. Maximal degree in co-relation 567. Up to 43 conditions per place. [2024-10-24 15:33:57,209 INFO L140 encePairwiseOnDemand]: 345/370 looper letters, 14 selfloop transitions, 2 changer transitions 3/323 dead transitions. [2024-10-24 15:33:57,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 323 transitions, 696 flow [2024-10-24 15:33:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2024-10-24 15:33:57,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9216216216216216 [2024-10-24 15:33:57,232 INFO L175 Difference]: Start difference. First operand has 338 places, 346 transitions, 710 flow. Second operand 3 states and 1023 transitions. [2024-10-24 15:33:57,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 323 transitions, 696 flow [2024-10-24 15:33:57,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 323 transitions, 684 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-24 15:33:57,246 INFO L231 Difference]: Finished difference. Result has 322 places, 320 transitions, 650 flow [2024-10-24 15:33:57,249 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=322, PETRI_TRANSITIONS=320} [2024-10-24 15:33:57,257 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -16 predicate places. [2024-10-24 15:33:57,257 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 320 transitions, 650 flow [2024-10-24 15:33:57,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:57,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:57,258 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] [2024-10-24 15:33:57,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:33:57,259 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:33:57,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash 6455061, now seen corresponding path program 1 times [2024-10-24 15:33:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:57,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804761174] [2024-10-24 15:33:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:57,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:57,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:57,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804761174] [2024-10-24 15:33:57,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804761174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:57,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:57,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787152570] [2024-10-24 15:33:57,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:57,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:57,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:57,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:57,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:57,369 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 370 [2024-10-24 15:33:57,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 320 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:57,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:57,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 370 [2024-10-24 15:33:57,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:57,509 INFO L124 PetriNetUnfolderBase]: 23/635 cut-off events. [2024-10-24 15:33:57,510 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:33:57,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 635 events. 23/635 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2755 event pairs, 8 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 649. Up to 35 conditions per place. [2024-10-24 15:33:57,520 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 14 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2024-10-24 15:33:57,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 319 transitions, 680 flow [2024-10-24 15:33:57,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2024-10-24 15:33:57,525 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9018018018018018 [2024-10-24 15:33:57,525 INFO L175 Difference]: Start difference. First operand has 322 places, 320 transitions, 650 flow. Second operand 3 states and 1001 transitions. [2024-10-24 15:33:57,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 319 transitions, 680 flow [2024-10-24 15:33:57,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 319 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:57,536 INFO L231 Difference]: Finished difference. Result has 318 places, 319 transitions, 648 flow [2024-10-24 15:33:57,536 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=318, PETRI_TRANSITIONS=319} [2024-10-24 15:33:57,537 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -20 predicate places. [2024-10-24 15:33:57,537 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 319 transitions, 648 flow [2024-10-24 15:33:57,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:57,539 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:57,539 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] [2024-10-24 15:33:57,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:33:57,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:33:57,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:57,541 INFO L85 PathProgramCache]: Analyzing trace with hash -478338, now seen corresponding path program 1 times [2024-10-24 15:33:57,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:57,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789009893] [2024-10-24 15:33:57,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:57,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:57,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:57,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789009893] [2024-10-24 15:33:57,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789009893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:57,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:57,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:57,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696926341] [2024-10-24 15:33:57,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:57,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:57,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:57,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:57,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:57,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 370 [2024-10-24 15:33:57,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 319 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:57,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:57,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 370 [2024-10-24 15:33:57,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:57,783 INFO L124 PetriNetUnfolderBase]: 35/596 cut-off events. [2024-10-24 15:33:57,784 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-24 15:33:57,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 596 events. 35/596 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2514 event pairs, 16 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 625. Up to 56 conditions per place. [2024-10-24 15:33:57,794 INFO L140 encePairwiseOnDemand]: 365/370 looper letters, 15 selfloop transitions, 1 changer transitions 0/315 dead transitions. [2024-10-24 15:33:57,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 315 transitions, 672 flow [2024-10-24 15:33:57,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 998 transitions. [2024-10-24 15:33:57,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8990990990990991 [2024-10-24 15:33:57,798 INFO L175 Difference]: Start difference. First operand has 318 places, 319 transitions, 648 flow. Second operand 3 states and 998 transitions. [2024-10-24 15:33:57,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 315 transitions, 672 flow [2024-10-24 15:33:57,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 668 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:57,805 INFO L231 Difference]: Finished difference. Result has 314 places, 315 transitions, 638 flow [2024-10-24 15:33:57,806 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=314, PETRI_TRANSITIONS=315} [2024-10-24 15:33:57,807 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -24 predicate places. [2024-10-24 15:33:57,808 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 315 transitions, 638 flow [2024-10-24 15:33:57,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:57,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:57,809 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] [2024-10-24 15:33:57,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:33:57,809 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:33:57,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:57,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1722877668, now seen corresponding path program 1 times [2024-10-24 15:33:57,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:57,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441322997] [2024-10-24 15:33:57,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:57,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:58,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:58,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441322997] [2024-10-24 15:33:58,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441322997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:58,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:58,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:33:58,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786604263] [2024-10-24 15:33:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:58,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:33:58,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:33:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:33:58,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 370 [2024-10-24 15:33:58,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 315 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:58,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:58,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 370 [2024-10-24 15:33:58,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:59,302 INFO L124 PetriNetUnfolderBase]: 541/3451 cut-off events. [2024-10-24 15:33:59,302 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-10-24 15:33:59,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4336 conditions, 3451 events. 541/3451 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 28454 event pairs, 386 based on Foata normal form. 0/2889 useless extension candidates. Maximal degree in co-relation 4297. Up to 786 conditions per place. [2024-10-24 15:33:59,337 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 31 selfloop transitions, 5 changer transitions 0/314 dead transitions. [2024-10-24 15:33:59,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 314 transitions, 708 flow [2024-10-24 15:33:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:33:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:33:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1891 transitions. [2024-10-24 15:33:59,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8518018018018018 [2024-10-24 15:33:59,343 INFO L175 Difference]: Start difference. First operand has 314 places, 315 transitions, 638 flow. Second operand 6 states and 1891 transitions. [2024-10-24 15:33:59,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 314 transitions, 708 flow [2024-10-24 15:33:59,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 314 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:59,348 INFO L231 Difference]: Finished difference. Result has 317 places, 314 transitions, 645 flow [2024-10-24 15:33:59,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=645, PETRI_PLACES=317, PETRI_TRANSITIONS=314} [2024-10-24 15:33:59,350 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -21 predicate places. [2024-10-24 15:33:59,350 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 314 transitions, 645 flow [2024-10-24 15:33:59,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:59,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:59,352 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] [2024-10-24 15:33:59,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:33:59,352 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:33:59,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:59,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1916769558, now seen corresponding path program 1 times [2024-10-24 15:33:59,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:59,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116944457] [2024-10-24 15:33:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:59,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:59,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:59,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116944457] [2024-10-24 15:33:59,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116944457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:59,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:59,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:59,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144849940] [2024-10-24 15:33:59,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:59,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:59,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:59,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:59,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:59,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 370 [2024-10-24 15:33:59,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 314 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:59,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:59,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 370 [2024-10-24 15:33:59,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:59,571 INFO L124 PetriNetUnfolderBase]: 57/675 cut-off events. [2024-10-24 15:33:59,571 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-24 15:33:59,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 675 events. 57/675 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3235 event pairs, 38 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 761. Up to 81 conditions per place. [2024-10-24 15:33:59,578 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 14 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2024-10-24 15:33:59,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 313 transitions, 675 flow [2024-10-24 15:33:59,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2024-10-24 15:33:59,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9018018018018018 [2024-10-24 15:33:59,582 INFO L175 Difference]: Start difference. First operand has 317 places, 314 transitions, 645 flow. Second operand 3 states and 1001 transitions. [2024-10-24 15:33:59,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 313 transitions, 675 flow [2024-10-24 15:33:59,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 313 transitions, 665 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:33:59,587 INFO L231 Difference]: Finished difference. Result has 313 places, 313 transitions, 637 flow [2024-10-24 15:33:59,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=637, PETRI_PLACES=313, PETRI_TRANSITIONS=313} [2024-10-24 15:33:59,591 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -25 predicate places. [2024-10-24 15:33:59,591 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 313 transitions, 637 flow [2024-10-24 15:33:59,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:59,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:59,593 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] [2024-10-24 15:33:59,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:33:59,593 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:33:59,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:59,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1904622188, now seen corresponding path program 1 times [2024-10-24 15:33:59,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:59,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879372268] [2024-10-24 15:33:59,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:59,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:59,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:59,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879372268] [2024-10-24 15:33:59,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879372268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:59,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:59,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:59,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560849778] [2024-10-24 15:33:59,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:59,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:59,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:59,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:59,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:59,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 370 [2024-10-24 15:33:59,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 313 transitions, 637 flow. Second operand has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:59,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:59,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 370 [2024-10-24 15:33:59,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:59,766 INFO L124 PetriNetUnfolderBase]: 52/649 cut-off events. [2024-10-24 15:33:59,767 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-10-24 15:33:59,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 649 events. 52/649 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2864 event pairs, 28 based on Foata normal form. 0/569 useless extension candidates. Maximal degree in co-relation 694. Up to 73 conditions per place. [2024-10-24 15:33:59,778 INFO L140 encePairwiseOnDemand]: 365/370 looper letters, 15 selfloop transitions, 1 changer transitions 0/309 dead transitions. [2024-10-24 15:33:59,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 309 transitions, 661 flow [2024-10-24 15:33:59,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 998 transitions. [2024-10-24 15:33:59,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8990990990990991 [2024-10-24 15:33:59,782 INFO L175 Difference]: Start difference. First operand has 313 places, 313 transitions, 637 flow. Second operand 3 states and 998 transitions. [2024-10-24 15:33:59,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 309 transitions, 661 flow [2024-10-24 15:33:59,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 309 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:59,788 INFO L231 Difference]: Finished difference. Result has 309 places, 309 transitions, 627 flow [2024-10-24 15:33:59,789 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=627, PETRI_PLACES=309, PETRI_TRANSITIONS=309} [2024-10-24 15:33:59,789 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -29 predicate places. [2024-10-24 15:33:59,790 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 309 transitions, 627 flow [2024-10-24 15:33:59,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:59,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:59,791 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] [2024-10-24 15:33:59,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:33:59,791 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:33:59,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:59,791 INFO L85 PathProgramCache]: Analyzing trace with hash 323218000, now seen corresponding path program 1 times [2024-10-24 15:33:59,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:59,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274008585] [2024-10-24 15:33:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:59,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:59,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274008585] [2024-10-24 15:33:59,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274008585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:59,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:59,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:59,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587398459] [2024-10-24 15:33:59,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:59,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:59,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:59,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:59,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:59,877 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 370 [2024-10-24 15:33:59,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 309 transitions, 627 flow. Second operand has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:59,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:59,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 370 [2024-10-24 15:33:59,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:59,991 INFO L124 PetriNetUnfolderBase]: 30/587 cut-off events. [2024-10-24 15:33:59,991 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:33:59,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 587 events. 30/587 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2273 event pairs, 5 based on Foata normal form. 0/525 useless extension candidates. Maximal degree in co-relation 614. Up to 30 conditions per place. [2024-10-24 15:33:59,998 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 14 selfloop transitions, 3 changer transitions 0/309 dead transitions. [2024-10-24 15:33:59,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 309 transitions, 663 flow [2024-10-24 15:33:59,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1007 transitions. [2024-10-24 15:34:00,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9072072072072072 [2024-10-24 15:34:00,001 INFO L175 Difference]: Start difference. First operand has 309 places, 309 transitions, 627 flow. Second operand 3 states and 1007 transitions. [2024-10-24 15:34:00,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 309 transitions, 663 flow [2024-10-24 15:34:00,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 309 transitions, 662 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:00,007 INFO L231 Difference]: Finished difference. Result has 307 places, 306 transitions, 626 flow [2024-10-24 15:34:00,007 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=307, PETRI_TRANSITIONS=306} [2024-10-24 15:34:00,008 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -31 predicate places. [2024-10-24 15:34:00,009 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 306 transitions, 626 flow [2024-10-24 15:34:00,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:00,010 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:00,010 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] [2024-10-24 15:34:00,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:34:00,010 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:00,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:00,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1374889682, now seen corresponding path program 1 times [2024-10-24 15:34:00,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:00,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823425987] [2024-10-24 15:34:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:00,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:00,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:00,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823425987] [2024-10-24 15:34:00,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823425987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:00,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:00,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:00,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981782381] [2024-10-24 15:34:00,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:00,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:00,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:00,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:00,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:00,077 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 370 [2024-10-24 15:34:00,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 306 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:00,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:00,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 370 [2024-10-24 15:34:00,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:00,405 INFO L124 PetriNetUnfolderBase]: 236/2175 cut-off events. [2024-10-24 15:34:00,405 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-24 15:34:00,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2552 conditions, 2175 events. 236/2175 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15599 event pairs, 61 based on Foata normal form. 0/1916 useless extension candidates. Maximal degree in co-relation 2513. Up to 305 conditions per place. [2024-10-24 15:34:00,425 INFO L140 encePairwiseOnDemand]: 363/370 looper letters, 21 selfloop transitions, 3 changer transitions 0/310 dead transitions. [2024-10-24 15:34:00,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 310 transitions, 687 flow [2024-10-24 15:34:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:00,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1006 transitions. [2024-10-24 15:34:00,429 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9063063063063063 [2024-10-24 15:34:00,429 INFO L175 Difference]: Start difference. First operand has 307 places, 306 transitions, 626 flow. Second operand 3 states and 1006 transitions. [2024-10-24 15:34:00,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 310 transitions, 687 flow [2024-10-24 15:34:00,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 310 transitions, 681 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:00,436 INFO L231 Difference]: Finished difference. Result has 304 places, 305 transitions, 633 flow [2024-10-24 15:34:00,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=633, PETRI_PLACES=304, PETRI_TRANSITIONS=305} [2024-10-24 15:34:00,437 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -34 predicate places. [2024-10-24 15:34:00,437 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 305 transitions, 633 flow [2024-10-24 15:34:00,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:00,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:00,439 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] [2024-10-24 15:34:00,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:34:00,439 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:00,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash -88337490, now seen corresponding path program 1 times [2024-10-24 15:34:00,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:00,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514113202] [2024-10-24 15:34:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:00,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:00,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:00,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514113202] [2024-10-24 15:34:00,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514113202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:00,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:00,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:00,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271816036] [2024-10-24 15:34:00,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:00,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:00,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:00,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:00,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:00,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 370 [2024-10-24 15:34:00,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 305 transitions, 633 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:00,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:00,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 370 [2024-10-24 15:34:00,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:00,688 INFO L124 PetriNetUnfolderBase]: 120/903 cut-off events. [2024-10-24 15:34:00,689 INFO L125 PetriNetUnfolderBase]: For 80/88 co-relation queries the response was YES. [2024-10-24 15:34:00,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 903 events. 120/903 cut-off events. For 80/88 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4925 event pairs, 7 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 1130. Up to 116 conditions per place. [2024-10-24 15:34:00,700 INFO L140 encePairwiseOnDemand]: 363/370 looper letters, 18 selfloop transitions, 3 changer transitions 0/305 dead transitions. [2024-10-24 15:34:00,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 305 transitions, 682 flow [2024-10-24 15:34:00,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:00,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:00,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2024-10-24 15:34:00,704 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9018018018018018 [2024-10-24 15:34:00,704 INFO L175 Difference]: Start difference. First operand has 304 places, 305 transitions, 633 flow. Second operand 3 states and 1001 transitions. [2024-10-24 15:34:00,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 305 transitions, 682 flow [2024-10-24 15:34:00,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 305 transitions, 682 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:00,710 INFO L231 Difference]: Finished difference. Result has 302 places, 301 transitions, 631 flow [2024-10-24 15:34:00,711 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=302, PETRI_TRANSITIONS=301} [2024-10-24 15:34:00,712 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -36 predicate places. [2024-10-24 15:34:00,712 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 301 transitions, 631 flow [2024-10-24 15:34:00,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:00,713 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:00,714 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] [2024-10-24 15:34:00,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:34:00,714 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:00,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:00,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1561843702, now seen corresponding path program 1 times [2024-10-24 15:34:00,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:00,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285412247] [2024-10-24 15:34:00,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:00,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:00,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:00,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285412247] [2024-10-24 15:34:00,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285412247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:00,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:00,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 15:34:00,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199468478] [2024-10-24 15:34:00,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:00,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 15:34:00,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:00,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 15:34:00,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 15:34:01,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 370 [2024-10-24 15:34:01,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 301 transitions, 631 flow. Second operand has 7 states, 7 states have (on average 325.85714285714283) internal successors, (2281), 7 states have internal predecessors, (2281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:01,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:01,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 370 [2024-10-24 15:34:01,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:01,416 INFO L124 PetriNetUnfolderBase]: 115/1253 cut-off events. [2024-10-24 15:34:01,417 INFO L125 PetriNetUnfolderBase]: For 68/108 co-relation queries the response was YES. [2024-10-24 15:34:01,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1569 conditions, 1253 events. 115/1253 cut-off events. For 68/108 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7421 event pairs, 30 based on Foata normal form. 6/1141 useless extension candidates. Maximal degree in co-relation 1527. Up to 106 conditions per place. [2024-10-24 15:34:01,436 INFO L140 encePairwiseOnDemand]: 357/370 looper letters, 28 selfloop transitions, 14 changer transitions 0/320 dead transitions. [2024-10-24 15:34:01,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 320 transitions, 771 flow [2024-10-24 15:34:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 15:34:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-24 15:34:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3280 transitions. [2024-10-24 15:34:01,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8864864864864865 [2024-10-24 15:34:01,444 INFO L175 Difference]: Start difference. First operand has 302 places, 301 transitions, 631 flow. Second operand 10 states and 3280 transitions. [2024-10-24 15:34:01,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 320 transitions, 771 flow [2024-10-24 15:34:01,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 320 transitions, 765 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:01,450 INFO L231 Difference]: Finished difference. Result has 313 places, 308 transitions, 691 flow [2024-10-24 15:34:01,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=691, PETRI_PLACES=313, PETRI_TRANSITIONS=308} [2024-10-24 15:34:01,451 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -25 predicate places. [2024-10-24 15:34:01,452 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 308 transitions, 691 flow [2024-10-24 15:34:01,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 325.85714285714283) internal successors, (2281), 7 states have internal predecessors, (2281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:01,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:01,453 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] [2024-10-24 15:34:01,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:34:01,454 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:01,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:01,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1054403412, now seen corresponding path program 1 times [2024-10-24 15:34:01,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:01,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926338283] [2024-10-24 15:34:01,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:01,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:01,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:01,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926338283] [2024-10-24 15:34:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926338283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:01,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:01,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:34:01,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228102125] [2024-10-24 15:34:01,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:01,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 15:34:01,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:01,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 15:34:01,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 15:34:01,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 370 [2024-10-24 15:34:01,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 308 transitions, 691 flow. Second operand has 5 states, 5 states have (on average 328.0) internal successors, (1640), 5 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:01,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:01,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 370 [2024-10-24 15:34:01,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:01,939 INFO L124 PetriNetUnfolderBase]: 222/1940 cut-off events. [2024-10-24 15:34:01,940 INFO L125 PetriNetUnfolderBase]: For 191/200 co-relation queries the response was YES. [2024-10-24 15:34:01,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2549 conditions, 1940 events. 222/1940 cut-off events. For 191/200 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 13203 event pairs, 75 based on Foata normal form. 12/1773 useless extension candidates. Maximal degree in co-relation 2499. Up to 218 conditions per place. [2024-10-24 15:34:01,967 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 30 selfloop transitions, 5 changer transitions 0/323 dead transitions. [2024-10-24 15:34:01,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 323 transitions, 809 flow [2024-10-24 15:34:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:34:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 15:34:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1663 transitions. [2024-10-24 15:34:01,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.898918918918919 [2024-10-24 15:34:01,971 INFO L175 Difference]: Start difference. First operand has 313 places, 308 transitions, 691 flow. Second operand 5 states and 1663 transitions. [2024-10-24 15:34:01,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 323 transitions, 809 flow [2024-10-24 15:34:01,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 323 transitions, 805 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:01,977 INFO L231 Difference]: Finished difference. Result has 318 places, 310 transitions, 712 flow [2024-10-24 15:34:01,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=712, PETRI_PLACES=318, PETRI_TRANSITIONS=310} [2024-10-24 15:34:01,979 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -20 predicate places. [2024-10-24 15:34:01,979 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 310 transitions, 712 flow [2024-10-24 15:34:01,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 328.0) internal successors, (1640), 5 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:01,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:01,980 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:01,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:34:01,981 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:01,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash 88694419, now seen corresponding path program 1 times [2024-10-24 15:34:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:01,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944155149] [2024-10-24 15:34:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:02,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:02,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944155149] [2024-10-24 15:34:02,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944155149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:02,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:02,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:34:02,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236284950] [2024-10-24 15:34:02,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:02,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:34:02,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:02,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:34:02,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:34:02,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 370 [2024-10-24 15:34:02,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 310 transitions, 712 flow. Second operand has 6 states, 6 states have (on average 319.6666666666667) internal successors, (1918), 6 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:02,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:02,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 370 [2024-10-24 15:34:02,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:03,004 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1297] L64-->L67: Formula: (let ((.cse13 (* |v_thread3Thread1of1ForFork1_~i~2#1_15| 4))) (let ((.cse9 (+ .cse13 v_~A~0.offset_222))) (let ((.cse10 (select (select |v_#memory_int_124| v_~A~0.base_222) .cse9))) (let ((.cse3 (+ v_~mts3~0_159 .cse10))) (let ((.cse12 (<= .cse3 2147483647)) (.cse6 (select |v_#race_453| v_~A~0.base_222)) (.cse8 (+ .cse13 v_~A~0.offset_222 1)) (.cse7 (+ .cse13 v_~A~0.offset_222 2)) (.cse1 (+ .cse13 v_~A~0.offset_222 3)) (.cse11 (<= 0 (+ v_~mts3~0_159 2147483648 .cse10))) (.cse0 (select |v_#race_441| v_~A~0.base_222))) (and (= (select .cse0 .cse1) 0) (let ((.cse2 (= |v_#race~A~0_277| 0)) (.cse4 (= |v_#race_453| (store |v_#race_442| v_~A~0.base_222 (store (store (store (store (select |v_#race_442| v_~A~0.base_222) .cse9 0) .cse8 0) .cse7 0) .cse1 0)))) (.cse5 (= |v_#race~mts3~0_254| 0))) (or (and .cse2 (= v_~mts3~0_158 0) (< .cse3 0) .cse4 (= |v_thread3Thread1of1ForFork1_#t~mem15#1_13| |v_thread3_#t~mem15#1_180|) .cse5) (and (= (select .cse6 .cse7) 0) (<= 0 .cse3) .cse2 (= (select .cse6 .cse8) 0) .cse4 (= (select .cse6 .cse1) 0) (= (+ |v_thread3_#t~mem15#1_180| v_~mts3~0_159) v_~mts3~0_158) .cse5 (= (select .cse6 .cse9) 0) (= |v_thread3_#t~mem15#1_180| .cse10)))) (<= 0 (+ v_~sum~0_93 2147483648)) (= (select .cse0 .cse8) 0) (not (= (ite (or (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_#res#1_17| 2147483648)) (<= v_~sum~0_94 |v_thread3Thread1of1ForFork1_plus_#res#1_17|)) 1 0) 0)) .cse11 (<= v_~sum~0_93 2147483647) (= v_~sum~0_93 |v_thread3Thread1of1ForFork1_plus_#res#1_17|) (not (= (ite (or (<= .cse10 0) .cse12) 1 0) 0)) (= (select .cse0 .cse7) 0) .cse12 (= (+ v_~sum~0_94 .cse10) |v_thread3Thread1of1ForFork1_plus_#res#1_17|) (= (store |v_#race_453| v_~A~0.base_222 (store (store (store (store .cse6 .cse9 0) .cse8 0) .cse7 0) .cse1 0)) |v_#race_441|) (not (= (ite (or (<= |v_thread3Thread1of1ForFork1_plus_#res#1_17| 2147483647) (<= |v_thread3Thread1of1ForFork1_plus_#res#1_17| v_~sum~0_94)) 1 0) 0)) (not (= (ite (or .cse11 (<= 0 .cse10)) 1 0) 0)) (= (select .cse0 .cse9) 0) (= |v_#race~A~0_267| 0))))))) InVars {~sum~0=v_~sum~0_94, #race=|v_#race_442|, ~A~0.base=v_~A~0.base_222, ~mts3~0=v_~mts3~0_159, ~A~0.offset=v_~A~0.offset_222, #memory_int=|v_#memory_int_124|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_15|, thread3Thread1of1ForFork1_#t~mem15#1=|v_thread3Thread1of1ForFork1_#t~mem15#1_13|} OutVars{~A~0.base=v_~A~0.base_222, thread3Thread1of1ForFork1_plus_#in~a#1=|v_thread3Thread1of1ForFork1_plus_#in~a#1_17|, thread3Thread1of1ForFork1_#t~ite16#1=|v_thread3Thread1of1ForFork1_#t~ite16#1_11|, thread3Thread1of1ForFork1_#t~ret14#1=|v_thread3Thread1of1ForFork1_#t~ret14#1_17|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_15|, ~sum~0=v_~sum~0_93, #race~mts3~0=|v_#race~mts3~0_243|, ~mts3~0=v_~mts3~0_158, thread3Thread1of1ForFork1_#t~nondet17#1=|v_thread3Thread1of1ForFork1_#t~nondet17#1_11|, thread3Thread1of1ForFork1_plus_#in~b#1=|v_thread3Thread1of1ForFork1_plus_#in~b#1_17|, #race~sum~0=|v_#race~sum~0_123|, #race=|v_#race_441|, thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_17|, thread3Thread1of1ForFork1_plus_#res#1=|v_thread3Thread1of1ForFork1_plus_#res#1_17|, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_17|, thread3Thread1of1ForFork1_#t~mem13#1=|v_thread3Thread1of1ForFork1_#t~mem13#1_19|, thread3Thread1of1ForFork1_plus_~a#1=|v_thread3Thread1of1ForFork1_plus_~a#1_17|, ~A~0.offset=v_~A~0.offset_222, thread3Thread1of1ForFork1_#t~ret19#1=|v_thread3Thread1of1ForFork1_#t~ret19#1_3|, #memory_int=|v_#memory_int_124|, thread3Thread1of1ForFork1_#t~mem18#1=|v_thread3Thread1of1ForFork1_#t~mem18#1_5|, thread3Thread1of1ForFork1_plus_~b#1=|v_thread3Thread1of1ForFork1_plus_~b#1_17|, thread3Thread1of1ForFork1_#t~nondet20#1=|v_thread3Thread1of1ForFork1_#t~nondet20#1_3|, #race~A~0=|v_#race~A~0_267|} AuxVars[|v_thread3_#t~mem15#1_180|, |v_#race_453|, |v_#race~mts3~0_254|, |v_#race~A~0_277|] AssignedVars[#race, thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork1_plus_#res#1, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork1_#t~mem13#1, thread3Thread1of1ForFork1_plus_#in~a#1, thread3Thread1of1ForFork1_#t~ite16#1, thread3Thread1of1ForFork1_#t~ret14#1, thread3Thread1of1ForFork1_#t~mem15#1, ~sum~0, #race~mts3~0, ~mts3~0, thread3Thread1of1ForFork1_#t~nondet17#1, thread3Thread1of1ForFork1_plus_~a#1, thread3Thread1of1ForFork1_#t~ret19#1, thread3Thread1of1ForFork1_plus_#in~b#1, thread3Thread1of1ForFork1_#t~mem18#1, #race~sum~0, thread3Thread1of1ForFork1_plus_~b#1, thread3Thread1of1ForFork1_#t~nondet20#1, #race~A~0][178], [Black: 418#(<= (+ ~M~0 1) 0), 83#L59true, Black: 419#(and (<= (+ ~M~0 1) 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 387#true, 383#(= |#race~M~0| 0), 422#true, 208#L48-3true, 194#L67true, 389#(= |#race~A~0| 0), 206#L86-4true, Black: 406#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 371#(= |#race~N~0| 0), 415#true, Black: 400#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 404#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 399#(<= ~N~0 0)]) [2024-10-24 15:34:03,004 INFO L294 olderBase$Statistics]: this new event has 186 ancestors and is cut-off event [2024-10-24 15:34:03,004 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2024-10-24 15:34:03,004 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2024-10-24 15:34:03,005 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2024-10-24 15:34:03,070 INFO L124 PetriNetUnfolderBase]: 406/2433 cut-off events. [2024-10-24 15:34:03,070 INFO L125 PetriNetUnfolderBase]: For 450/464 co-relation queries the response was YES. [2024-10-24 15:34:03,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3517 conditions, 2433 events. 406/2433 cut-off events. For 450/464 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 18120 event pairs, 71 based on Foata normal form. 0/2208 useless extension candidates. Maximal degree in co-relation 3468. Up to 281 conditions per place. [2024-10-24 15:34:03,101 INFO L140 encePairwiseOnDemand]: 363/370 looper letters, 36 selfloop transitions, 5 changer transitions 0/320 dead transitions. [2024-10-24 15:34:03,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 320 transitions, 830 flow [2024-10-24 15:34:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:34:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:34:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1948 transitions. [2024-10-24 15:34:03,106 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8774774774774775 [2024-10-24 15:34:03,106 INFO L175 Difference]: Start difference. First operand has 318 places, 310 transitions, 712 flow. Second operand 6 states and 1948 transitions. [2024-10-24 15:34:03,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 320 transitions, 830 flow [2024-10-24 15:34:03,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 320 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:03,113 INFO L231 Difference]: Finished difference. Result has 319 places, 308 transitions, 713 flow [2024-10-24 15:34:03,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=713, PETRI_PLACES=319, PETRI_TRANSITIONS=308} [2024-10-24 15:34:03,114 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -19 predicate places. [2024-10-24 15:34:03,114 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 308 transitions, 713 flow [2024-10-24 15:34:03,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 319.6666666666667) internal successors, (1918), 6 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:03,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:03,116 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:03,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:34:03,116 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:03,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:03,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1262275170, now seen corresponding path program 1 times [2024-10-24 15:34:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:03,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103417523] [2024-10-24 15:34:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:03,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 15:34:03,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:03,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103417523] [2024-10-24 15:34:03,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103417523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:03,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:03,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:34:03,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373604855] [2024-10-24 15:34:03,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:03,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:34:03,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:03,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:34:03,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:34:03,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 370 [2024-10-24 15:34:03,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 308 transitions, 713 flow. Second operand has 6 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:03,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:03,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 370 [2024-10-24 15:34:03,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:04,267 INFO L124 PetriNetUnfolderBase]: 251/1801 cut-off events. [2024-10-24 15:34:04,267 INFO L125 PetriNetUnfolderBase]: For 239/319 co-relation queries the response was YES. [2024-10-24 15:34:04,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2666 conditions, 1801 events. 251/1801 cut-off events. For 239/319 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12920 event pairs, 50 based on Foata normal form. 4/1680 useless extension candidates. Maximal degree in co-relation 2617. Up to 221 conditions per place. [2024-10-24 15:34:04,290 INFO L140 encePairwiseOnDemand]: 363/370 looper letters, 36 selfloop transitions, 5 changer transitions 0/318 dead transitions. [2024-10-24 15:34:04,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 318 transitions, 831 flow [2024-10-24 15:34:04,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:34:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:34:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1948 transitions. [2024-10-24 15:34:04,295 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8774774774774775 [2024-10-24 15:34:04,296 INFO L175 Difference]: Start difference. First operand has 319 places, 308 transitions, 713 flow. Second operand 6 states and 1948 transitions. [2024-10-24 15:34:04,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 318 transitions, 831 flow [2024-10-24 15:34:04,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 318 transitions, 821 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:34:04,302 INFO L231 Difference]: Finished difference. Result has 317 places, 306 transitions, 709 flow [2024-10-24 15:34:04,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=709, PETRI_PLACES=317, PETRI_TRANSITIONS=306} [2024-10-24 15:34:04,303 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -21 predicate places. [2024-10-24 15:34:04,303 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 306 transitions, 709 flow [2024-10-24 15:34:04,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:04,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:04,305 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:04,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:34:04,305 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:04,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:04,305 INFO L85 PathProgramCache]: Analyzing trace with hash 17984448, now seen corresponding path program 1 times [2024-10-24 15:34:04,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:04,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74053849] [2024-10-24 15:34:04,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:04,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:04,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:04,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74053849] [2024-10-24 15:34:04,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74053849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:04,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:04,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:04,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601691219] [2024-10-24 15:34:04,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:04,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:04,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:04,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:04,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:04,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 370 [2024-10-24 15:34:04,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 306 transitions, 709 flow. Second operand has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:04,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:04,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 370 [2024-10-24 15:34:04,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:04,529 INFO L124 PetriNetUnfolderBase]: 73/1183 cut-off events. [2024-10-24 15:34:04,529 INFO L125 PetriNetUnfolderBase]: For 73/95 co-relation queries the response was YES. [2024-10-24 15:34:04,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1507 conditions, 1183 events. 73/1183 cut-off events. For 73/95 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6780 event pairs, 11 based on Foata normal form. 8/1126 useless extension candidates. Maximal degree in co-relation 1459. Up to 99 conditions per place. [2024-10-24 15:34:04,544 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 9 selfloop transitions, 1 changer transitions 2/304 dead transitions. [2024-10-24 15:34:04,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 304 transitions, 727 flow [2024-10-24 15:34:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2024-10-24 15:34:04,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9108108108108108 [2024-10-24 15:34:04,547 INFO L175 Difference]: Start difference. First operand has 317 places, 306 transitions, 709 flow. Second operand 3 states and 1011 transitions. [2024-10-24 15:34:04,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 304 transitions, 727 flow [2024-10-24 15:34:04,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 304 transitions, 717 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:34:04,554 INFO L231 Difference]: Finished difference. Result has 312 places, 302 transitions, 693 flow [2024-10-24 15:34:04,554 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=312, PETRI_TRANSITIONS=302} [2024-10-24 15:34:04,555 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -26 predicate places. [2024-10-24 15:34:04,556 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 302 transitions, 693 flow [2024-10-24 15:34:04,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:04,557 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:04,558 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:04,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:34:04,558 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:04,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:04,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1772614929, now seen corresponding path program 1 times [2024-10-24 15:34:04,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:04,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562937566] [2024-10-24 15:34:04,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:04,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:04,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:04,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562937566] [2024-10-24 15:34:04,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562937566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:04,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:04,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:04,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791892018] [2024-10-24 15:34:04,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:04,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:04,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:04,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:04,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:04,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 370 [2024-10-24 15:34:04,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 302 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:04,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:04,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 370 [2024-10-24 15:34:04,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:04,774 INFO L124 PetriNetUnfolderBase]: 73/1151 cut-off events. [2024-10-24 15:34:04,774 INFO L125 PetriNetUnfolderBase]: For 73/95 co-relation queries the response was YES. [2024-10-24 15:34:04,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1453 conditions, 1151 events. 73/1151 cut-off events. For 73/95 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6456 event pairs, 11 based on Foata normal form. 8/1110 useless extension candidates. Maximal degree in co-relation 1405. Up to 99 conditions per place. [2024-10-24 15:34:04,787 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 6 selfloop transitions, 0 changer transitions 14/300 dead transitions. [2024-10-24 15:34:04,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 300 transitions, 711 flow [2024-10-24 15:34:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:04,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2024-10-24 15:34:04,790 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9108108108108108 [2024-10-24 15:34:04,790 INFO L175 Difference]: Start difference. First operand has 312 places, 302 transitions, 693 flow. Second operand 3 states and 1011 transitions. [2024-10-24 15:34:04,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 300 transitions, 711 flow [2024-10-24 15:34:04,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 300 transitions, 710 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:04,796 INFO L231 Difference]: Finished difference. Result has 309 places, 286 transitions, 657 flow [2024-10-24 15:34:04,797 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=657, PETRI_PLACES=309, PETRI_TRANSITIONS=286} [2024-10-24 15:34:04,798 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -29 predicate places. [2024-10-24 15:34:04,798 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 286 transitions, 657 flow [2024-10-24 15:34:04,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:04,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:04,799 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:04,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:34:04,799 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:04,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:04,799 INFO L85 PathProgramCache]: Analyzing trace with hash 215320777, now seen corresponding path program 1 times [2024-10-24 15:34:04,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:04,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016173043] [2024-10-24 15:34:04,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:04,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:04,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016173043] [2024-10-24 15:34:04,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016173043] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:04,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:04,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:04,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950928327] [2024-10-24 15:34:04,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:04,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:04,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:04,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:04,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:04,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 370 [2024-10-24 15:34:04,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 286 transitions, 657 flow. Second operand has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:04,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:04,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 370 [2024-10-24 15:34:04,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:05,107 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1297] L64-->L67: Formula: (let ((.cse13 (* |v_thread3Thread1of1ForFork1_~i~2#1_15| 4))) (let ((.cse9 (+ .cse13 v_~A~0.offset_222))) (let ((.cse10 (select (select |v_#memory_int_124| v_~A~0.base_222) .cse9))) (let ((.cse3 (+ v_~mts3~0_159 .cse10))) (let ((.cse12 (<= .cse3 2147483647)) (.cse6 (select |v_#race_453| v_~A~0.base_222)) (.cse8 (+ .cse13 v_~A~0.offset_222 1)) (.cse7 (+ .cse13 v_~A~0.offset_222 2)) (.cse1 (+ .cse13 v_~A~0.offset_222 3)) (.cse11 (<= 0 (+ v_~mts3~0_159 2147483648 .cse10))) (.cse0 (select |v_#race_441| v_~A~0.base_222))) (and (= (select .cse0 .cse1) 0) (let ((.cse2 (= |v_#race~A~0_277| 0)) (.cse4 (= |v_#race_453| (store |v_#race_442| v_~A~0.base_222 (store (store (store (store (select |v_#race_442| v_~A~0.base_222) .cse9 0) .cse8 0) .cse7 0) .cse1 0)))) (.cse5 (= |v_#race~mts3~0_254| 0))) (or (and .cse2 (= v_~mts3~0_158 0) (< .cse3 0) .cse4 (= |v_thread3Thread1of1ForFork1_#t~mem15#1_13| |v_thread3_#t~mem15#1_180|) .cse5) (and (= (select .cse6 .cse7) 0) (<= 0 .cse3) .cse2 (= (select .cse6 .cse8) 0) .cse4 (= (select .cse6 .cse1) 0) (= (+ |v_thread3_#t~mem15#1_180| v_~mts3~0_159) v_~mts3~0_158) .cse5 (= (select .cse6 .cse9) 0) (= |v_thread3_#t~mem15#1_180| .cse10)))) (<= 0 (+ v_~sum~0_93 2147483648)) (= (select .cse0 .cse8) 0) (not (= (ite (or (<= 0 (+ |v_thread3Thread1of1ForFork1_plus_#res#1_17| 2147483648)) (<= v_~sum~0_94 |v_thread3Thread1of1ForFork1_plus_#res#1_17|)) 1 0) 0)) .cse11 (<= v_~sum~0_93 2147483647) (= v_~sum~0_93 |v_thread3Thread1of1ForFork1_plus_#res#1_17|) (not (= (ite (or (<= .cse10 0) .cse12) 1 0) 0)) (= (select .cse0 .cse7) 0) .cse12 (= (+ v_~sum~0_94 .cse10) |v_thread3Thread1of1ForFork1_plus_#res#1_17|) (= (store |v_#race_453| v_~A~0.base_222 (store (store (store (store .cse6 .cse9 0) .cse8 0) .cse7 0) .cse1 0)) |v_#race_441|) (not (= (ite (or (<= |v_thread3Thread1of1ForFork1_plus_#res#1_17| 2147483647) (<= |v_thread3Thread1of1ForFork1_plus_#res#1_17| v_~sum~0_94)) 1 0) 0)) (not (= (ite (or .cse11 (<= 0 .cse10)) 1 0) 0)) (= (select .cse0 .cse9) 0) (= |v_#race~A~0_267| 0))))))) InVars {~sum~0=v_~sum~0_94, #race=|v_#race_442|, ~A~0.base=v_~A~0.base_222, ~mts3~0=v_~mts3~0_159, ~A~0.offset=v_~A~0.offset_222, #memory_int=|v_#memory_int_124|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_15|, thread3Thread1of1ForFork1_#t~mem15#1=|v_thread3Thread1of1ForFork1_#t~mem15#1_13|} OutVars{~A~0.base=v_~A~0.base_222, thread3Thread1of1ForFork1_plus_#in~a#1=|v_thread3Thread1of1ForFork1_plus_#in~a#1_17|, thread3Thread1of1ForFork1_#t~ite16#1=|v_thread3Thread1of1ForFork1_#t~ite16#1_11|, thread3Thread1of1ForFork1_#t~ret14#1=|v_thread3Thread1of1ForFork1_#t~ret14#1_17|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_15|, ~sum~0=v_~sum~0_93, #race~mts3~0=|v_#race~mts3~0_243|, ~mts3~0=v_~mts3~0_158, thread3Thread1of1ForFork1_#t~nondet17#1=|v_thread3Thread1of1ForFork1_#t~nondet17#1_11|, thread3Thread1of1ForFork1_plus_#in~b#1=|v_thread3Thread1of1ForFork1_plus_#in~b#1_17|, #race~sum~0=|v_#race~sum~0_123|, #race=|v_#race_441|, thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_17|, thread3Thread1of1ForFork1_plus_#res#1=|v_thread3Thread1of1ForFork1_plus_#res#1_17|, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1_17|, thread3Thread1of1ForFork1_#t~mem13#1=|v_thread3Thread1of1ForFork1_#t~mem13#1_19|, thread3Thread1of1ForFork1_plus_~a#1=|v_thread3Thread1of1ForFork1_plus_~a#1_17|, ~A~0.offset=v_~A~0.offset_222, thread3Thread1of1ForFork1_#t~ret19#1=|v_thread3Thread1of1ForFork1_#t~ret19#1_3|, #memory_int=|v_#memory_int_124|, thread3Thread1of1ForFork1_#t~mem18#1=|v_thread3Thread1of1ForFork1_#t~mem18#1_5|, thread3Thread1of1ForFork1_plus_~b#1=|v_thread3Thread1of1ForFork1_plus_~b#1_17|, thread3Thread1of1ForFork1_#t~nondet20#1=|v_thread3Thread1of1ForFork1_#t~nondet20#1_3|, #race~A~0=|v_#race~A~0_267|} AuxVars[|v_thread3_#t~mem15#1_180|, |v_#race_453|, |v_#race~mts3~0_254|, |v_#race~A~0_277|] AssignedVars[#race, thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork1_plus_#res#1, thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork1_#t~mem13#1, thread3Thread1of1ForFork1_plus_#in~a#1, thread3Thread1of1ForFork1_#t~ite16#1, thread3Thread1of1ForFork1_#t~ret14#1, thread3Thread1of1ForFork1_#t~mem15#1, ~sum~0, #race~mts3~0, ~mts3~0, thread3Thread1of1ForFork1_#t~nondet17#1, thread3Thread1of1ForFork1_plus_~a#1, thread3Thread1of1ForFork1_#t~ret19#1, thread3Thread1of1ForFork1_plus_#in~b#1, thread3Thread1of1ForFork1_#t~mem18#1, #race~sum~0, thread3Thread1of1ForFork1_plus_~b#1, thread3Thread1of1ForFork1_#t~nondet20#1, #race~A~0][175], [437#true, Black: 418#(<= (+ ~M~0 1) 0), Black: 419#(and (<= (+ ~M~0 1) 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 387#true, 383#(= |#race~M~0| 0), 440#true, 208#L48-3true, 194#L67true, 389#(= |#race~A~0| 0), 206#L86-4true, 371#(= |#race~N~0| 0), Black: 406#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 400#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 404#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 399#(<= ~N~0 0), 270#L56-1true]) [2024-10-24 15:34:05,107 INFO L294 olderBase$Statistics]: this new event has 186 ancestors and is cut-off event [2024-10-24 15:34:05,108 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2024-10-24 15:34:05,108 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2024-10-24 15:34:05,108 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2024-10-24 15:34:05,196 INFO L124 PetriNetUnfolderBase]: 205/1866 cut-off events. [2024-10-24 15:34:05,196 INFO L125 PetriNetUnfolderBase]: For 169/174 co-relation queries the response was YES. [2024-10-24 15:34:05,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2415 conditions, 1866 events. 205/1866 cut-off events. For 169/174 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12093 event pairs, 54 based on Foata normal form. 0/1744 useless extension candidates. Maximal degree in co-relation 2405. Up to 200 conditions per place. [2024-10-24 15:34:05,210 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 12 selfloop transitions, 2 changer transitions 7/288 dead transitions. [2024-10-24 15:34:05,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 288 transitions, 695 flow [2024-10-24 15:34:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:05,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2024-10-24 15:34:05,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9054054054054054 [2024-10-24 15:34:05,214 INFO L175 Difference]: Start difference. First operand has 309 places, 286 transitions, 657 flow. Second operand 3 states and 1005 transitions. [2024-10-24 15:34:05,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 288 transitions, 695 flow [2024-10-24 15:34:05,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 288 transitions, 695 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:05,219 INFO L231 Difference]: Finished difference. Result has 294 places, 279 transitions, 627 flow [2024-10-24 15:34:05,219 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=655, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=627, PETRI_PLACES=294, PETRI_TRANSITIONS=279} [2024-10-24 15:34:05,220 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -44 predicate places. [2024-10-24 15:34:05,220 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 279 transitions, 627 flow [2024-10-24 15:34:05,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:05,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:05,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:05,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:34:05,223 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:34:05,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:05,224 INFO L85 PathProgramCache]: Analyzing trace with hash 55616852, now seen corresponding path program 1 times [2024-10-24 15:34:05,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:05,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602611860] [2024-10-24 15:34:05,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:05,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 15:34:05,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:05,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602611860] [2024-10-24 15:34:05,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602611860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:05,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:05,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:05,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182806831] [2024-10-24 15:34:05,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:05,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:05,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:05,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:05,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:05,292 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 370 [2024-10-24 15:34:05,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 279 transitions, 627 flow. Second operand has 3 states, 3 states have (on average 332.6666666666667) internal successors, (998), 3 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:05,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:05,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 370 [2024-10-24 15:34:05,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:05,523 INFO L124 PetriNetUnfolderBase]: 125/1615 cut-off events. [2024-10-24 15:34:05,524 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2024-10-24 15:34:05,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2015 conditions, 1615 events. 125/1615 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 9783 event pairs, 37 based on Foata normal form. 0/1522 useless extension candidates. Maximal degree in co-relation 2004. Up to 131 conditions per place. [2024-10-24 15:34:05,542 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 0 selfloop transitions, 0 changer transitions 281/281 dead transitions. [2024-10-24 15:34:05,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 281 transitions, 665 flow [2024-10-24 15:34:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1008 transitions. [2024-10-24 15:34:05,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9081081081081082 [2024-10-24 15:34:05,545 INFO L175 Difference]: Start difference. First operand has 294 places, 279 transitions, 627 flow. Second operand 3 states and 1008 transitions. [2024-10-24 15:34:05,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 281 transitions, 665 flow [2024-10-24 15:34:05,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 281 transitions, 641 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-10-24 15:34:05,550 INFO L231 Difference]: Finished difference. Result has 283 places, 0 transitions, 0 flow [2024-10-24 15:34:05,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=283, PETRI_TRANSITIONS=0} [2024-10-24 15:34:05,550 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, -55 predicate places. [2024-10-24 15:34:05,551 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 0 transitions, 0 flow [2024-10-24 15:34:05,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.6666666666667) internal successors, (998), 3 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:05,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2024-10-24 15:34:05,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2024-10-24 15:34:05,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2024-10-24 15:34:05,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2024-10-24 15:34:05,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2024-10-24 15:34:05,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2024-10-24 15:34:05,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2024-10-24 15:34:05,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2024-10-24 15:34:05,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2024-10-24 15:34:05,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2024-10-24 15:34:05,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2024-10-24 15:34:05,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2024-10-24 15:34:05,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2024-10-24 15:34:05,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2024-10-24 15:34:05,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2024-10-24 15:34:05,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2024-10-24 15:34:05,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2024-10-24 15:34:05,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2024-10-24 15:34:05,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2024-10-24 15:34:05,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2024-10-24 15:34:05,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2024-10-24 15:34:05,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2024-10-24 15:34:05,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2024-10-24 15:34:05,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2024-10-24 15:34:05,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2024-10-24 15:34:05,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2024-10-24 15:34:05,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2024-10-24 15:34:05,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2024-10-24 15:34:05,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2024-10-24 15:34:05,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2024-10-24 15:34:05,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 76 remaining) [2024-10-24 15:34:05,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 76 remaining) [2024-10-24 15:34:05,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2024-10-24 15:34:05,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2024-10-24 15:34:05,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2024-10-24 15:34:05,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2024-10-24 15:34:05,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2024-10-24 15:34:05,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2024-10-24 15:34:05,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2024-10-24 15:34:05,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2024-10-24 15:34:05,566 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2024-10-24 15:34:05,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:34:05,567 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:05,575 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:34:05,575 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:34:05,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:34:05 BasicIcfg [2024-10-24 15:34:05,582 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:34:05,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:34:05,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:34:05,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:34:05,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:56" (3/4) ... [2024-10-24 15:34:05,584 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:34:05,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:34:05,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:34:05,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 15:34:05,593 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-24 15:34:05,593 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:34:05,594 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:34:05,594 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:34:05,692 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:34:05,692 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:34:05,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:34:05,693 INFO L158 Benchmark]: Toolchain (without parser) took 11271.18ms. Allocated memory was 148.9MB in the beginning and 390.1MB in the end (delta: 241.2MB). Free memory was 90.8MB in the beginning and 153.3MB in the end (delta: -62.5MB). Peak memory consumption was 179.9MB. Max. memory is 16.1GB. [2024-10-24 15:34:05,693 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:34:05,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.93ms. Allocated memory is still 148.9MB. Free memory was 90.8MB in the beginning and 76.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 15:34:05,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.91ms. Allocated memory is still 148.9MB. Free memory was 76.2MB in the beginning and 72.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:34:05,694 INFO L158 Benchmark]: Boogie Preprocessor took 54.21ms. Allocated memory is still 148.9MB. Free memory was 72.7MB in the beginning and 69.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:34:05,694 INFO L158 Benchmark]: RCFGBuilder took 1252.26ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 69.9MB in the beginning and 87.9MB in the end (delta: -18.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-10-24 15:34:05,695 INFO L158 Benchmark]: TraceAbstraction took 9417.70ms. Allocated memory was 192.9MB in the beginning and 390.1MB in the end (delta: 197.1MB). Free memory was 86.9MB in the beginning and 159.6MB in the end (delta: -72.7MB). Peak memory consumption was 123.4MB. Max. memory is 16.1GB. [2024-10-24 15:34:05,695 INFO L158 Benchmark]: Witness Printer took 110.40ms. Allocated memory is still 390.1MB. Free memory was 159.6MB in the beginning and 153.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 15:34:05,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.93ms. Allocated memory is still 148.9MB. Free memory was 90.8MB in the beginning and 76.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.91ms. Allocated memory is still 148.9MB. Free memory was 76.2MB in the beginning and 72.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.21ms. Allocated memory is still 148.9MB. Free memory was 72.7MB in the beginning and 69.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1252.26ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 69.9MB in the beginning and 87.9MB in the end (delta: -18.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9417.70ms. Allocated memory was 192.9MB in the beginning and 390.1MB in the end (delta: 197.1MB). Free memory was 86.9MB in the beginning and 159.6MB in the end (delta: -72.7MB). Peak memory consumption was 123.4MB. Max. memory is 16.1GB. * Witness Printer took 110.40ms. Allocated memory is still 390.1MB. Free memory was 159.6MB in the beginning and 153.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 534 locations, 76 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: 9.2s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 968 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 547 mSDsluCounter, 487 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 196 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1563 IncrementalHoareTripleChecker+Invalid, 1759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 196 mSolverCounterUnsat, 195 mSDtfsCounter, 1563 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=12, InterpolantAutomatonStates: 69, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1538 NumberOfCodeBlocks, 1538 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1521 ConstructedInterpolants, 0 QuantifiedInterpolants, 2112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 2/2 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 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:34:05,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE