./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:09:27,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:09:27,988 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:09:27,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:09:27,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:09:28,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:09:28,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:09:28,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:09:28,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:09:28,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:09:28,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:09:28,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:09:28,014 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:09:28,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:09:28,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:09:28,027 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:09:28,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:09:28,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:09:28,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:09:28,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:09:28,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:09:28,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:09:28,029 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:09:28,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:09:28,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:09:28,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:09:28,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:09:28,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:09:28,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:09:28,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:09:28,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:09:28,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:09:28,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:09:28,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:09:28,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:09:28,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:09:28,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:09:28,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:09:28,033 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:09:28,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:09:28,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:09:28,034 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2024-10-11 17:09:28,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:09:28,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:09:28,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:09:28,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:09:28,257 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:09:28,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-10-11 17:09:29,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:09:29,854 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:09:29,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-10-11 17:09:29,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/af8a2bc93/5cd95a2977d64023a691db590db222f0/FLAGa49429762 [2024-10-11 17:09:29,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/af8a2bc93/5cd95a2977d64023a691db590db222f0 [2024-10-11 17:09:29,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:09:29,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:09:29,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:09:29,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:09:29,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:09:29,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:09:29" (1/1) ... [2024-10-11 17:09:29,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124764fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:29, skipping insertion in model container [2024-10-11 17:09:29,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:09:29" (1/1) ... [2024-10-11 17:09:29,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:09:30,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:09:30,212 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:09:30,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:09:30,268 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:09:30,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30 WrapperNode [2024-10-11 17:09:30,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:09:30,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:09:30,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:09:30,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:09:30,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,313 INFO L138 Inliner]: procedures = 162, calls = 54, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 117 [2024-10-11 17:09:30,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:09:30,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:09:30,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:09:30,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:09:30,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:09:30,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:09:30,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:09:30,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:09:30,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (1/1) ... [2024-10-11 17:09:30,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:09:30,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:09:30,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:09:30,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:09:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:09:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:09:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-11 17:09:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-11 17:09:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:09:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:09:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:09:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:09:30,455 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:09:30,587 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:09:30,589 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:09:30,809 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:09:30,810 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:09:30,855 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:09:30,855 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:09:30,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:30 BoogieIcfgContainer [2024-10-11 17:09:30,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:09:30,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:09:30,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:09:30,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:09:30,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:09:29" (1/3) ... [2024-10-11 17:09:30,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63da7152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:09:30, skipping insertion in model container [2024-10-11 17:09:30,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:09:30" (2/3) ... [2024-10-11 17:09:30,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63da7152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:09:30, skipping insertion in model container [2024-10-11 17:09:30,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:30" (3/3) ... [2024-10-11 17:09:30,862 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2024-10-11 17:09:30,878 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:09:30,881 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-11 17:09:30,881 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:09:30,943 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-11 17:09:30,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 203 transitions, 413 flow [2024-10-11 17:09:31,046 INFO L124 PetriNetUnfolderBase]: 8/202 cut-off events. [2024-10-11 17:09:31,047 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:09:31,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 202 events. 8/202 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 256 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2024-10-11 17:09:31,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 199 places, 203 transitions, 413 flow [2024-10-11 17:09:31,068 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 197 transitions, 397 flow [2024-10-11 17:09:31,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:09:31,086 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;@2536f3cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:09:31,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-10-11 17:09:31,101 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:09:31,101 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2024-10-11 17:09:31,101 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:09:31,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:31,102 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] [2024-10-11 17:09:31,103 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 17:09:31,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash -849867250, now seen corresponding path program 1 times [2024-10-11 17:09:31,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:31,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12712278] [2024-10-11 17:09:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:31,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:31,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:31,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12712278] [2024-10-11 17:09:31,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12712278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:31,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:31,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:31,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446660400] [2024-10-11 17:09:31,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:31,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:31,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:31,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:31,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:31,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 203 [2024-10-11 17:09:31,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 197 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:31,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:31,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 203 [2024-10-11 17:09:31,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:32,316 INFO L124 PetriNetUnfolderBase]: 521/2881 cut-off events. [2024-10-11 17:09:32,316 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:09:32,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4002 conditions, 2881 events. 521/2881 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 23150 event pairs, 104 based on Foata normal form. 234/2840 useless extension candidates. Maximal degree in co-relation 3960. Up to 662 conditions per place. [2024-10-11 17:09:32,330 INFO L140 encePairwiseOnDemand]: 180/203 looper letters, 62 selfloop transitions, 10 changer transitions 0/211 dead transitions. [2024-10-11 17:09:32,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 211 transitions, 569 flow [2024-10-11 17:09:32,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:32,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2024-10-11 17:09:32,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8817733990147784 [2024-10-11 17:09:32,343 INFO L175 Difference]: Start difference. First operand has 193 places, 197 transitions, 397 flow. Second operand 3 states and 537 transitions. [2024-10-11 17:09:32,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 211 transitions, 569 flow [2024-10-11 17:09:32,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 211 transitions, 568 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:09:32,351 INFO L231 Difference]: Finished difference. Result has 186 places, 187 transitions, 438 flow [2024-10-11 17:09:32,353 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=186, PETRI_TRANSITIONS=187} [2024-10-11 17:09:32,357 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -7 predicate places. [2024-10-11 17:09:32,357 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 187 transitions, 438 flow [2024-10-11 17:09:32,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:32,360 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:32,360 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:09:32,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:09:32,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 17:09:32,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:32,361 INFO L85 PathProgramCache]: Analyzing trace with hash -433555147, now seen corresponding path program 1 times [2024-10-11 17:09:32,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:32,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130673341] [2024-10-11 17:09:32,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:32,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:32,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:32,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130673341] [2024-10-11 17:09:32,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130673341] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:32,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:32,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:32,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351079621] [2024-10-11 17:09:32,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:32,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:32,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:32,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:32,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:32,543 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-10-11 17:09:32,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 187 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:32,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:32,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-10-11 17:09:32,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:33,178 INFO L124 PetriNetUnfolderBase]: 506/2881 cut-off events. [2024-10-11 17:09:33,179 INFO L125 PetriNetUnfolderBase]: For 386/390 co-relation queries the response was YES. [2024-10-11 17:09:33,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4345 conditions, 2881 events. 506/2881 cut-off events. For 386/390 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 23228 event pairs, 355 based on Foata normal form. 4/2607 useless extension candidates. Maximal degree in co-relation 4302. Up to 979 conditions per place. [2024-10-11 17:09:33,201 INFO L140 encePairwiseOnDemand]: 196/203 looper letters, 52 selfloop transitions, 8 changer transitions 0/206 dead transitions. [2024-10-11 17:09:33,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 206 transitions, 612 flow [2024-10-11 17:09:33,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2024-10-11 17:09:33,207 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8472906403940886 [2024-10-11 17:09:33,207 INFO L175 Difference]: Start difference. First operand has 186 places, 187 transitions, 438 flow. Second operand 3 states and 516 transitions. [2024-10-11 17:09:33,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 206 transitions, 612 flow [2024-10-11 17:09:33,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 206 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:33,216 INFO L231 Difference]: Finished difference. Result has 188 places, 194 transitions, 490 flow [2024-10-11 17:09:33,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=188, PETRI_TRANSITIONS=194} [2024-10-11 17:09:33,221 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -5 predicate places. [2024-10-11 17:09:33,221 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 194 transitions, 490 flow [2024-10-11 17:09:33,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:33,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:33,222 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] [2024-10-11 17:09:33,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:09:33,222 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 17:09:33,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:33,222 INFO L85 PathProgramCache]: Analyzing trace with hash 631980611, now seen corresponding path program 1 times [2024-10-11 17:09:33,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:33,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077749735] [2024-10-11 17:09:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:33,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:33,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:33,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077749735] [2024-10-11 17:09:33,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077749735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:33,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:33,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:09:33,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237194952] [2024-10-11 17:09:33,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:33,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 17:09:33,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:33,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 17:09:33,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 17:09:33,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2024-10-11 17:09:33,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 194 transitions, 490 flow. Second operand has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:33,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:33,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2024-10-11 17:09:33,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:33,958 INFO L124 PetriNetUnfolderBase]: 140/1327 cut-off events. [2024-10-11 17:09:33,958 INFO L125 PetriNetUnfolderBase]: For 53/56 co-relation queries the response was YES. [2024-10-11 17:09:33,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1327 events. 140/1327 cut-off events. For 53/56 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8797 event pairs, 64 based on Foata normal form. 13/1233 useless extension candidates. Maximal degree in co-relation 1781. Up to 177 conditions per place. [2024-10-11 17:09:33,967 INFO L140 encePairwiseOnDemand]: 195/203 looper letters, 39 selfloop transitions, 8 changer transitions 2/206 dead transitions. [2024-10-11 17:09:33,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 206 transitions, 574 flow [2024-10-11 17:09:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 17:09:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 17:09:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 866 transitions. [2024-10-11 17:09:33,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8532019704433498 [2024-10-11 17:09:33,973 INFO L175 Difference]: Start difference. First operand has 188 places, 194 transitions, 490 flow. Second operand 5 states and 866 transitions. [2024-10-11 17:09:33,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 206 transitions, 574 flow [2024-10-11 17:09:33,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 206 transitions, 556 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:33,982 INFO L231 Difference]: Finished difference. Result has 189 places, 187 transitions, 448 flow [2024-10-11 17:09:33,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=448, PETRI_PLACES=189, PETRI_TRANSITIONS=187} [2024-10-11 17:09:33,987 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -4 predicate places. [2024-10-11 17:09:33,987 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 187 transitions, 448 flow [2024-10-11 17:09:33,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:33,988 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:33,988 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] [2024-10-11 17:09:33,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:09:33,989 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 17:09:33,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:33,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1036238888, now seen corresponding path program 1 times [2024-10-11 17:09:33,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:33,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067414255] [2024-10-11 17:09:33,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:33,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:34,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:34,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067414255] [2024-10-11 17:09:34,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067414255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:34,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:34,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:34,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719221892] [2024-10-11 17:09:34,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:34,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:34,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:34,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:34,096 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-10-11 17:09:34,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 187 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:34,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:34,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-10-11 17:09:34,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:34,444 INFO L124 PetriNetUnfolderBase]: 206/1481 cut-off events. [2024-10-11 17:09:34,447 INFO L125 PetriNetUnfolderBase]: For 238/239 co-relation queries the response was YES. [2024-10-11 17:09:34,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 1481 events. 206/1481 cut-off events. For 238/239 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10309 event pairs, 161 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 2262. Up to 482 conditions per place. [2024-10-11 17:09:34,456 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2024-10-11 17:09:34,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 565 flow [2024-10-11 17:09:34,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-10-11 17:09:34,458 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8292282430213465 [2024-10-11 17:09:34,459 INFO L175 Difference]: Start difference. First operand has 189 places, 187 transitions, 448 flow. Second operand 3 states and 505 transitions. [2024-10-11 17:09:34,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 565 flow [2024-10-11 17:09:34,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:34,466 INFO L231 Difference]: Finished difference. Result has 191 places, 190 transitions, 479 flow [2024-10-11 17:09:34,470 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=479, PETRI_PLACES=191, PETRI_TRANSITIONS=190} [2024-10-11 17:09:34,471 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2024-10-11 17:09:34,471 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 190 transitions, 479 flow [2024-10-11 17:09:34,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:34,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:34,472 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] [2024-10-11 17:09:34,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:09:34,472 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 17:09:34,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:34,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1878906357, now seen corresponding path program 1 times [2024-10-11 17:09:34,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:34,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460756669] [2024-10-11 17:09:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:34,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:34,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:34,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460756669] [2024-10-11 17:09:34,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460756669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:34,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:34,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:34,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127388528] [2024-10-11 17:09:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:34,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:34,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:34,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:34,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-10-11 17:09:34,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 190 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:34,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:34,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-10-11 17:09:34,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:35,127 INFO L124 PetriNetUnfolderBase]: 311/1966 cut-off events. [2024-10-11 17:09:35,131 INFO L125 PetriNetUnfolderBase]: For 215/219 co-relation queries the response was YES. [2024-10-11 17:09:35,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3046 conditions, 1966 events. 311/1966 cut-off events. For 215/219 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 14434 event pairs, 131 based on Foata normal form. 0/1837 useless extension candidates. Maximal degree in co-relation 2999. Up to 409 conditions per place. [2024-10-11 17:09:35,148 INFO L140 encePairwiseOnDemand]: 194/203 looper letters, 57 selfloop transitions, 6 changer transitions 3/217 dead transitions. [2024-10-11 17:09:35,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 217 transitions, 684 flow [2024-10-11 17:09:35,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-10-11 17:09:35,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8653530377668309 [2024-10-11 17:09:35,153 INFO L175 Difference]: Start difference. First operand has 191 places, 190 transitions, 479 flow. Second operand 3 states and 527 transitions. [2024-10-11 17:09:35,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 217 transitions, 684 flow [2024-10-11 17:09:35,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 217 transitions, 674 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:35,166 INFO L231 Difference]: Finished difference. Result has 191 places, 192 transitions, 507 flow [2024-10-11 17:09:35,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=507, PETRI_PLACES=191, PETRI_TRANSITIONS=192} [2024-10-11 17:09:35,167 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2024-10-11 17:09:35,167 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 192 transitions, 507 flow [2024-10-11 17:09:35,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:35,168 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:35,168 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] [2024-10-11 17:09:35,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:09:35,168 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 17:09:35,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:35,169 INFO L85 PathProgramCache]: Analyzing trace with hash -268824090, now seen corresponding path program 1 times [2024-10-11 17:09:35,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:35,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187037400] [2024-10-11 17:09:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:35,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:35,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187037400] [2024-10-11 17:09:35,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187037400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:35,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:35,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:35,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182226826] [2024-10-11 17:09:35,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:35,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:35,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:35,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:35,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:35,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2024-10-11 17:09:35,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 192 transitions, 507 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:35,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:35,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2024-10-11 17:09:35,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:35,766 INFO L124 PetriNetUnfolderBase]: 342/2016 cut-off events. [2024-10-11 17:09:35,766 INFO L125 PetriNetUnfolderBase]: For 441/445 co-relation queries the response was YES. [2024-10-11 17:09:35,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 2016 events. 342/2016 cut-off events. For 441/445 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15092 event pairs, 231 based on Foata normal form. 0/1880 useless extension candidates. Maximal degree in co-relation 3314. Up to 667 conditions per place. [2024-10-11 17:09:35,784 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 51 selfloop transitions, 4 changer transitions 0/207 dead transitions. [2024-10-11 17:09:35,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 207 transitions, 659 flow [2024-10-11 17:09:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:35,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:35,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2024-10-11 17:09:35,786 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2024-10-11 17:09:35,786 INFO L175 Difference]: Start difference. First operand has 191 places, 192 transitions, 507 flow. Second operand 3 states and 518 transitions. [2024-10-11 17:09:35,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 207 transitions, 659 flow [2024-10-11 17:09:35,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 207 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:35,790 INFO L231 Difference]: Finished difference. Result has 193 places, 195 transitions, 527 flow [2024-10-11 17:09:35,794 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=193, PETRI_TRANSITIONS=195} [2024-10-11 17:09:35,795 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, 0 predicate places. [2024-10-11 17:09:35,795 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 195 transitions, 527 flow [2024-10-11 17:09:35,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:35,796 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:35,796 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] [2024-10-11 17:09:35,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:09:35,796 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 17:09:35,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:35,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2025854313, now seen corresponding path program 1 times [2024-10-11 17:09:35,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:35,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812852641] [2024-10-11 17:09:35,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:35,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:35,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:35,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812852641] [2024-10-11 17:09:35,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812852641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:35,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:35,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:09:35,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824484412] [2024-10-11 17:09:35,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:35,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:09:35,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:35,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:09:35,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:09:35,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2024-10-11 17:09:35,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 195 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:35,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:35,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2024-10-11 17:09:35,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:36,348 INFO L124 PetriNetUnfolderBase]: 350/2164 cut-off events. [2024-10-11 17:09:36,349 INFO L125 PetriNetUnfolderBase]: For 457/461 co-relation queries the response was YES. [2024-10-11 17:09:36,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 2164 events. 350/2164 cut-off events. For 457/461 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 16528 event pairs, 232 based on Foata normal form. 0/2035 useless extension candidates. Maximal degree in co-relation 3535. Up to 691 conditions per place. [2024-10-11 17:09:36,356 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 3 changer transitions 12/210 dead transitions. [2024-10-11 17:09:36,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 210 transitions, 681 flow [2024-10-11 17:09:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:09:36,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:09:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2024-10-11 17:09:36,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2024-10-11 17:09:36,358 INFO L175 Difference]: Start difference. First operand has 193 places, 195 transitions, 527 flow. Second operand 3 states and 518 transitions. [2024-10-11 17:09:36,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 210 transitions, 681 flow [2024-10-11 17:09:36,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 210 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:09:36,362 INFO L231 Difference]: Finished difference. Result has 195 places, 191 transitions, 523 flow [2024-10-11 17:09:36,362 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=523, PETRI_PLACES=195, PETRI_TRANSITIONS=191} [2024-10-11 17:09:36,362 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, 2 predicate places. [2024-10-11 17:09:36,363 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 191 transitions, 523 flow [2024-10-11 17:09:36,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:36,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:09:36,363 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] [2024-10-11 17:09:36,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:09:36,363 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-11 17:09:36,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:09:36,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1779741485, now seen corresponding path program 1 times [2024-10-11 17:09:36,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:09:36,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498922147] [2024-10-11 17:09:36,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:09:36,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:09:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:09:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:09:36,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:09:36,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498922147] [2024-10-11 17:09:36,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498922147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:09:36,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:09:36,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 17:09:36,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734178609] [2024-10-11 17:09:36,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:09:36,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:09:36,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:09:36,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:09:36,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:09:36,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2024-10-11 17:09:36,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 191 transitions, 523 flow. Second operand has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:36,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:09:36,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2024-10-11 17:09:36,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:09:36,701 INFO L124 PetriNetUnfolderBase]: 85/1268 cut-off events. [2024-10-11 17:09:36,701 INFO L125 PetriNetUnfolderBase]: For 217/218 co-relation queries the response was YES. [2024-10-11 17:09:36,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1974 conditions, 1268 events. 85/1268 cut-off events. For 217/218 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7789 event pairs, 40 based on Foata normal form. 26/1256 useless extension candidates. Maximal degree in co-relation 1922. Up to 177 conditions per place. [2024-10-11 17:09:36,703 INFO L140 encePairwiseOnDemand]: 183/203 looper letters, 0 selfloop transitions, 0 changer transitions 192/192 dead transitions. [2024-10-11 17:09:36,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 192 transitions, 595 flow [2024-10-11 17:09:36,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 17:09:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 17:09:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2024-10-11 17:09:36,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8512315270935961 [2024-10-11 17:09:36,706 INFO L175 Difference]: Start difference. First operand has 195 places, 191 transitions, 523 flow. Second operand 5 states and 864 transitions. [2024-10-11 17:09:36,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 192 transitions, 595 flow [2024-10-11 17:09:36,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 192 transitions, 553 flow, removed 11 selfloop flow, removed 10 redundant places. [2024-10-11 17:09:36,708 INFO L231 Difference]: Finished difference. Result has 183 places, 0 transitions, 0 flow [2024-10-11 17:09:36,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=183, PETRI_TRANSITIONS=0} [2024-10-11 17:09:36,709 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -10 predicate places. [2024-10-11 17:09:36,709 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 0 transitions, 0 flow [2024-10-11 17:09:36,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:09:36,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2024-10-11 17:09:36,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2024-10-11 17:09:36,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2024-10-11 17:09:36,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2024-10-11 17:09:36,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 21 remaining) [2024-10-11 17:09:36,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2024-10-11 17:09:36,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2024-10-11 17:09:36,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2024-10-11 17:09:36,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2024-10-11 17:09:36,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2024-10-11 17:09:36,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2024-10-11 17:09:36,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2024-10-11 17:09:36,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2024-10-11 17:09:36,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2024-10-11 17:09:36,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2024-10-11 17:09:36,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2024-10-11 17:09:36,714 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2024-10-11 17:09:36,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2024-10-11 17:09:36,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2024-10-11 17:09:36,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2024-10-11 17:09:36,715 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2024-10-11 17:09:36,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:09:36,715 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:09:36,719 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:09:36,719 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:09:36,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:09:36 BasicIcfg [2024-10-11 17:09:36,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:09:36,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:09:36,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:09:36,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:09:36,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:09:30" (3/4) ... [2024-10-11 17:09:36,725 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:09:36,727 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-11 17:09:36,730 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-11 17:09:36,730 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:09:36,730 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 17:09:36,730 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:09:36,790 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:09:36,791 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:09:36,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:09:36,791 INFO L158 Benchmark]: Toolchain (without parser) took 6908.63ms. Allocated memory was 169.9MB in the beginning and 371.2MB in the end (delta: 201.3MB). Free memory was 137.5MB in the beginning and 260.3MB in the end (delta: -122.8MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2024-10-11 17:09:36,793 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:09:36,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.47ms. Allocated memory is still 169.9MB. Free memory was 137.3MB in the beginning and 118.7MB in the end (delta: 18.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-10-11 17:09:36,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.67ms. Allocated memory is still 169.9MB. Free memory was 118.0MB in the beginning and 115.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:09:36,793 INFO L158 Benchmark]: Boogie Preprocessor took 34.22ms. Allocated memory is still 169.9MB. Free memory was 115.8MB in the beginning and 114.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:09:36,794 INFO L158 Benchmark]: RCFGBuilder took 505.38ms. Allocated memory is still 169.9MB. Free memory was 114.5MB in the beginning and 89.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-11 17:09:36,794 INFO L158 Benchmark]: TraceAbstraction took 5865.53ms. Allocated memory was 169.9MB in the beginning and 371.2MB in the end (delta: 201.3MB). Free memory was 88.6MB in the beginning and 264.5MB in the end (delta: -175.9MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. [2024-10-11 17:09:36,794 INFO L158 Benchmark]: Witness Printer took 67.65ms. Allocated memory is still 371.2MB. Free memory was 264.5MB in the beginning and 260.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:09:36,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.47ms. Allocated memory is still 169.9MB. Free memory was 137.3MB in the beginning and 118.7MB in the end (delta: 18.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.67ms. Allocated memory is still 169.9MB. Free memory was 118.0MB in the beginning and 115.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.22ms. Allocated memory is still 169.9MB. Free memory was 115.8MB in the beginning and 114.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.38ms. Allocated memory is still 169.9MB. Free memory was 114.5MB in the beginning and 89.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5865.53ms. Allocated memory was 169.9MB in the beginning and 371.2MB in the end (delta: 201.3MB). Free memory was 88.6MB in the beginning and 264.5MB in the end (delta: -175.9MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. * Witness Printer took 67.65ms. Allocated memory is still 371.2MB. Free memory was 264.5MB in the beginning and 260.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 269 locations, 21 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: 5.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 789 IncrementalHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 54 mSDtfsCounter, 789 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=6, InterpolantAutomatonStates: 28, 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, 0.8s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 879 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:09:36,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE