./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:33:24,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:33:24,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:33:24,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:33:24,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:33:24,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:33:24,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:33:24,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:33:24,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:33:24,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:33:24,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:33:24,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:33:24,316 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:33:24,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:33:24,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:33:24,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:33:24,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:33:24,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:33:24,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:33:24,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:33:24,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:33:24,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:33:24,322 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:33:24,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:33:24,324 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:33:24,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:33:24,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:33:24,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:33:24,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:33:24,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:33:24,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:33:24,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:33:24,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:33:24,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:33:24,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:33:24,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:33:24,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:33:24,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:33:24,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:33:24,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:33:24,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:33:24,329 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce [2024-10-24 15:33:24,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:33:24,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:33:24,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:33:24,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:33:24,631 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:33:24,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2024-10-24 15:33:26,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:33:26,251 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:33:26,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2024-10-24 15:33:26,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8e0290f/2973c3317c5b46ec820840efbcec0c6c/FLAG970798228 [2024-10-24 15:33:26,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8e0290f/2973c3317c5b46ec820840efbcec0c6c [2024-10-24 15:33:26,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:33:26,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:33:26,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:33:26,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:33:26,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:33:26,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b5974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26, skipping insertion in model container [2024-10-24 15:33:26,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:33:26,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:33:26,520 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:33:26,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:33:26,570 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:33:26,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26 WrapperNode [2024-10-24 15:33:26,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:33:26,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:33:26,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:33:26,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:33:26,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,609 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-10-24 15:33:26,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:33:26,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:33:26,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:33:26,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:33:26,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:33:26,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:33:26,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:33:26,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:33:26,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (1/1) ... [2024-10-24 15:33:26,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:33:26,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:33:26,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:33:26,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:33:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:33:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:33:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:33:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:33:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:33:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:33:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:33:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:33:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:33:26,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:33:26,748 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:33:26,836 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:33:26,838 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:33:27,038 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:33:27,039 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:33:27,124 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:33:27,124 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 15:33:27,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:27 BoogieIcfgContainer [2024-10-24 15:33:27,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:33:27,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:33:27,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:33:27,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:33:27,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:33:26" (1/3) ... [2024-10-24 15:33:27,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0e1b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:33:27, skipping insertion in model container [2024-10-24 15:33:27,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:33:26" (2/3) ... [2024-10-24 15:33:27,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0e1b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:33:27, skipping insertion in model container [2024-10-24 15:33:27,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:27" (3/3) ... [2024-10-24 15:33:27,137 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-10-24 15:33:27,153 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:33:27,154 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-24 15:33:27,155 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:33:27,224 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 15:33:27,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 126 transitions, 266 flow [2024-10-24 15:33:27,325 INFO L124 PetriNetUnfolderBase]: 7/124 cut-off events. [2024-10-24 15:33:27,325 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:33:27,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 124 events. 7/124 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 110 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2024-10-24 15:33:27,334 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 126 transitions, 266 flow [2024-10-24 15:33:27,339 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 107 transitions, 226 flow [2024-10-24 15:33:27,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:33:27,355 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;@2f7cc7a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:33:27,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-10-24 15:33:27,364 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:33:27,364 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-24 15:33:27,364 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:33:27,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:27,365 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:27,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-24 15:33:27,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:27,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1787070339, now seen corresponding path program 1 times [2024-10-24 15:33:27,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:27,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39286644] [2024-10-24 15:33:27,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:27,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:27,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:27,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39286644] [2024-10-24 15:33:27,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39286644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:27,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:27,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:27,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662070021] [2024-10-24 15:33:27,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:27,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:27,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:27,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:27,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:27,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 126 [2024-10-24 15:33:27,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 107 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:27,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:27,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 126 [2024-10-24 15:33:27,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:27,773 INFO L124 PetriNetUnfolderBase]: 10/130 cut-off events. [2024-10-24 15:33:27,774 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-24 15:33:27,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 130 events. 10/130 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 5 based on Foata normal form. 5/118 useless extension candidates. Maximal degree in co-relation 86. Up to 25 conditions per place. [2024-10-24 15:33:27,778 INFO L140 encePairwiseOnDemand]: 115/126 looper letters, 12 selfloop transitions, 2 changer transitions 1/98 dead transitions. [2024-10-24 15:33:27,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 98 transitions, 236 flow [2024-10-24 15:33:27,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2024-10-24 15:33:27,794 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8544973544973545 [2024-10-24 15:33:27,797 INFO L175 Difference]: Start difference. First operand has 108 places, 107 transitions, 226 flow. Second operand 3 states and 323 transitions. [2024-10-24 15:33:27,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 98 transitions, 236 flow [2024-10-24 15:33:27,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 228 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 15:33:27,806 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 202 flow [2024-10-24 15:33:27,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=100, PETRI_TRANSITIONS=97} [2024-10-24 15:33:27,815 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, -8 predicate places. [2024-10-24 15:33:27,816 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 202 flow [2024-10-24 15:33:27,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:27,816 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:27,816 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] [2024-10-24 15:33:27,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:33:27,817 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-24 15:33:27,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:27,818 INFO L85 PathProgramCache]: Analyzing trace with hash 159112569, now seen corresponding path program 1 times [2024-10-24 15:33:27,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:27,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30735268] [2024-10-24 15:33:27,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:27,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:27,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30735268] [2024-10-24 15:33:27,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30735268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:27,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:27,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:27,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444088579] [2024-10-24 15:33:27,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:27,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:27,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:27,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:27,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:27,909 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 126 [2024-10-24 15:33:27,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:27,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:27,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 126 [2024-10-24 15:33:27,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:27,950 INFO L124 PetriNetUnfolderBase]: 9/120 cut-off events. [2024-10-24 15:33:27,950 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:33:27,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 120 events. 9/120 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 213 event pairs, 5 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 125. Up to 23 conditions per place. [2024-10-24 15:33:27,952 INFO L140 encePairwiseOnDemand]: 123/126 looper letters, 12 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-10-24 15:33:27,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 96 transitions, 228 flow [2024-10-24 15:33:27,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2024-10-24 15:33:27,955 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2024-10-24 15:33:27,955 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 202 flow. Second operand 3 states and 315 transitions. [2024-10-24 15:33:27,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 96 transitions, 228 flow [2024-10-24 15:33:27,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 96 transitions, 224 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:27,958 INFO L231 Difference]: Finished difference. Result has 98 places, 96 transitions, 200 flow [2024-10-24 15:33:27,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=98, PETRI_TRANSITIONS=96} [2024-10-24 15:33:27,959 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, -10 predicate places. [2024-10-24 15:33:27,959 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 96 transitions, 200 flow [2024-10-24 15:33:27,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:27,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:27,960 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] [2024-10-24 15:33:27,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:33:27,961 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-24 15:33:27,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:27,961 INFO L85 PathProgramCache]: Analyzing trace with hash 90952638, now seen corresponding path program 1 times [2024-10-24 15:33:27,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:27,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744048680] [2024-10-24 15:33:27,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:28,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:28,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744048680] [2024-10-24 15:33:28,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744048680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:28,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:28,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:28,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963712647] [2024-10-24 15:33:28,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:28,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:28,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:28,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:28,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:28,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 126 [2024-10-24 15:33:28,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 96 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:28,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:28,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 126 [2024-10-24 15:33:28,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:28,080 INFO L124 PetriNetUnfolderBase]: 12/125 cut-off events. [2024-10-24 15:33:28,084 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:33:28,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 125 events. 12/125 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 224 event pairs, 7 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 129. Up to 28 conditions per place. [2024-10-24 15:33:28,090 INFO L140 encePairwiseOnDemand]: 122/126 looper letters, 12 selfloop transitions, 1 changer transitions 0/93 dead transitions. [2024-10-24 15:33:28,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 93 transitions, 220 flow [2024-10-24 15:33:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:28,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2024-10-24 15:33:28,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8359788359788359 [2024-10-24 15:33:28,096 INFO L175 Difference]: Start difference. First operand has 98 places, 96 transitions, 200 flow. Second operand 3 states and 316 transitions. [2024-10-24 15:33:28,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 93 transitions, 220 flow [2024-10-24 15:33:28,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 93 transitions, 216 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:28,099 INFO L231 Difference]: Finished difference. Result has 95 places, 93 transitions, 192 flow [2024-10-24 15:33:28,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=95, PETRI_TRANSITIONS=93} [2024-10-24 15:33:28,103 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, -13 predicate places. [2024-10-24 15:33:28,103 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 93 transitions, 192 flow [2024-10-24 15:33:28,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:28,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:28,105 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] [2024-10-24 15:33:28,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:33:28,106 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-24 15:33:28,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:28,107 INFO L85 PathProgramCache]: Analyzing trace with hash 3880910, now seen corresponding path program 1 times [2024-10-24 15:33:28,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:28,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059800746] [2024-10-24 15:33:28,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:28,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:28,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:28,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059800746] [2024-10-24 15:33:28,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059800746] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:28,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:28,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:28,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322087315] [2024-10-24 15:33:28,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:28,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:28,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:28,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:28,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:28,179 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 126 [2024-10-24 15:33:28,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 93 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:28,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:28,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 126 [2024-10-24 15:33:28,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:28,223 INFO L124 PetriNetUnfolderBase]: 16/169 cut-off events. [2024-10-24 15:33:28,223 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-24 15:33:28,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 169 events. 16/169 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 455 event pairs, 2 based on Foata normal form. 1/163 useless extension candidates. Maximal degree in co-relation 180. Up to 29 conditions per place. [2024-10-24 15:33:28,225 INFO L140 encePairwiseOnDemand]: 121/126 looper letters, 14 selfloop transitions, 2 changer transitions 4/95 dead transitions. [2024-10-24 15:33:28,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 95 transitions, 233 flow [2024-10-24 15:33:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2024-10-24 15:33:28,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8465608465608465 [2024-10-24 15:33:28,227 INFO L175 Difference]: Start difference. First operand has 95 places, 93 transitions, 192 flow. Second operand 3 states and 320 transitions. [2024-10-24 15:33:28,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 95 transitions, 233 flow [2024-10-24 15:33:28,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 95 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:28,232 INFO L231 Difference]: Finished difference. Result has 94 places, 87 transitions, 187 flow [2024-10-24 15:33:28,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=94, PETRI_TRANSITIONS=87} [2024-10-24 15:33:28,233 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, -14 predicate places. [2024-10-24 15:33:28,234 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 87 transitions, 187 flow [2024-10-24 15:33:28,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:28,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:28,235 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] [2024-10-24 15:33:28,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:33:28,236 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-24 15:33:28,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash -611235910, now seen corresponding path program 1 times [2024-10-24 15:33:28,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:28,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449637400] [2024-10-24 15:33:28,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:28,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:33:28,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:28,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449637400] [2024-10-24 15:33:28,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449637400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:28,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:28,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:28,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921869738] [2024-10-24 15:33:28,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:28,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:28,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:28,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:28,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:28,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 126 [2024-10-24 15:33:28,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 87 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:28,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:28,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 126 [2024-10-24 15:33:28,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:28,359 INFO L124 PetriNetUnfolderBase]: 10/148 cut-off events. [2024-10-24 15:33:28,359 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:33:28,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 148 events. 10/148 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 376 event pairs, 4 based on Foata normal form. 1/144 useless extension candidates. Maximal degree in co-relation 151. Up to 19 conditions per place. [2024-10-24 15:33:28,361 INFO L140 encePairwiseOnDemand]: 124/126 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2024-10-24 15:33:28,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 86 transitions, 199 flow [2024-10-24 15:33:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2024-10-24 15:33:28,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703 [2024-10-24 15:33:28,364 INFO L175 Difference]: Start difference. First operand has 94 places, 87 transitions, 187 flow. Second operand 3 states and 329 transitions. [2024-10-24 15:33:28,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 86 transitions, 199 flow [2024-10-24 15:33:28,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 86 transitions, 199 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:33:28,366 INFO L231 Difference]: Finished difference. Result has 91 places, 0 transitions, 0 flow [2024-10-24 15:33:28,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=91, PETRI_TRANSITIONS=0} [2024-10-24 15:33:28,367 INFO L277 CegarLoopForPetriNet]: 108 programPoint places, -17 predicate places. [2024-10-24 15:33:28,369 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 0 transitions, 0 flow [2024-10-24 15:33:28,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:33:28,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2024-10-24 15:33:28,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-10-24 15:33:28,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-10-24 15:33:28,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-10-24 15:33:28,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-10-24 15:33:28,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-10-24 15:33:28,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-10-24 15:33:28,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-10-24 15:33:28,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-10-24 15:33:28,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-10-24 15:33:28,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-10-24 15:33:28,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-10-24 15:33:28,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 23 remaining) [2024-10-24 15:33:28,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 23 remaining) [2024-10-24 15:33:28,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 23 remaining) [2024-10-24 15:33:28,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 23 remaining) [2024-10-24 15:33:28,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-10-24 15:33:28,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-10-24 15:33:28,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-10-24 15:33:28,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-10-24 15:33:28,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-10-24 15:33:28,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-10-24 15:33:28,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-10-24 15:33:28,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:33:28,379 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-24 15:33:28,388 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:33:28,388 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:33:28,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:33:28 BasicIcfg [2024-10-24 15:33:28,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:33:28,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:33:28,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:33:28,396 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:33:28,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:33:27" (3/4) ... [2024-10-24 15:33:28,399 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:33:28,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:33:28,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:33:28,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-24 15:33:28,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:33:28,408 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:33:28,409 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:33:28,533 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:33:28,534 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:33:28,534 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:33:28,535 INFO L158 Benchmark]: Toolchain (without parser) took 2258.99ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 98.5MB in the beginning and 163.2MB in the end (delta: -64.7MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-10-24 15:33:28,535 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:33:28,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.41ms. Allocated memory is still 151.0MB. Free memory was 98.5MB in the beginning and 85.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 15:33:28,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.85ms. Allocated memory is still 151.0MB. Free memory was 85.0MB in the beginning and 83.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:33:28,537 INFO L158 Benchmark]: Boogie Preprocessor took 41.64ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 81.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:33:28,537 INFO L158 Benchmark]: RCFGBuilder took 470.19ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 62.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 15:33:28,538 INFO L158 Benchmark]: TraceAbstraction took 1266.71ms. Allocated memory is still 151.0MB. Free memory was 61.4MB in the beginning and 48.2MB in the end (delta: 13.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-10-24 15:33:28,538 INFO L158 Benchmark]: Witness Printer took 137.94ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 48.2MB in the beginning and 163.2MB in the end (delta: -115.0MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-10-24 15:33:28,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 115.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.41ms. Allocated memory is still 151.0MB. Free memory was 98.5MB in the beginning and 85.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.85ms. Allocated memory is still 151.0MB. Free memory was 85.0MB in the beginning and 83.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.64ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 81.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.19ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 62.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1266.71ms. Allocated memory is still 151.0MB. Free memory was 61.4MB in the beginning and 48.2MB in the end (delta: 13.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 137.94ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 48.2MB in the beginning and 163.2MB in the end (delta: -115.0MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 155 locations, 23 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: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 8 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:33:28,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE