./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/pthread-wmm/safe036.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe036.i -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 1118c32f43b2d6844c8e6b0e5b4fae8199d058f7b991e3c8d975cf675dc5221a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 16:59:54,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 16:59:54,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 16:59:54,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 16:59:54,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 16:59:55,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 16:59:55,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 16:59:55,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 16:59:55,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 16:59:55,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 16:59:55,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 16:59:55,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 16:59:55,012 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 16:59:55,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 16:59:55,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 16:59:55,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 16:59:55,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 16:59:55,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 16:59:55,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 16:59:55,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 16:59:55,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 16:59:55,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 16:59:55,017 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 16:59:55,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 16:59:55,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 16:59:55,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 16:59:55,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 16:59:55,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 16:59:55,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 16:59:55,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 16:59:55,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 16:59:55,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:59:55,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 16:59:55,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 16:59:55,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 16:59:55,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 16:59:55,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 16:59:55,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 16:59:55,019 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 16:59:55,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 16:59:55,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 16:59:55,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1118c32f43b2d6844c8e6b0e5b4fae8199d058f7b991e3c8d975cf675dc5221a [2024-10-14 16:59:55,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 16:59:55,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 16:59:55,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 16:59:55,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 16:59:55,251 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 16:59:55,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe036.i [2024-10-14 16:59:56,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 16:59:56,721 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 16:59:56,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe036.i [2024-10-14 16:59:56,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7194104a7/78ba4f1c7beb4dccbf8e8cb88165a16c/FLAGa02141a55 [2024-10-14 16:59:56,760 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7194104a7/78ba4f1c7beb4dccbf8e8cb88165a16c [2024-10-14 16:59:56,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 16:59:56,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 16:59:56,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 16:59:56,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 16:59:56,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 16:59:56,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:59:56" (1/1) ... [2024-10-14 16:59:56,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e53e773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:56, skipping insertion in model container [2024-10-14 16:59:56,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:59:56" (1/1) ... [2024-10-14 16:59:56,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 16:59:57,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:59:57,141 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 16:59:57,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:59:57,201 INFO L204 MainTranslator]: Completed translation [2024-10-14 16:59:57,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57 WrapperNode [2024-10-14 16:59:57,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 16:59:57,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 16:59:57,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 16:59:57,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 16:59:57,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,242 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-10-14 16:59:57,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 16:59:57,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 16:59:57,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 16:59:57,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 16:59:57,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 16:59:57,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 16:59:57,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 16:59:57,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 16:59:57,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (1/1) ... [2024-10-14 16:59:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:59:57,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 16:59:57,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 16:59:57,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 16:59:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 16:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 16:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 16:59:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 16:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 16:59:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 16:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 16:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 16:59:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 16:59:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 16:59:57,370 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 16:59:57,475 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 16:59:57,477 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 16:59:57,615 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 16:59:57,615 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 16:59:57,691 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 16:59:57,691 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 16:59:57,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:57 BoogieIcfgContainer [2024-10-14 16:59:57,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 16:59:57,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 16:59:57,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 16:59:57,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 16:59:57,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:59:56" (1/3) ... [2024-10-14 16:59:57,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@165f5506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:59:57, skipping insertion in model container [2024-10-14 16:59:57,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:59:57" (2/3) ... [2024-10-14 16:59:57,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@165f5506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:59:57, skipping insertion in model container [2024-10-14 16:59:57,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:57" (3/3) ... [2024-10-14 16:59:57,700 INFO L112 eAbstractionObserver]: Analyzing ICFG safe036.i [2024-10-14 16:59:57,713 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 16:59:57,714 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-14 16:59:57,714 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 16:59:57,756 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 16:59:57,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 96 transitions, 200 flow [2024-10-14 16:59:57,829 INFO L124 PetriNetUnfolderBase]: 3/94 cut-off events. [2024-10-14 16:59:57,829 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:59:57,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 94 events. 3/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 107 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2024-10-14 16:59:57,834 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 96 transitions, 200 flow [2024-10-14 16:59:57,838 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 94 transitions, 194 flow [2024-10-14 16:59:57,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 16:59:57,855 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;@54b5a5ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 16:59:57,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-10-14 16:59:57,862 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 16:59:57,862 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-14 16:59:57,862 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:59:57,862 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:59:57,863 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] [2024-10-14 16:59:57,863 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-10-14 16:59:57,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:59:57,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1154369620, now seen corresponding path program 1 times [2024-10-14 16:59:57,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:59:57,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913214311] [2024-10-14 16:59:57,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:59:57,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:59:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:59:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:59:58,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:59:58,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913214311] [2024-10-14 16:59:58,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913214311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:59:58,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:59:58,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 16:59:58,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35959061] [2024-10-14 16:59:58,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:59:58,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 16:59:58,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:59:58,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 16:59:58,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 16:59:58,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 96 [2024-10-14 16:59:58,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 94 transitions, 194 flow. Second operand has 2 states, 2 states have (on average 68.0) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:58,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:59:58,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 96 [2024-10-14 16:59:58,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:59:58,196 INFO L124 PetriNetUnfolderBase]: 60/232 cut-off events. [2024-10-14 16:59:58,196 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-14 16:59:58,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 232 events. 60/232 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1028 event pairs, 60 based on Foata normal form. 18/231 useless extension candidates. Maximal degree in co-relation 331. Up to 113 conditions per place. [2024-10-14 16:59:58,200 INFO L140 encePairwiseOnDemand]: 78/96 looper letters, 10 selfloop transitions, 0 changer transitions 0/74 dead transitions. [2024-10-14 16:59:58,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 74 transitions, 174 flow [2024-10-14 16:59:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 16:59:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-14 16:59:58,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 162 transitions. [2024-10-14 16:59:58,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84375 [2024-10-14 16:59:58,217 INFO L175 Difference]: Start difference. First operand has 98 places, 94 transitions, 194 flow. Second operand 2 states and 162 transitions. [2024-10-14 16:59:58,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 74 transitions, 174 flow [2024-10-14 16:59:58,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 74 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 16:59:58,224 INFO L231 Difference]: Finished difference. Result has 80 places, 74 transitions, 152 flow [2024-10-14 16:59:58,226 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=152, PETRI_PLACES=80, PETRI_TRANSITIONS=74} [2024-10-14 16:59:58,229 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, -18 predicate places. [2024-10-14 16:59:58,231 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 74 transitions, 152 flow [2024-10-14 16:59:58,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.0) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:58,231 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:59:58,232 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 16:59:58,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 16:59:58,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-10-14 16:59:58,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:59:58,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1717360307, now seen corresponding path program 1 times [2024-10-14 16:59:58,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:59:58,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800252054] [2024-10-14 16:59:58,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:59:58,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:59:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:59:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:59:58,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:59:58,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800252054] [2024-10-14 16:59:58,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800252054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:59:58,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:59:58,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:59:58,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515927839] [2024-10-14 16:59:58,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:59:58,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:59:58,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:59:58,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:59:58,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:59:58,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 96 [2024-10-14 16:59:58,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 74 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:58,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:59:58,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 96 [2024-10-14 16:59:58,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:59:58,443 INFO L124 PetriNetUnfolderBase]: 108/649 cut-off events. [2024-10-14 16:59:58,443 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:59:58,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 649 events. 108/649 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4187 event pairs, 36 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 851. Up to 120 conditions per place. [2024-10-14 16:59:58,451 INFO L140 encePairwiseOnDemand]: 94/96 looper letters, 17 selfloop transitions, 1 changer transitions 0/79 dead transitions. [2024-10-14 16:59:58,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 79 transitions, 198 flow [2024-10-14 16:59:58,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:59:58,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:59:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2024-10-14 16:59:58,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7326388888888888 [2024-10-14 16:59:58,454 INFO L175 Difference]: Start difference. First operand has 80 places, 74 transitions, 152 flow. Second operand 3 states and 211 transitions. [2024-10-14 16:59:58,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 79 transitions, 198 flow [2024-10-14 16:59:58,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 79 transitions, 198 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 16:59:58,457 INFO L231 Difference]: Finished difference. Result has 81 places, 73 transitions, 152 flow [2024-10-14 16:59:58,457 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=81, PETRI_TRANSITIONS=73} [2024-10-14 16:59:58,458 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, -17 predicate places. [2024-10-14 16:59:58,458 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 73 transitions, 152 flow [2024-10-14 16:59:58,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:58,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:59:58,459 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 16:59:58,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 16:59:58,459 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-10-14 16:59:58,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:59:58,460 INFO L85 PathProgramCache]: Analyzing trace with hash 407411909, now seen corresponding path program 1 times [2024-10-14 16:59:58,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:59:58,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597282430] [2024-10-14 16:59:58,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:59:58,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:59:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:59:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:59:58,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:59:58,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597282430] [2024-10-14 16:59:58,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597282430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:59:58,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:59:58,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:59:58,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512906355] [2024-10-14 16:59:58,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:59:58,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:59:58,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:59:58,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:59:58,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:59:58,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 96 [2024-10-14 16:59:58,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 73 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:58,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:59:58,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 96 [2024-10-14 16:59:58,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:59:58,631 INFO L124 PetriNetUnfolderBase]: 108/503 cut-off events. [2024-10-14 16:59:58,633 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:59:58,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 710 conditions, 503 events. 108/503 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2966 event pairs, 60 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 706. Up to 113 conditions per place. [2024-10-14 16:59:58,636 INFO L140 encePairwiseOnDemand]: 94/96 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-10-14 16:59:58,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 78 transitions, 198 flow [2024-10-14 16:59:58,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:59:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:59:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2024-10-14 16:59:58,640 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7326388888888888 [2024-10-14 16:59:58,640 INFO L175 Difference]: Start difference. First operand has 81 places, 73 transitions, 152 flow. Second operand 3 states and 211 transitions. [2024-10-14 16:59:58,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 78 transitions, 198 flow [2024-10-14 16:59:58,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 78 transitions, 197 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 16:59:58,642 INFO L231 Difference]: Finished difference. Result has 81 places, 0 transitions, 0 flow [2024-10-14 16:59:58,642 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=81, PETRI_TRANSITIONS=0} [2024-10-14 16:59:58,643 INFO L277 CegarLoopForPetriNet]: 98 programPoint places, -17 predicate places. [2024-10-14 16:59:58,643 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 0 transitions, 0 flow [2024-10-14 16:59:58,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:58,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2024-10-14 16:59:58,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2024-10-14 16:59:58,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2024-10-14 16:59:58,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2024-10-14 16:59:58,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2024-10-14 16:59:58,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2024-10-14 16:59:58,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2024-10-14 16:59:58,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2024-10-14 16:59:58,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2024-10-14 16:59:58,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2024-10-14 16:59:58,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2024-10-14 16:59:58,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2024-10-14 16:59:58,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2024-10-14 16:59:58,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2024-10-14 16:59:58,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2024-10-14 16:59:58,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2024-10-14 16:59:58,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2024-10-14 16:59:58,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 29 remaining) [2024-10-14 16:59:58,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 29 remaining) [2024-10-14 16:59:58,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2024-10-14 16:59:58,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2024-10-14 16:59:58,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2024-10-14 16:59:58,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2024-10-14 16:59:58,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2024-10-14 16:59:58,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2024-10-14 16:59:58,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2024-10-14 16:59:58,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2024-10-14 16:59:58,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2024-10-14 16:59:58,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2024-10-14 16:59:58,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 16:59:58,653 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 16:59:58,658 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 16:59:58,659 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 16:59:58,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:59:58 BasicIcfg [2024-10-14 16:59:58,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 16:59:58,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 16:59:58,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 16:59:58,665 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 16:59:58,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:59:57" (3/4) ... [2024-10-14 16:59:58,667 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 16:59:58,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-14 16:59:58,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-14 16:59:58,673 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-14 16:59:58,673 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 16:59:58,673 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 16:59:58,673 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 16:59:58,738 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 16:59:58,738 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 16:59:58,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 16:59:58,739 INFO L158 Benchmark]: Toolchain (without parser) took 1975.48ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 83.1MB in the beginning and 101.7MB in the end (delta: -18.7MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-10-14 16:59:58,739 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 110.2MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:59:58,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.20ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 114.3MB in the end (delta: -31.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-10-14 16:59:58,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.38ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 16:59:58,740 INFO L158 Benchmark]: Boogie Preprocessor took 30.95ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 111.4MB in the end (delta: 874.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:59:58,740 INFO L158 Benchmark]: RCFGBuilder took 416.86ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 87.1MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 16:59:58,740 INFO L158 Benchmark]: TraceAbstraction took 970.41ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 86.2MB in the beginning and 107.0MB in the end (delta: -20.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-10-14 16:59:58,740 INFO L158 Benchmark]: Witness Printer took 74.00ms. Allocated memory is still 209.7MB. Free memory was 107.0MB in the beginning and 101.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 16:59:58,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 110.2MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.20ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 114.3MB in the end (delta: -31.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.38ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.95ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 111.4MB in the end (delta: 874.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 416.86ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 87.1MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 970.41ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 86.2MB in the beginning and 107.0MB in the end (delta: -20.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Witness Printer took 74.00ms. Allocated memory is still 209.7MB. Free memory was 107.0MB in the beginning and 101.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 777]: 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, 124 locations, 29 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 16:59:58,764 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