./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-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 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-atomic/szymanski.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 a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:25:23,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:25:23,446 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:25:23,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:25:23,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:25:23,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:25:23,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:25:23,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:25:23,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:25:23,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:25:23,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:25:23,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:25:23,476 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:25:23,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:25:23,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:25:23,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:25:23,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:25:23,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:25:23,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:25:23,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:25:23,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:25:23,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:25:23,479 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:25:23,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:25:23,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:25:23,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:25:23,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:25:23,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:25:23,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:25:23,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:25:23,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:25:23,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:25:23,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:25:23,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:25:23,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:25:23,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:25:23,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:25:23,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:25:23,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:25:23,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:25:23,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:25:23,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 [2024-11-20 13:25:23,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:25:23,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:25:23,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:25:23,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:25:23,719 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:25:23,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-20 13:25:24,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:25:25,156 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:25:25,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-20 13:25:25,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48126895a/8994904569184410b5e6bdf5aceabc7d/FLAG3bd31afbc [2024-11-20 13:25:25,507 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48126895a/8994904569184410b5e6bdf5aceabc7d [2024-11-20 13:25:25,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:25:25,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:25:25,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:25:25,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:25:25,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:25:25,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264f1acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25, skipping insertion in model container [2024-11-20 13:25:25,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:25:25,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:25:25,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:25:25,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:25:25,891 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:25:25,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25 WrapperNode [2024-11-20 13:25:25,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:25:25,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:25:25,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:25:25,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:25:25,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,919 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2024-11-20 13:25:25,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:25:25,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:25:25,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:25:25,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:25:25,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:25:25,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:25:25,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:25:25,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:25:25,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (1/1) ... [2024-11-20 13:25:25,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:25:25,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:25:25,969 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) [2024-11-20 13:25:25,971 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 [2024-11-20 13:25:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-20 13:25:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-20 13:25:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-20 13:25:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-20 13:25:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:25:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:25:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:25:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:25:26,010 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:25:26,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:25:26,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:25:26,278 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:25:26,278 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:25:26,298 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:25:26,298 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-20 13:25:26,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:25:26 BoogieIcfgContainer [2024-11-20 13:25:26,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:25:26,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:25:26,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:25:26,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:25:26,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:25:25" (1/3) ... [2024-11-20 13:25:26,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a9691b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:25:26, skipping insertion in model container [2024-11-20 13:25:26,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:25" (2/3) ... [2024-11-20 13:25:26,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a9691b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:25:26, skipping insertion in model container [2024-11-20 13:25:26,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:25:26" (3/3) ... [2024-11-20 13:25:26,305 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-11-20 13:25:26,318 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:25:26,318 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-20 13:25:26,318 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:25:26,390 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:25:26,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 109 transitions, 232 flow [2024-11-20 13:25:26,464 INFO L124 PetriNetUnfolderBase]: 22/107 cut-off events. [2024-11-20 13:25:26,464 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:25:26,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 107 events. 22/107 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 132 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 86. Up to 3 conditions per place. [2024-11-20 13:25:26,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 109 transitions, 232 flow [2024-11-20 13:25:26,473 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 102 transitions, 213 flow [2024-11-20 13:25:26,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:25:26,489 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;@5ace5c5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:25:26,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-20 13:25:26,500 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:25:26,501 INFO L124 PetriNetUnfolderBase]: 9/50 cut-off events. [2024-11-20 13:25:26,501 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:25:26,501 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:26,502 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] [2024-11-20 13:25:26,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 13:25:26,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:26,506 INFO L85 PathProgramCache]: Analyzing trace with hash 414610282, now seen corresponding path program 1 times [2024-11-20 13:25:26,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:26,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806614455] [2024-11-20 13:25:26,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:26,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:26,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:26,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806614455] [2024-11-20 13:25:26,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806614455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:26,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:26,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:25:26,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39150190] [2024-11-20 13:25:26,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:26,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:26,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:26,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:26,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:26,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-20 13:25:26,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 102 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-20 13:25:26,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:26,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-20 13:25:26,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:26,827 INFO L124 PetriNetUnfolderBase]: 40/222 cut-off events. [2024-11-20 13:25:26,827 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-20 13:25:26,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 222 events. 40/222 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 842 event pairs, 11 based on Foata normal form. 60/234 useless extension candidates. Maximal degree in co-relation 259. Up to 42 conditions per place. [2024-11-20 13:25:26,830 INFO L140 encePairwiseOnDemand]: 91/109 looper letters, 11 selfloop transitions, 5 changer transitions 0/93 dead transitions. [2024-11-20 13:25:26,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 93 transitions, 230 flow [2024-11-20 13:25:26,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-20 13:25:26,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8868501529051988 [2024-11-20 13:25:26,844 INFO L175 Difference]: Start difference. First operand has 87 places, 102 transitions, 213 flow. Second operand 3 states and 290 transitions. [2024-11-20 13:25:26,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 93 transitions, 230 flow [2024-11-20 13:25:26,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 93 transitions, 224 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 13:25:26,853 INFO L231 Difference]: Finished difference. Result has 86 places, 92 transitions, 218 flow [2024-11-20 13:25:26,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=86, PETRI_TRANSITIONS=92} [2024-11-20 13:25:26,857 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, -1 predicate places. [2024-11-20 13:25:26,857 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 92 transitions, 218 flow [2024-11-20 13:25:26,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-20 13:25:26,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:26,859 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] [2024-11-20 13:25:26,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:25:26,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 13:25:26,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:26,860 INFO L85 PathProgramCache]: Analyzing trace with hash -670634007, now seen corresponding path program 1 times [2024-11-20 13:25:26,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:26,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056971178] [2024-11-20 13:25:26,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:26,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:26,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:26,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056971178] [2024-11-20 13:25:26,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056971178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:26,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:26,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:25:26,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482438100] [2024-11-20 13:25:26,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:26,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:26,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:26,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:26,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-20 13:25:26,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 92 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-20 13:25:26,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:26,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-20 13:25:26,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:27,015 INFO L124 PetriNetUnfolderBase]: 51/296 cut-off events. [2024-11-20 13:25:27,017 INFO L125 PetriNetUnfolderBase]: For 43/47 co-relation queries the response was YES. [2024-11-20 13:25:27,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 296 events. 51/296 cut-off events. For 43/47 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1262 event pairs, 6 based on Foata normal form. 1/240 useless extension candidates. Maximal degree in co-relation 212. Up to 46 conditions per place. [2024-11-20 13:25:27,019 INFO L140 encePairwiseOnDemand]: 101/109 looper letters, 13 selfloop transitions, 6 changer transitions 2/100 dead transitions. [2024-11-20 13:25:27,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 100 transitions, 287 flow [2024-11-20 13:25:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2024-11-20 13:25:27,023 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440366972477065 [2024-11-20 13:25:27,023 INFO L175 Difference]: Start difference. First operand has 86 places, 92 transitions, 218 flow. Second operand 3 states and 276 transitions. [2024-11-20 13:25:27,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 100 transitions, 287 flow [2024-11-20 13:25:27,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 100 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:25:27,026 INFO L231 Difference]: Finished difference. Result has 88 places, 96 transitions, 260 flow [2024-11-20 13:25:27,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=88, PETRI_TRANSITIONS=96} [2024-11-20 13:25:27,027 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 1 predicate places. [2024-11-20 13:25:27,027 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 96 transitions, 260 flow [2024-11-20 13:25:27,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-20 13:25:27,027 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:27,027 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:25:27,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:25:27,028 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 13:25:27,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:27,029 INFO L85 PathProgramCache]: Analyzing trace with hash -182531555, now seen corresponding path program 1 times [2024-11-20 13:25:27,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:27,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613370561] [2024-11-20 13:25:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:27,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:27,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:27,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613370561] [2024-11-20 13:25:27,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613370561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:27,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:27,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:25:27,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715082300] [2024-11-20 13:25:27,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:27,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:27,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:27,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:27,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:27,118 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109 [2024-11-20 13:25:27,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 96 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-11-20 13:25:27,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:27,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109 [2024-11-20 13:25:27,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:27,167 INFO L124 PetriNetUnfolderBase]: 71/342 cut-off events. [2024-11-20 13:25:27,167 INFO L125 PetriNetUnfolderBase]: For 131/131 co-relation queries the response was YES. [2024-11-20 13:25:27,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 342 events. 71/342 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1637 event pairs, 12 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 216. Up to 72 conditions per place. [2024-11-20 13:25:27,170 INFO L140 encePairwiseOnDemand]: 103/109 looper letters, 12 selfloop transitions, 7 changer transitions 3/101 dead transitions. [2024-11-20 13:25:27,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 101 transitions, 321 flow [2024-11-20 13:25:27,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:27,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:27,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-20 13:25:27,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8318042813455657 [2024-11-20 13:25:27,173 INFO L175 Difference]: Start difference. First operand has 88 places, 96 transitions, 260 flow. Second operand 3 states and 272 transitions. [2024-11-20 13:25:27,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 101 transitions, 321 flow [2024-11-20 13:25:27,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 101 transitions, 307 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:25:27,179 INFO L231 Difference]: Finished difference. Result has 90 places, 98 transitions, 290 flow [2024-11-20 13:25:27,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=90, PETRI_TRANSITIONS=98} [2024-11-20 13:25:27,180 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 3 predicate places. [2024-11-20 13:25:27,180 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 98 transitions, 290 flow [2024-11-20 13:25:27,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-11-20 13:25:27,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:27,180 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] [2024-11-20 13:25:27,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:25:27,180 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 13:25:27,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:27,181 INFO L85 PathProgramCache]: Analyzing trace with hash -236442085, now seen corresponding path program 1 times [2024-11-20 13:25:27,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:27,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322605880] [2024-11-20 13:25:27,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:27,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:27,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322605880] [2024-11-20 13:25:27,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322605880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:27,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:27,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:25:27,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997514885] [2024-11-20 13:25:27,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:27,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:27,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:27,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:27,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:27,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 109 [2024-11-20 13:25:27,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 98 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2024-11-20 13:25:27,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:27,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 109 [2024-11-20 13:25:27,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:27,338 INFO L124 PetriNetUnfolderBase]: 106/464 cut-off events. [2024-11-20 13:25:27,338 INFO L125 PetriNetUnfolderBase]: For 99/115 co-relation queries the response was YES. [2024-11-20 13:25:27,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 464 events. 106/464 cut-off events. For 99/115 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2451 event pairs, 25 based on Foata normal form. 18/413 useless extension candidates. Maximal degree in co-relation 678. Up to 84 conditions per place. [2024-11-20 13:25:27,341 INFO L140 encePairwiseOnDemand]: 99/109 looper letters, 14 selfloop transitions, 6 changer transitions 1/105 dead transitions. [2024-11-20 13:25:27,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 105 transitions, 349 flow [2024-11-20 13:25:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:27,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2024-11-20 13:25:27,343 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8287461773700305 [2024-11-20 13:25:27,343 INFO L175 Difference]: Start difference. First operand has 90 places, 98 transitions, 290 flow. Second operand 3 states and 271 transitions. [2024-11-20 13:25:27,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 105 transitions, 349 flow [2024-11-20 13:25:27,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 105 transitions, 335 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:25:27,347 INFO L231 Difference]: Finished difference. Result has 92 places, 103 transitions, 328 flow [2024-11-20 13:25:27,347 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=92, PETRI_TRANSITIONS=103} [2024-11-20 13:25:27,348 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, 5 predicate places. [2024-11-20 13:25:27,348 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 103 transitions, 328 flow [2024-11-20 13:25:27,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2024-11-20 13:25:27,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:27,348 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] [2024-11-20 13:25:27,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:25:27,348 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-20 13:25:27,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:27,349 INFO L85 PathProgramCache]: Analyzing trace with hash -64986005, now seen corresponding path program 2 times [2024-11-20 13:25:27,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:27,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434446743] [2024-11-20 13:25:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:27,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:27,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:27,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434446743] [2024-11-20 13:25:27,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434446743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:27,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:27,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:25:27,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355447307] [2024-11-20 13:25:27,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:27,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:27,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:27,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:27,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:27,435 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 109 [2024-11-20 13:25:27,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 103 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2024-11-20 13:25:27,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:27,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 109 [2024-11-20 13:25:27,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:27,470 INFO L124 PetriNetUnfolderBase]: 137/470 cut-off events. [2024-11-20 13:25:27,470 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-20 13:25:27,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 470 events. 137/470 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2106 event pairs, 31 based on Foata normal form. 23/462 useless extension candidates. Maximal degree in co-relation 728. Up to 82 conditions per place. [2024-11-20 13:25:27,471 INFO L140 encePairwiseOnDemand]: 99/109 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2024-11-20 13:25:27,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 98 transitions, 329 flow [2024-11-20 13:25:27,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2024-11-20 13:25:27,473 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8287461773700305 [2024-11-20 13:25:27,473 INFO L175 Difference]: Start difference. First operand has 92 places, 103 transitions, 328 flow. Second operand 3 states and 271 transitions. [2024-11-20 13:25:27,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 98 transitions, 329 flow [2024-11-20 13:25:27,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 98 transitions, 287 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-20 13:25:27,477 INFO L231 Difference]: Finished difference. Result has 84 places, 0 transitions, 0 flow [2024-11-20 13:25:27,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=84, PETRI_TRANSITIONS=0} [2024-11-20 13:25:27,477 INFO L277 CegarLoopForPetriNet]: 87 programPoint places, -3 predicate places. [2024-11-20 13:25:27,478 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 0 transitions, 0 flow [2024-11-20 13:25:27,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2024-11-20 13:25:27,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-20 13:25:27,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-20 13:25:27,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-20 13:25:27,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-20 13:25:27,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-20 13:25:27,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-20 13:25:27,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-20 13:25:27,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-20 13:25:27,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-20 13:25:27,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-20 13:25:27,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:25:27,484 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-20 13:25:27,489 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:25:27,489 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:25:27,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:25:27 BasicIcfg [2024-11-20 13:25:27,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:25:27,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:25:27,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:25:27,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:25:27,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:25:26" (3/4) ... [2024-11-20 13:25:27,499 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:25:27,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-20 13:25:27,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-20 13:25:27,505 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-20 13:25:27,507 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:25:27,507 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:25:27,507 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:25:27,578 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:25:27,580 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:25:27,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:25:27,580 INFO L158 Benchmark]: Toolchain (without parser) took 2070.82ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 76.6MB in the beginning and 96.8MB in the end (delta: -20.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-20 13:25:27,581 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:25:27,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.34ms. Allocated memory is still 132.1MB. Free memory was 76.6MB in the beginning and 54.1MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-20 13:25:27,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.32ms. Allocated memory is still 132.1MB. Free memory was 54.1MB in the beginning and 52.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:25:27,581 INFO L158 Benchmark]: Boogie Preprocessor took 19.41ms. Allocated memory is still 132.1MB. Free memory was 52.0MB in the beginning and 50.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:25:27,581 INFO L158 Benchmark]: RCFGBuilder took 358.60ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 50.5MB in the beginning and 143.2MB in the end (delta: -92.8MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-20 13:25:27,582 INFO L158 Benchmark]: TraceAbstraction took 1195.33ms. Allocated memory is still 174.1MB. Free memory was 143.2MB in the beginning and 101.0MB in the end (delta: 42.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-20 13:25:27,582 INFO L158 Benchmark]: Witness Printer took 84.23ms. Allocated memory is still 174.1MB. Free memory was 101.0MB in the beginning and 96.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:25:27,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.34ms. Allocated memory is still 132.1MB. Free memory was 76.6MB in the beginning and 54.1MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.32ms. Allocated memory is still 132.1MB. Free memory was 54.1MB in the beginning and 52.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.41ms. Allocated memory is still 132.1MB. Free memory was 52.0MB in the beginning and 50.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.60ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 50.5MB in the beginning and 143.2MB in the end (delta: -92.8MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1195.33ms. Allocated memory is still 174.1MB. Free memory was 143.2MB in the beginning and 101.0MB in the end (delta: 42.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 84.23ms. Allocated memory is still 174.1MB. Free memory was 101.0MB in the beginning and 96.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 146 locations, 10 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: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 40 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=4, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:25:27,609 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