./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.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/goblint-regression/13-privatized_19-publish-precision_true.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 c983783f5358911c3fbbb6a10a3bc1f70631f1803357161b1c0bc876f490a9b5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:48:12,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:48:12,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:48:12,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:48:12,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:48:12,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:48:12,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:48:12,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:48:12,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:48:12,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:48:12,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:48:12,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:48:12,448 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:48:12,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:48:12,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:48:12,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:48:12,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:48:12,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:48:12,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:48:12,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:48:12,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:48:12,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:48:12,455 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:48:12,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:48:12,456 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:48:12,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:48:12,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:48:12,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:48:12,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:48:12,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:48:12,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:48:12,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:48:12,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:48:12,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:48:12,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:48:12,463 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:48:12,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:48:12,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:48:12,464 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:48:12,464 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:48:12,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:48:12,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c983783f5358911c3fbbb6a10a3bc1f70631f1803357161b1c0bc876f490a9b5 [2024-11-20 13:48:12,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:48:12,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:48:12,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:48:12,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:48:12,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:48:12,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i [2024-11-20 13:48:14,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:48:14,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:48:14,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i [2024-11-20 13:48:14,419 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74d3fbac6/b957b19568ae4f4a919abd5504feb659/FLAG37e0b9935 [2024-11-20 13:48:14,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74d3fbac6/b957b19568ae4f4a919abd5504feb659 [2024-11-20 13:48:14,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:48:14,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:48:14,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:48:14,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:48:14,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:48:14,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:48:14" (1/1) ... [2024-11-20 13:48:14,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7924d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:14, skipping insertion in model container [2024-11-20 13:48:14,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:48:14" (1/1) ... [2024-11-20 13:48:14,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:48:15,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:48:15,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:48:15,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:48:15,238 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:48:15,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15 WrapperNode [2024-11-20 13:48:15,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:48:15,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:48:15,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:48:15,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:48:15,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,285 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 90 [2024-11-20 13:48:15,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:48:15,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:48:15,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:48:15,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:48:15,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:48:15,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:48:15,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:48:15,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:48:15,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (1/1) ... [2024-11-20 13:48:15,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:48:15,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:48:15,356 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 13:48:15,360 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 13:48:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 13:48:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:48:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-20 13:48:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-20 13:48:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:48:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 13:48:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:48:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:48:15,417 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 13:48:15,569 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:48:15,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:48:15,772 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:48:15,772 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:48:15,823 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:48:15,823 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:48:15,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:15 BoogieIcfgContainer [2024-11-20 13:48:15,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:48:15,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:48:15,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:48:15,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:48:15,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:48:14" (1/3) ... [2024-11-20 13:48:15,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46649a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:48:15, skipping insertion in model container [2024-11-20 13:48:15,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:48:15" (2/3) ... [2024-11-20 13:48:15,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46649a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:48:15, skipping insertion in model container [2024-11-20 13:48:15,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:15" (3/3) ... [2024-11-20 13:48:15,835 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2024-11-20 13:48:15,852 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:48:15,853 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-20 13:48:15,853 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:48:15,923 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-20 13:48:15,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 99 transitions, 205 flow [2024-11-20 13:48:16,016 INFO L124 PetriNetUnfolderBase]: 4/98 cut-off events. [2024-11-20 13:48:16,017 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:48:16,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 4/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2024-11-20 13:48:16,023 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 99 transitions, 205 flow [2024-11-20 13:48:16,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 85 transitions, 173 flow [2024-11-20 13:48:16,036 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:48:16,043 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;@5f2d5755, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:48:16,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-20 13:48:16,052 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:48:16,053 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-20 13:48:16,053 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:48:16,053 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:16,054 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] [2024-11-20 13:48:16,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-20 13:48:16,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:16,062 INFO L85 PathProgramCache]: Analyzing trace with hash 769354745, now seen corresponding path program 1 times [2024-11-20 13:48:16,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:16,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909983250] [2024-11-20 13:48:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:16,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:16,287 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 13:48:16,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:16,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909983250] [2024-11-20 13:48:16,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909983250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:16,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:16,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269049520] [2024-11-20 13:48:16,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:16,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:16,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:16,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:16,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:16,380 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2024-11-20 13:48:16,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 13:48:16,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:16,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2024-11-20 13:48:16,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:16,481 INFO L124 PetriNetUnfolderBase]: 16/149 cut-off events. [2024-11-20 13:48:16,485 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:48:16,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 149 events. 16/149 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 318 event pairs, 8 based on Foata normal form. 8/149 useless extension candidates. Maximal degree in co-relation 152. Up to 25 conditions per place. [2024-11-20 13:48:16,492 INFO L140 encePairwiseOnDemand]: 89/99 looper letters, 11 selfloop transitions, 4 changer transitions 3/77 dead transitions. [2024-11-20 13:48:16,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 77 transitions, 187 flow [2024-11-20 13:48:16,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2024-11-20 13:48:16,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8282828282828283 [2024-11-20 13:48:16,511 INFO L175 Difference]: Start difference. First operand has 85 places, 85 transitions, 173 flow. Second operand 3 states and 246 transitions. [2024-11-20 13:48:16,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 77 transitions, 187 flow [2024-11-20 13:48:16,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 77 transitions, 186 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:48:16,518 INFO L231 Difference]: Finished difference. Result has 80 places, 72 transitions, 154 flow [2024-11-20 13:48:16,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=80, PETRI_TRANSITIONS=72} [2024-11-20 13:48:16,526 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -5 predicate places. [2024-11-20 13:48:16,527 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 72 transitions, 154 flow [2024-11-20 13:48:16,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 13:48:16,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:16,528 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:16,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:48:16,529 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-20 13:48:16,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:16,530 INFO L85 PathProgramCache]: Analyzing trace with hash 281461201, now seen corresponding path program 1 times [2024-11-20 13:48:16,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:16,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752138128] [2024-11-20 13:48:16,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:16,691 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 13:48:16,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:16,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752138128] [2024-11-20 13:48:16,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752138128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:16,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:16,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:16,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756136299] [2024-11-20 13:48:16,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:16,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:16,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:16,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:16,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2024-11-20 13:48:16,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 72 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 13:48:16,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:16,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2024-11-20 13:48:16,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:16,795 INFO L124 PetriNetUnfolderBase]: 20/147 cut-off events. [2024-11-20 13:48:16,796 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-20 13:48:16,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 147 events. 20/147 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 328 event pairs, 16 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 172. Up to 45 conditions per place. [2024-11-20 13:48:16,798 INFO L140 encePairwiseOnDemand]: 96/99 looper letters, 14 selfloop transitions, 2 changer transitions 0/73 dead transitions. [2024-11-20 13:48:16,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 73 transitions, 188 flow [2024-11-20 13:48:16,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2024-11-20 13:48:16,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2024-11-20 13:48:16,806 INFO L175 Difference]: Start difference. First operand has 80 places, 72 transitions, 154 flow. Second operand 3 states and 242 transitions. [2024-11-20 13:48:16,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 73 transitions, 188 flow [2024-11-20 13:48:16,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 73 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:48:16,809 INFO L231 Difference]: Finished difference. Result has 76 places, 71 transitions, 148 flow [2024-11-20 13:48:16,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=76, PETRI_TRANSITIONS=71} [2024-11-20 13:48:16,810 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -9 predicate places. [2024-11-20 13:48:16,810 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 71 transitions, 148 flow [2024-11-20 13:48:16,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 13:48:16,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:48:16,812 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:48:16,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:48:16,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-20 13:48:16,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:48:16,815 INFO L85 PathProgramCache]: Analyzing trace with hash 523890621, now seen corresponding path program 1 times [2024-11-20 13:48:16,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:48:16,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732409462] [2024-11-20 13:48:16,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:48:16,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:48:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:48:16,926 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 13:48:16,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:48:16,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732409462] [2024-11-20 13:48:16,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732409462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:48:16,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:48:16,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:48:16,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005498672] [2024-11-20 13:48:16,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:48:16,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:48:16,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:48:16,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:48:16,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:48:16,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2024-11-20 13:48:16,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 71 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 13:48:16,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:48:16,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2024-11-20 13:48:16,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:48:17,028 INFO L124 PetriNetUnfolderBase]: 16/140 cut-off events. [2024-11-20 13:48:17,028 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 13:48:17,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 140 events. 16/140 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 290 event pairs, 14 based on Foata normal form. 3/139 useless extension candidates. Maximal degree in co-relation 152. Up to 40 conditions per place. [2024-11-20 13:48:17,029 INFO L140 encePairwiseOnDemand]: 97/99 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2024-11-20 13:48:17,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 72 transitions, 178 flow [2024-11-20 13:48:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:48:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:48:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2024-11-20 13:48:17,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8080808080808081 [2024-11-20 13:48:17,034 INFO L175 Difference]: Start difference. First operand has 76 places, 71 transitions, 148 flow. Second operand 3 states and 240 transitions. [2024-11-20 13:48:17,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 72 transitions, 178 flow [2024-11-20 13:48:17,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 72 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:48:17,039 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2024-11-20 13:48:17,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2024-11-20 13:48:17,040 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -10 predicate places. [2024-11-20 13:48:17,041 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2024-11-20 13:48:17,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 13:48:17,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2024-11-20 13:48:17,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-20 13:48:17,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-11-20 13:48:17,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2024-11-20 13:48:17,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2024-11-20 13:48:17,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-11-20 13:48:17,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-11-20 13:48:17,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-11-20 13:48:17,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:48:17,048 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-20 13:48:17,055 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:48:17,055 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:48:17,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:48:17 BasicIcfg [2024-11-20 13:48:17,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:48:17,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:48:17,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:48:17,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:48:17,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:48:15" (3/4) ... [2024-11-20 13:48:17,065 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:48:17,068 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-20 13:48:17,073 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-20 13:48:17,073 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:48:17,073 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 13:48:17,074 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:48:17,162 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:48:17,163 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:48:17,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:48:17,164 INFO L158 Benchmark]: Toolchain (without parser) took 2419.68ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 117.9MB in the beginning and 164.1MB in the end (delta: -46.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-20 13:48:17,164 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:48:17,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.37ms. Allocated memory is still 176.2MB. Free memory was 117.9MB in the beginning and 96.3MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-20 13:48:17,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.70ms. Allocated memory is still 176.2MB. Free memory was 96.3MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:48:17,165 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 176.2MB. Free memory was 94.2MB in the beginning and 92.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:48:17,166 INFO L158 Benchmark]: RCFGBuilder took 509.20ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 76.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 13:48:17,166 INFO L158 Benchmark]: TraceAbstraction took 1234.48ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 75.3MB in the beginning and 168.3MB in the end (delta: -93.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:48:17,166 INFO L158 Benchmark]: Witness Printer took 101.27ms. Allocated memory is still 247.5MB. Free memory was 168.3MB in the beginning and 164.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:48:17,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.37ms. Allocated memory is still 176.2MB. Free memory was 117.9MB in the beginning and 96.3MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.70ms. Allocated memory is still 176.2MB. Free memory was 96.3MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 176.2MB. Free memory was 94.2MB in the beginning and 92.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.20ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 76.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1234.48ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 75.3MB in the beginning and 168.3MB in the end (delta: -93.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.27ms. Allocated memory is still 247.5MB. Free memory was 168.3MB in the beginning and 164.1MB 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: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 139 locations, 8 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: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 2 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:48:17,190 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