./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_46-refine-protected1_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/goblint-regression/13-privatized_46-refine-protected1_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 3d12c74598447410478e04695104608e78da2e67734c0b49554aee2f95de0fed --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:52:13,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:52:13,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:52:13,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:52:13,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:52:13,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:52:13,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:52:13,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:52:13,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:52:13,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:52:13,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:52:13,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:52:13,778 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:52:13,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:52:13,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:52:13,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:52:13,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:52:13,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:52:13,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:52:13,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:52:13,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:52:13,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:52:13,784 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:52:13,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:52:13,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:52:13,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:52:13,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:52:13,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:52:13,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:52:13,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:52:13,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:52:13,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:52:13,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:52:13,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:52:13,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:52:13,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:52:13,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:52:13,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:52:13,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:52:13,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:52:13,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:52:13,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d12c74598447410478e04695104608e78da2e67734c0b49554aee2f95de0fed [2024-11-22 17:52:14,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:52:14,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:52:14,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:52:14,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:52:14,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:52:14,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_46-refine-protected1_true.i [2024-11-22 17:52:15,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:52:15,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:52:15,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_46-refine-protected1_true.i [2024-11-22 17:52:15,806 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091ed8f7a/98e543460f2b474a99ae50ee5e6436c3/FLAG06062ded3 [2024-11-22 17:52:15,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/091ed8f7a/98e543460f2b474a99ae50ee5e6436c3 [2024-11-22 17:52:15,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:52:15,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:52:15,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:52:15,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:52:15,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:52:15,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:52:15" (1/1) ... [2024-11-22 17:52:15,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6e50eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:15, skipping insertion in model container [2024-11-22 17:52:15,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:52:15" (1/1) ... [2024-11-22 17:52:15,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:52:16,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:52:16,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:52:16,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:52:16,358 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:52:16,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16 WrapperNode [2024-11-22 17:52:16,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:52:16,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:52:16,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:52:16,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:52:16,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,411 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 65 [2024-11-22 17:52:16,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:52:16,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:52:16,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:52:16,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:52:16,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:52:16,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:52:16,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:52:16,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:52:16,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (1/1) ... [2024-11-22 17:52:16,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:52:16,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:52:16,490 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) [2024-11-22 17:52:16,496 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 [2024-11-22 17:52:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:52:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:52:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:52:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:52:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:52:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:52:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:52:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:52:16,548 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:52:16,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:52:16,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:52:16,887 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:52:16,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:52:16,914 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:52:16,914 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 17:52:16,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:52:16 BoogieIcfgContainer [2024-11-22 17:52:16,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:52:16,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:52:16,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:52:16,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:52:16,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:52:15" (1/3) ... [2024-11-22 17:52:16,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15925a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:52:16, skipping insertion in model container [2024-11-22 17:52:16,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:52:16" (2/3) ... [2024-11-22 17:52:16,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15925a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:52:16, skipping insertion in model container [2024-11-22 17:52:16,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:52:16" (3/3) ... [2024-11-22 17:52:16,924 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_46-refine-protected1_true.i [2024-11-22 17:52:16,939 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:52:16,939 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 17:52:16,939 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:52:16,978 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:52:17,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 82 transitions, 168 flow [2024-11-22 17:52:17,044 INFO L124 PetriNetUnfolderBase]: 5/81 cut-off events. [2024-11-22 17:52:17,045 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:52:17,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 81 events. 5/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-11-22 17:52:17,051 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 82 transitions, 168 flow [2024-11-22 17:52:17,054 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 73 transitions, 149 flow [2024-11-22 17:52:17,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:52:17,066 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;@4974c557, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:52:17,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-22 17:52:17,077 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:52:17,077 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-11-22 17:52:17,077 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:52:17,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:52:17,078 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:52:17,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2024-11-22 17:52:17,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:52:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash -63118910, now seen corresponding path program 1 times [2024-11-22 17:52:17,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:52:17,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805212457] [2024-11-22 17:52:17,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:52:17,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:52:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:52:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:52:17,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:52:17,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805212457] [2024-11-22 17:52:17,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805212457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:52:17,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:52:17,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:52:17,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966681628] [2024-11-22 17:52:17,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:52:17,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:52:17,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:52:17,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:52:17,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:52:17,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 82 [2024-11-22 17:52:17,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2024-11-22 17:52:17,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:52:17,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 82 [2024-11-22 17:52:17,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:52:17,432 INFO L124 PetriNetUnfolderBase]: 1/62 cut-off events. [2024-11-22 17:52:17,432 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:52:17,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 62 events. 1/62 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 4/63 useless extension candidates. Maximal degree in co-relation 51. Up to 8 conditions per place. [2024-11-22 17:52:17,434 INFO L140 encePairwiseOnDemand]: 73/82 looper letters, 9 selfloop transitions, 2 changer transitions 6/62 dead transitions. [2024-11-22 17:52:17,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 62 transitions, 149 flow [2024-11-22 17:52:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:52:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:52:17,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2024-11-22 17:52:17,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8170731707317073 [2024-11-22 17:52:17,450 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 149 flow. Second operand 3 states and 201 transitions. [2024-11-22 17:52:17,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 62 transitions, 149 flow [2024-11-22 17:52:17,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 62 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:52:17,457 INFO L231 Difference]: Finished difference. Result has 66 places, 56 transitions, 118 flow [2024-11-22 17:52:17,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=66, PETRI_TRANSITIONS=56} [2024-11-22 17:52:17,462 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places. [2024-11-22 17:52:17,462 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 56 transitions, 118 flow [2024-11-22 17:52:17,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2024-11-22 17:52:17,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:52:17,463 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] [2024-11-22 17:52:17,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:52:17,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2024-11-22 17:52:17,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:52:17,464 INFO L85 PathProgramCache]: Analyzing trace with hash 86398893, now seen corresponding path program 1 times [2024-11-22 17:52:17,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:52:17,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206900338] [2024-11-22 17:52:17,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:52:17,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:52:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:52:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:52:17,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:52:17,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206900338] [2024-11-22 17:52:17,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206900338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:52:17,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:52:17,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:52:17,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003533533] [2024-11-22 17:52:17,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:52:17,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:52:17,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:52:17,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:52:17,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:52:17,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 82 [2024-11-22 17:52:17,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 56 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2024-11-22 17:52:17,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:52:17,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 82 [2024-11-22 17:52:17,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:52:17,656 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-22 17:52:17,657 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:52:17,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 47 events. 0/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2024-11-22 17:52:17,657 INFO L140 encePairwiseOnDemand]: 79/82 looper letters, 5 selfloop transitions, 2 changer transitions 0/47 dead transitions. [2024-11-22 17:52:17,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 47 transitions, 114 flow [2024-11-22 17:52:17,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:52:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:52:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2024-11-22 17:52:17,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8495934959349594 [2024-11-22 17:52:17,660 INFO L175 Difference]: Start difference. First operand has 66 places, 56 transitions, 118 flow. Second operand 3 states and 209 transitions. [2024-11-22 17:52:17,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 47 transitions, 114 flow [2024-11-22 17:52:17,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 47 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:52:17,662 INFO L231 Difference]: Finished difference. Result has 52 places, 47 transitions, 100 flow [2024-11-22 17:52:17,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=52, PETRI_TRANSITIONS=47} [2024-11-22 17:52:17,663 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -20 predicate places. [2024-11-22 17:52:17,663 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 47 transitions, 100 flow [2024-11-22 17:52:17,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2024-11-22 17:52:17,664 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:52:17,664 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] [2024-11-22 17:52:17,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:52:17,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2024-11-22 17:52:17,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:52:17,665 INFO L85 PathProgramCache]: Analyzing trace with hash -904519634, now seen corresponding path program 1 times [2024-11-22 17:52:17,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:52:17,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292452839] [2024-11-22 17:52:17,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:52:17,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:52:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:52:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:52:17,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:52:17,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292452839] [2024-11-22 17:52:17,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292452839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:52:17,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:52:17,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:52:17,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269685330] [2024-11-22 17:52:17,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:52:17,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:52:17,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:52:17,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:52:17,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:52:17,780 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 82 [2024-11-22 17:52:17,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 47 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2024-11-22 17:52:17,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:52:17,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 82 [2024-11-22 17:52:17,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:52:17,806 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-22 17:52:17,806 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:52:17,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/47 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2024-11-22 17:52:17,807 INFO L140 encePairwiseOnDemand]: 80/82 looper letters, 0 selfloop transitions, 0 changer transitions 46/46 dead transitions. [2024-11-22 17:52:17,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 46 transitions, 116 flow [2024-11-22 17:52:17,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:52:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:52:17,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2024-11-22 17:52:17,810 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7845528455284553 [2024-11-22 17:52:17,810 INFO L175 Difference]: Start difference. First operand has 52 places, 47 transitions, 100 flow. Second operand 3 states and 193 transitions. [2024-11-22 17:52:17,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 46 transitions, 116 flow [2024-11-22 17:52:17,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 46 transitions, 112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:52:17,813 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2024-11-22 17:52:17,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2024-11-22 17:52:17,813 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -21 predicate places. [2024-11-22 17:52:17,814 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2024-11-22 17:52:17,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2024-11-22 17:52:17,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2024-11-22 17:52:17,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2024-11-22 17:52:17,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2024-11-22 17:52:17,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2024-11-22 17:52:17,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-22 17:52:17,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:52:17,824 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 17:52:17,828 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:52:17,830 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:52:17,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:52:17 BasicIcfg [2024-11-22 17:52:17,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:52:17,838 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:52:17,838 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:52:17,838 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:52:17,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:52:16" (3/4) ... [2024-11-22 17:52:17,841 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 17:52:17,844 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-22 17:52:17,847 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 17:52:17,847 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 17:52:17,847 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-22 17:52:17,847 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 17:52:17,922 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:52:17,923 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 17:52:17,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:52:17,924 INFO L158 Benchmark]: Toolchain (without parser) took 2095.05ms. Allocated memory is still 155.2MB. Free memory was 77.3MB in the beginning and 50.5MB in the end (delta: 26.8MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-22 17:52:17,924 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 124.6MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:52:17,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.00ms. Allocated memory is still 155.2MB. Free memory was 77.3MB in the beginning and 116.0MB in the end (delta: -38.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-22 17:52:17,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.50ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 113.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:52:17,925 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 155.2MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:52:17,929 INFO L158 Benchmark]: RCFGBuilder took 471.66ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 114.4MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 17:52:17,930 INFO L158 Benchmark]: TraceAbstraction took 920.39ms. Allocated memory is still 155.2MB. Free memory was 114.4MB in the beginning and 54.7MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-22 17:52:17,931 INFO L158 Benchmark]: Witness Printer took 84.97ms. Allocated memory is still 155.2MB. Free memory was 54.7MB in the beginning and 50.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 17:52:17,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 124.6MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.00ms. Allocated memory is still 155.2MB. Free memory was 77.3MB in the beginning and 116.0MB in the end (delta: -38.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.50ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 113.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 155.2MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.66ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 114.4MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 920.39ms. Allocated memory is still 155.2MB. Free memory was 114.4MB in the beginning and 54.7MB in the end (delta: 59.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 84.97ms. Allocated memory is still 155.2MB. Free memory was 54.7MB in the beginning and 50.5MB 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: 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 - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 25 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 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! [2024-11-22 17:52:17,957 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