./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.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 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:47:29,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:47:29,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:47:29,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:47:29,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:47:29,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:47:29,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:47:29,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:47:29,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:47:29,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:47:29,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:47:29,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:47:29,770 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:47:29,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:47:29,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:47:29,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:47:29,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:47:29,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:47:29,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:47:29,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:47:29,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:47:29,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:47:29,779 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:47:29,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:47:29,780 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:47:29,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:47:29,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:47:29,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:47:29,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:47:29,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:47:29,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:47:29,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:47:29,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:47:29,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:47:29,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:47:29,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:47:29,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:47:29,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:47:29,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:47:29,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:47:29,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:47:29,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 [2024-10-13 09:47:30,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:47:30,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:47:30,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:47:30,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:47:30,056 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:47:30,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2024-10-13 09:47:31,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:47:31,783 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:47:31,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2024-10-13 09:47:31,806 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02a141b3/6f0f14011e3c452fa843d083f71498c5/FLAG25a08977a [2024-10-13 09:47:31,823 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02a141b3/6f0f14011e3c452fa843d083f71498c5 [2024-10-13 09:47:31,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:47:31,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:47:31,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:47:31,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:47:31,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:47:31,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:47:31" (1/1) ... [2024-10-13 09:47:31,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130edcb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:31, skipping insertion in model container [2024-10-13 09:47:31,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:47:31" (1/1) ... [2024-10-13 09:47:31,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:47:32,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:47:32,442 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:47:32,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:47:32,592 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:47:32,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32 WrapperNode [2024-10-13 09:47:32,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:47:32,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:47:32,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:47:32,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:47:32,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,647 INFO L138 Inliner]: procedures = 364, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-10-13 09:47:32,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:47:32,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:47:32,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:47:32,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:47:32,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:47:32,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:47:32,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:47:32,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:47:32,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (1/1) ... [2024-10-13 09:47:32,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:47:32,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:47:32,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:47:32,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:47:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:47:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:47:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2024-10-13 09:47:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2024-10-13 09:47:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:47:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:47:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:47:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:47:32,756 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:47:32,895 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:47:32,899 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:47:33,080 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:47:33,080 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:47:33,134 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:47:33,136 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 09:47:33,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:47:33 BoogieIcfgContainer [2024-10-13 09:47:33,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:47:33,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:47:33,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:47:33,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:47:33,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:47:31" (1/3) ... [2024-10-13 09:47:33,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe04ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:47:33, skipping insertion in model container [2024-10-13 09:47:33,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:47:32" (2/3) ... [2024-10-13 09:47:33,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe04ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:47:33, skipping insertion in model container [2024-10-13 09:47:33,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:47:33" (3/3) ... [2024-10-13 09:47:33,162 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2024-10-13 09:47:33,178 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:47:33,178 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 09:47:33,178 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:47:33,227 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-13 09:47:33,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 105 transitions, 217 flow [2024-10-13 09:47:33,326 INFO L124 PetriNetUnfolderBase]: 8/104 cut-off events. [2024-10-13 09:47:33,327 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:47:33,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 8/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2024-10-13 09:47:33,333 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 105 transitions, 217 flow [2024-10-13 09:47:33,339 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 96 transitions, 198 flow [2024-10-13 09:47:33,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:47:33,354 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;@4b48c649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:47:33,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-10-13 09:47:33,367 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:47:33,367 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-10-13 09:47:33,367 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:47:33,367 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:47:33,368 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:47:33,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:47:33,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:47:33,374 INFO L85 PathProgramCache]: Analyzing trace with hash -2072614522, now seen corresponding path program 1 times [2024-10-13 09:47:33,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:47:33,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411023742] [2024-10-13 09:47:33,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:47:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:47:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:47:33,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:47:33,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:47:33,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411023742] [2024-10-13 09:47:33,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411023742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:47:33,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:47:33,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 09:47:33,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144853692] [2024-10-13 09:47:33,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:47:33,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 09:47:33,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:47:33,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 09:47:33,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 09:47:33,618 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 105 [2024-10-13 09:47:33,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 96 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:47:33,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:47:33,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 105 [2024-10-13 09:47:33,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:47:33,663 INFO L124 PetriNetUnfolderBase]: 5/98 cut-off events. [2024-10-13 09:47:33,663 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-13 09:47:33,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 98 events. 5/98 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 2 based on Foata normal form. 10/100 useless extension candidates. Maximal degree in co-relation 64. Up to 11 conditions per place. [2024-10-13 09:47:33,668 INFO L140 encePairwiseOnDemand]: 95/105 looper letters, 5 selfloop transitions, 0 changer transitions 3/83 dead transitions. [2024-10-13 09:47:33,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 83 transitions, 182 flow [2024-10-13 09:47:33,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 09:47:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-13 09:47:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 189 transitions. [2024-10-13 09:47:33,684 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9 [2024-10-13 09:47:33,687 INFO L175 Difference]: Start difference. First operand has 92 places, 96 transitions, 198 flow. Second operand 2 states and 189 transitions. [2024-10-13 09:47:33,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 83 transitions, 182 flow [2024-10-13 09:47:33,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 83 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:47:33,697 INFO L231 Difference]: Finished difference. Result has 84 places, 80 transitions, 162 flow [2024-10-13 09:47:33,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=162, PETRI_PLACES=84, PETRI_TRANSITIONS=80} [2024-10-13 09:47:33,705 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, -8 predicate places. [2024-10-13 09:47:33,709 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 80 transitions, 162 flow [2024-10-13 09:47:33,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:47:33,709 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:47:33,709 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] [2024-10-13 09:47:33,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:47:33,710 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:47:33,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:47:33,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1023075160, now seen corresponding path program 1 times [2024-10-13 09:47:33,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:47:33,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383368531] [2024-10-13 09:47:33,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:47:33,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:47:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:47:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:47:33,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:47:33,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383368531] [2024-10-13 09:47:33,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383368531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:47:33,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:47:33,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 09:47:33,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74738475] [2024-10-13 09:47:33,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:47:33,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:47:33,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:47:33,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:47:33,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:47:33,915 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 105 [2024-10-13 09:47:33,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 80 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:47:33,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:47:33,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 105 [2024-10-13 09:47:33,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:47:33,972 INFO L124 PetriNetUnfolderBase]: 11/119 cut-off events. [2024-10-13 09:47:33,973 INFO L125 PetriNetUnfolderBase]: For 1/8 co-relation queries the response was YES. [2024-10-13 09:47:33,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 119 events. 11/119 cut-off events. For 1/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 256 event pairs, 5 based on Foata normal form. 3/113 useless extension candidates. Maximal degree in co-relation 149. Up to 21 conditions per place. [2024-10-13 09:47:33,976 INFO L140 encePairwiseOnDemand]: 102/105 looper letters, 11 selfloop transitions, 2 changer transitions 0/84 dead transitions. [2024-10-13 09:47:33,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 84 transitions, 196 flow [2024-10-13 09:47:33,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:47:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:47:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2024-10-13 09:47:33,981 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.834920634920635 [2024-10-13 09:47:33,983 INFO L175 Difference]: Start difference. First operand has 84 places, 80 transitions, 162 flow. Second operand 3 states and 263 transitions. [2024-10-13 09:47:33,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 84 transitions, 196 flow [2024-10-13 09:47:33,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 84 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:47:33,988 INFO L231 Difference]: Finished difference. Result has 84 places, 81 transitions, 174 flow [2024-10-13 09:47:33,989 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=84, PETRI_TRANSITIONS=81} [2024-10-13 09:47:33,990 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, -8 predicate places. [2024-10-13 09:47:33,990 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 81 transitions, 174 flow [2024-10-13 09:47:33,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:47:33,991 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:47:33,991 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] [2024-10-13 09:47:33,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:47:33,992 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:47:33,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:47:33,993 INFO L85 PathProgramCache]: Analyzing trace with hash 766406094, now seen corresponding path program 1 times [2024-10-13 09:47:33,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:47:33,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959262011] [2024-10-13 09:47:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:47:33,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:47:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:47:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:47:34,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:47:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959262011] [2024-10-13 09:47:34,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959262011] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:47:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443314497] [2024-10-13 09:47:34,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:47:34,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:47:34,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:47:34,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 09:47:34,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 09:47:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:47:34,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 09:47:34,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:47:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 09:47:34,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 09:47:34,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443314497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:47:34,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 09:47:34,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-13 09:47:34,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555442391] [2024-10-13 09:47:34,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:47:34,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:47:34,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:47:34,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:47:34,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:47:34,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 105 [2024-10-13 09:47:34,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 81 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:47:34,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:47:34,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 105 [2024-10-13 09:47:34,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:47:34,407 INFO L124 PetriNetUnfolderBase]: 29/189 cut-off events. [2024-10-13 09:47:34,407 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 09:47:34,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 189 events. 29/189 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 509 event pairs, 12 based on Foata normal form. 5/190 useless extension candidates. Maximal degree in co-relation 265. Up to 41 conditions per place. [2024-10-13 09:47:34,409 INFO L140 encePairwiseOnDemand]: 102/105 looper letters, 12 selfloop transitions, 2 changer transitions 0/85 dead transitions. [2024-10-13 09:47:34,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 85 transitions, 210 flow [2024-10-13 09:47:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:47:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:47:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2024-10-13 09:47:34,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.819047619047619 [2024-10-13 09:47:34,412 INFO L175 Difference]: Start difference. First operand has 84 places, 81 transitions, 174 flow. Second operand 3 states and 258 transitions. [2024-10-13 09:47:34,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 85 transitions, 210 flow [2024-10-13 09:47:34,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 85 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:47:34,415 INFO L231 Difference]: Finished difference. Result has 86 places, 82 transitions, 184 flow [2024-10-13 09:47:34,415 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=86, PETRI_TRANSITIONS=82} [2024-10-13 09:47:34,416 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, -6 predicate places. [2024-10-13 09:47:34,416 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 82 transitions, 184 flow [2024-10-13 09:47:34,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:47:34,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:47:34,417 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:47:34,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 09:47:34,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:47:34,622 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-10-13 09:47:34,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:47:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1509933923, now seen corresponding path program 1 times [2024-10-13 09:47:34,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:47:34,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30680837] [2024-10-13 09:47:34,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:47:34,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:47:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:47:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 09:47:34,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:47:34,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30680837] [2024-10-13 09:47:34,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30680837] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 09:47:34,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510007597] [2024-10-13 09:47:34,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:47:34,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 09:47:34,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:47:34,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 09:47:34,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 09:47:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:47:34,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 09:47:34,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 09:47:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 09:47:34,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 09:47:34,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510007597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:47:34,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 09:47:34,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-13 09:47:34,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106654308] [2024-10-13 09:47:34,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:47:34,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:47:34,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:47:34,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:47:34,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:47:34,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 105 [2024-10-13 09:47:34,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 82 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:47:34,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:47:34,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 105 [2024-10-13 09:47:34,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:47:34,912 INFO L124 PetriNetUnfolderBase]: 16/156 cut-off events. [2024-10-13 09:47:34,916 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 09:47:34,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 156 events. 16/156 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 356 event pairs, 6 based on Foata normal form. 1/154 useless extension candidates. Maximal degree in co-relation 213. Up to 25 conditions per place. [2024-10-13 09:47:34,917 INFO L140 encePairwiseOnDemand]: 99/105 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2024-10-13 09:47:34,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 82 transitions, 204 flow [2024-10-13 09:47:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:47:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:47:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2024-10-13 09:47:34,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2024-10-13 09:47:34,920 INFO L175 Difference]: Start difference. First operand has 86 places, 82 transitions, 184 flow. Second operand 3 states and 255 transitions. [2024-10-13 09:47:34,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 82 transitions, 204 flow [2024-10-13 09:47:34,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 82 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:47:34,923 INFO L231 Difference]: Finished difference. Result has 85 places, 0 transitions, 0 flow [2024-10-13 09:47:34,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=85, PETRI_TRANSITIONS=0} [2024-10-13 09:47:34,924 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, -7 predicate places. [2024-10-13 09:47:34,925 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 0 transitions, 0 flow [2024-10-13 09:47:34,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:47:34,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-10-13 09:47:34,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-10-13 09:47:34,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-10-13 09:47:34,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-10-13 09:47:34,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-10-13 09:47:34,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-10-13 09:47:34,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-10-13 09:47:34,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-10-13 09:47:34,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-10-13 09:47:34,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 09:47:35,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-13 09:47:35,135 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-13 09:47:35,141 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:47:35,142 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:47:35,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:47:35 BasicIcfg [2024-10-13 09:47:35,146 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:47:35,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:47:35,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:47:35,147 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:47:35,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:47:33" (3/4) ... [2024-10-13 09:47:35,149 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:47:35,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_datarace [2024-10-13 09:47:35,155 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-10-13 09:47:35,155 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 09:47:35,155 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:47:35,155 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:47:35,246 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:47:35,247 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:47:35,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:47:35,247 INFO L158 Benchmark]: Toolchain (without parser) took 3419.27ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 105.3MB in the beginning and 162.6MB in the end (delta: -57.3MB). Peak memory consumption was 545.7kB. Max. memory is 16.1GB. [2024-10-13 09:47:35,248 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 126.7MB in the end (delta: 178.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:47:35,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.29ms. Allocated memory is still 163.6MB. Free memory was 105.3MB in the beginning and 64.6MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-13 09:47:35,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.16ms. Allocated memory is still 163.6MB. Free memory was 64.6MB in the beginning and 61.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:47:35,248 INFO L158 Benchmark]: Boogie Preprocessor took 33.97ms. Allocated memory is still 163.6MB. Free memory was 61.8MB in the beginning and 60.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:47:35,249 INFO L158 Benchmark]: RCFGBuilder took 453.79ms. Allocated memory is still 163.6MB. Free memory was 60.6MB in the beginning and 129.0MB in the end (delta: -68.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-10-13 09:47:35,249 INFO L158 Benchmark]: TraceAbstraction took 1994.88ms. Allocated memory is still 220.2MB. Free memory was 187.3MB in the beginning and 167.7MB in the end (delta: 19.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-10-13 09:47:35,249 INFO L158 Benchmark]: Witness Printer took 99.79ms. Allocated memory is still 220.2MB. Free memory was 166.8MB in the beginning and 162.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:47:35,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 126.7MB in the end (delta: 178.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.29ms. Allocated memory is still 163.6MB. Free memory was 105.3MB in the beginning and 64.6MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.16ms. Allocated memory is still 163.6MB. Free memory was 64.6MB in the beginning and 61.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.97ms. Allocated memory is still 163.6MB. Free memory was 61.8MB in the beginning and 60.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.79ms. Allocated memory is still 163.6MB. Free memory was 60.6MB in the beginning and 129.0MB in the end (delta: -68.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1994.88ms. Allocated memory is still 220.2MB. Free memory was 187.3MB in the beginning and 167.7MB in the end (delta: 19.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 99.79ms. Allocated memory is still 220.2MB. Free memory was 166.8MB in the beginning and 162.6MB 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: 1355]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1355]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1362]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1363]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1328]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1333]: 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, 117 locations, 9 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: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 16 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.5s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4/6 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:47:35,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE