./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/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 0.3.0-?-8fc3dc6-m [2025-03-17 11:02:12,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:02:12,317 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:02:12,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:02:12,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:02:12,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:02:12,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:02:12,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:02:12,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:02:12,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:02:12,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:02:12,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:02:12,347 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:02:12,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:02:12,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:02:12,348 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:02:12,349 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:02:12,349 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:02:12,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:02:12,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:02:12,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:02:12,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:02:12,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-17 11:02:12,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:02:12,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:02:12,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:02:12,603 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:02:12,603 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:02:12,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2025-03-17 11:02:13,830 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f6e3122/633e9f1543854b34afee7c1c43bdd8aa/FLAGbe9ec919d [2025-03-17 11:02:14,114 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:02:14,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2025-03-17 11:02:14,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f6e3122/633e9f1543854b34afee7c1c43bdd8aa/FLAGbe9ec919d [2025-03-17 11:02:14,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f6e3122/633e9f1543854b34afee7c1c43bdd8aa [2025-03-17 11:02:14,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:02:14,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:02:14,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:02:14,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:02:14,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:02:14,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a48582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14, skipping insertion in model container [2025-03-17 11:02:14,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:02:14,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:02:14,501 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:02:14,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:02:14,585 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:02:14,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14 WrapperNode [2025-03-17 11:02:14,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:02:14,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:02:14,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:02:14,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:02:14,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,631 INFO L138 Inliner]: procedures = 364, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 123 [2025-03-17 11:02:14,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:02:14,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:02:14,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:02:14,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:02:14,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,644 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:02:14,655 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:02:14,655 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:02:14,655 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:02:14,656 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (1/1) ... [2025-03-17 11:02:14,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:02:14,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:02:14,684 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) [2025-03-17 11:02:14,686 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 [2025-03-17 11:02:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-17 11:02:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-17 11:02:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2025-03-17 11:02:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2025-03-17 11:02:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:02:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:02:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:02:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:02:14,703 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:02:14,804 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:02:14,805 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:02:14,967 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:02:14,968 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:02:14,995 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:02:14,995 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:02:14,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:02:14 BoogieIcfgContainer [2025-03-17 11:02:14,995 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:02:14,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:02:14,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:02:15,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:02:15,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:02:14" (1/3) ... [2025-03-17 11:02:15,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7bfcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:02:15, skipping insertion in model container [2025-03-17 11:02:15,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:02:14" (2/3) ... [2025-03-17 11:02:15,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7bfcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:02:15, skipping insertion in model container [2025-03-17 11:02:15,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:02:14" (3/3) ... [2025-03-17 11:02:15,006 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2025-03-17 11:02:15,023 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:02:15,024 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-3.i that has 2 procedures, 145 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2025-03-17 11:02:15,024 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:02:15,070 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-17 11:02:15,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 150 transitions, 307 flow [2025-03-17 11:02:15,148 INFO L124 PetriNetUnfolderBase]: 6/149 cut-off events. [2025-03-17 11:02:15,150 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 11:02:15,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 149 events. 6/149 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2025-03-17 11:02:15,156 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 150 transitions, 307 flow [2025-03-17 11:02:15,159 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 141 transitions, 288 flow [2025-03-17 11:02:15,165 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:02:15,175 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;@6273c653, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:02:15,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-03-17 11:02:15,194 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:02:15,196 INFO L124 PetriNetUnfolderBase]: 1/88 cut-off events. [2025-03-17 11:02:15,196 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:02:15,196 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:15,197 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:02:15,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:15,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:15,202 INFO L85 PathProgramCache]: Analyzing trace with hash -865370251, now seen corresponding path program 1 times [2025-03-17 11:02:15,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:15,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322327468] [2025-03-17 11:02:15,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:15,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:15,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 11:02:15,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 11:02:15,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:15,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:02:15,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322327468] [2025-03-17 11:02:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322327468] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:15,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:02:15,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 11:02:15,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379098152] [2025-03-17 11:02:15,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:15,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 11:02:15,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:15,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 11:02:15,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:02:15,477 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 150 [2025-03-17 11:02:15,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 141 transitions, 288 flow. Second operand has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 states have internal predecessors, (270), 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) [2025-03-17 11:02:15,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:15,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 150 [2025-03-17 11:02:15,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:15,519 INFO L124 PetriNetUnfolderBase]: 5/145 cut-off events. [2025-03-17 11:02:15,519 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2025-03-17 11:02:15,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 145 events. 5/145 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 119 event pairs, 2 based on Foata normal form. 6/143 useless extension candidates. Maximal degree in co-relation 64. Up to 11 conditions per place. [2025-03-17 11:02:15,521 INFO L140 encePairwiseOnDemand]: 142/150 looper letters, 5 selfloop transitions, 0 changer transitions 3/130 dead transitions. [2025-03-17 11:02:15,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 130 transitions, 276 flow [2025-03-17 11:02:15,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 11:02:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-17 11:02:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 281 transitions. [2025-03-17 11:02:15,530 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9366666666666666 [2025-03-17 11:02:15,532 INFO L175 Difference]: Start difference. First operand has 139 places, 141 transitions, 288 flow. Second operand 2 states and 281 transitions. [2025-03-17 11:02:15,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 130 transitions, 276 flow [2025-03-17 11:02:15,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 130 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:02:15,539 INFO L231 Difference]: Finished difference. Result has 131 places, 127 transitions, 256 flow [2025-03-17 11:02:15,541 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=256, PETRI_PLACES=131, PETRI_TRANSITIONS=127} [2025-03-17 11:02:15,543 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, -8 predicate places. [2025-03-17 11:02:15,544 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 127 transitions, 256 flow [2025-03-17 11:02:15,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 states have internal predecessors, (270), 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) [2025-03-17 11:02:15,544 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:15,544 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:02:15,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:02:15,544 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:15,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:15,545 INFO L85 PathProgramCache]: Analyzing trace with hash -2077924270, now seen corresponding path program 1 times [2025-03-17 11:02:15,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:15,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048686951] [2025-03-17 11:02:15,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:15,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:15,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 11:02:15,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 11:02:15,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:15,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:02:15,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:15,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048686951] [2025-03-17 11:02:15,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048686951] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:15,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:02:15,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:02:15,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270283035] [2025-03-17 11:02:15,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:15,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:02:15,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:15,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:02:15,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:02:15,738 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 150 [2025-03-17 11:02:15,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 127 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2025-03-17 11:02:15,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:15,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 150 [2025-03-17 11:02:15,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:15,786 INFO L124 PetriNetUnfolderBase]: 11/166 cut-off events. [2025-03-17 11:02:15,787 INFO L125 PetriNetUnfolderBase]: For 1/8 co-relation queries the response was YES. [2025-03-17 11:02:15,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 166 events. 11/166 cut-off events. For 1/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 253 event pairs, 5 based on Foata normal form. 3/160 useless extension candidates. Maximal degree in co-relation 196. Up to 21 conditions per place. [2025-03-17 11:02:15,789 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 11 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2025-03-17 11:02:15,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 131 transitions, 290 flow [2025-03-17 11:02:15,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:02:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:02:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 404 transitions. [2025-03-17 11:02:15,792 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8977777777777778 [2025-03-17 11:02:15,792 INFO L175 Difference]: Start difference. First operand has 131 places, 127 transitions, 256 flow. Second operand 3 states and 404 transitions. [2025-03-17 11:02:15,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 131 transitions, 290 flow [2025-03-17 11:02:15,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 131 transitions, 290 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:02:15,797 INFO L231 Difference]: Finished difference. Result has 131 places, 128 transitions, 268 flow [2025-03-17 11:02:15,798 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=131, PETRI_TRANSITIONS=128} [2025-03-17 11:02:15,798 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, -8 predicate places. [2025-03-17 11:02:15,798 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 128 transitions, 268 flow [2025-03-17 11:02:15,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2025-03-17 11:02:15,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:15,799 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:02:15,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:02:15,799 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:15,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:15,800 INFO L85 PathProgramCache]: Analyzing trace with hash 593849185, now seen corresponding path program 1 times [2025-03-17 11:02:15,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:15,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327391772] [2025-03-17 11:02:15,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:15,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:15,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 11:02:15,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 11:02:15,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:15,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:02:15,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:15,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327391772] [2025-03-17 11:02:15,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327391772] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 11:02:15,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509617874] [2025-03-17 11:02:15,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:15,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:02:15,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:02:15,988 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) [2025-03-17 11:02:15,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 11:02:16,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 11:02:16,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 11:02:16,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:16,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:16,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 11:02:16,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:02:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 11:02:16,122 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:02:16,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509617874] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:16,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 11:02:16,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-17 11:02:16,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102882304] [2025-03-17 11:02:16,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:16,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:02:16,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:16,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:02:16,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:02:16,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2025-03-17 11:02:16,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 128 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2025-03-17 11:02:16,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:16,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2025-03-17 11:02:16,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:16,192 INFO L124 PetriNetUnfolderBase]: 29/236 cut-off events. [2025-03-17 11:02:16,194 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 11:02:16,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 236 events. 29/236 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. 5/236 useless extension candidates. Maximal degree in co-relation 312. Up to 41 conditions per place. [2025-03-17 11:02:16,196 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 12 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2025-03-17 11:02:16,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 132 transitions, 304 flow [2025-03-17 11:02:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:02:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:02:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2025-03-17 11:02:16,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8866666666666667 [2025-03-17 11:02:16,198 INFO L175 Difference]: Start difference. First operand has 131 places, 128 transitions, 268 flow. Second operand 3 states and 399 transitions. [2025-03-17 11:02:16,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 132 transitions, 304 flow [2025-03-17 11:02:16,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 132 transitions, 302 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:02:16,202 INFO L231 Difference]: Finished difference. Result has 133 places, 129 transitions, 278 flow [2025-03-17 11:02:16,202 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=133, PETRI_TRANSITIONS=129} [2025-03-17 11:02:16,204 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, -6 predicate places. [2025-03-17 11:02:16,204 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 129 transitions, 278 flow [2025-03-17 11:02:16,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2025-03-17 11:02:16,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:02:16,205 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:02:16,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 11:02:16,405 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 [2025-03-17 11:02:16,406 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-17 11:02:16,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:02:16,406 INFO L85 PathProgramCache]: Analyzing trace with hash 376383696, now seen corresponding path program 1 times [2025-03-17 11:02:16,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:02:16,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096821395] [2025-03-17 11:02:16,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:02:16,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 11:02:16,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 11:02:16,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:16,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:16,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 11:02:16,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:02:16,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096821395] [2025-03-17 11:02:16,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096821395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 11:02:16,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839242598] [2025-03-17 11:02:16,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:02:16,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:02:16,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:02:16,563 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) [2025-03-17 11:02:16,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 11:02:16,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 11:02:16,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 11:02:16,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:02:16,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:02:16,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 11:02:16,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:02:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 11:02:16,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 11:02:16,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839242598] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:02:16,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 11:02:16,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2025-03-17 11:02:16,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860147789] [2025-03-17 11:02:16,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:02:16,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:02:16,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:02:16,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:02:16,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:02:16,685 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2025-03-17 11:02:16,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 129 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2025-03-17 11:02:16,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:02:16,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2025-03-17 11:02:16,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:02:16,711 INFO L124 PetriNetUnfolderBase]: 16/203 cut-off events. [2025-03-17 11:02:16,711 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 11:02:16,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 203 events. 16/203 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 358 event pairs, 6 based on Foata normal form. 1/201 useless extension candidates. Maximal degree in co-relation 260. Up to 25 conditions per place. [2025-03-17 11:02:16,712 INFO L140 encePairwiseOnDemand]: 144/150 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions. [2025-03-17 11:02:16,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 129 transitions, 298 flow [2025-03-17 11:02:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:02:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:02:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2025-03-17 11:02:16,714 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.88 [2025-03-17 11:02:16,714 INFO L175 Difference]: Start difference. First operand has 133 places, 129 transitions, 278 flow. Second operand 3 states and 396 transitions. [2025-03-17 11:02:16,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 129 transitions, 298 flow [2025-03-17 11:02:16,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 129 transitions, 296 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:02:16,719 INFO L231 Difference]: Finished difference. Result has 132 places, 0 transitions, 0 flow [2025-03-17 11:02:16,719 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=132, PETRI_TRANSITIONS=0} [2025-03-17 11:02:16,720 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, -7 predicate places. [2025-03-17 11:02:16,720 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 0 transitions, 0 flow [2025-03-17 11:02:16,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2025-03-17 11:02:16,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-03-17 11:02:16,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-03-17 11:02:16,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-03-17 11:02:16,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-03-17 11:02:16,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-03-17 11:02:16,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-03-17 11:02:16,722 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-03-17 11:02:16,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-03-17 11:02:16,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-03-17 11:02:16,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 11:02:16,923 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 [2025-03-17 11:02:16,924 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-17 11:02:16,928 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 11:02:16,928 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 11:02:16,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:02:16 BasicIcfg [2025-03-17 11:02:16,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 11:02:16,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 11:02:16,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 11:02:16,934 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 11:02:16,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:02:14" (3/4) ... [2025-03-17 11:02:16,936 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 11:02:16,939 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread_function_datarace [2025-03-17 11:02:16,943 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-17 11:02:16,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-17 11:02:16,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-17 11:02:16,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 11:02:17,015 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 11:02:17,016 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 11:02:17,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 11:02:17,016 INFO L158 Benchmark]: Toolchain (without parser) took 2862.39ms. Allocated memory is still 201.3MB. Free memory was 152.7MB in the beginning and 129.0MB in the end (delta: 23.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2025-03-17 11:02:17,017 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 201.3MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:17,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.06ms. Allocated memory is still 201.3MB. Free memory was 152.7MB in the beginning and 115.1MB in the end (delta: 37.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-17 11:02:17,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.78ms. Allocated memory is still 201.3MB. Free memory was 115.1MB in the beginning and 113.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:17,017 INFO L158 Benchmark]: Boogie Preprocessor took 22.17ms. Allocated memory is still 201.3MB. Free memory was 113.1MB in the beginning and 111.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:17,017 INFO L158 Benchmark]: IcfgBuilder took 340.50ms. Allocated memory is still 201.3MB. Free memory was 111.8MB in the beginning and 93.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 11:02:17,017 INFO L158 Benchmark]: TraceAbstraction took 1935.93ms. Allocated memory is still 201.3MB. Free memory was 93.2MB in the beginning and 135.1MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:02:17,018 INFO L158 Benchmark]: Witness Printer took 82.19ms. Allocated memory is still 201.3MB. Free memory was 135.1MB in the beginning and 129.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 11:02:17,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 201.3MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.06ms. Allocated memory is still 201.3MB. Free memory was 152.7MB in the beginning and 115.1MB in the end (delta: 37.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.78ms. Allocated memory is still 201.3MB. Free memory was 115.1MB in the beginning and 113.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.17ms. Allocated memory is still 201.3MB. Free memory was 113.1MB in the beginning and 111.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 340.50ms. Allocated memory is still 201.3MB. Free memory was 111.8MB in the beginning and 93.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1935.93ms. Allocated memory is still 201.3MB. Free memory was 93.2MB in the beginning and 135.1MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.19ms. Allocated memory is still 201.3MB. Free memory was 135.1MB in the beginning and 129.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. 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, 164 locations, 170 edges, 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: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 10 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=288occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 418 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 11:02:17,030 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