./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-theta/unwind1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-theta/unwind1-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 369675afdce9f24a16d648c2af0379dafe84b15f75fb11d38697f731d0b5b69e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:47:22,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:47:22,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:47:22,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:47:22,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:47:22,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:47:22,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:47:22,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:47:22,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:47:22,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:47:22,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:47:22,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:47:22,885 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:47:22,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:47:22,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:47:22,885 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:47:22,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:47:22,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:47:22,886 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:47:22,886 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:47:22,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:47:22,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:47:22,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:47:22,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:47:22,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:47:22,890 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:47:22,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:47:22,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:47:22,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:47:22,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:47:22,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:47:22,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:47:22,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:47:22,890 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-jdk21/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 -> 369675afdce9f24a16d648c2af0379dafe84b15f75fb11d38697f731d0b5b69e [2025-02-08 05:47:23,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:47:23,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:47:23,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:47:23,187 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:47:23,187 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:47:23,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-theta/unwind1-1.i [2025-02-08 05:47:24,523 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a2d0769cd/d61d6b97d66d42188d09f3eb8e737917/FLAGec4dbbc94 [2025-02-08 05:47:24,922 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:47:24,922 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-theta/unwind1-1.i [2025-02-08 05:47:24,944 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a2d0769cd/d61d6b97d66d42188d09f3eb8e737917/FLAGec4dbbc94 [2025-02-08 05:47:24,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a2d0769cd/d61d6b97d66d42188d09f3eb8e737917 [2025-02-08 05:47:24,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:47:24,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:47:24,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:47:24,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:47:24,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:47:24,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:47:24" (1/1) ... [2025-02-08 05:47:24,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ae757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:24, skipping insertion in model container [2025-02-08 05:47:24,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:47:24" (1/1) ... [2025-02-08 05:47:25,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:47:25,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:47:25,306 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:47:25,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:47:25,394 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:47:25,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25 WrapperNode [2025-02-08 05:47:25,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:47:25,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:47:25,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:47:25,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:47:25,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,435 INFO L138 Inliner]: procedures = 169, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2025-02-08 05:47:25,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:47:25,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:47:25,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:47:25,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:47:25,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:47:25,464 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:47:25,464 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:47:25,464 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:47:25,465 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (1/1) ... [2025-02-08 05:47:25,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:47:25,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:47:25,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:47:25,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:47:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:47:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-02-08 05:47:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-02-08 05:47:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-02-08 05:47:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-02-08 05:47:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:47:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:47:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:47:25,538 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:47:25,633 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:47:25,635 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:47:25,782 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:47:25,783 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:47:25,796 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:47:25,797 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:47:25,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:47:25 BoogieIcfgContainer [2025-02-08 05:47:25,797 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:47:25,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:47:25,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:47:25,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:47:25,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:47:24" (1/3) ... [2025-02-08 05:47:25,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3810d849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:47:25, skipping insertion in model container [2025-02-08 05:47:25,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:47:25" (2/3) ... [2025-02-08 05:47:25,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3810d849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:47:25, skipping insertion in model container [2025-02-08 05:47:25,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:47:25" (3/3) ... [2025-02-08 05:47:25,805 INFO L128 eAbstractionObserver]: Analyzing ICFG unwind1-1.i [2025-02-08 05:47:25,818 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:47:25,821 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unwind1-1.i that has 3 procedures, 97 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-02-08 05:47:25,823 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:47:25,887 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 05:47:25,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 218 flow [2025-02-08 05:47:25,975 INFO L124 PetriNetUnfolderBase]: 6/100 cut-off events. [2025-02-08 05:47:25,979 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 05:47:25,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 100 events. 6/100 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 117 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2025-02-08 05:47:25,986 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 102 transitions, 218 flow [2025-02-08 05:47:25,990 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 95 transitions, 199 flow [2025-02-08 05:47:25,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:47:26,008 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;@2cfe0856, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:47:26,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2025-02-08 05:47:26,014 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:47:26,014 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2025-02-08 05:47:26,014 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:47:26,014 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:47:26,015 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:47:26,015 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-02-08 05:47:26,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:47:26,024 INFO L85 PathProgramCache]: Analyzing trace with hash 340459367, now seen corresponding path program 1 times [2025-02-08 05:47:26,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:47:26,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089148566] [2025-02-08 05:47:26,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:47:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:47:26,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 05:47:26,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 05:47:26,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:47:26,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:47:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:47:26,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:47:26,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089148566] [2025-02-08 05:47:26,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089148566] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:47:26,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:47:26,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:47:26,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968539671] [2025-02-08 05:47:26,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:47:26,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:47:26,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:47:26,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:47:26,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:47:26,320 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 102 [2025-02-08 05:47:26,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 95 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2025-02-08 05:47:26,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:47:26,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 102 [2025-02-08 05:47:26,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:47:26,407 INFO L124 PetriNetUnfolderBase]: 15/180 cut-off events. [2025-02-08 05:47:26,408 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-02-08 05:47:26,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 180 events. 15/180 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 572 event pairs, 7 based on Foata normal form. 9/169 useless extension candidates. Maximal degree in co-relation 166. Up to 30 conditions per place. [2025-02-08 05:47:26,414 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 13 selfloop transitions, 2 changer transitions 1/89 dead transitions. [2025-02-08 05:47:26,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 89 transitions, 217 flow [2025-02-08 05:47:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:47:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:47:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2025-02-08 05:47:26,430 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8464052287581699 [2025-02-08 05:47:26,432 INFO L175 Difference]: Start difference. First operand has 96 places, 95 transitions, 199 flow. Second operand 3 states and 259 transitions. [2025-02-08 05:47:26,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 89 transitions, 217 flow [2025-02-08 05:47:26,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 89 transitions, 212 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-08 05:47:26,461 INFO L231 Difference]: Finished difference. Result has 92 places, 88 transitions, 184 flow [2025-02-08 05:47:26,464 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=92, PETRI_TRANSITIONS=88} [2025-02-08 05:47:26,467 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -4 predicate places. [2025-02-08 05:47:26,467 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 184 flow [2025-02-08 05:47:26,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2025-02-08 05:47:26,468 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:47:26,468 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:47:26,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:47:26,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-02-08 05:47:26,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:47:26,469 INFO L85 PathProgramCache]: Analyzing trace with hash -2087661079, now seen corresponding path program 1 times [2025-02-08 05:47:26,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:47:26,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793329145] [2025-02-08 05:47:26,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:47:26,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:47:26,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 05:47:26,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 05:47:26,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:47:26,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:47:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:47:26,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:47:26,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793329145] [2025-02-08 05:47:26,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793329145] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:47:26,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:47:26,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:47:26,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555883816] [2025-02-08 05:47:26,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:47:26,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:47:26,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:47:26,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:47:26,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:47:26,576 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 102 [2025-02-08 05:47:26,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2025-02-08 05:47:26,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:47:26,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 102 [2025-02-08 05:47:26,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:47:26,630 INFO L124 PetriNetUnfolderBase]: 25/214 cut-off events. [2025-02-08 05:47:26,630 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-08 05:47:26,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 214 events. 25/214 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 790 event pairs, 17 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 264. Up to 52 conditions per place. [2025-02-08 05:47:26,632 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 0 selfloop transitions, 0 changer transitions 83/83 dead transitions. [2025-02-08 05:47:26,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 83 transitions, 206 flow [2025-02-08 05:47:26,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:47:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:47:26,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2025-02-08 05:47:26,634 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8137254901960784 [2025-02-08 05:47:26,634 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 184 flow. Second operand 3 states and 249 transitions. [2025-02-08 05:47:26,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 83 transitions, 206 flow [2025-02-08 05:47:26,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 83 transitions, 202 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:47:26,636 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2025-02-08 05:47:26,636 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=84, 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=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2025-02-08 05:47:26,637 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -10 predicate places. [2025-02-08 05:47:26,637 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2025-02-08 05:47:26,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2025-02-08 05:47:26,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2025-02-08 05:47:26,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2025-02-08 05:47:26,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2025-02-08 05:47:26,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2025-02-08 05:47:26,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2025-02-08 05:47:26,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2025-02-08 05:47:26,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2025-02-08 05:47:26,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2025-02-08 05:47:26,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2025-02-08 05:47:26,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2025-02-08 05:47:26,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2025-02-08 05:47:26,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:47:26,642 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 05:47:26,648 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:47:26,648 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:47:26,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:47:26 BasicIcfg [2025-02-08 05:47:26,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:47:26,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:47:26,659 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:47:26,659 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:47:26,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:47:25" (3/4) ... [2025-02-08 05:47:26,662 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:47:26,665 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure f1 [2025-02-08 05:47:26,665 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure f2 [2025-02-08 05:47:26,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-08 05:47:26,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 05:47:26,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:47:26,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:47:26,725 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:47:26,726 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:47:26,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:47:26,726 INFO L158 Benchmark]: Toolchain (without parser) took 1754.17ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 87.8MB in the end (delta: 21.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2025-02-08 05:47:26,727 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:47:26,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.43ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 89.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:47:26,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.17ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 87.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:47:26,727 INFO L158 Benchmark]: Boogie Preprocessor took 23.01ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 87.1MB in the end (delta: 866.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:47:26,727 INFO L158 Benchmark]: IcfgBuilder took 333.16ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 72.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:47:26,728 INFO L158 Benchmark]: TraceAbstraction took 858.89ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 93.3MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:47:26,728 INFO L158 Benchmark]: Witness Printer took 67.11ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 87.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:47:26,729 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 201.3MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.43ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 89.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.17ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 87.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.01ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 87.1MB in the end (delta: 866.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 333.16ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 72.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 858.89ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 93.3MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.11ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 87.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 768]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 142 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 27 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:47:26,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE