./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 c00e63dc 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-?-c00e63d-m [2025-02-06 09:39:07,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:39:07,572 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:39:07,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:39:07,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:39:07,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:39:07,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:39:07,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:39:07,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:39:07,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:39:07,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:39:07,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:39:07,602 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:39:07,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:39:07,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:39:07,603 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:39:07,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:39:07,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:39:07,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:39:07,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:39:07,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:39:07,604 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:39:07,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:39:07,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:39:07,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:39:07,605 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:39:07,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:39:07,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:39:07,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:39:07,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:39:07,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:39:07,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:39:07,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:39:07,606 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 [2025-02-06 09:39:07,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:39:07,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:39:07,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:39:07,907 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:39:07,908 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:39:07,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-theta/unwind1-1.i [2025-02-06 09:39:09,087 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbc866a2f/45f7f209ea44477299fee26013e079a6/FLAG42de45bc7 [2025-02-06 09:39:09,444 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:39:09,445 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-theta/unwind1-1.i [2025-02-06 09:39:09,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbc866a2f/45f7f209ea44477299fee26013e079a6/FLAG42de45bc7 [2025-02-06 09:39:09,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbc866a2f/45f7f209ea44477299fee26013e079a6 [2025-02-06 09:39:09,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:39:09,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:39:09,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:39:09,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:39:09,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:39:09,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:39:09" (1/1) ... [2025-02-06 09:39:09,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b86135f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:09, skipping insertion in model container [2025-02-06 09:39:09,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:39:09" (1/1) ... [2025-02-06 09:39:09,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:39:09,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:39:09,958 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:39:10,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:39:10,036 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:39:10,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10 WrapperNode [2025-02-06 09:39:10,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:39:10,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:39:10,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:39:10,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:39:10,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,066 INFO L138 Inliner]: procedures = 169, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2025-02-06 09:39:10,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:39:10,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:39:10,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:39:10,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:39:10,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:39:10,086 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:39:10,086 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:39:10,086 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:39:10,087 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (1/1) ... [2025-02-06 09:39:10,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:39:10,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:39:10,136 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) [2025-02-06 09:39:10,139 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 [2025-02-06 09:39:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:39:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-02-06 09:39:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-02-06 09:39:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-02-06 09:39:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-02-06 09:39:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:39:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:39:10,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:39:10,164 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:39:10,247 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:39:10,249 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:39:10,345 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:39:10,345 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:39:10,366 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:39:10,367 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:39:10,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:39:10 BoogieIcfgContainer [2025-02-06 09:39:10,367 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:39:10,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:39:10,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:39:10,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:39:10,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:39:09" (1/3) ... [2025-02-06 09:39:10,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209fe5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:39:10, skipping insertion in model container [2025-02-06 09:39:10,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:39:10" (2/3) ... [2025-02-06 09:39:10,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209fe5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:39:10, skipping insertion in model container [2025-02-06 09:39:10,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:39:10" (3/3) ... [2025-02-06 09:39:10,375 INFO L128 eAbstractionObserver]: Analyzing ICFG unwind1-1.i [2025-02-06 09:39:10,385 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:39:10,387 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. [2025-02-06 09:39:10,388 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:39:10,451 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:39:10,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 218 flow [2025-02-06 09:39:10,530 INFO L124 PetriNetUnfolderBase]: 6/100 cut-off events. [2025-02-06 09:39:10,535 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:39:10,539 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 119 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. [2025-02-06 09:39:10,539 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 102 transitions, 218 flow [2025-02-06 09:39:10,546 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 95 transitions, 199 flow [2025-02-06 09:39:10,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:39:10,564 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;@65fdc19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:39:10,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2025-02-06 09:39:10,572 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:39:10,572 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2025-02-06 09:39:10,572 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:39:10,572 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:39:10,573 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:39:10,574 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)] === [2025-02-06 09:39:10,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:39:10,578 INFO L85 PathProgramCache]: Analyzing trace with hash 676643104, now seen corresponding path program 1 times [2025-02-06 09:39:10,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:39:10,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128542029] [2025-02-06 09:39:10,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:39:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:39:10,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 09:39:10,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 09:39:10,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:39:10,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:39:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:39:10,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:39:10,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128542029] [2025-02-06 09:39:10,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128542029] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:39:10,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:39:10,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:39:10,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214141289] [2025-02-06 09:39:10,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:39:10,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:39:10,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:39:10,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:39:10,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:39:10,820 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 102 [2025-02-06 09:39:10,823 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) [2025-02-06 09:39:10,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:39:10,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 102 [2025-02-06 09:39:10,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:39:10,854 INFO L124 PetriNetUnfolderBase]: 12/117 cut-off events. [2025-02-06 09:39:10,854 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-02-06 09:39:10,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 117 events. 12/117 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 280 event pairs, 7 based on Foata normal form. 7/108 useless extension candidates. Maximal degree in co-relation 103. Up to 30 conditions per place. [2025-02-06 09:39:10,856 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 13 selfloop transitions, 2 changer transitions 1/89 dead transitions. [2025-02-06 09:39:10,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 89 transitions, 217 flow [2025-02-06 09:39:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:39:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:39:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2025-02-06 09:39:10,864 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8464052287581699 [2025-02-06 09:39:10,865 INFO L175 Difference]: Start difference. First operand has 96 places, 95 transitions, 199 flow. Second operand 3 states and 259 transitions. [2025-02-06 09:39:10,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 89 transitions, 217 flow [2025-02-06 09:39:10,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 89 transitions, 212 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-06 09:39:10,871 INFO L231 Difference]: Finished difference. Result has 92 places, 88 transitions, 184 flow [2025-02-06 09:39:10,872 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} [2025-02-06 09:39:10,875 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -4 predicate places. [2025-02-06 09:39:10,875 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 184 flow [2025-02-06 09:39:10,875 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) [2025-02-06 09:39:10,875 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:39:10,875 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:39:10,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:39:10,876 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)] === [2025-02-06 09:39:10,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:39:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1593282749, now seen corresponding path program 1 times [2025-02-06 09:39:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:39:10,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277776205] [2025-02-06 09:39:10,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:39:10,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:39:10,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 09:39:10,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 09:39:10,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:39:10,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:39:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:39:10,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:39:10,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277776205] [2025-02-06 09:39:10,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277776205] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:39:10,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:39:10,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:39:10,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166895562] [2025-02-06 09:39:10,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:39:10,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:39:10,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:39:10,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:39:10,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:39:10,971 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 102 [2025-02-06 09:39:10,972 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) [2025-02-06 09:39:10,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:39:10,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 102 [2025-02-06 09:39:10,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:39:11,000 INFO L124 PetriNetUnfolderBase]: 23/190 cut-off events. [2025-02-06 09:39:11,000 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:39:11,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 190 events. 23/190 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 659 event pairs, 17 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 240. Up to 52 conditions per place. [2025-02-06 09:39:11,001 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 0 selfloop transitions, 0 changer transitions 83/83 dead transitions. [2025-02-06 09:39:11,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 83 transitions, 206 flow [2025-02-06 09:39:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:39:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:39:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2025-02-06 09:39:11,003 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8137254901960784 [2025-02-06 09:39:11,003 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 184 flow. Second operand 3 states and 249 transitions. [2025-02-06 09:39:11,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 83 transitions, 206 flow [2025-02-06 09:39:11,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 83 transitions, 202 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:39:11,004 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2025-02-06 09:39:11,004 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} [2025-02-06 09:39:11,005 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -10 predicate places. [2025-02-06 09:39:11,005 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2025-02-06 09:39:11,005 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) [2025-02-06 09:39:11,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2025-02-06 09:39:11,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2025-02-06 09:39:11,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2025-02-06 09:39:11,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2025-02-06 09:39:11,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2025-02-06 09:39:11,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2025-02-06 09:39:11,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2025-02-06 09:39:11,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2025-02-06 09:39:11,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2025-02-06 09:39:11,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2025-02-06 09:39:11,008 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2025-02-06 09:39:11,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:39:11,008 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 09:39:11,012 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:39:11,012 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:39:11,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:39:11 BasicIcfg [2025-02-06 09:39:11,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:39:11,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:39:11,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:39:11,016 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:39:11,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:39:10" (3/4) ... [2025-02-06 09:39:11,017 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:39:11,019 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure f1 [2025-02-06 09:39:11,019 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure f2 [2025-02-06 09:39:11,021 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-06 09:39:11,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 09:39:11,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:39:11,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:39:11,081 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:39:11,081 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:39:11,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:39:11,082 INFO L158 Benchmark]: Toolchain (without parser) took 1412.24ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 86.4MB in the end (delta: 18.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2025-02-06 09:39:11,082 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 201.3MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:39:11,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.12ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 85.8MB in the end (delta: 19.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:39:11,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.62ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 83.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:39:11,083 INFO L158 Benchmark]: Boogie Preprocessor took 18.54ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:39:11,083 INFO L158 Benchmark]: IcfgBuilder took 280.96ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 67.6MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:39:11,083 INFO L158 Benchmark]: TraceAbstraction took 646.41ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 91.8MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:39:11,084 INFO L158 Benchmark]: Witness Printer took 65.95ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 86.4MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:39:11,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 201.3MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.12ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 85.8MB in the end (delta: 19.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.62ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 83.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.54ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 280.96ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 67.6MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 646.41ms. Allocated memory is still 142.6MB. Free memory was 67.6MB in the beginning and 91.8MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.95ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 86.4MB in the end (delta: 5.4MB). 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, 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! [2025-02-06 09:39:11,096 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