./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:00:34,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:00:35,011 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:00:35,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:00:35,015 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:00:35,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:00:35,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:00:35,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:00:35,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:00:35,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:00:35,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:00:35,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:00:35,037 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:00:35,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:00:35,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:00:35,039 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:00:35,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:00:35,039 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:00:35,039 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:00:35,039 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:00:35,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:00:35,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:00:35,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:00:35,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:00:35,040 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa [2025-03-08 22:00:35,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:00:35,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:00:35,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:00:35,264 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:00:35,265 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:00:35,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2025-03-08 22:00:36,344 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d394bcb09/e3e6e2e3950841418d46b1d1f6065fa1/FLAGc07d318bf [2025-03-08 22:00:36,598 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:00:36,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_03-priv_inv.i [2025-03-08 22:00:36,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d394bcb09/e3e6e2e3950841418d46b1d1f6065fa1/FLAGc07d318bf [2025-03-08 22:00:36,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d394bcb09/e3e6e2e3950841418d46b1d1f6065fa1 [2025-03-08 22:00:36,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:00:36,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:00:36,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:00:36,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:00:36,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:00:36,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba7706c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36, skipping insertion in model container [2025-03-08 22:00:36,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:00:36,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:00:36,861 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:00:36,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:00:36,916 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:00:36,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36 WrapperNode [2025-03-08 22:00:36,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:00:36,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:00:36,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:00:36,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:00:36,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,948 INFO L138 Inliner]: procedures = 165, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 119 [2025-03-08 22:00:36,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:00:36,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:00:36,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:00:36,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:00:36,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,961 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:00:36,965 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:00:36,965 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:00:36,965 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:00:36,970 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (1/1) ... [2025-03-08 22:00:36,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:00:36,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:00:37,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 22:00:37,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 22:00:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-08 22:00:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:00:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-08 22:00:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-08 22:00:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:00:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-08 22:00:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:00:37,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:00:37,020 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 22:00:37,110 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:00:37,111 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:00:37,317 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:00:37,318 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:00:37,335 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:00:37,335 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:00:37,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:00:37 BoogieIcfgContainer [2025-03-08 22:00:37,336 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:00:37,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:00:37,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:00:37,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:00:37,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:00:36" (1/3) ... [2025-03-08 22:00:37,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a43bcd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:00:37, skipping insertion in model container [2025-03-08 22:00:37,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:00:36" (2/3) ... [2025-03-08 22:00:37,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a43bcd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:00:37, skipping insertion in model container [2025-03-08 22:00:37,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:00:37" (3/3) ... [2025-03-08 22:00:37,345 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.i [2025-03-08 22:00:37,356 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:00:37,358 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_03-priv_inv.i that has 2 procedures, 147 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-08 22:00:37,358 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:00:37,411 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-08 22:00:37,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 149 transitions, 305 flow [2025-03-08 22:00:37,505 INFO L124 PetriNetUnfolderBase]: 3/148 cut-off events. [2025-03-08 22:00:37,506 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 22:00:37,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 148 events. 3/148 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2025-03-08 22:00:37,511 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 149 transitions, 305 flow [2025-03-08 22:00:37,515 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 143 transitions, 289 flow [2025-03-08 22:00:37,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:00:37,537 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;@1243b5bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:00:37,538 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-03-08 22:00:37,562 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:00:37,562 INFO L124 PetriNetUnfolderBase]: 0/90 cut-off events. [2025-03-08 22:00:37,562 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:00:37,563 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:00:37,564 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:00:37,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 22:00:37,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:00:37,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2133032491, now seen corresponding path program 1 times [2025-03-08 22:00:37,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:00:37,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485619436] [2025-03-08 22:00:37,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:00:37,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:00:37,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-08 22:00:37,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-08 22:00:37,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:00:37,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:00:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:00:37,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:00:37,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485619436] [2025-03-08 22:00:37,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485619436] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:00:37,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:00:37,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:00:37,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248950226] [2025-03-08 22:00:37,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:00:37,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:00:37,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:00:37,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:00:37,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:00:37,949 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2025-03-08 22:00:37,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 143 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:37,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:00:37,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2025-03-08 22:00:37,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:00:38,077 INFO L124 PetriNetUnfolderBase]: 46/370 cut-off events. [2025-03-08 22:00:38,077 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 22:00:38,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 370 events. 46/370 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1528 event pairs, 17 based on Foata normal form. 10/339 useless extension candidates. Maximal degree in co-relation 388. Up to 69 conditions per place. [2025-03-08 22:00:38,081 INFO L140 encePairwiseOnDemand]: 136/149 looper letters, 21 selfloop transitions, 8 changer transitions 1/152 dead transitions. [2025-03-08 22:00:38,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 152 transitions, 365 flow [2025-03-08 22:00:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:00:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:00:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2025-03-08 22:00:38,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9373601789709173 [2025-03-08 22:00:38,096 INFO L175 Difference]: Start difference. First operand has 144 places, 143 transitions, 289 flow. Second operand 3 states and 419 transitions. [2025-03-08 22:00:38,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 152 transitions, 365 flow [2025-03-08 22:00:38,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 152 transitions, 364 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:00:38,105 INFO L231 Difference]: Finished difference. Result has 146 places, 146 transitions, 344 flow [2025-03-08 22:00:38,107 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=146, PETRI_TRANSITIONS=146} [2025-03-08 22:00:38,110 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, 2 predicate places. [2025-03-08 22:00:38,110 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 146 transitions, 344 flow [2025-03-08 22:00:38,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,110 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:00:38,110 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:00:38,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:00:38,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 22:00:38,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:00:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash 418045437, now seen corresponding path program 1 times [2025-03-08 22:00:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:00:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070714640] [2025-03-08 22:00:38,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:00:38,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:00:38,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-08 22:00:38,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-08 22:00:38,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:00:38,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:00:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:00:38,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:00:38,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070714640] [2025-03-08 22:00:38,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070714640] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:00:38,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:00:38,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:00:38,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181371540] [2025-03-08 22:00:38,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:00:38,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:00:38,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:00:38,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:00:38,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:00:38,279 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2025-03-08 22:00:38,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:00:38,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2025-03-08 22:00:38,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:00:38,353 INFO L124 PetriNetUnfolderBase]: 75/454 cut-off events. [2025-03-08 22:00:38,353 INFO L125 PetriNetUnfolderBase]: For 105/109 co-relation queries the response was YES. [2025-03-08 22:00:38,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 454 events. 75/454 cut-off events. For 105/109 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2194 event pairs, 34 based on Foata normal form. 1/409 useless extension candidates. Maximal degree in co-relation 642. Up to 131 conditions per place. [2025-03-08 22:00:38,356 INFO L140 encePairwiseOnDemand]: 143/149 looper letters, 23 selfloop transitions, 7 changer transitions 0/154 dead transitions. [2025-03-08 22:00:38,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 154 transitions, 430 flow [2025-03-08 22:00:38,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:00:38,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:00:38,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2025-03-08 22:00:38,357 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9149888143176734 [2025-03-08 22:00:38,357 INFO L175 Difference]: Start difference. First operand has 146 places, 146 transitions, 344 flow. Second operand 3 states and 409 transitions. [2025-03-08 22:00:38,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 154 transitions, 430 flow [2025-03-08 22:00:38,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 154 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:00:38,360 INFO L231 Difference]: Finished difference. Result has 147 places, 151 transitions, 384 flow [2025-03-08 22:00:38,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=147, PETRI_TRANSITIONS=151} [2025-03-08 22:00:38,361 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, 3 predicate places. [2025-03-08 22:00:38,361 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 151 transitions, 384 flow [2025-03-08 22:00:38,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,361 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:00:38,362 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:00:38,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:00:38,362 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 22:00:38,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:00:38,362 INFO L85 PathProgramCache]: Analyzing trace with hash -28301181, now seen corresponding path program 1 times [2025-03-08 22:00:38,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:00:38,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373561841] [2025-03-08 22:00:38,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:00:38,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:00:38,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-08 22:00:38,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-08 22:00:38,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:00:38,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:00:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:00:38,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:00:38,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373561841] [2025-03-08 22:00:38,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373561841] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:00:38,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:00:38,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 22:00:38,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894885283] [2025-03-08 22:00:38,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:00:38,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:00:38,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:00:38,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:00:38,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:00:38,579 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 149 [2025-03-08 22:00:38,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 151 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:00:38,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 149 [2025-03-08 22:00:38,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:00:38,610 INFO L124 PetriNetUnfolderBase]: 7/242 cut-off events. [2025-03-08 22:00:38,610 INFO L125 PetriNetUnfolderBase]: For 24/26 co-relation queries the response was YES. [2025-03-08 22:00:38,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 242 events. 7/242 cut-off events. For 24/26 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 646 event pairs, 0 based on Foata normal form. 2/227 useless extension candidates. Maximal degree in co-relation 226. Up to 19 conditions per place. [2025-03-08 22:00:38,612 INFO L140 encePairwiseOnDemand]: 144/149 looper letters, 2 selfloop transitions, 5 changer transitions 0/146 dead transitions. [2025-03-08 22:00:38,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 146 transitions, 370 flow [2025-03-08 22:00:38,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:00:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:00:38,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 426 transitions. [2025-03-08 22:00:38,613 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9530201342281879 [2025-03-08 22:00:38,613 INFO L175 Difference]: Start difference. First operand has 147 places, 151 transitions, 384 flow. Second operand 3 states and 426 transitions. [2025-03-08 22:00:38,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 146 transitions, 370 flow [2025-03-08 22:00:38,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 146 transitions, 352 flow, removed 4 selfloop flow, removed 2 redundant places. [2025-03-08 22:00:38,618 INFO L231 Difference]: Finished difference. Result has 146 places, 146 transitions, 348 flow [2025-03-08 22:00:38,619 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=146, PETRI_TRANSITIONS=146} [2025-03-08 22:00:38,619 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, 2 predicate places. [2025-03-08 22:00:38,620 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 146 transitions, 348 flow [2025-03-08 22:00:38,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,620 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:00:38,620 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:00:38,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:00:38,621 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 22:00:38,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:00:38,622 INFO L85 PathProgramCache]: Analyzing trace with hash 842141031, now seen corresponding path program 1 times [2025-03-08 22:00:38,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:00:38,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591790823] [2025-03-08 22:00:38,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:00:38,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:00:38,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-08 22:00:38,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-08 22:00:38,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:00:38,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:00:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:00:38,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:00:38,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591790823] [2025-03-08 22:00:38,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591790823] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:00:38,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:00:38,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 22:00:38,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209086985] [2025-03-08 22:00:38,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:00:38,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:00:38,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:00:38,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:00:38,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:00:38,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 149 [2025-03-08 22:00:38,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:00:38,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 149 [2025-03-08 22:00:38,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:00:38,747 INFO L124 PetriNetUnfolderBase]: 0/154 cut-off events. [2025-03-08 22:00:38,747 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-08 22:00:38,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 154 events. 0/154 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2025-03-08 22:00:38,748 INFO L140 encePairwiseOnDemand]: 145/149 looper letters, 7 selfloop transitions, 3 changer transitions 6/127 dead transitions. [2025-03-08 22:00:38,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 127 transitions, 306 flow [2025-03-08 22:00:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:00:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:00:38,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2025-03-08 22:00:38,750 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9060402684563759 [2025-03-08 22:00:38,750 INFO L175 Difference]: Start difference. First operand has 146 places, 146 transitions, 348 flow. Second operand 3 states and 405 transitions. [2025-03-08 22:00:38,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 127 transitions, 306 flow [2025-03-08 22:00:38,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 127 transitions, 294 flow, removed 2 selfloop flow, removed 3 redundant places. [2025-03-08 22:00:38,752 INFO L231 Difference]: Finished difference. Result has 134 places, 121 transitions, 263 flow [2025-03-08 22:00:38,753 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=134, PETRI_TRANSITIONS=121} [2025-03-08 22:00:38,753 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -10 predicate places. [2025-03-08 22:00:38,753 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 121 transitions, 263 flow [2025-03-08 22:00:38,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,753 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:00:38,753 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:00:38,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:00:38,754 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 22:00:38,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:00:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1404662614, now seen corresponding path program 1 times [2025-03-08 22:00:38,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:00:38,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443174104] [2025-03-08 22:00:38,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:00:38,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:00:38,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-08 22:00:38,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-08 22:00:38,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:00:38,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:00:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:00:38,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:00:38,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443174104] [2025-03-08 22:00:38,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443174104] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:00:38,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:00:38,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:00:38,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956002781] [2025-03-08 22:00:38,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:00:38,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:00:38,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:00:38,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:00:38,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:00:38,832 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2025-03-08 22:00:38,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 121 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:00:38,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2025-03-08 22:00:38,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:00:38,846 INFO L124 PetriNetUnfolderBase]: 0/133 cut-off events. [2025-03-08 22:00:38,846 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-08 22:00:38,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 133 events. 0/133 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 2/135 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2025-03-08 22:00:38,847 INFO L140 encePairwiseOnDemand]: 147/149 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2025-03-08 22:00:38,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 120 transitions, 283 flow [2025-03-08 22:00:38,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:00:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:00:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2025-03-08 22:00:38,849 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8859060402684564 [2025-03-08 22:00:38,849 INFO L175 Difference]: Start difference. First operand has 134 places, 121 transitions, 263 flow. Second operand 3 states and 396 transitions. [2025-03-08 22:00:38,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 120 transitions, 283 flow [2025-03-08 22:00:38,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 267 flow, removed 1 selfloop flow, removed 4 redundant places. [2025-03-08 22:00:38,850 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2025-03-08 22:00:38,851 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2025-03-08 22:00:38,851 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -18 predicate places. [2025-03-08 22:00:38,851 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2025-03-08 22:00:38,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:00:38,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-03-08 22:00:38,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-03-08 22:00:38,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-03-08 22:00:38,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-03-08 22:00:38,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-03-08 22:00:38,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-03-08 22:00:38,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-03-08 22:00:38,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-03-08 22:00:38,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-03-08 22:00:38,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:00:38,857 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-08 22:00:38,861 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:00:38,862 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:00:38,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:00:38 BasicIcfg [2025-03-08 22:00:38,867 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:00:38,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:00:38,868 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:00:38,868 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:00:38,868 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:00:37" (3/4) ... [2025-03-08 22:00:38,869 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:00:38,871 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-08 22:00:38,874 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-08 22:00:38,874 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-08 22:00:38,875 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 22:00:38,875 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:00:38,875 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:00:38,933 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:00:38,934 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:00:38,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:00:38,934 INFO L158 Benchmark]: Toolchain (without parser) took 2306.53ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 81.4MB in the end (delta: 29.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2025-03-08 22:00:38,935 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:00:38,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.22ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 91.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 22:00:38,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.66ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:00:38,936 INFO L158 Benchmark]: Boogie Preprocessor took 15.97ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.3MB in the end (delta: 961.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:00:38,936 INFO L158 Benchmark]: IcfgBuilder took 370.62ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 71.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 22:00:38,937 INFO L158 Benchmark]: TraceAbstraction took 1527.63ms. Allocated memory is still 142.6MB. Free memory was 70.6MB in the beginning and 87.0MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:00:38,937 INFO L158 Benchmark]: Witness Printer took 66.40ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 81.4MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:00:38,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.22ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 91.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.66ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.97ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 88.3MB in the end (delta: 961.2kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 370.62ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 71.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1527.63ms. Allocated memory is still 142.6MB. Free memory was 70.6MB in the beginning and 87.0MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.40ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 81.4MB 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: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 169 locations, 172 edges, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 23 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2025-03-08 22:00:38,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE