./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 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/04-mutex_15-funarg_nr.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 df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:34:52,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:34:52,647 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:34:52,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:34:52,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:34:52,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:34:52,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:34:52,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:34:52,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:34:52,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:34:52,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:34:52,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:34:52,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:34:52,682 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:34:52,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:34:52,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:34:52,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:34:52,683 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:34:52,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:34:52,683 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 -> df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 [2025-03-14 01:34:52,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:34:52,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:34:52,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:34:52,983 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:34:52,983 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:34:52,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2025-03-14 01:34:54,336 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898127f40/230efe65b9e445da8da7ee93187c7e10/FLAGd5d21c062 [2025-03-14 01:34:54,624 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:34:54,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_15-funarg_nr.i [2025-03-14 01:34:54,640 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898127f40/230efe65b9e445da8da7ee93187c7e10/FLAGd5d21c062 [2025-03-14 01:34:54,664 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898127f40/230efe65b9e445da8da7ee93187c7e10 [2025-03-14 01:34:54,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:34:54,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:34:54,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:34:54,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:34:54,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:34:54,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:34:54" (1/1) ... [2025-03-14 01:34:54,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f63767e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:54, skipping insertion in model container [2025-03-14 01:34:54,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:34:54" (1/1) ... [2025-03-14 01:34:54,706 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:34:55,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:34:55,265 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:34:55,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:34:55,415 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:34:55,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55 WrapperNode [2025-03-14 01:34:55,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:34:55,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:34:55,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:34:55,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:34:55,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,478 INFO L138 Inliner]: procedures = 263, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2025-03-14 01:34:55,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:34:55,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:34:55,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:34:55,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:34:55,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,498 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:34:55,511 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:34:55,511 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:34:55,511 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:34:55,511 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (1/1) ... [2025-03-14 01:34:55,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:34:55,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:34:55,588 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) [2025-03-14 01:34:55,628 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 [2025-03-14 01:34:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-14 01:34:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-14 01:34:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:34:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-14 01:34:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-14 01:34:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:34:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:34:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:34:55,650 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:34:55,834 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:34:55,835 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:34:56,209 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:34:56,210 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:34:56,211 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:34:56,271 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:34:56,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:34:56 BoogieIcfgContainer [2025-03-14 01:34:56,272 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:34:56,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:34:56,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:34:56,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:34:56,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:34:54" (1/3) ... [2025-03-14 01:34:56,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a7cc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:34:56, skipping insertion in model container [2025-03-14 01:34:56,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:34:55" (2/3) ... [2025-03-14 01:34:56,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a7cc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:34:56, skipping insertion in model container [2025-03-14 01:34:56,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:34:56" (3/3) ... [2025-03-14 01:34:56,281 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2025-03-14 01:34:56,293 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:34:56,295 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_15-funarg_nr.i that has 2 procedures, 180 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-14 01:34:56,297 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:34:56,360 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-14 01:34:56,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 179 transitions, 365 flow [2025-03-14 01:34:56,493 INFO L124 PetriNetUnfolderBase]: 0/178 cut-off events. [2025-03-14 01:34:56,494 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-14 01:34:56,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 178 events. 0/178 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-03-14 01:34:56,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 183 places, 179 transitions, 365 flow [2025-03-14 01:34:56,500 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 177 places, 173 transitions, 349 flow [2025-03-14 01:34:56,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:34:56,530 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;@49b23966, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:34:56,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-14 01:34:56,597 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:34:56,597 INFO L124 PetriNetUnfolderBase]: 0/138 cut-off events. [2025-03-14 01:34:56,597 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:34:56,597 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:34:56,598 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:34:56,598 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-14 01:34:56,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:34:56,606 INFO L85 PathProgramCache]: Analyzing trace with hash 767582436, now seen corresponding path program 1 times [2025-03-14 01:34:56,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:34:56,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767585771] [2025-03-14 01:34:56,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:34:56,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:34:56,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-14 01:34:56,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-14 01:34:56,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:34:56,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:34:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:34:56,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:34:56,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767585771] [2025-03-14 01:34:56,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767585771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:34:56,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:34:56,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:34:56,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162645153] [2025-03-14 01:34:56,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:34:56,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:34:56,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:34:56,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:34:56,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:34:56,994 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 179 [2025-03-14 01:34:56,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 173 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2025-03-14 01:34:56,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:34:56,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 179 [2025-03-14 01:34:56,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:34:57,116 INFO L124 PetriNetUnfolderBase]: 47/396 cut-off events. [2025-03-14 01:34:57,117 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-14 01:34:57,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 396 events. 47/396 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1298 event pairs, 12 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 385. Up to 82 conditions per place. [2025-03-14 01:34:57,122 INFO L140 encePairwiseOnDemand]: 170/179 looper letters, 20 selfloop transitions, 6 changer transitions 1/183 dead transitions. [2025-03-14 01:34:57,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 183 transitions, 423 flow [2025-03-14 01:34:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:34:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:34:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 513 transitions. [2025-03-14 01:34:57,138 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9553072625698324 [2025-03-14 01:34:57,140 INFO L175 Difference]: Start difference. First operand has 177 places, 173 transitions, 349 flow. Second operand 3 states and 513 transitions. [2025-03-14 01:34:57,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 183 transitions, 423 flow [2025-03-14 01:34:57,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 183 transitions, 422 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:34:57,151 INFO L231 Difference]: Finished difference. Result has 179 places, 177 transitions, 394 flow [2025-03-14 01:34:57,153 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=179, PETRI_TRANSITIONS=177} [2025-03-14 01:34:57,157 INFO L279 CegarLoopForPetriNet]: 177 programPoint places, 2 predicate places. [2025-03-14 01:34:57,158 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 177 transitions, 394 flow [2025-03-14 01:34:57,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2025-03-14 01:34:57,159 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:34:57,159 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:34:57,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:34:57,159 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-14 01:34:57,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:34:57,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1547338650, now seen corresponding path program 1 times [2025-03-14 01:34:57,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:34:57,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340858256] [2025-03-14 01:34:57,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:34:57,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:34:57,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-14 01:34:57,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-14 01:34:57,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:34:57,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:34:57,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:34:57,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:34:57,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340858256] [2025-03-14 01:34:57,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340858256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:34:57,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:34:57,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:34:57,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101320304] [2025-03-14 01:34:57,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:34:57,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:34:57,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:34:57,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:34:57,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:34:57,386 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 179 [2025-03-14 01:34:57,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 177 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2025-03-14 01:34:57,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:34:57,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 179 [2025-03-14 01:34:57,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:34:57,471 INFO L124 PetriNetUnfolderBase]: 73/470 cut-off events. [2025-03-14 01:34:57,471 INFO L125 PetriNetUnfolderBase]: For 71/73 co-relation queries the response was YES. [2025-03-14 01:34:57,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 470 events. 73/470 cut-off events. For 71/73 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1767 event pairs, 30 based on Foata normal form. 2/451 useless extension candidates. Maximal degree in co-relation 590. Up to 129 conditions per place. [2025-03-14 01:34:57,476 INFO L140 encePairwiseOnDemand]: 173/179 looper letters, 18 selfloop transitions, 5 changer transitions 5/186 dead transitions. [2025-03-14 01:34:57,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 186 transitions, 476 flow [2025-03-14 01:34:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:34:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:34:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 513 transitions. [2025-03-14 01:34:57,479 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9553072625698324 [2025-03-14 01:34:57,479 INFO L175 Difference]: Start difference. First operand has 179 places, 177 transitions, 394 flow. Second operand 3 states and 513 transitions. [2025-03-14 01:34:57,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 186 transitions, 476 flow [2025-03-14 01:34:57,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 186 transitions, 460 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:34:57,483 INFO L231 Difference]: Finished difference. Result has 181 places, 178 transitions, 414 flow [2025-03-14 01:34:57,484 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=181, PETRI_TRANSITIONS=178} [2025-03-14 01:34:57,484 INFO L279 CegarLoopForPetriNet]: 177 programPoint places, 4 predicate places. [2025-03-14 01:34:57,484 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 178 transitions, 414 flow [2025-03-14 01:34:57,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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) [2025-03-14 01:34:57,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:34:57,485 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:34:57,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:34:57,485 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-14 01:34:57,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:34:57,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2050219538, now seen corresponding path program 1 times [2025-03-14 01:34:57,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:34:57,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956527075] [2025-03-14 01:34:57,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:34:57,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:34:57,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-14 01:34:57,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-14 01:34:57,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:34:57,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:34:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:34:57,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:34:57,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956527075] [2025-03-14 01:34:57,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956527075] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:34:57,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:34:57,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-14 01:34:57,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115844788] [2025-03-14 01:34:57,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:34:57,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:34:57,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:34:57,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:34:57,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:34:57,757 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 179 [2025-03-14 01:34:57,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 178 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2025-03-14 01:34:57,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:34:57,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 179 [2025-03-14 01:34:57,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:34:57,800 INFO L124 PetriNetUnfolderBase]: 0/221 cut-off events. [2025-03-14 01:34:57,801 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-14 01:34:57,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 221 events. 0/221 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 156 event pairs, 0 based on Foata normal form. 4/225 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2025-03-14 01:34:57,802 INFO L140 encePairwiseOnDemand]: 173/179 looper letters, 0 selfloop transitions, 0 changer transitions 170/170 dead transitions. [2025-03-14 01:34:57,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 170 transitions, 386 flow [2025-03-14 01:34:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:34:57,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:34:57,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2025-03-14 01:34:57,804 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9702048417132216 [2025-03-14 01:34:57,804 INFO L175 Difference]: Start difference. First operand has 181 places, 178 transitions, 414 flow. Second operand 3 states and 521 transitions. [2025-03-14 01:34:57,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 170 transitions, 386 flow [2025-03-14 01:34:57,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 170 transitions, 368 flow, removed 5 selfloop flow, removed 4 redundant places. [2025-03-14 01:34:57,810 INFO L231 Difference]: Finished difference. Result has 176 places, 0 transitions, 0 flow [2025-03-14 01:34:57,810 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=176, PETRI_TRANSITIONS=0} [2025-03-14 01:34:57,811 INFO L279 CegarLoopForPetriNet]: 177 programPoint places, -1 predicate places. [2025-03-14 01:34:57,811 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 0 transitions, 0 flow [2025-03-14 01:34:57,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2025-03-14 01:34:57,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-03-14 01:34:57,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-03-14 01:34:57,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-14 01:34:57,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-03-14 01:34:57,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-03-14 01:34:57,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-03-14 01:34:57,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-03-14 01:34:57,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:34:57,818 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-14 01:34:57,822 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:34:57,823 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:34:57,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:34:57 BasicIcfg [2025-03-14 01:34:57,830 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:34:57,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:34:57,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:34:57,831 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:34:57,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:34:56" (3/4) ... [2025-03-14 01:34:57,833 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:34:57,836 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-14 01:34:57,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-14 01:34:57,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-14 01:34:57,842 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-14 01:34:57,903 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:34:57,903 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:34:57,903 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:34:57,904 INFO L158 Benchmark]: Toolchain (without parser) took 3236.32ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 110.9MB in the beginning and 318.3MB in the end (delta: -207.4MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2025-03-14 01:34:57,904 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:34:57,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.35ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 82.5MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-14 01:34:57,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.87ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 80.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:34:57,906 INFO L158 Benchmark]: Boogie Preprocessor took 25.66ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:34:57,906 INFO L158 Benchmark]: IcfgBuilder took 761.78ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 60.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-14 01:34:57,906 INFO L158 Benchmark]: TraceAbstraction took 1556.26ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 59.5MB in the beginning and 324.5MB in the end (delta: -265.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:34:57,907 INFO L158 Benchmark]: Witness Printer took 72.11ms. Allocated memory is still 385.9MB. Free memory was 324.5MB in the beginning and 318.3MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:34:57,908 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.35ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 82.5MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.87ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 80.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.66ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 761.78ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 60.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1556.26ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 59.5MB in the beginning and 324.5MB in the end (delta: -265.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.11ms. Allocated memory is still 385.9MB. Free memory was 324.5MB in the beginning and 318.3MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 198 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 16 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=414occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 423 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:34:57,923 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