./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 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/06-symbeq_11-equ_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 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:15:50,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:15:50,987 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:15:50,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:15:50,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:15:51,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:15:51,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:15:51,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:15:51,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:15:51,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:15:51,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:15:51,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:15:51,020 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:15:51,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:15:51,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:15:51,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:15:51,022 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:15:51,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:15:51,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:15:51,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:15:51,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:15:51,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:15:51,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:15:51,022 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:15:51,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:15:51,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:15:51,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:15:51,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:15:51,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:15:51,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:15:51,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:15:51,023 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 -> 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 [2025-03-13 22:15:51,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:15:51,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:15:51,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:15:51,289 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:15:51,290 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:15:51,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2025-03-13 22:15:52,495 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c4b5212/b79f4a4a4b3a48f68b0718eea82cad62/FLAGddd2c8a5a [2025-03-13 22:15:52,753 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:15:52,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2025-03-13 22:15:52,769 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c4b5212/b79f4a4a4b3a48f68b0718eea82cad62/FLAGddd2c8a5a [2025-03-13 22:15:53,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41c4b5212/b79f4a4a4b3a48f68b0718eea82cad62 [2025-03-13 22:15:53,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:15:53,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:15:53,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:15:53,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:15:53,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:15:53,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44eefb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53, skipping insertion in model container [2025-03-13 22:15:53,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:15:53,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:15:53,461 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:15:53,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:15:53,538 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:15:53,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53 WrapperNode [2025-03-13 22:15:53,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:15:53,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:15:53,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:15:53,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:15:53,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,568 INFO L138 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2025-03-13 22:15:53,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:15:53,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:15:53,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:15:53,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:15:53,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,585 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:15:53,589 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:15:53,589 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:15:53,589 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:15:53,590 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (1/1) ... [2025-03-13 22:15:53,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:15:53,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:15:53,615 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) [2025-03-13 22:15:53,618 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 [2025-03-13 22:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-13 22:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-13 22:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-13 22:15:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-13 22:15:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:15:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:15:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:15:53,635 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:15:53,720 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:15:53,722 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:15:53,864 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:15:53,865 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:15:53,865 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:15:53,883 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:15:53,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:15:53 BoogieIcfgContainer [2025-03-13 22:15:53,884 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:15:53,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:15:53,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:15:53,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:15:53,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:15:53" (1/3) ... [2025-03-13 22:15:53,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d9edc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:15:53, skipping insertion in model container [2025-03-13 22:15:53,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:15:53" (2/3) ... [2025-03-13 22:15:53,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d9edc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:15:53, skipping insertion in model container [2025-03-13 22:15:53,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:15:53" (3/3) ... [2025-03-13 22:15:53,891 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2025-03-13 22:15:53,904 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:15:53,906 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_11-equ_nr.i that has 2 procedures, 88 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-13 22:15:53,907 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:15:53,953 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-13 22:15:53,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 182 flow [2025-03-13 22:15:54,024 INFO L124 PetriNetUnfolderBase]: 1/91 cut-off events. [2025-03-13 22:15:54,026 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:15:54,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 1/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2025-03-13 22:15:54,030 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 182 flow [2025-03-13 22:15:54,033 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 86 transitions, 175 flow [2025-03-13 22:15:54,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:15:54,055 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;@4acc3eaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:15:54,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-13 22:15:54,075 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:15:54,075 INFO L124 PetriNetUnfolderBase]: 1/70 cut-off events. [2025-03-13 22:15:54,076 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:15:54,076 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:15:54,076 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] [2025-03-13 22:15:54,077 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-13 22:15:54,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:15:54,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1635534736, now seen corresponding path program 1 times [2025-03-13 22:15:54,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:15:54,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050246722] [2025-03-13 22:15:54,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:15:54,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:15:54,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-13 22:15:54,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-13 22:15:54,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:15:54,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:15:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:15:54,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:15:54,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050246722] [2025-03-13 22:15:54,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050246722] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:15:54,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:15:54,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:15:54,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570482448] [2025-03-13 22:15:54,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:15:54,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:15:54,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:15:54,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:15:54,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:15:54,886 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 89 [2025-03-13 22:15:54,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 175 flow. Second operand has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 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) [2025-03-13 22:15:54,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:15:54,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 89 [2025-03-13 22:15:54,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:15:55,055 INFO L124 PetriNetUnfolderBase]: 79/333 cut-off events. [2025-03-13 22:15:55,055 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:15:55,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 333 events. 79/333 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1423 event pairs, 25 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 459. Up to 130 conditions per place. [2025-03-13 22:15:55,060 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 21 selfloop transitions, 22 changer transitions 4/115 dead transitions. [2025-03-13 22:15:55,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 115 transitions, 327 flow [2025-03-13 22:15:55,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:15:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:15:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 474 transitions. [2025-03-13 22:15:55,073 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8876404494382022 [2025-03-13 22:15:55,074 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 175 flow. Second operand 6 states and 474 transitions. [2025-03-13 22:15:55,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 115 transitions, 327 flow [2025-03-13 22:15:55,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 115 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:15:55,082 INFO L231 Difference]: Finished difference. Result has 98 places, 107 transitions, 324 flow [2025-03-13 22:15:55,085 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=98, PETRI_TRANSITIONS=107} [2025-03-13 22:15:55,088 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 9 predicate places. [2025-03-13 22:15:55,089 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 107 transitions, 324 flow [2025-03-13 22:15:55,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 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) [2025-03-13 22:15:55,090 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:15:55,090 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] [2025-03-13 22:15:55,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:15:55,091 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-13 22:15:55,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:15:55,092 INFO L85 PathProgramCache]: Analyzing trace with hash -523393511, now seen corresponding path program 1 times [2025-03-13 22:15:55,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:15:55,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670860596] [2025-03-13 22:15:55,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:15:55,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:15:55,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-13 22:15:55,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-13 22:15:55,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:15:55,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:15:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:15:55,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:15:55,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670860596] [2025-03-13 22:15:55,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670860596] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:15:55,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:15:55,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-13 22:15:55,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109007917] [2025-03-13 22:15:55,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:15:55,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:15:55,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:15:55,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:15:55,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-13 22:15:55,425 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 89 [2025-03-13 22:15:55,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 107 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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) [2025-03-13 22:15:55,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:15:55,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 89 [2025-03-13 22:15:55,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:15:55,563 INFO L124 PetriNetUnfolderBase]: 132/466 cut-off events. [2025-03-13 22:15:55,563 INFO L125 PetriNetUnfolderBase]: For 136/144 co-relation queries the response was YES. [2025-03-13 22:15:55,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 466 events. 132/466 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2210 event pairs, 31 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 995. Up to 218 conditions per place. [2025-03-13 22:15:55,568 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 39 selfloop transitions, 29 changer transitions 7/142 dead transitions. [2025-03-13 22:15:55,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 142 transitions, 614 flow [2025-03-13 22:15:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:15:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:15:55,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 459 transitions. [2025-03-13 22:15:55,573 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8595505617977528 [2025-03-13 22:15:55,574 INFO L175 Difference]: Start difference. First operand has 98 places, 107 transitions, 324 flow. Second operand 6 states and 459 transitions. [2025-03-13 22:15:55,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 142 transitions, 614 flow [2025-03-13 22:15:55,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 142 transitions, 614 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:15:55,583 INFO L231 Difference]: Finished difference. Result has 108 places, 131 transitions, 578 flow [2025-03-13 22:15:55,584 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=108, PETRI_TRANSITIONS=131} [2025-03-13 22:15:55,584 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 19 predicate places. [2025-03-13 22:15:55,585 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 131 transitions, 578 flow [2025-03-13 22:15:55,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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) [2025-03-13 22:15:55,585 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:15:55,585 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] [2025-03-13 22:15:55,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:15:55,585 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-13 22:15:55,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:15:55,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1668552632, now seen corresponding path program 1 times [2025-03-13 22:15:55,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:15:55,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124454621] [2025-03-13 22:15:55,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:15:55,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:15:55,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-13 22:15:55,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-13 22:15:55,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:15:55,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:15:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:15:55,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:15:55,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124454621] [2025-03-13 22:15:55,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124454621] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:15:55,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:15:55,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-13 22:15:55,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062731516] [2025-03-13 22:15:55,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:15:55,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-13 22:15:55,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:15:55,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-13 22:15:55,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-13 22:15:56,112 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 89 [2025-03-13 22:15:56,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 131 transitions, 578 flow. Second operand has 7 states, 7 states have (on average 75.71428571428571) internal successors, (530), 7 states have internal predecessors, (530), 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) [2025-03-13 22:15:56,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:15:56,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 89 [2025-03-13 22:15:56,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:15:56,248 INFO L124 PetriNetUnfolderBase]: 88/440 cut-off events. [2025-03-13 22:15:56,249 INFO L125 PetriNetUnfolderBase]: For 187/192 co-relation queries the response was YES. [2025-03-13 22:15:56,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 440 events. 88/440 cut-off events. For 187/192 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2204 event pairs, 5 based on Foata normal form. 2/439 useless extension candidates. Maximal degree in co-relation 847. Up to 86 conditions per place. [2025-03-13 22:15:56,253 INFO L140 encePairwiseOnDemand]: 81/89 looper letters, 11 selfloop transitions, 4 changer transitions 16/143 dead transitions. [2025-03-13 22:15:56,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 143 transitions, 658 flow [2025-03-13 22:15:56,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-13 22:15:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-13 22:15:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 547 transitions. [2025-03-13 22:15:56,256 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8780096308186196 [2025-03-13 22:15:56,256 INFO L175 Difference]: Start difference. First operand has 108 places, 131 transitions, 578 flow. Second operand 7 states and 547 transitions. [2025-03-13 22:15:56,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 143 transitions, 658 flow [2025-03-13 22:15:56,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 143 transitions, 640 flow, removed 9 selfloop flow, removed 0 redundant places. [2025-03-13 22:15:56,267 INFO L231 Difference]: Finished difference. Result has 117 places, 126 transitions, 568 flow [2025-03-13 22:15:56,268 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=568, PETRI_PLACES=117, PETRI_TRANSITIONS=126} [2025-03-13 22:15:56,268 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 28 predicate places. [2025-03-13 22:15:56,269 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 126 transitions, 568 flow [2025-03-13 22:15:56,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 75.71428571428571) internal successors, (530), 7 states have internal predecessors, (530), 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) [2025-03-13 22:15:56,269 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:15:56,269 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] [2025-03-13 22:15:56,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 22:15:56,270 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-13 22:15:56,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:15:56,271 INFO L85 PathProgramCache]: Analyzing trace with hash 216125896, now seen corresponding path program 1 times [2025-03-13 22:15:56,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:15:56,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020119892] [2025-03-13 22:15:56,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:15:56,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:15:56,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-13 22:15:56,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-13 22:15:56,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:15:56,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:15:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:15:56,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:15:56,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020119892] [2025-03-13 22:15:56,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020119892] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:15:56,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:15:56,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-13 22:15:56,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942532441] [2025-03-13 22:15:56,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:15:56,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-13 22:15:56,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:15:56,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-13 22:15:56,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-13 22:15:57,115 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-13 22:15:57,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 126 transitions, 568 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2025-03-13 22:15:57,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:15:57,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-13 22:15:57,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:15:57,362 INFO L124 PetriNetUnfolderBase]: 129/445 cut-off events. [2025-03-13 22:15:57,362 INFO L125 PetriNetUnfolderBase]: For 436/436 co-relation queries the response was YES. [2025-03-13 22:15:57,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1385 conditions, 445 events. 129/445 cut-off events. For 436/436 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2114 event pairs, 22 based on Foata normal form. 11/452 useless extension candidates. Maximal degree in co-relation 1320. Up to 89 conditions per place. [2025-03-13 22:15:57,365 INFO L140 encePairwiseOnDemand]: 77/89 looper letters, 62 selfloop transitions, 32 changer transitions 23/175 dead transitions. [2025-03-13 22:15:57,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 175 transitions, 1110 flow [2025-03-13 22:15:57,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-13 22:15:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-13 22:15:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 756 transitions. [2025-03-13 22:15:57,368 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7722165474974464 [2025-03-13 22:15:57,369 INFO L175 Difference]: Start difference. First operand has 117 places, 126 transitions, 568 flow. Second operand 11 states and 756 transitions. [2025-03-13 22:15:57,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 175 transitions, 1110 flow [2025-03-13 22:15:57,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 175 transitions, 1059 flow, removed 21 selfloop flow, removed 5 redundant places. [2025-03-13 22:15:57,377 INFO L231 Difference]: Finished difference. Result has 121 places, 127 transitions, 664 flow [2025-03-13 22:15:57,377 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=664, PETRI_PLACES=121, PETRI_TRANSITIONS=127} [2025-03-13 22:15:57,378 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places. [2025-03-13 22:15:57,379 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 127 transitions, 664 flow [2025-03-13 22:15:57,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2025-03-13 22:15:57,380 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:15:57,380 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] [2025-03-13 22:15:57,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 22:15:57,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-13 22:15:57,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:15:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash 751490182, now seen corresponding path program 1 times [2025-03-13 22:15:57,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:15:57,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21596152] [2025-03-13 22:15:57,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:15:57,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:15:57,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-13 22:15:57,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-13 22:15:57,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:15:57,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:15:57,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:15:57,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:15:57,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21596152] [2025-03-13 22:15:57,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21596152] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:15:57,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:15:57,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-13 22:15:57,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86476581] [2025-03-13 22:15:57,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:15:57,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-13 22:15:57,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:15:57,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-13 22:15:57,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-03-13 22:15:58,220 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-13 22:15:58,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 127 transitions, 664 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2025-03-13 22:15:58,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:15:58,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-13 22:15:58,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:15:58,453 INFO L124 PetriNetUnfolderBase]: 105/385 cut-off events. [2025-03-13 22:15:58,454 INFO L125 PetriNetUnfolderBase]: For 620/646 co-relation queries the response was YES. [2025-03-13 22:15:58,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 385 events. 105/385 cut-off events. For 620/646 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1698 event pairs, 20 based on Foata normal form. 16/398 useless extension candidates. Maximal degree in co-relation 1308. Up to 82 conditions per place. [2025-03-13 22:15:58,457 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 45 selfloop transitions, 28 changer transitions 33/157 dead transitions. [2025-03-13 22:15:58,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 157 transitions, 1136 flow [2025-03-13 22:15:58,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-13 22:15:58,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-13 22:15:58,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 682 transitions. [2025-03-13 22:15:58,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7662921348314606 [2025-03-13 22:15:58,460 INFO L175 Difference]: Start difference. First operand has 121 places, 127 transitions, 664 flow. Second operand 10 states and 682 transitions. [2025-03-13 22:15:58,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 157 transitions, 1136 flow [2025-03-13 22:15:58,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 157 transitions, 1086 flow, removed 8 selfloop flow, removed 7 redundant places. [2025-03-13 22:15:58,470 INFO L231 Difference]: Finished difference. Result has 121 places, 108 transitions, 551 flow [2025-03-13 22:15:58,471 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=551, PETRI_PLACES=121, PETRI_TRANSITIONS=108} [2025-03-13 22:15:58,472 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places. [2025-03-13 22:15:58,474 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 108 transitions, 551 flow [2025-03-13 22:15:58,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 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) [2025-03-13 22:15:58,475 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:15:58,475 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] [2025-03-13 22:15:58,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 22:15:58,475 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-13 22:15:58,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:15:58,477 INFO L85 PathProgramCache]: Analyzing trace with hash 503629162, now seen corresponding path program 1 times [2025-03-13 22:15:58,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:15:58,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071765900] [2025-03-13 22:15:58,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:15:58,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:15:58,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-13 22:15:58,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-13 22:15:58,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:15:58,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:15:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:15:58,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:15:58,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071765900] [2025-03-13 22:15:58,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071765900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:15:58,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:15:58,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-13 22:15:58,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567031257] [2025-03-13 22:15:58,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:15:58,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-13 22:15:58,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:15:58,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-13 22:15:58,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-03-13 22:15:59,294 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-13 22:15:59,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 108 transitions, 551 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-13 22:15:59,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:15:59,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-13 22:15:59,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:15:59,488 INFO L124 PetriNetUnfolderBase]: 49/218 cut-off events. [2025-03-13 22:15:59,488 INFO L125 PetriNetUnfolderBase]: For 417/426 co-relation queries the response was YES. [2025-03-13 22:15:59,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 218 events. 49/218 cut-off events. For 417/426 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 661 event pairs, 11 based on Foata normal form. 10/225 useless extension candidates. Maximal degree in co-relation 745. Up to 40 conditions per place. [2025-03-13 22:15:59,489 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 37 selfloop transitions, 17 changer transitions 21/129 dead transitions. [2025-03-13 22:15:59,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 129 transitions, 836 flow [2025-03-13 22:15:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-13 22:15:59,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-13 22:15:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 739 transitions. [2025-03-13 22:15:59,491 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7548518896833504 [2025-03-13 22:15:59,491 INFO L175 Difference]: Start difference. First operand has 121 places, 108 transitions, 551 flow. Second operand 11 states and 739 transitions. [2025-03-13 22:15:59,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 129 transitions, 836 flow [2025-03-13 22:15:59,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 129 transitions, 721 flow, removed 5 selfloop flow, removed 12 redundant places. [2025-03-13 22:15:59,496 INFO L231 Difference]: Finished difference. Result has 114 places, 98 transitions, 424 flow [2025-03-13 22:15:59,496 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=424, PETRI_PLACES=114, PETRI_TRANSITIONS=98} [2025-03-13 22:15:59,496 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 25 predicate places. [2025-03-13 22:15:59,496 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 98 transitions, 424 flow [2025-03-13 22:15:59,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-13 22:15:59,497 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:15:59,497 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] [2025-03-13 22:15:59,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 22:15:59,497 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-13 22:15:59,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:15:59,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1265806978, now seen corresponding path program 2 times [2025-03-13 22:15:59,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:15:59,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141568462] [2025-03-13 22:15:59,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-13 22:15:59,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:15:59,508 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 1 equivalence classes. [2025-03-13 22:15:59,514 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-13 22:15:59,514 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-13 22:15:59,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:15:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:15:59,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:15:59,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141568462] [2025-03-13 22:15:59,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141568462] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:15:59,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:15:59,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-13 22:15:59,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786411917] [2025-03-13 22:15:59,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:15:59,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-13 22:15:59,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:15:59,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-13 22:15:59,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-03-13 22:16:00,115 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-13 22:16:00,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 98 transitions, 424 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-13 22:16:00,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:16:00,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-13 22:16:00,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:16:00,327 INFO L124 PetriNetUnfolderBase]: 36/189 cut-off events. [2025-03-13 22:16:00,327 INFO L125 PetriNetUnfolderBase]: For 367/372 co-relation queries the response was YES. [2025-03-13 22:16:00,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 189 events. 36/189 cut-off events. For 367/372 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 507 event pairs, 11 based on Foata normal form. 6/192 useless extension candidates. Maximal degree in co-relation 585. Up to 36 conditions per place. [2025-03-13 22:16:00,329 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 25 selfloop transitions, 9 changer transitions 29/116 dead transitions. [2025-03-13 22:16:00,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 116 transitions, 645 flow [2025-03-13 22:16:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-13 22:16:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-13 22:16:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 800 transitions. [2025-03-13 22:16:00,331 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7490636704119851 [2025-03-13 22:16:00,331 INFO L175 Difference]: Start difference. First operand has 114 places, 98 transitions, 424 flow. Second operand 12 states and 800 transitions. [2025-03-13 22:16:00,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 116 transitions, 645 flow [2025-03-13 22:16:00,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 116 transitions, 602 flow, removed 5 selfloop flow, removed 10 redundant places. [2025-03-13 22:16:00,335 INFO L231 Difference]: Finished difference. Result has 115 places, 84 transitions, 300 flow [2025-03-13 22:16:00,336 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=300, PETRI_PLACES=115, PETRI_TRANSITIONS=84} [2025-03-13 22:16:00,336 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 26 predicate places. [2025-03-13 22:16:00,336 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 84 transitions, 300 flow [2025-03-13 22:16:00,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-13 22:16:00,337 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:16:00,337 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] [2025-03-13 22:16:00,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:16:00,337 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-03-13 22:16:00,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:16:00,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1394392380, now seen corresponding path program 3 times [2025-03-13 22:16:00,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:16:00,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768779064] [2025-03-13 22:16:00,338 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-13 22:16:00,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:16:00,349 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 73 statements into 1 equivalence classes. [2025-03-13 22:16:00,354 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-13 22:16:00,355 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-13 22:16:00,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:16:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:16:00,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:16:00,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768779064] [2025-03-13 22:16:00,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768779064] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:16:00,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:16:00,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-13 22:16:00,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361672394] [2025-03-13 22:16:00,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:16:00,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-13 22:16:00,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:16:00,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-13 22:16:00,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-03-13 22:16:00,995 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-03-13 22:16:00,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 84 transitions, 300 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-13 22:16:00,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:16:00,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-03-13 22:16:00,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:16:01,131 INFO L124 PetriNetUnfolderBase]: 16/132 cut-off events. [2025-03-13 22:16:01,131 INFO L125 PetriNetUnfolderBase]: For 142/143 co-relation queries the response was YES. [2025-03-13 22:16:01,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 132 events. 16/132 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 250 event pairs, 11 based on Foata normal form. 2/131 useless extension candidates. Maximal degree in co-relation 312. Up to 32 conditions per place. [2025-03-13 22:16:01,132 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2025-03-13 22:16:01,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 88 transitions, 389 flow [2025-03-13 22:16:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-13 22:16:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-13 22:16:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 721 transitions. [2025-03-13 22:16:01,135 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7364657814096016 [2025-03-13 22:16:01,135 INFO L175 Difference]: Start difference. First operand has 115 places, 84 transitions, 300 flow. Second operand 11 states and 721 transitions. [2025-03-13 22:16:01,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 88 transitions, 389 flow [2025-03-13 22:16:01,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 88 transitions, 344 flow, removed 7 selfloop flow, removed 14 redundant places. [2025-03-13 22:16:01,137 INFO L231 Difference]: Finished difference. Result has 101 places, 0 transitions, 0 flow [2025-03-13 22:16:01,137 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=101, PETRI_TRANSITIONS=0} [2025-03-13 22:16:01,138 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 12 predicate places. [2025-03-13 22:16:01,139 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 0 transitions, 0 flow [2025-03-13 22:16:01,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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) [2025-03-13 22:16:01,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2025-03-13 22:16:01,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-03-13 22:16:01,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2025-03-13 22:16:01,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2025-03-13 22:16:01,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:16:01,144 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2025-03-13 22:16:01,147 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:16:01,148 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:16:01,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:16:01 BasicIcfg [2025-03-13 22:16:01,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:16:01,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:16:01,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:16:01,154 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:16:01,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:15:53" (3/4) ... [2025-03-13 22:16:01,156 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:16:01,158 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-13 22:16:01,161 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-13 22:16:01,162 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:16:01,162 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:16:01,223 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:16:01,223 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:16:01,223 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:16:01,224 INFO L158 Benchmark]: Toolchain (without parser) took 8162.10ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 111.5MB in the beginning and 362.7MB in the end (delta: -251.2MB). Peak memory consumption was 122.5MB. Max. memory is 16.1GB. [2025-03-13 22:16:01,224 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:16:01,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.02ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 83.6MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-13 22:16:01,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.73ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 81.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:16:01,225 INFO L158 Benchmark]: Boogie Preprocessor took 18.71ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 80.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:16:01,225 INFO L158 Benchmark]: IcfgBuilder took 295.38ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 64.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:16:01,226 INFO L158 Benchmark]: TraceAbstraction took 7267.60ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 63.8MB in the beginning and 366.9MB in the end (delta: -303.1MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2025-03-13 22:16:01,226 INFO L158 Benchmark]: Witness Printer took 69.59ms. Allocated memory is still 520.1MB. Free memory was 366.9MB in the beginning and 362.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:16:01,228 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.02ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 83.6MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.73ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 81.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.71ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 80.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 295.38ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 64.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7267.60ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 63.8MB in the beginning and 366.9MB in the end (delta: -303.1MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Witness Printer took 69.59ms. Allocated memory is still 520.1MB. Free memory was 366.9MB in the beginning and 362.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 996]: 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, 106 locations, 4 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: 7.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1924 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1565 mSDsluCounter, 1986 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1845 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5179 IncrementalHoareTripleChecker+Invalid, 5290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 141 mSDtfsCounter, 5179 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=4, InterpolantAutomatonStates: 74, 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, 2.9s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 3089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:16:01,242 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