./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/pthread-ext/33_double_lock_p1_vs.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 3937112f59473340c79cc2d7ab59a9fe9e4faa83d54303e5490f5452d86b21aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:08:47,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:08:47,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:08:47,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:08:47,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:08:47,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:08:47,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:08:47,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:08:47,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:08:47,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:08:47,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:08:47,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:08:47,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:08:47,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:08:47,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:08:47,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:08:47,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:08:47,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:08:47,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:08:47,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:08:47,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:08:47,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:08:47,806 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:08:47,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:08:47,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:08:47,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:08:47,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:08:47,807 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:08:47,807 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:08:47,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:08:47,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:08:47,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:08:47,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:08:47,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:08:47,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:08:47,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:08:47,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:08:47,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:08:47,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:08:47,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:08:47,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:08:47,828 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3937112f59473340c79cc2d7ab59a9fe9e4faa83d54303e5490f5452d86b21aa [2024-11-10 14:08:48,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:08:48,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:08:48,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:08:48,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:08:48,146 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:08:48,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2024-11-10 14:08:49,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:08:49,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:08:49,957 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2024-11-10 14:08:49,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ba74823/b0e3b875321648ca848bdb4aaaa721de/FLAGfb00f35e0 [2024-11-10 14:08:50,153 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ba74823/b0e3b875321648ca848bdb4aaaa721de [2024-11-10 14:08:50,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:08:50,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:08:50,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:08:50,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:08:50,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:08:50,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29346f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50, skipping insertion in model container [2024-11-10 14:08:50,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:08:50,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:08:50,593 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:08:50,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:08:50,669 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:08:50,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50 WrapperNode [2024-11-10 14:08:50,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:08:50,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:08:50,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:08:50,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:08:50,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,722 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 279 [2024-11-10 14:08:50,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:08:50,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:08:50,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:08:50,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:08:50,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,768 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:08:50,778 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:08:50,778 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:08:50,779 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:08:50,779 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (1/1) ... [2024-11-10 14:08:50,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:08:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:08:50,819 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) [2024-11-10 14:08:50,823 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 [2024-11-10 14:08:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:08:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-10 14:08:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-10 14:08:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-10 14:08:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-10 14:08:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:08:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:08:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:08:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:08:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:08:50,879 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:08:51,026 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:08:51,027 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:08:51,540 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:08:51,540 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:08:51,920 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:08:51,921 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:08:51,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:08:51 BoogieIcfgContainer [2024-11-10 14:08:51,922 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:08:51,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:08:51,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:08:51,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:08:51,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:08:50" (1/3) ... [2024-11-10 14:08:51,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bcc872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:08:51, skipping insertion in model container [2024-11-10 14:08:51,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:08:50" (2/3) ... [2024-11-10 14:08:51,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bcc872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:08:51, skipping insertion in model container [2024-11-10 14:08:51,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:08:51" (3/3) ... [2024-11-10 14:08:51,932 INFO L112 eAbstractionObserver]: Analyzing ICFG 33_double_lock_p1_vs.i [2024-11-10 14:08:51,950 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:08:51,950 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-10 14:08:51,951 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:08:52,034 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:08:52,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 107 transitions, 222 flow [2024-11-10 14:08:52,125 INFO L124 PetriNetUnfolderBase]: 8/116 cut-off events. [2024-11-10 14:08:52,126 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:08:52,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 116 events. 8/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 315 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 98. Up to 4 conditions per place. [2024-11-10 14:08:52,134 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 107 transitions, 222 flow [2024-11-10 14:08:52,138 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 106 transitions, 219 flow [2024-11-10 14:08:52,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:08:52,154 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;@287c22e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:08:52,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-10 14:08:52,164 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:08:52,164 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events. [2024-11-10 14:08:52,165 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:08:52,165 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:08:52,165 INFO L204 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] [2024-11-10 14:08:52,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:08:52,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:08:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash 352274264, now seen corresponding path program 1 times [2024-11-10 14:08:52,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:08:52,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313283747] [2024-11-10 14:08:52,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:08:52,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:08:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:08:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:08:52,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:08:52,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313283747] [2024-11-10 14:08:52,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313283747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:08:52,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:08:52,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:08:52,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302822118] [2024-11-10 14:08:52,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:08:52,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:08:52,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:08:52,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:08:52,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:08:52,684 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 107 [2024-11-10 14:08:52,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 106 transitions, 219 flow. Second operand has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2024-11-10 14:08:52,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:08:52,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 107 [2024-11-10 14:08:52,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:08:52,830 INFO L124 PetriNetUnfolderBase]: 54/212 cut-off events. [2024-11-10 14:08:52,830 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 14:08:52,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 212 events. 54/212 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 817 event pairs, 35 based on Foata normal form. 144/326 useless extension candidates. Maximal degree in co-relation 293. Up to 95 conditions per place. [2024-11-10 14:08:52,835 INFO L140 encePairwiseOnDemand]: 77/107 looper letters, 14 selfloop transitions, 0 changer transitions 0/69 dead transitions. [2024-11-10 14:08:52,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 69 transitions, 173 flow [2024-11-10 14:08:52,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:08:52,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:08:52,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 168 transitions. [2024-11-10 14:08:52,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7850467289719626 [2024-11-10 14:08:52,851 INFO L175 Difference]: Start difference. First operand has 105 places, 106 transitions, 219 flow. Second operand 2 states and 168 transitions. [2024-11-10 14:08:52,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 69 transitions, 173 flow [2024-11-10 14:08:52,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 69 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:08:52,857 INFO L231 Difference]: Finished difference. Result has 72 places, 69 transitions, 144 flow [2024-11-10 14:08:52,861 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=144, PETRI_PLACES=72, PETRI_TRANSITIONS=69} [2024-11-10 14:08:52,864 INFO L277 CegarLoopForPetriNet]: 105 programPoint places, -33 predicate places. [2024-11-10 14:08:52,866 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 69 transitions, 144 flow [2024-11-10 14:08:52,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2024-11-10 14:08:52,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:08:52,867 INFO L204 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] [2024-11-10 14:08:52,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:08:52,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:08:52,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:08:52,868 INFO L85 PathProgramCache]: Analyzing trace with hash -766820388, now seen corresponding path program 1 times [2024-11-10 14:08:52,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:08:52,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830480732] [2024-11-10 14:08:52,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:08:52,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:08:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:08:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:08:52,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:08:52,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830480732] [2024-11-10 14:08:52,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830480732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:08:52,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:08:52,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:08:52,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262288429] [2024-11-10 14:08:52,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:08:52,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:08:52,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:08:52,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:08:52,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:08:52,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 107 [2024-11-10 14:08:52,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-11-10 14:08:52,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:08:52,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 107 [2024-11-10 14:08:52,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:08:53,100 INFO L124 PetriNetUnfolderBase]: 146/441 cut-off events. [2024-11-10 14:08:53,100 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:08:53,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 441 events. 146/441 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2347 event pairs, 31 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 744. Up to 148 conditions per place. [2024-11-10 14:08:53,107 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 29 selfloop transitions, 8 changer transitions 0/86 dead transitions. [2024-11-10 14:08:53,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 86 transitions, 255 flow [2024-11-10 14:08:53,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:08:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:08:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 207 transitions. [2024-11-10 14:08:53,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6448598130841121 [2024-11-10 14:08:53,113 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 144 flow. Second operand 3 states and 207 transitions. [2024-11-10 14:08:53,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 86 transitions, 255 flow [2024-11-10 14:08:53,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 86 transitions, 255 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:08:53,116 INFO L231 Difference]: Finished difference. Result has 76 places, 77 transitions, 212 flow [2024-11-10 14:08:53,117 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=76, PETRI_TRANSITIONS=77} [2024-11-10 14:08:53,117 INFO L277 CegarLoopForPetriNet]: 105 programPoint places, -29 predicate places. [2024-11-10 14:08:53,118 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 77 transitions, 212 flow [2024-11-10 14:08:53,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-11-10 14:08:53,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:08:53,119 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:08:53,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:08:53,119 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:08:53,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:08:53,120 INFO L85 PathProgramCache]: Analyzing trace with hash 883935089, now seen corresponding path program 1 times [2024-11-10 14:08:53,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:08:53,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47508369] [2024-11-10 14:08:53,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:08:53,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:08:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:08:53,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:08:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:08:53,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:08:53,177 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:08:53,178 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-11-10 14:08:53,179 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-10 14:08:53,179 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-10 14:08:53,180 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-10 14:08:53,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-10 14:08:53,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-10 14:08:53,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-10 14:08:53,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-10 14:08:53,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-10 14:08:53,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-10 14:08:53,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-10 14:08:53,184 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-10 14:08:53,184 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-10 14:08:53,184 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-10 14:08:53,184 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-10 14:08:53,185 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-10 14:08:53,185 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-10 14:08:53,185 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-10 14:08:53,186 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-10 14:08:53,187 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-10 14:08:53,187 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-10 14:08:53,187 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-10 14:08:53,187 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-10 14:08:53,188 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-10 14:08:53,188 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-10 14:08:53,188 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-10 14:08:53,188 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-10 14:08:53,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2024-11-10 14:08:53,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-10 14:08:53,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-10 14:08:53,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-11-10 14:08:53,189 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-10 14:08:53,190 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-10 14:08:53,190 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-10 14:08:53,190 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-10 14:08:53,190 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-10 14:08:53,191 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-10 14:08:53,191 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-10 14:08:53,191 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-10 14:08:53,191 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-10 14:08:53,192 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-10 14:08:53,192 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-10 14:08:53,192 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-10 14:08:53,192 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-10 14:08:53,192 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-10 14:08:53,193 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-10 14:08:53,193 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-10 14:08:53,193 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-10 14:08:53,193 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-10 14:08:53,193 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-10 14:08:53,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-10 14:08:53,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-10 14:08:53,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-10 14:08:53,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-10 14:08:53,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:08:53,195 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-10 14:08:53,197 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:08:53,197 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 14:08:53,297 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:08:53,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 179 transitions, 378 flow [2024-11-10 14:08:53,328 INFO L124 PetriNetUnfolderBase]: 10/164 cut-off events. [2024-11-10 14:08:53,329 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:08:53,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 164 events. 10/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 505 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 171. Up to 6 conditions per place. [2024-11-10 14:08:53,330 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 179 transitions, 378 flow [2024-11-10 14:08:53,333 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 142 transitions, 297 flow [2024-11-10 14:08:53,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:08:53,335 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;@287c22e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:08:53,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2024-11-10 14:08:53,339 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:08:53,339 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events. [2024-11-10 14:08:53,340 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:08:53,340 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:08:53,340 INFO L204 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] [2024-11-10 14:08:53,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:08:53,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:08:53,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1094356322, now seen corresponding path program 1 times [2024-11-10 14:08:53,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:08:53,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122834733] [2024-11-10 14:08:53,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:08:53,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:08:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:08:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:08:53,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:08:53,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122834733] [2024-11-10 14:08:53,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122834733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:08:53,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:08:53,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:08:53,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248177781] [2024-11-10 14:08:53,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:08:53,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:08:53,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:08:53,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:08:53,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:08:53,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 179 [2024-11-10 14:08:53,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 142 transitions, 297 flow. Second operand has 2 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 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) [2024-11-10 14:08:53,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:08:53,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 179 [2024-11-10 14:08:53,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:08:53,856 INFO L124 PetriNetUnfolderBase]: 882/1678 cut-off events. [2024-11-10 14:08:53,857 INFO L125 PetriNetUnfolderBase]: For 141/141 co-relation queries the response was YES. [2024-11-10 14:08:53,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3092 conditions, 1678 events. 882/1678 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 10623 event pairs, 719 based on Foata normal form. 1428/3048 useless extension candidates. Maximal degree in co-relation 3064. Up to 1265 conditions per place. [2024-11-10 14:08:53,876 INFO L140 encePairwiseOnDemand]: 133/179 looper letters, 23 selfloop transitions, 0 changer transitions 0/89 dead transitions. [2024-11-10 14:08:53,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 89 transitions, 237 flow [2024-11-10 14:08:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:08:53,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:08:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 251 transitions. [2024-11-10 14:08:53,880 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7011173184357542 [2024-11-10 14:08:53,880 INFO L175 Difference]: Start difference. First operand has 142 places, 142 transitions, 297 flow. Second operand 2 states and 251 transitions. [2024-11-10 14:08:53,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 89 transitions, 237 flow [2024-11-10 14:08:53,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 89 transitions, 236 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:08:53,885 INFO L231 Difference]: Finished difference. Result has 93 places, 89 transitions, 190 flow [2024-11-10 14:08:53,885 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=190, PETRI_PLACES=93, PETRI_TRANSITIONS=89} [2024-11-10 14:08:53,887 INFO L277 CegarLoopForPetriNet]: 142 programPoint places, -49 predicate places. [2024-11-10 14:08:53,887 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 89 transitions, 190 flow [2024-11-10 14:08:53,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 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) [2024-11-10 14:08:53,887 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:08:53,888 INFO L204 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] [2024-11-10 14:08:53,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:08:53,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:08:53,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:08:53,891 INFO L85 PathProgramCache]: Analyzing trace with hash 590598338, now seen corresponding path program 1 times [2024-11-10 14:08:53,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:08:53,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823861846] [2024-11-10 14:08:53,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:08:53,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:08:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:08:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:08:53,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:08:53,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823861846] [2024-11-10 14:08:53,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823861846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:08:53,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:08:53,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:08:53,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263551372] [2024-11-10 14:08:53,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:08:53,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:08:53,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:08:53,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:08:53,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:08:53,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 179 [2024-11-10 14:08:53,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 89 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2024-11-10 14:08:53,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:08:53,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 179 [2024-11-10 14:08:53,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:08:54,821 INFO L124 PetriNetUnfolderBase]: 3025/5976 cut-off events. [2024-11-10 14:08:54,822 INFO L125 PetriNetUnfolderBase]: For 458/458 co-relation queries the response was YES. [2024-11-10 14:08:54,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10838 conditions, 5976 events. 3025/5976 cut-off events. For 458/458 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 48831 event pairs, 910 based on Foata normal form. 0/5485 useless extension candidates. Maximal degree in co-relation 10833. Up to 2663 conditions per place. [2024-11-10 14:08:54,891 INFO L140 encePairwiseOnDemand]: 165/179 looper letters, 43 selfloop transitions, 12 changer transitions 0/115 dead transitions. [2024-11-10 14:08:54,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 115 transitions, 360 flow [2024-11-10 14:08:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:08:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:08:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2024-11-10 14:08:54,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.547486033519553 [2024-11-10 14:08:54,894 INFO L175 Difference]: Start difference. First operand has 93 places, 89 transitions, 190 flow. Second operand 3 states and 294 transitions. [2024-11-10 14:08:54,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 115 transitions, 360 flow [2024-11-10 14:08:54,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 115 transitions, 360 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:08:54,898 INFO L231 Difference]: Finished difference. Result has 97 places, 101 transitions, 290 flow [2024-11-10 14:08:54,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=97, PETRI_TRANSITIONS=101} [2024-11-10 14:08:54,899 INFO L277 CegarLoopForPetriNet]: 142 programPoint places, -45 predicate places. [2024-11-10 14:08:54,899 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 101 transitions, 290 flow [2024-11-10 14:08:54,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2024-11-10 14:08:54,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:08:54,900 INFO L204 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] [2024-11-10 14:08:54,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:08:54,901 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:08:54,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:08:54,902 INFO L85 PathProgramCache]: Analyzing trace with hash -382764119, now seen corresponding path program 1 times [2024-11-10 14:08:54,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:08:54,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423088950] [2024-11-10 14:08:54,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:08:54,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:08:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:08:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:08:55,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:08:55,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423088950] [2024-11-10 14:08:55,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423088950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:08:55,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:08:55,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:08:55,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332565016] [2024-11-10 14:08:55,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:08:55,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:08:55,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:08:55,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:08:55,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:08:55,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 179 [2024-11-10 14:08:55,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 101 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2024-11-10 14:08:55,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:08:55,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 179 [2024-11-10 14:08:55,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:08:55,889 INFO L124 PetriNetUnfolderBase]: 2675/6022 cut-off events. [2024-11-10 14:08:55,889 INFO L125 PetriNetUnfolderBase]: For 2845/2845 co-relation queries the response was YES. [2024-11-10 14:08:55,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13415 conditions, 6022 events. 2675/6022 cut-off events. For 2845/2845 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 48860 event pairs, 533 based on Foata normal form. 212/5970 useless extension candidates. Maximal degree in co-relation 13408. Up to 1860 conditions per place. [2024-11-10 14:08:55,953 INFO L140 encePairwiseOnDemand]: 170/179 looper letters, 51 selfloop transitions, 9 changer transitions 0/128 dead transitions. [2024-11-10 14:08:55,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 128 transitions, 520 flow [2024-11-10 14:08:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:08:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:08:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-10 14:08:55,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5847299813780261 [2024-11-10 14:08:55,957 INFO L175 Difference]: Start difference. First operand has 97 places, 101 transitions, 290 flow. Second operand 3 states and 314 transitions. [2024-11-10 14:08:55,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 128 transitions, 520 flow [2024-11-10 14:08:55,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 128 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:08:55,971 INFO L231 Difference]: Finished difference. Result has 98 places, 107 transitions, 317 flow [2024-11-10 14:08:55,971 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=98, PETRI_TRANSITIONS=107} [2024-11-10 14:08:55,972 INFO L277 CegarLoopForPetriNet]: 142 programPoint places, -44 predicate places. [2024-11-10 14:08:55,972 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 107 transitions, 317 flow [2024-11-10 14:08:55,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2024-11-10 14:08:55,973 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:08:55,973 INFO L204 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] [2024-11-10 14:08:55,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:08:55,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-10 14:08:55,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:08:55,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1297102679, now seen corresponding path program 1 times [2024-11-10 14:08:55,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:08:55,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546260882] [2024-11-10 14:08:55,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:08:55,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:08:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:08:55,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:08:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:08:56,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:08:56,075 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:08:56,075 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2024-11-10 14:08:56,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2024-11-10 14:08:56,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2024-11-10 14:08:56,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2024-11-10 14:08:56,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2024-11-10 14:08:56,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2024-11-10 14:08:56,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2024-11-10 14:08:56,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2024-11-10 14:08:56,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2024-11-10 14:08:56,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2024-11-10 14:08:56,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2024-11-10 14:08:56,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2024-11-10 14:08:56,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2024-11-10 14:08:56,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2024-11-10 14:08:56,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2024-11-10 14:08:56,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2024-11-10 14:08:56,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2024-11-10 14:08:56,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2024-11-10 14:08:56,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2024-11-10 14:08:56,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 80 remaining) [2024-11-10 14:08:56,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 80 remaining) [2024-11-10 14:08:56,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2024-11-10 14:08:56,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2024-11-10 14:08:56,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2024-11-10 14:08:56,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2024-11-10 14:08:56,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2024-11-10 14:08:56,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2024-11-10 14:08:56,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2024-11-10 14:08:56,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2024-11-10 14:08:56,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2024-11-10 14:08:56,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2024-11-10 14:08:56,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2024-11-10 14:08:56,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2024-11-10 14:08:56,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2024-11-10 14:08:56,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2024-11-10 14:08:56,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2024-11-10 14:08:56,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2024-11-10 14:08:56,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (34 of 80 remaining) [2024-11-10 14:08:56,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (33 of 80 remaining) [2024-11-10 14:08:56,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2024-11-10 14:08:56,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2024-11-10 14:08:56,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2024-11-10 14:08:56,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2024-11-10 14:08:56,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2024-11-10 14:08:56,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2024-11-10 14:08:56,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2024-11-10 14:08:56,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2024-11-10 14:08:56,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2024-11-10 14:08:56,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2024-11-10 14:08:56,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2024-11-10 14:08:56,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2024-11-10 14:08:56,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2024-11-10 14:08:56,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2024-11-10 14:08:56,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2024-11-10 14:08:56,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2024-11-10 14:08:56,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2024-11-10 14:08:56,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:08:56,096 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 14:08:56,147 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2024-11-10 14:08:56,147 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:08:56,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:08:56 BasicIcfg [2024-11-10 14:08:56,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:08:56,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:08:56,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:08:56,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:08:56,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:08:51" (3/4) ... [2024-11-10 14:08:56,155 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-10 14:08:56,211 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:08:56,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:08:56,212 INFO L158 Benchmark]: Toolchain (without parser) took 6054.80ms. Allocated memory was 190.8MB in the beginning and 354.4MB in the end (delta: 163.6MB). Free memory was 158.0MB in the beginning and 227.6MB in the end (delta: -69.6MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2024-11-10 14:08:56,212 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 190.8MB. Free memory is still 159.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:08:56,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.64ms. Allocated memory is still 190.8MB. Free memory was 158.0MB in the beginning and 135.0MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:08:56,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.31ms. Allocated memory is still 190.8MB. Free memory was 135.0MB in the beginning and 131.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:08:56,215 INFO L158 Benchmark]: Boogie Preprocessor took 54.31ms. Allocated memory is still 190.8MB. Free memory was 131.6MB in the beginning and 128.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:08:56,215 INFO L158 Benchmark]: IcfgBuilder took 1143.94ms. Allocated memory is still 190.8MB. Free memory was 128.7MB in the beginning and 122.2MB in the end (delta: 6.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-10 14:08:56,216 INFO L158 Benchmark]: TraceAbstraction took 4228.28ms. Allocated memory was 190.8MB in the beginning and 354.4MB in the end (delta: 163.6MB). Free memory was 122.2MB in the beginning and 237.0MB in the end (delta: -114.8MB). Peak memory consumption was 223.9MB. Max. memory is 16.1GB. [2024-11-10 14:08:56,216 INFO L158 Benchmark]: Witness Printer took 57.87ms. Allocated memory is still 354.4MB. Free memory was 237.0MB in the beginning and 227.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 14:08:56,217 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 190.8MB. Free memory is still 159.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.64ms. Allocated memory is still 190.8MB. Free memory was 158.0MB in the beginning and 135.0MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.31ms. Allocated memory is still 190.8MB. Free memory was 135.0MB in the beginning and 131.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.31ms. Allocated memory is still 190.8MB. Free memory was 131.6MB in the beginning and 128.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1143.94ms. Allocated memory is still 190.8MB. Free memory was 128.7MB in the beginning and 122.2MB in the end (delta: 6.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4228.28ms. Allocated memory was 190.8MB in the beginning and 354.4MB in the end (delta: 163.6MB). Free memory was 122.2MB in the beginning and 237.0MB in the end (delta: -114.8MB). Peak memory consumption was 223.9MB. Max. memory is 16.1GB. * Witness Printer took 57.87ms. Allocated memory is still 354.4MB. Free memory was 237.0MB in the beginning and 227.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 729]: Data race detected Data race detected The following path leads to a data race: [L689] 0 int count = 0; VAL [count=0] [L708] 0 int mutexa = 0; VAL [count=0, mutexa={3:0}] [L709] 0 int mutexb = 0; VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L747] 0 pthread_t t; VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L748] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=-1] [L726] COND TRUE 1 1 VAL [\old(arg)={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}] [L749] COND TRUE 0 1 VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=-1] [L751] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=0] [L739] COND FALSE 2 !(__VERIFIER_nondet_int()) VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L742] CALL 2 my_thread2() [L719] CALL 2 __VERIFIER_atomic_acquire(&mutexb) [L692] EXPR 2 \read(*m) [L692] EXPR 2 *m==0 [L692] CALL 2 assume_abort_if_not(*m==0) [L4] COND FALSE 2 !(!cond) [L692] RET 2 assume_abort_if_not(*m==0) [L693] 2 *m = 1 [L719] RET 2 __VERIFIER_atomic_acquire(&mutexb) [L728] CALL 1 __VERIFIER_atomic_acquire(&mutexa) [L692] EXPR 1 \read(*m) [L692] EXPR 1 *m==0 [L692] CALL 1 assume_abort_if_not(*m==0) [L4] COND FALSE 1 !(!cond) [L692] RET 1 assume_abort_if_not(*m==0) [L693] 1 *m = 1 [L728] RET 1 __VERIFIER_atomic_acquire(&mutexa) [L729] 1 count >= -1 VAL [\old(arg)={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}] [L720] CALL 2 __VERIFIER_atomic_dec() [L706] 2 count-- [L720] RET 2 __VERIFIER_atomic_dec() [L729] 1 count >= -1 VAL [\old(arg)={0:0}, arg={0:0}, count=-1, mutexa={3:0}, mutexb={4:0}] Now there is a data race on ~count~0 between C: count-- [706] and C: count >= -1 [729] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 731]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 751]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 168 locations, 54 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 3 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 234 locations, 80 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: 2.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 11 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-10 14:08:56,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE