./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/szymanski.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-atomic/szymanski.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 a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:05:53,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:05:54,008 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:05:54,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:05:54,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:05:54,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:05:54,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:05:54,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:05:54,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:05:54,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:05:54,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:05:54,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:05:54,046 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:05:54,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:05:54,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:05:54,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:05:54,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:05:54,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:05:54,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:05:54,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:05:54,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:05:54,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:05:54,051 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:05:54,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:05:54,051 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:05:54,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:05:54,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:05:54,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:05:54,052 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:05:54,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:05:54,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:05:54,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:05:54,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:05:54,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:05:54,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:05:54,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:05:54,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:05:54,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:05:54,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:05:54,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:05:54,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:05:54,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cd4be37ada319d324d40d8d6c18fff519996a186a93f33b3070275487295e3 [2024-11-10 14:05:54,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:05:54,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:05:54,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:05:54,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:05:54,268 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:05:54,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-10 14:05:55,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:05:55,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:05:55,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2024-11-10 14:05:55,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d60e4c6e/474f4a4c8d4c43f681c9b918ce8c1eaa/FLAG323aa03fe [2024-11-10 14:05:55,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d60e4c6e/474f4a4c8d4c43f681c9b918ce8c1eaa [2024-11-10 14:05:55,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:05:55,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:05:55,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:05:55,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:05:56,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:05:56,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:05:55" (1/1) ... [2024-11-10 14:05:56,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627e5790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56, skipping insertion in model container [2024-11-10 14:05:56,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:05:55" (1/1) ... [2024-11-10 14:05:56,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:05:56,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:05:56,310 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:05:56,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:05:56,402 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:05:56,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56 WrapperNode [2024-11-10 14:05:56,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:05:56,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:05:56,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:05:56,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:05:56,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,433 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-10 14:05:56,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:05:56,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:05:56,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:05:56,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:05:56,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,447 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:05:56,451 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:05:56,451 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:05:56,451 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:05:56,452 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (1/1) ... [2024-11-10 14:05:56,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:05:56,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:05:56,489 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 14:05:56,491 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 14:05:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-10 14:05:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-10 14:05:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-10 14:05:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-10 14:05:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:05:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:05:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:05:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:05:56,530 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 14:05:56,644 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:05:56,646 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:05:56,801 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:05:56,804 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:05:56,825 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:05:56,825 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:05:56,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:05:56 BoogieIcfgContainer [2024-11-10 14:05:56,826 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:05:56,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:05:56,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:05:56,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:05:56,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:05:55" (1/3) ... [2024-11-10 14:05:56,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73af4054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:05:56, skipping insertion in model container [2024-11-10 14:05:56,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:56" (2/3) ... [2024-11-10 14:05:56,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73af4054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:05:56, skipping insertion in model container [2024-11-10 14:05:56,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:05:56" (3/3) ... [2024-11-10 14:05:56,833 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-11-10 14:05:56,847 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:05:56,848 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 14:05:56,848 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:05:56,910 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:05:56,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 117 transitions, 248 flow [2024-11-10 14:05:56,987 INFO L124 PetriNetUnfolderBase]: 22/115 cut-off events. [2024-11-10 14:05:56,987 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:05:56,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 115 events. 22/115 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 179 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2024-11-10 14:05:56,996 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 117 transitions, 248 flow [2024-11-10 14:05:57,000 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 110 transitions, 229 flow [2024-11-10 14:05:57,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:05:57,012 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;@27f48a9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:05:57,013 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 14:05:57,022 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:05:57,022 INFO L124 PetriNetUnfolderBase]: 9/57 cut-off events. [2024-11-10 14:05:57,023 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:05:57,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:57,023 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] [2024-11-10 14:05:57,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:57,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:57,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1372911369, now seen corresponding path program 1 times [2024-11-10 14:05:57,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:57,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616943599] [2024-11-10 14:05:57,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:57,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:57,193 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 14:05:57,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:57,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616943599] [2024-11-10 14:05:57,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616943599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:57,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:57,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:05:57,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757509631] [2024-11-10 14:05:57,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:57,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:05:57,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:57,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:05:57,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:05:57,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 117 [2024-11-10 14:05:57,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 110 transitions, 229 flow. Second operand has 2 states, 2 states have (on average 94.0) internal successors, (188), 2 states have internal predecessors, (188), 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 14:05:57,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:57,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 117 [2024-11-10 14:05:57,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:57,338 INFO L124 PetriNetUnfolderBase]: 75/340 cut-off events. [2024-11-10 14:05:57,339 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-10 14:05:57,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 340 events. 75/340 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1460 event pairs, 35 based on Foata normal form. 72/342 useless extension candidates. Maximal degree in co-relation 395. Up to 84 conditions per place. [2024-11-10 14:05:57,347 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 13 selfloop transitions, 0 changer transitions 0/96 dead transitions. [2024-11-10 14:05:57,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 96 transitions, 227 flow [2024-11-10 14:05:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:05:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:05:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 207 transitions. [2024-11-10 14:05:57,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8846153846153846 [2024-11-10 14:05:57,371 INFO L175 Difference]: Start difference. First operand has 95 places, 110 transitions, 229 flow. Second operand 2 states and 207 transitions. [2024-11-10 14:05:57,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 96 transitions, 227 flow [2024-11-10 14:05:57,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 96 transitions, 222 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:05:57,376 INFO L231 Difference]: Finished difference. Result has 91 places, 96 transitions, 196 flow [2024-11-10 14:05:57,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=196, PETRI_PLACES=91, PETRI_TRANSITIONS=96} [2024-11-10 14:05:57,379 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, -4 predicate places. [2024-11-10 14:05:57,379 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 96 transitions, 196 flow [2024-11-10 14:05:57,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 94.0) internal successors, (188), 2 states have internal predecessors, (188), 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 14:05:57,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:57,380 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] [2024-11-10 14:05:57,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:05:57,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:57,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:57,381 INFO L85 PathProgramCache]: Analyzing trace with hash -592480246, now seen corresponding path program 1 times [2024-11-10 14:05:57,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:57,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809178151] [2024-11-10 14:05:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:57,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:57,483 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 14:05:57,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:57,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809178151] [2024-11-10 14:05:57,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809178151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:57,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:57,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:05:57,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389605208] [2024-11-10 14:05:57,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:57,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:57,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:57,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:57,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:57,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2024-11-10 14:05:57,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 96 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 14:05:57,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:57,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2024-11-10 14:05:57,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:57,598 INFO L124 PetriNetUnfolderBase]: 145/496 cut-off events. [2024-11-10 14:05:57,598 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-10 14:05:57,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 496 events. 145/496 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2587 event pairs, 72 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 728. Up to 177 conditions per place. [2024-11-10 14:05:57,601 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 26 selfloop transitions, 5 changer transitions 0/106 dead transitions. [2024-11-10 14:05:57,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 106 transitions, 280 flow [2024-11-10 14:05:57,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:57,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-11-10 14:05:57,604 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8005698005698005 [2024-11-10 14:05:57,604 INFO L175 Difference]: Start difference. First operand has 91 places, 96 transitions, 196 flow. Second operand 3 states and 281 transitions. [2024-11-10 14:05:57,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 106 transitions, 280 flow [2024-11-10 14:05:57,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 106 transitions, 280 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:05:57,607 INFO L231 Difference]: Finished difference. Result has 95 places, 100 transitions, 234 flow [2024-11-10 14:05:57,607 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=95, PETRI_TRANSITIONS=100} [2024-11-10 14:05:57,608 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 0 predicate places. [2024-11-10 14:05:57,608 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 100 transitions, 234 flow [2024-11-10 14:05:57,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 14:05:57,608 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:57,608 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] [2024-11-10 14:05:57,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:05:57,609 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:57,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:57,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1736862998, now seen corresponding path program 1 times [2024-11-10 14:05:57,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:57,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737217603] [2024-11-10 14:05:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:57,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:57,660 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 14:05:57,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:57,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737217603] [2024-11-10 14:05:57,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737217603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:57,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:57,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:05:57,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595367062] [2024-11-10 14:05:57,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:57,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:57,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:57,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:57,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:57,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2024-11-10 14:05:57,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 100 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 14:05:57,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:57,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2024-11-10 14:05:57,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:57,758 INFO L124 PetriNetUnfolderBase]: 147/589 cut-off events. [2024-11-10 14:05:57,758 INFO L125 PetriNetUnfolderBase]: For 75/77 co-relation queries the response was YES. [2024-11-10 14:05:57,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 589 events. 147/589 cut-off events. For 75/77 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3211 event pairs, 39 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 918. Up to 128 conditions per place. [2024-11-10 14:05:57,762 INFO L140 encePairwiseOnDemand]: 109/117 looper letters, 34 selfloop transitions, 7 changer transitions 0/118 dead transitions. [2024-11-10 14:05:57,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 118 transitions, 363 flow [2024-11-10 14:05:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-10 14:05:57,768 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8262108262108262 [2024-11-10 14:05:57,768 INFO L175 Difference]: Start difference. First operand has 95 places, 100 transitions, 234 flow. Second operand 3 states and 290 transitions. [2024-11-10 14:05:57,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 118 transitions, 363 flow [2024-11-10 14:05:57,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 118 transitions, 351 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:57,772 INFO L231 Difference]: Finished difference. Result has 97 places, 106 transitions, 286 flow [2024-11-10 14:05:57,772 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=97, PETRI_TRANSITIONS=106} [2024-11-10 14:05:57,773 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 2 predicate places. [2024-11-10 14:05:57,775 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 106 transitions, 286 flow [2024-11-10 14:05:57,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 14:05:57,775 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:57,775 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] [2024-11-10 14:05:57,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:05:57,775 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:57,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:57,776 INFO L85 PathProgramCache]: Analyzing trace with hash 44664564, now seen corresponding path program 1 times [2024-11-10 14:05:57,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:57,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160973755] [2024-11-10 14:05:57,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:57,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:57,833 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 14:05:57,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:57,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160973755] [2024-11-10 14:05:57,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160973755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:57,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:57,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:05:57,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122950980] [2024-11-10 14:05:57,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:57,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:57,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:57,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:57,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:57,868 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2024-11-10 14:05:57,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 106 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 14:05:57,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:57,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2024-11-10 14:05:57,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:57,950 INFO L124 PetriNetUnfolderBase]: 180/694 cut-off events. [2024-11-10 14:05:57,950 INFO L125 PetriNetUnfolderBase]: For 215/223 co-relation queries the response was YES. [2024-11-10 14:05:57,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 694 events. 180/694 cut-off events. For 215/223 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4000 event pairs, 73 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 1202. Up to 222 conditions per place. [2024-11-10 14:05:57,954 INFO L140 encePairwiseOnDemand]: 111/117 looper letters, 26 selfloop transitions, 7 changer transitions 6/116 dead transitions. [2024-11-10 14:05:57,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 116 transitions, 389 flow [2024-11-10 14:05:57,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-11-10 14:05:57,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8005698005698005 [2024-11-10 14:05:57,967 INFO L175 Difference]: Start difference. First operand has 97 places, 106 transitions, 286 flow. Second operand 3 states and 281 transitions. [2024-11-10 14:05:57,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 116 transitions, 389 flow [2024-11-10 14:05:57,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 116 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:57,971 INFO L231 Difference]: Finished difference. Result has 99 places, 106 transitions, 306 flow [2024-11-10 14:05:57,971 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=99, PETRI_TRANSITIONS=106} [2024-11-10 14:05:57,971 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 4 predicate places. [2024-11-10 14:05:57,972 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 106 transitions, 306 flow [2024-11-10 14:05:57,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 14:05:57,972 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:57,972 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:57,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:05:57,973 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:57,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:57,974 INFO L85 PathProgramCache]: Analyzing trace with hash -207862455, now seen corresponding path program 1 times [2024-11-10 14:05:57,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:57,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085904982] [2024-11-10 14:05:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:57,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:58,036 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 14:05:58,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:58,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085904982] [2024-11-10 14:05:58,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085904982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:58,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:58,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:58,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626749730] [2024-11-10 14:05:58,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:58,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:58,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:58,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:58,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:58,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2024-11-10 14:05:58,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 106 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 14:05:58,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:58,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2024-11-10 14:05:58,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:58,140 INFO L124 PetriNetUnfolderBase]: 146/695 cut-off events. [2024-11-10 14:05:58,140 INFO L125 PetriNetUnfolderBase]: For 176/192 co-relation queries the response was YES. [2024-11-10 14:05:58,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 695 events. 146/695 cut-off events. For 176/192 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4080 event pairs, 47 based on Foata normal form. 14/641 useless extension candidates. Maximal degree in co-relation 1176. Up to 126 conditions per place. [2024-11-10 14:05:58,144 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 25 selfloop transitions, 6 changer transitions 0/118 dead transitions. [2024-11-10 14:05:58,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 118 transitions, 395 flow [2024-11-10 14:05:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-10 14:05:58,145 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8262108262108262 [2024-11-10 14:05:58,146 INFO L175 Difference]: Start difference. First operand has 99 places, 106 transitions, 306 flow. Second operand 3 states and 290 transitions. [2024-11-10 14:05:58,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 118 transitions, 395 flow [2024-11-10 14:05:58,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 118 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:58,150 INFO L231 Difference]: Finished difference. Result has 101 places, 111 transitions, 344 flow [2024-11-10 14:05:58,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=101, PETRI_TRANSITIONS=111} [2024-11-10 14:05:58,152 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 6 predicate places. [2024-11-10 14:05:58,153 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 111 transitions, 344 flow [2024-11-10 14:05:58,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 14:05:58,153 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:58,153 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:58,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:05:58,154 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:58,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:58,156 INFO L85 PathProgramCache]: Analyzing trace with hash -651797623, now seen corresponding path program 2 times [2024-11-10 14:05:58,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:58,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343372778] [2024-11-10 14:05:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:58,205 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 14:05:58,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:58,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343372778] [2024-11-10 14:05:58,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343372778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:58,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:58,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:58,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089456288] [2024-11-10 14:05:58,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:58,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:58,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:58,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:58,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:58,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2024-11-10 14:05:58,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 111 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 14:05:58,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:58,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2024-11-10 14:05:58,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:58,294 INFO L124 PetriNetUnfolderBase]: 165/749 cut-off events. [2024-11-10 14:05:58,294 INFO L125 PetriNetUnfolderBase]: For 304/322 co-relation queries the response was YES. [2024-11-10 14:05:58,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 749 events. 165/749 cut-off events. For 304/322 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4440 event pairs, 39 based on Foata normal form. 8/671 useless extension candidates. Maximal degree in co-relation 1382. Up to 101 conditions per place. [2024-11-10 14:05:58,297 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 27 selfloop transitions, 9 changer transitions 0/123 dead transitions. [2024-11-10 14:05:58,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 123 transitions, 455 flow [2024-11-10 14:05:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:58,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2024-11-10 14:05:58,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8233618233618234 [2024-11-10 14:05:58,299 INFO L175 Difference]: Start difference. First operand has 101 places, 111 transitions, 344 flow. Second operand 3 states and 289 transitions. [2024-11-10 14:05:58,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 123 transitions, 455 flow [2024-11-10 14:05:58,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 123 transitions, 439 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:58,303 INFO L231 Difference]: Finished difference. Result has 103 places, 116 transitions, 402 flow [2024-11-10 14:05:58,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=103, PETRI_TRANSITIONS=116} [2024-11-10 14:05:58,305 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 8 predicate places. [2024-11-10 14:05:58,305 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 116 transitions, 402 flow [2024-11-10 14:05:58,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 14:05:58,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:58,305 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:58,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:05:58,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:58,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:58,306 INFO L85 PathProgramCache]: Analyzing trace with hash 746720339, now seen corresponding path program 3 times [2024-11-10 14:05:58,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:58,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577986466] [2024-11-10 14:05:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:58,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:58,336 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 14:05:58,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:58,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577986466] [2024-11-10 14:05:58,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577986466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:58,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:58,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:58,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319808695] [2024-11-10 14:05:58,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:58,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:58,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:58,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:58,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:58,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 117 [2024-11-10 14:05:58,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 116 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 14:05:58,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:58,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 117 [2024-11-10 14:05:58,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:58,415 INFO L124 PetriNetUnfolderBase]: 164/731 cut-off events. [2024-11-10 14:05:58,415 INFO L125 PetriNetUnfolderBase]: For 549/580 co-relation queries the response was YES. [2024-11-10 14:05:58,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1466 conditions, 731 events. 164/731 cut-off events. For 549/580 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4216 event pairs, 41 based on Foata normal form. 10/647 useless extension candidates. Maximal degree in co-relation 1457. Up to 166 conditions per place. [2024-11-10 14:05:58,418 INFO L140 encePairwiseOnDemand]: 108/117 looper letters, 31 selfloop transitions, 5 changer transitions 1/123 dead transitions. [2024-11-10 14:05:58,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 123 transitions, 495 flow [2024-11-10 14:05:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 287 transitions. [2024-11-10 14:05:58,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8176638176638177 [2024-11-10 14:05:58,419 INFO L175 Difference]: Start difference. First operand has 103 places, 116 transitions, 402 flow. Second operand 3 states and 287 transitions. [2024-11-10 14:05:58,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 123 transitions, 495 flow [2024-11-10 14:05:58,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 123 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:58,434 INFO L231 Difference]: Finished difference. Result has 105 places, 115 transitions, 418 flow [2024-11-10 14:05:58,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=105, PETRI_TRANSITIONS=115} [2024-11-10 14:05:58,435 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 10 predicate places. [2024-11-10 14:05:58,435 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 115 transitions, 418 flow [2024-11-10 14:05:58,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 14:05:58,436 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:58,436 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:58,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:05:58,436 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:58,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:58,436 INFO L85 PathProgramCache]: Analyzing trace with hash -374400621, now seen corresponding path program 4 times [2024-11-10 14:05:58,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:58,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566607188] [2024-11-10 14:05:58,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:58,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:58,479 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 14:05:58,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566607188] [2024-11-10 14:05:58,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566607188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:58,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:58,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:58,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302436480] [2024-11-10 14:05:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:58,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:58,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:58,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2024-11-10 14:05:58,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 115 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 14:05:58,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:58,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2024-11-10 14:05:58,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:58,562 INFO L124 PetriNetUnfolderBase]: 163/620 cut-off events. [2024-11-10 14:05:58,562 INFO L125 PetriNetUnfolderBase]: For 477/492 co-relation queries the response was YES. [2024-11-10 14:05:58,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1313 conditions, 620 events. 163/620 cut-off events. For 477/492 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3162 event pairs, 44 based on Foata normal form. 17/613 useless extension candidates. Maximal degree in co-relation 1303. Up to 156 conditions per place. [2024-11-10 14:05:58,564 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 0 selfloop transitions, 0 changer transitions 118/118 dead transitions. [2024-11-10 14:05:58,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 118 transitions, 517 flow [2024-11-10 14:05:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2024-11-10 14:05:58,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8262108262108262 [2024-11-10 14:05:58,565 INFO L175 Difference]: Start difference. First operand has 105 places, 115 transitions, 418 flow. Second operand 3 states and 290 transitions. [2024-11-10 14:05:58,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 118 transitions, 517 flow [2024-11-10 14:05:58,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 118 transitions, 471 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-10 14:05:58,568 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2024-11-10 14:05:58,569 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2024-11-10 14:05:58,571 INFO L277 CegarLoopForPetriNet]: 95 programPoint places, 2 predicate places. [2024-11-10 14:05:58,571 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2024-11-10 14:05:58,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 14:05:58,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-10 14:05:58,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-10 14:05:58,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-10 14:05:58,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-10 14:05:58,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-10 14:05:58,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-10 14:05:58,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-10 14:05:58,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-10 14:05:58,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-10 14:05:58,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-10 14:05:58,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:05:58,578 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2024-11-10 14:05:58,582 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:05:58,582 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:05:58,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:05:58 BasicIcfg [2024-11-10 14:05:58,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:05:58,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:05:58,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:05:58,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:05:58,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:05:56" (3/4) ... [2024-11-10 14:05:58,589 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:05:58,594 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-10 14:05:58,594 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-10 14:05:58,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 14:05:58,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:05:58,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:05:58,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:05:58,662 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:05:58,662 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:05:58,662 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:05:58,663 INFO L158 Benchmark]: Toolchain (without parser) took 2666.64ms. Allocated memory was 142.6MB in the beginning and 237.0MB in the end (delta: 94.4MB). Free memory was 70.9MB in the beginning and 155.0MB in the end (delta: -84.1MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-10 14:05:58,663 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:05:58,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.99ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.6MB in the beginning and 164.3MB in the end (delta: -93.7MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-11-10 14:05:58,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.05ms. Allocated memory is still 197.1MB. Free memory was 163.5MB in the beginning and 161.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:05:58,665 INFO L158 Benchmark]: Boogie Preprocessor took 16.69ms. Allocated memory is still 197.1MB. Free memory was 161.4MB in the beginning and 160.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:05:58,665 INFO L158 Benchmark]: IcfgBuilder took 375.06ms. Allocated memory is still 197.1MB. Free memory was 160.4MB in the beginning and 144.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:05:58,665 INFO L158 Benchmark]: TraceAbstraction took 1760.07ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 143.6MB in the beginning and 159.2MB in the end (delta: -15.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-10 14:05:58,665 INFO L158 Benchmark]: Witness Printer took 74.37ms. Allocated memory is still 237.0MB. Free memory was 159.2MB in the beginning and 155.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:05:58,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.99ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.6MB in the beginning and 164.3MB in the end (delta: -93.7MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.05ms. Allocated memory is still 197.1MB. Free memory was 163.5MB in the beginning and 161.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.69ms. Allocated memory is still 197.1MB. Free memory was 161.4MB in the beginning and 160.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 375.06ms. Allocated memory is still 197.1MB. Free memory was 160.4MB in the beginning and 144.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1760.07ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 143.6MB in the beginning and 159.2MB in the end (delta: -15.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 74.37ms. Allocated memory is still 237.0MB. Free memory was 159.2MB in the beginning and 155.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 162 locations, 10 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: 1.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 41 mSDtfsCounter, 385 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=7, InterpolantAutomatonStates: 23, 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, 0.3s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:05:58,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE