./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.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 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:24:57,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:24:57,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:24:57,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:24:57,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:24:57,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:24:57,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:24:57,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:24:57,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:24:57,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:24:57,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:24:57,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:24:57,920 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:24:57,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:24:57,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:24:57,921 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:24:57,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:24:57,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:24:57,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:24:57,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:24:57,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:24:57,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:24:57,923 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:24:57,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:24:57,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:24:57,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:24:57,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:24:57,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:24:57,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:24:57,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:24:57,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:24:57,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:24:57,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:24:57,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:24:57,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:24:57,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:24:57,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:24:57,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:24:57,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:24:57,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:24:57,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:24:57,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 [2024-11-20 13:24:58,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:24:58,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:24:58,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:24:58,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:24:58,149 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:24:58,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i [2024-11-20 13:24:59,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:24:59,973 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:24:59,973 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i [2024-11-20 13:24:59,996 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9719cb24/f0e8760d95384db0bff0964e3c47c447/FLAG00f06bac2 [2024-11-20 13:25:00,010 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9719cb24/f0e8760d95384db0bff0964e3c47c447 [2024-11-20 13:25:00,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:25:00,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:25:00,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:25:00,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:25:00,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:25:00,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a84c41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00, skipping insertion in model container [2024-11-20 13:25:00,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:25:00,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:25:00,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:25:00,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:25:00,532 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:25:00,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00 WrapperNode [2024-11-20 13:25:00,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:25:00,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:25:00,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:25:00,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:25:00,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,584 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 260 [2024-11-20 13:25:00,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:25:00,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:25:00,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:25:00,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:25:00,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:25:00,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:25:00,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:25:00,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:25:00,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (1/1) ... [2024-11-20 13:25:00,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:25:00,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:25:00,650 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) [2024-11-20 13:25:00,652 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 [2024-11-20 13:25:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 13:25:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:25:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:25:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:25:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:25:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 13:25:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:25:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:25:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:25:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:25:00,689 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:25:00,800 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:25:00,801 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:25:01,068 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:25:01,069 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:25:01,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:25:01,109 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 13:25:01,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:25:01 BoogieIcfgContainer [2024-11-20 13:25:01,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:25:01,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:25:01,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:25:01,117 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:25:01,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:25:00" (1/3) ... [2024-11-20 13:25:01,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8c70e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:25:01, skipping insertion in model container [2024-11-20 13:25:01,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:25:00" (2/3) ... [2024-11-20 13:25:01,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8c70e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:25:01, skipping insertion in model container [2024-11-20 13:25:01,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:25:01" (3/3) ... [2024-11-20 13:25:01,120 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-11-20 13:25:01,133 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:25:01,133 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 13:25:01,133 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:25:01,198 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:25:01,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 322 transitions, 658 flow [2024-11-20 13:25:01,355 INFO L124 PetriNetUnfolderBase]: 6/320 cut-off events. [2024-11-20 13:25:01,356 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:25:01,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 6/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 130 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 276. Up to 2 conditions per place. [2024-11-20 13:25:01,364 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 322 transitions, 658 flow [2024-11-20 13:25:01,371 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 310 places, 307 transitions, 626 flow [2024-11-20 13:25:01,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:25:01,390 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;@422b4631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:25:01,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-20 13:25:01,464 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:25:01,464 INFO L124 PetriNetUnfolderBase]: 0/235 cut-off events. [2024-11-20 13:25:01,464 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:25:01,464 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:01,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:25:01,466 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-20 13:25:01,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:01,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1053823298, now seen corresponding path program 1 times [2024-11-20 13:25:01,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:01,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133374180] [2024-11-20 13:25:01,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:02,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:02,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133374180] [2024-11-20 13:25:02,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133374180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:02,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:02,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:25:02,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660005151] [2024-11-20 13:25:02,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:02,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:02,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:02,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:02,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:02,089 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 322 [2024-11-20 13:25:02,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 307 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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) [2024-11-20 13:25:02,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:02,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 322 [2024-11-20 13:25:02,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:02,239 INFO L124 PetriNetUnfolderBase]: 72/549 cut-off events. [2024-11-20 13:25:02,240 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-20 13:25:02,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 549 events. 72/549 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1551 event pairs, 54 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 428. Up to 149 conditions per place. [2024-11-20 13:25:02,247 INFO L140 encePairwiseOnDemand]: 317/322 looper letters, 22 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-20 13:25:02,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 304 transitions, 668 flow [2024-11-20 13:25:02,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:02,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 900 transitions. [2024-11-20 13:25:02,263 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9316770186335404 [2024-11-20 13:25:02,266 INFO L175 Difference]: Start difference. First operand has 310 places, 307 transitions, 626 flow. Second operand 3 states and 900 transitions. [2024-11-20 13:25:02,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 304 transitions, 668 flow [2024-11-20 13:25:02,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 304 transitions, 660 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 13:25:02,277 INFO L231 Difference]: Finished difference. Result has 307 places, 304 transitions, 616 flow [2024-11-20 13:25:02,279 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=307, PETRI_TRANSITIONS=304} [2024-11-20 13:25:02,283 INFO L277 CegarLoopForPetriNet]: 310 programPoint places, -3 predicate places. [2024-11-20 13:25:02,283 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 304 transitions, 616 flow [2024-11-20 13:25:02,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 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) [2024-11-20 13:25:02,284 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:02,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:25:02,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:25:02,285 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-20 13:25:02,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:02,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1136180814, now seen corresponding path program 1 times [2024-11-20 13:25:02,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:02,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134757400] [2024-11-20 13:25:02,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:02,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:02,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:02,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:02,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134757400] [2024-11-20 13:25:02,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134757400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:02,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:02,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:25:02,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548191547] [2024-11-20 13:25:02,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:02,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:02,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:02,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:02,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:02,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 322 [2024-11-20 13:25:02,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 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) [2024-11-20 13:25:02,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:02,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 322 [2024-11-20 13:25:02,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:02,638 INFO L124 PetriNetUnfolderBase]: 149/764 cut-off events. [2024-11-20 13:25:02,638 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-20 13:25:02,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 764 events. 149/764 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3114 event pairs, 51 based on Foata normal form. 1/710 useless extension candidates. Maximal degree in co-relation 847. Up to 209 conditions per place. [2024-11-20 13:25:02,642 INFO L140 encePairwiseOnDemand]: 306/322 looper letters, 36 selfloop transitions, 10 changer transitions 2/323 dead transitions. [2024-11-20 13:25:02,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 323 transitions, 752 flow [2024-11-20 13:25:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:02,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2024-11-20 13:25:02,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461697722567288 [2024-11-20 13:25:02,646 INFO L175 Difference]: Start difference. First operand has 307 places, 304 transitions, 616 flow. Second operand 3 states and 914 transitions. [2024-11-20 13:25:02,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 323 transitions, 752 flow [2024-11-20 13:25:02,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 323 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:25:02,653 INFO L231 Difference]: Finished difference. Result has 308 places, 311 transitions, 693 flow [2024-11-20 13:25:02,653 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=308, PETRI_TRANSITIONS=311} [2024-11-20 13:25:02,654 INFO L277 CegarLoopForPetriNet]: 310 programPoint places, -2 predicate places. [2024-11-20 13:25:02,654 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 311 transitions, 693 flow [2024-11-20 13:25:02,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 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) [2024-11-20 13:25:02,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:02,655 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:25:02,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:25:02,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-20 13:25:02,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:02,656 INFO L85 PathProgramCache]: Analyzing trace with hash 2116977586, now seen corresponding path program 1 times [2024-11-20 13:25:02,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:02,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772965798] [2024-11-20 13:25:02,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:02,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:02,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:02,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772965798] [2024-11-20 13:25:02,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772965798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:02,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:02,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:25:02,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189760979] [2024-11-20 13:25:02,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:02,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:02,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:02,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:02,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:02,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 322 [2024-11-20 13:25:02,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 311 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 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) [2024-11-20 13:25:02,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:02,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 322 [2024-11-20 13:25:02,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:02,922 INFO L124 PetriNetUnfolderBase]: 46/489 cut-off events. [2024-11-20 13:25:02,924 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-20 13:25:02,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 489 events. 46/489 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1089 event pairs, 18 based on Foata normal form. 6/477 useless extension candidates. Maximal degree in co-relation 360. Up to 50 conditions per place. [2024-11-20 13:25:02,928 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 15 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-11-20 13:25:02,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 306 transitions, 701 flow [2024-11-20 13:25:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2024-11-20 13:25:02,930 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-11-20 13:25:02,930 INFO L175 Difference]: Start difference. First operand has 308 places, 311 transitions, 693 flow. Second operand 3 states and 910 transitions. [2024-11-20 13:25:02,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 306 transitions, 701 flow [2024-11-20 13:25:02,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 306 transitions, 687 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:25:02,936 INFO L231 Difference]: Finished difference. Result has 303 places, 303 transitions, 655 flow [2024-11-20 13:25:02,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=303} [2024-11-20 13:25:02,937 INFO L277 CegarLoopForPetriNet]: 310 programPoint places, -7 predicate places. [2024-11-20 13:25:02,937 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 303 transitions, 655 flow [2024-11-20 13:25:02,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 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) [2024-11-20 13:25:02,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:02,939 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:25:02,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:25:02,939 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-20 13:25:02,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:02,940 INFO L85 PathProgramCache]: Analyzing trace with hash 867325656, now seen corresponding path program 1 times [2024-11-20 13:25:02,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:02,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074105699] [2024-11-20 13:25:02,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:02,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:03,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:03,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074105699] [2024-11-20 13:25:03,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074105699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:03,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:03,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:25:03,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975440751] [2024-11-20 13:25:03,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:03,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:03,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:03,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:03,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 322 [2024-11-20 13:25:03,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2024-11-20 13:25:03,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:03,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 322 [2024-11-20 13:25:03,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:03,163 INFO L124 PetriNetUnfolderBase]: 115/636 cut-off events. [2024-11-20 13:25:03,165 INFO L125 PetriNetUnfolderBase]: For 67/76 co-relation queries the response was YES. [2024-11-20 13:25:03,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 995 conditions, 636 events. 115/636 cut-off events. For 67/76 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1893 event pairs, 41 based on Foata normal form. 4/602 useless extension candidates. Maximal degree in co-relation 667. Up to 185 conditions per place. [2024-11-20 13:25:03,167 INFO L140 encePairwiseOnDemand]: 315/322 looper letters, 26 selfloop transitions, 10 changer transitions 2/316 dead transitions. [2024-11-20 13:25:03,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 316 transitions, 770 flow [2024-11-20 13:25:03,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2024-11-20 13:25:03,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-11-20 13:25:03,169 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 655 flow. Second operand 3 states and 910 transitions. [2024-11-20 13:25:03,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 316 transitions, 770 flow [2024-11-20 13:25:03,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 316 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:25:03,174 INFO L231 Difference]: Finished difference. Result has 305 places, 311 transitions, 737 flow [2024-11-20 13:25:03,174 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=737, PETRI_PLACES=305, PETRI_TRANSITIONS=311} [2024-11-20 13:25:03,175 INFO L277 CegarLoopForPetriNet]: 310 programPoint places, -5 predicate places. [2024-11-20 13:25:03,176 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 311 transitions, 737 flow [2024-11-20 13:25:03,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2024-11-20 13:25:03,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:03,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:25:03,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:25:03,177 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-20 13:25:03,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:03,177 INFO L85 PathProgramCache]: Analyzing trace with hash 324164015, now seen corresponding path program 1 times [2024-11-20 13:25:03,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:03,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193493626] [2024-11-20 13:25:03,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:03,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:03,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:03,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193493626] [2024-11-20 13:25:03,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193493626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:03,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:03,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:25:03,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536671601] [2024-11-20 13:25:03,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:03,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:03,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:03,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:03,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:03,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 322 [2024-11-20 13:25:03,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 311 transitions, 737 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 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) [2024-11-20 13:25:03,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:03,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 322 [2024-11-20 13:25:03,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:03,476 INFO L124 PetriNetUnfolderBase]: 6/333 cut-off events. [2024-11-20 13:25:03,477 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-20 13:25:03,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 333 events. 6/333 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 146 event pairs, 1 based on Foata normal form. 4/336 useless extension candidates. Maximal degree in co-relation 327. Up to 16 conditions per place. [2024-11-20 13:25:03,478 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 5 selfloop transitions, 5 changer transitions 8/296 dead transitions. [2024-11-20 13:25:03,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 296 transitions, 666 flow [2024-11-20 13:25:03,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-20 13:25:03,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9565217391304348 [2024-11-20 13:25:03,480 INFO L175 Difference]: Start difference. First operand has 305 places, 311 transitions, 737 flow. Second operand 3 states and 924 transitions. [2024-11-20 13:25:03,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 296 transitions, 666 flow [2024-11-20 13:25:03,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 296 transitions, 636 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-11-20 13:25:03,486 INFO L231 Difference]: Finished difference. Result has 300 places, 287 transitions, 602 flow [2024-11-20 13:25:03,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=300, PETRI_TRANSITIONS=287} [2024-11-20 13:25:03,487 INFO L277 CegarLoopForPetriNet]: 310 programPoint places, -10 predicate places. [2024-11-20 13:25:03,487 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 287 transitions, 602 flow [2024-11-20 13:25:03,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 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) [2024-11-20 13:25:03,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:25:03,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:25:03,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:25:03,489 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-20 13:25:03,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:25:03,491 INFO L85 PathProgramCache]: Analyzing trace with hash -674914863, now seen corresponding path program 1 times [2024-11-20 13:25:03,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:25:03,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093029348] [2024-11-20 13:25:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:25:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:25:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:25:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:25:03,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:25:03,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093029348] [2024-11-20 13:25:03,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093029348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:25:03,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:25:03,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:25:03,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38044581] [2024-11-20 13:25:03,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:25:03,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:25:03,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:25:03,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:25:03,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:25:03,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 322 [2024-11-20 13:25:03,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 287 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 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) [2024-11-20 13:25:03,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:25:03,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 322 [2024-11-20 13:25:03,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:25:03,658 INFO L124 PetriNetUnfolderBase]: 8/324 cut-off events. [2024-11-20 13:25:03,658 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-20 13:25:03,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 324 events. 8/324 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 157 event pairs, 4 based on Foata normal form. 1/323 useless extension candidates. Maximal degree in co-relation 272. Up to 36 conditions per place. [2024-11-20 13:25:03,659 INFO L140 encePairwiseOnDemand]: 320/322 looper letters, 0 selfloop transitions, 0 changer transitions 286/286 dead transitions. [2024-11-20 13:25:03,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 286 transitions, 634 flow [2024-11-20 13:25:03,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:25:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:25:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 895 transitions. [2024-11-20 13:25:03,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9265010351966874 [2024-11-20 13:25:03,661 INFO L175 Difference]: Start difference. First operand has 300 places, 287 transitions, 602 flow. Second operand 3 states and 895 transitions. [2024-11-20 13:25:03,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 286 transitions, 634 flow [2024-11-20 13:25:03,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 286 transitions, 629 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:25:03,666 INFO L231 Difference]: Finished difference. Result has 292 places, 0 transitions, 0 flow [2024-11-20 13:25:03,666 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=292, PETRI_TRANSITIONS=0} [2024-11-20 13:25:03,667 INFO L277 CegarLoopForPetriNet]: 310 programPoint places, -18 predicate places. [2024-11-20 13:25:03,667 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 0 transitions, 0 flow [2024-11-20 13:25:03,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 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) [2024-11-20 13:25:03,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2024-11-20 13:25:03,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2024-11-20 13:25:03,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2024-11-20 13:25:03,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2024-11-20 13:25:03,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2024-11-20 13:25:03,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2024-11-20 13:25:03,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2024-11-20 13:25:03,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2024-11-20 13:25:03,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 16 remaining) [2024-11-20 13:25:03,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 16 remaining) [2024-11-20 13:25:03,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2024-11-20 13:25:03,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2024-11-20 13:25:03,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2024-11-20 13:25:03,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2024-11-20 13:25:03,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2024-11-20 13:25:03,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2024-11-20 13:25:03,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:25:03,675 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-20 13:25:03,680 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:25:03,680 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:25:03,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:25:03 BasicIcfg [2024-11-20 13:25:03,683 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:25:03,684 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:25:03,684 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:25:03,684 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:25:03,684 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:25:01" (3/4) ... [2024-11-20 13:25:03,685 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:25:03,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:25:03,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:25:03,693 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-20 13:25:03,694 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:25:03,694 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 13:25:03,695 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:25:03,777 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:25:03,777 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:25:03,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:25:03,778 INFO L158 Benchmark]: Toolchain (without parser) took 3763.31ms. Allocated memory was 176.2MB in the beginning and 283.1MB in the end (delta: 107.0MB). Free memory was 107.3MB in the beginning and 151.3MB in the end (delta: -44.0MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-20 13:25:03,778 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 135.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:25:03,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.38ms. Allocated memory is still 176.2MB. Free memory was 107.0MB in the beginning and 132.3MB in the end (delta: -25.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-20 13:25:03,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.86ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 128.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:25:03,778 INFO L158 Benchmark]: Boogie Preprocessor took 35.54ms. Allocated memory is still 176.2MB. Free memory was 128.7MB in the beginning and 126.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:25:03,779 INFO L158 Benchmark]: RCFGBuilder took 486.23ms. Allocated memory is still 176.2MB. Free memory was 126.0MB in the beginning and 99.4MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-20 13:25:03,779 INFO L158 Benchmark]: TraceAbstraction took 2569.74ms. Allocated memory was 176.2MB in the beginning and 283.1MB in the end (delta: 107.0MB). Free memory was 98.7MB in the beginning and 158.7MB in the end (delta: -60.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-20 13:25:03,779 INFO L158 Benchmark]: Witness Printer took 93.46ms. Allocated memory is still 283.1MB. Free memory was 158.7MB in the beginning and 151.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 13:25:03,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 135.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.38ms. Allocated memory is still 176.2MB. Free memory was 107.0MB in the beginning and 132.3MB in the end (delta: -25.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.86ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 128.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.54ms. Allocated memory is still 176.2MB. Free memory was 128.7MB in the beginning and 126.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.23ms. Allocated memory is still 176.2MB. Free memory was 126.0MB in the beginning and 99.4MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2569.74ms. Allocated memory was 176.2MB in the beginning and 283.1MB in the end (delta: 107.0MB). Free memory was 98.7MB in the beginning and 158.7MB in the end (delta: -60.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Witness Printer took 93.46ms. Allocated memory is still 283.1MB. Free memory was 158.7MB in the beginning and 151.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 956]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 964]: 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, 369 locations, 16 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 320 IncrementalHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 62 mSDtfsCounter, 320 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred in iteration=4, InterpolantAutomatonStates: 18, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1541 NumberOfCodeBlocks, 1541 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:25:03,796 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