./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/lamport.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 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:28:22,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:28:22,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:28:22,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:28:22,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:28:23,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:28:23,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:28:23,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:28:23,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:28:23,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:28:23,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:28:23,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:28:23,010 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:28:23,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:28:23,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:28:23,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:28:23,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:28:23,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:28:23,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:28:23,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:28:23,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:28:23,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:28:23,014 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:28:23,014 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:28:23,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:28:23,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:28:23,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:28:23,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:28:23,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:28:23,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:28:23,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:28:23,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:28:23,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:28:23,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:28:23,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:28:23,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:28:23,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:28:23,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:28:23,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:28:23,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:28:23,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:28:23,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c [2024-11-19 05:28:23,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:28:23,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:28:23,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:28:23,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:28:23,355 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:28:23,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-19 05:28:24,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:28:25,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:28:25,101 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-19 05:28:25,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f277a01/c4de2c3cf0674ec8be59c0dbd821de32/FLAG7336c4d93 [2024-11-19 05:28:25,131 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f277a01/c4de2c3cf0674ec8be59c0dbd821de32 [2024-11-19 05:28:25,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:28:25,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:28:25,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:28:25,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:28:25,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:28:25,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b97676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25, skipping insertion in model container [2024-11-19 05:28:25,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:28:25,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:28:25,535 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:28:25,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:28:25,619 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:28:25,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25 WrapperNode [2024-11-19 05:28:25,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:28:25,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:28:25,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:28:25,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:28:25,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,684 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 133 [2024-11-19 05:28:25,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:28:25,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:28:25,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:28:25,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:28:25,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:28:25,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:28:25,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:28:25,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:28:25,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (1/1) ... [2024-11-19 05:28:25,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:28:25,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:28:25,763 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) [2024-11-19 05:28:25,766 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 [2024-11-19 05:28:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-19 05:28:25,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-19 05:28:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-19 05:28:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-19 05:28:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:28:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:28:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:28:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:28:25,821 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:28:26,008 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:28:26,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:28:26,173 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:28:26,173 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:28:26,185 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:28:26,185 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-19 05:28:26,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:28:26 BoogieIcfgContainer [2024-11-19 05:28:26,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:28:26,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:28:26,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:28:26,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:28:26,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:28:25" (1/3) ... [2024-11-19 05:28:26,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f4ba053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:28:26, skipping insertion in model container [2024-11-19 05:28:26,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:25" (2/3) ... [2024-11-19 05:28:26,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f4ba053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:28:26, skipping insertion in model container [2024-11-19 05:28:26,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:28:26" (3/3) ... [2024-11-19 05:28:26,194 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2024-11-19 05:28:26,210 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:28:26,210 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 05:28:26,210 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:28:26,275 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 05:28:26,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 125 transitions, 264 flow [2024-11-19 05:28:26,361 INFO L124 PetriNetUnfolderBase]: 26/123 cut-off events. [2024-11-19 05:28:26,361 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:28:26,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 123 events. 26/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 250 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 100. Up to 5 conditions per place. [2024-11-19 05:28:26,369 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 125 transitions, 264 flow [2024-11-19 05:28:26,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 118 transitions, 245 flow [2024-11-19 05:28:26,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:28:26,390 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;@259964a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:28:26,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-19 05:28:26,403 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:28:26,403 INFO L124 PetriNetUnfolderBase]: 1/34 cut-off events. [2024-11-19 05:28:26,404 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:28:26,404 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:26,406 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] [2024-11-19 05:28:26,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:26,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:26,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1934403133, now seen corresponding path program 1 times [2024-11-19 05:28:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:26,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420458546] [2024-11-19 05:28:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:26,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:26,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420458546] [2024-11-19 05:28:26,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420458546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:26,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:26,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:28:26,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917999717] [2024-11-19 05:28:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:26,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 05:28:26,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:26,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 05:28:26,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 05:28:26,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 125 [2024-11-19 05:28:26,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 118 transitions, 245 flow. Second operand has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2024-11-19 05:28:26,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:26,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 125 [2024-11-19 05:28:26,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:26,738 INFO L124 PetriNetUnfolderBase]: 12/102 cut-off events. [2024-11-19 05:28:26,739 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-19 05:28:26,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 102 events. 12/102 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 156 event pairs, 0 based on Foata normal form. 23/107 useless extension candidates. Maximal degree in co-relation 85. Up to 4 conditions per place. [2024-11-19 05:28:26,743 INFO L140 encePairwiseOnDemand]: 111/125 looper letters, 3 selfloop transitions, 0 changer transitions 0/102 dead transitions. [2024-11-19 05:28:26,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 219 flow [2024-11-19 05:28:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 05:28:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-19 05:28:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 231 transitions. [2024-11-19 05:28:26,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.924 [2024-11-19 05:28:26,763 INFO L175 Difference]: Start difference. First operand has 99 places, 118 transitions, 245 flow. Second operand 2 states and 231 transitions. [2024-11-19 05:28:26,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 219 flow [2024-11-19 05:28:26,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 102 transitions, 214 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 05:28:26,770 INFO L231 Difference]: Finished difference. Result has 95 places, 102 transitions, 208 flow [2024-11-19 05:28:26,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=208, PETRI_PLACES=95, PETRI_TRANSITIONS=102} [2024-11-19 05:28:26,779 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, -4 predicate places. [2024-11-19 05:28:26,780 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 102 transitions, 208 flow [2024-11-19 05:28:26,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2024-11-19 05:28:26,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:26,781 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] [2024-11-19 05:28:26,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:28:26,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:26,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:26,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1288292341, now seen corresponding path program 1 times [2024-11-19 05:28:26,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:26,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422586127] [2024-11-19 05:28:26,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:26,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:26,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:26,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422586127] [2024-11-19 05:28:26,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422586127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:26,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:26,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:28:26,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544747237] [2024-11-19 05:28:26,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:26,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:26,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:26,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:26,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:26,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-19 05:28:26,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 102 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-19 05:28:26,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:26,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-19 05:28:26,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:27,025 INFO L124 PetriNetUnfolderBase]: 38/237 cut-off events. [2024-11-19 05:28:27,025 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 05:28:27,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 237 events. 38/237 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 906 event pairs, 11 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 303. Up to 42 conditions per place. [2024-11-19 05:28:27,031 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 11 selfloop transitions, 5 changer transitions 0/107 dead transitions. [2024-11-19 05:28:27,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 107 transitions, 252 flow [2024-11-19 05:28:27,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-19 05:28:27,039 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8373333333333334 [2024-11-19 05:28:27,041 INFO L175 Difference]: Start difference. First operand has 95 places, 102 transitions, 208 flow. Second operand 3 states and 314 transitions. [2024-11-19 05:28:27,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 107 transitions, 252 flow [2024-11-19 05:28:27,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:28:27,046 INFO L231 Difference]: Finished difference. Result has 99 places, 106 transitions, 246 flow [2024-11-19 05:28:27,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=99, PETRI_TRANSITIONS=106} [2024-11-19 05:28:27,048 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 0 predicate places. [2024-11-19 05:28:27,048 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 106 transitions, 246 flow [2024-11-19 05:28:27,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-19 05:28:27,049 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:27,049 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] [2024-11-19 05:28:27,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:28:27,049 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:27,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:27,050 INFO L85 PathProgramCache]: Analyzing trace with hash 311068313, now seen corresponding path program 1 times [2024-11-19 05:28:27,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:27,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811073479] [2024-11-19 05:28:27,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:27,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:27,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:27,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811073479] [2024-11-19 05:28:27,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811073479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:27,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:27,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:28:27,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086913094] [2024-11-19 05:28:27,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:27,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:27,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:27,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:27,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:27,178 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-19 05:28:27,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 106 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-19 05:28:27,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:27,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-19 05:28:27,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:27,261 INFO L124 PetriNetUnfolderBase]: 43/305 cut-off events. [2024-11-19 05:28:27,261 INFO L125 PetriNetUnfolderBase]: For 43/47 co-relation queries the response was YES. [2024-11-19 05:28:27,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 305 events. 43/305 cut-off events. For 43/47 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1332 event pairs, 6 based on Foata normal form. 1/257 useless extension candidates. Maximal degree in co-relation 435. Up to 46 conditions per place. [2024-11-19 05:28:27,265 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 12 selfloop transitions, 6 changer transitions 3/114 dead transitions. [2024-11-19 05:28:27,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 114 transitions, 315 flow [2024-11-19 05:28:27,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2024-11-19 05:28:27,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.848 [2024-11-19 05:28:27,270 INFO L175 Difference]: Start difference. First operand has 99 places, 106 transitions, 246 flow. Second operand 3 states and 318 transitions. [2024-11-19 05:28:27,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 114 transitions, 315 flow [2024-11-19 05:28:27,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 114 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:28:27,276 INFO L231 Difference]: Finished difference. Result has 101 places, 109 transitions, 282 flow [2024-11-19 05:28:27,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=101, PETRI_TRANSITIONS=109} [2024-11-19 05:28:27,278 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 2 predicate places. [2024-11-19 05:28:27,278 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 109 transitions, 282 flow [2024-11-19 05:28:27,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-11-19 05:28:27,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:27,279 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] [2024-11-19 05:28:27,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:28:27,281 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:27,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:27,282 INFO L85 PathProgramCache]: Analyzing trace with hash -788188755, now seen corresponding path program 1 times [2024-11-19 05:28:27,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:27,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147308867] [2024-11-19 05:28:27,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:27,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:27,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147308867] [2024-11-19 05:28:27,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147308867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:27,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:27,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:28:27,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977234535] [2024-11-19 05:28:27,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:27,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:27,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:27,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:27,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:27,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2024-11-19 05:28:27,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 109 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-11-19 05:28:27,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:27,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2024-11-19 05:28:27,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:27,460 INFO L124 PetriNetUnfolderBase]: 61/353 cut-off events. [2024-11-19 05:28:27,460 INFO L125 PetriNetUnfolderBase]: For 124/124 co-relation queries the response was YES. [2024-11-19 05:28:27,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 353 events. 61/353 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1825 event pairs, 12 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 583. Up to 68 conditions per place. [2024-11-19 05:28:27,466 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 12 selfloop transitions, 7 changer transitions 2/114 dead transitions. [2024-11-19 05:28:27,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 114 transitions, 341 flow [2024-11-19 05:28:27,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-19 05:28:27,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8373333333333334 [2024-11-19 05:28:27,469 INFO L175 Difference]: Start difference. First operand has 101 places, 109 transitions, 282 flow. Second operand 3 states and 314 transitions. [2024-11-19 05:28:27,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 114 transitions, 341 flow [2024-11-19 05:28:27,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 114 transitions, 327 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:28:27,475 INFO L231 Difference]: Finished difference. Result has 103 places, 112 transitions, 318 flow [2024-11-19 05:28:27,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=103, PETRI_TRANSITIONS=112} [2024-11-19 05:28:27,477 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 4 predicate places. [2024-11-19 05:28:27,477 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 112 transitions, 318 flow [2024-11-19 05:28:27,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-11-19 05:28:27,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:27,478 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] [2024-11-19 05:28:27,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:28:27,478 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:27,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:27,480 INFO L85 PathProgramCache]: Analyzing trace with hash 2052384819, now seen corresponding path program 1 times [2024-11-19 05:28:27,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:27,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446556245] [2024-11-19 05:28:27,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:27,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:27,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:27,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446556245] [2024-11-19 05:28:27,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446556245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:27,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:27,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:28:27,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637783835] [2024-11-19 05:28:27,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:27,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:27,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:27,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:27,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:27,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 125 [2024-11-19 05:28:27,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 112 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-19 05:28:27,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:27,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 125 [2024-11-19 05:28:27,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:27,764 INFO L124 PetriNetUnfolderBase]: 157/732 cut-off events. [2024-11-19 05:28:27,764 INFO L125 PetriNetUnfolderBase]: For 192/196 co-relation queries the response was YES. [2024-11-19 05:28:27,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 732 events. 157/732 cut-off events. For 192/196 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4768 event pairs, 23 based on Foata normal form. 6/656 useless extension candidates. Maximal degree in co-relation 1271. Up to 127 conditions per place. [2024-11-19 05:28:27,772 INFO L140 encePairwiseOnDemand]: 115/125 looper letters, 17 selfloop transitions, 5 changer transitions 0/117 dead transitions. [2024-11-19 05:28:27,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 117 transitions, 374 flow [2024-11-19 05:28:27,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2024-11-19 05:28:27,775 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.816 [2024-11-19 05:28:27,775 INFO L175 Difference]: Start difference. First operand has 103 places, 112 transitions, 318 flow. Second operand 3 states and 306 transitions. [2024-11-19 05:28:27,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 117 transitions, 374 flow [2024-11-19 05:28:27,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 117 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:28:27,782 INFO L231 Difference]: Finished difference. Result has 105 places, 116 transitions, 350 flow [2024-11-19 05:28:27,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=105, PETRI_TRANSITIONS=116} [2024-11-19 05:28:27,783 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 6 predicate places. [2024-11-19 05:28:27,784 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 116 transitions, 350 flow [2024-11-19 05:28:27,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-19 05:28:27,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:27,784 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] [2024-11-19 05:28:27,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:28:27,784 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:27,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:27,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1308502917, now seen corresponding path program 2 times [2024-11-19 05:28:27,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:27,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323284206] [2024-11-19 05:28:27,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:28:27,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:27,805 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:28:27,807 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:28:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:27,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:27,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323284206] [2024-11-19 05:28:27,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323284206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:27,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:27,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:28:27,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685111136] [2024-11-19 05:28:27,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:27,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:27,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:27,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:27,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:27,871 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-19 05:28:27,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 116 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-11-19 05:28:27,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:27,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-19 05:28:27,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:28,027 INFO L124 PetriNetUnfolderBase]: 252/1283 cut-off events. [2024-11-19 05:28:28,028 INFO L125 PetriNetUnfolderBase]: For 338/384 co-relation queries the response was YES. [2024-11-19 05:28:28,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2294 conditions, 1283 events. 252/1283 cut-off events. For 338/384 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10424 event pairs, 22 based on Foata normal form. 6/1129 useless extension candidates. Maximal degree in co-relation 2286. Up to 174 conditions per place. [2024-11-19 05:28:28,036 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 11 selfloop transitions, 3 changer transitions 0/121 dead transitions. [2024-11-19 05:28:28,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 121 transitions, 391 flow [2024-11-19 05:28:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:28,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2024-11-19 05:28:28,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8506666666666667 [2024-11-19 05:28:28,038 INFO L175 Difference]: Start difference. First operand has 105 places, 116 transitions, 350 flow. Second operand 3 states and 319 transitions. [2024-11-19 05:28:28,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 121 transitions, 391 flow [2024-11-19 05:28:28,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 121 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:28:28,045 INFO L231 Difference]: Finished difference. Result has 107 places, 119 transitions, 368 flow [2024-11-19 05:28:28,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=107, PETRI_TRANSITIONS=119} [2024-11-19 05:28:28,047 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 8 predicate places. [2024-11-19 05:28:28,048 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 119 transitions, 368 flow [2024-11-19 05:28:28,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-11-19 05:28:28,049 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:28,049 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] [2024-11-19 05:28:28,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:28:28,050 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:28,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:28,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1422927409, now seen corresponding path program 3 times [2024-11-19 05:28:28,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:28,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206511182] [2024-11-19 05:28:28,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:28:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:28,064 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:28:28,065 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:28:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:28,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:28,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206511182] [2024-11-19 05:28:28,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206511182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:28,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:28,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:28:28,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702922738] [2024-11-19 05:28:28,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:28,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:28,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:28,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:28,140 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 125 [2024-11-19 05:28:28,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 119 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-19 05:28:28,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:28,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 125 [2024-11-19 05:28:28,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:28,305 INFO L124 PetriNetUnfolderBase]: 254/1348 cut-off events. [2024-11-19 05:28:28,306 INFO L125 PetriNetUnfolderBase]: For 430/484 co-relation queries the response was YES. [2024-11-19 05:28:28,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2534 conditions, 1348 events. 254/1348 cut-off events. For 430/484 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 11326 event pairs, 39 based on Foata normal form. 35/1244 useless extension candidates. Maximal degree in co-relation 2525. Up to 187 conditions per place. [2024-11-19 05:28:28,315 INFO L140 encePairwiseOnDemand]: 115/125 looper letters, 14 selfloop transitions, 5 changer transitions 7/124 dead transitions. [2024-11-19 05:28:28,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 124 transitions, 439 flow [2024-11-19 05:28:28,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2024-11-19 05:28:28,318 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.816 [2024-11-19 05:28:28,318 INFO L175 Difference]: Start difference. First operand has 107 places, 119 transitions, 368 flow. Second operand 3 states and 306 transitions. [2024-11-19 05:28:28,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 124 transitions, 439 flow [2024-11-19 05:28:28,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 124 transitions, 433 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:28:28,323 INFO L231 Difference]: Finished difference. Result has 109 places, 117 transitions, 386 flow [2024-11-19 05:28:28,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=109, PETRI_TRANSITIONS=117} [2024-11-19 05:28:28,324 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 10 predicate places. [2024-11-19 05:28:28,324 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 117 transitions, 386 flow [2024-11-19 05:28:28,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-19 05:28:28,325 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:28,325 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] [2024-11-19 05:28:28,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:28:28,326 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:28,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:28,326 INFO L85 PathProgramCache]: Analyzing trace with hash -562906235, now seen corresponding path program 4 times [2024-11-19 05:28:28,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:28,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738286294] [2024-11-19 05:28:28,327 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:28:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:28,345 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:28:28,345 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:28:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:28,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:28,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738286294] [2024-11-19 05:28:28,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738286294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:28,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:28,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:28:28,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087507520] [2024-11-19 05:28:28,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:28,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:28,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:28,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:28,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:28,402 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-19 05:28:28,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 117 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-11-19 05:28:28,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:28,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-19 05:28:28,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:28,571 INFO L124 PetriNetUnfolderBase]: 184/1242 cut-off events. [2024-11-19 05:28:28,572 INFO L125 PetriNetUnfolderBase]: For 453/487 co-relation queries the response was YES. [2024-11-19 05:28:28,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2334 conditions, 1242 events. 184/1242 cut-off events. For 453/487 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 10502 event pairs, 27 based on Foata normal form. 17/1131 useless extension candidates. Maximal degree in co-relation 2324. Up to 184 conditions per place. [2024-11-19 05:28:28,579 INFO L140 encePairwiseOnDemand]: 121/125 looper letters, 11 selfloop transitions, 3 changer transitions 2/119 dead transitions. [2024-11-19 05:28:28,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 119 transitions, 421 flow [2024-11-19 05:28:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2024-11-19 05:28:28,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8453333333333334 [2024-11-19 05:28:28,581 INFO L175 Difference]: Start difference. First operand has 109 places, 117 transitions, 386 flow. Second operand 3 states and 317 transitions. [2024-11-19 05:28:28,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 119 transitions, 421 flow [2024-11-19 05:28:28,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 119 transitions, 411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:28:28,585 INFO L231 Difference]: Finished difference. Result has 111 places, 116 transitions, 392 flow [2024-11-19 05:28:28,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=111, PETRI_TRANSITIONS=116} [2024-11-19 05:28:28,586 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 12 predicate places. [2024-11-19 05:28:28,586 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 116 transitions, 392 flow [2024-11-19 05:28:28,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2024-11-19 05:28:28,587 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:28,587 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] [2024-11-19 05:28:28,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:28:28,588 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:28,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:28,588 INFO L85 PathProgramCache]: Analyzing trace with hash 235594237, now seen corresponding path program 1 times [2024-11-19 05:28:28,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:28,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139883363] [2024-11-19 05:28:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:28,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:28,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:28,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139883363] [2024-11-19 05:28:28,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139883363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:28,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:28,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:28:28,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466154842] [2024-11-19 05:28:28,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:28,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:28,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:28,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:28,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:28,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-19 05:28:28,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 116 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-19 05:28:28,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:28,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-19 05:28:28,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:28,744 INFO L124 PetriNetUnfolderBase]: 121/870 cut-off events. [2024-11-19 05:28:28,744 INFO L125 PetriNetUnfolderBase]: For 248/281 co-relation queries the response was YES. [2024-11-19 05:28:28,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 870 events. 121/870 cut-off events. For 248/281 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6634 event pairs, 16 based on Foata normal form. 7/802 useless extension candidates. Maximal degree in co-relation 1594. Up to 110 conditions per place. [2024-11-19 05:28:28,749 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 7 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2024-11-19 05:28:28,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 118 transitions, 419 flow [2024-11-19 05:28:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:28,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2024-11-19 05:28:28,751 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84 [2024-11-19 05:28:28,751 INFO L175 Difference]: Start difference. First operand has 111 places, 116 transitions, 392 flow. Second operand 3 states and 315 transitions. [2024-11-19 05:28:28,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 118 transitions, 419 flow [2024-11-19 05:28:28,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 118 transitions, 407 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-19 05:28:28,755 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 398 flow [2024-11-19 05:28:28,756 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2024-11-19 05:28:28,756 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 12 predicate places. [2024-11-19 05:28:28,756 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 398 flow [2024-11-19 05:28:28,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-19 05:28:28,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:28,757 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] [2024-11-19 05:28:28,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:28:28,758 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 05:28:28,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:28,758 INFO L85 PathProgramCache]: Analyzing trace with hash 484788758, now seen corresponding path program 1 times [2024-11-19 05:28:28,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:28,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556783619] [2024-11-19 05:28:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:28,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:28,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:28,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556783619] [2024-11-19 05:28:28,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556783619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:28,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:28,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:28:28,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060671558] [2024-11-19 05:28:28,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:28,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:28:28,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:28,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:28:28,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:28:28,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 125 [2024-11-19 05:28:28,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-19 05:28:28,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:28,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 125 [2024-11-19 05:28:28,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:28,900 INFO L124 PetriNetUnfolderBase]: 59/578 cut-off events. [2024-11-19 05:28:28,900 INFO L125 PetriNetUnfolderBase]: For 121/133 co-relation queries the response was YES. [2024-11-19 05:28:28,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 578 events. 59/578 cut-off events. For 121/133 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3590 event pairs, 11 based on Foata normal form. 6/555 useless extension candidates. Maximal degree in co-relation 1038. Up to 44 conditions per place. [2024-11-19 05:28:28,904 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions. [2024-11-19 05:28:28,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 107 transitions, 368 flow [2024-11-19 05:28:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:28:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:28:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2024-11-19 05:28:28,906 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84 [2024-11-19 05:28:28,906 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 398 flow. Second operand 3 states and 315 transitions. [2024-11-19 05:28:28,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 107 transitions, 368 flow [2024-11-19 05:28:28,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 107 transitions, 334 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-19 05:28:28,910 INFO L231 Difference]: Finished difference. Result has 104 places, 0 transitions, 0 flow [2024-11-19 05:28:28,911 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=104, PETRI_TRANSITIONS=0} [2024-11-19 05:28:28,911 INFO L277 CegarLoopForPetriNet]: 99 programPoint places, 5 predicate places. [2024-11-19 05:28:28,912 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 0 transitions, 0 flow [2024-11-19 05:28:28,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-19 05:28:28,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-19 05:28:28,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-19 05:28:28,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-19 05:28:28,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-19 05:28:28,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-19 05:28:28,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-19 05:28:28,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-19 05:28:28,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-19 05:28:28,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-19 05:28:28,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-19 05:28:28,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:28:28,919 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2024-11-19 05:28:28,924 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:28:28,925 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:28:28,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:28:28 BasicIcfg [2024-11-19 05:28:28,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:28:28,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:28:28,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:28:28,934 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:28:28,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:28:26" (3/4) ... [2024-11-19 05:28:28,936 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:28:28,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-19 05:28:28,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-19 05:28:28,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 05:28:28,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 05:28:28,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 05:28:28,943 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 05:28:29,025 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:28:29,025 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:28:29,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:28:29,026 INFO L158 Benchmark]: Toolchain (without parser) took 3891.42ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 146.4MB in the beginning and 85.3MB in the end (delta: 61.0MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2024-11-19 05:28:29,026 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 80.1MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:28:29,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.53ms. Allocated memory is still 178.3MB. Free memory was 146.4MB in the beginning and 124.3MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 05:28:29,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.91ms. Allocated memory is still 178.3MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:28:29,027 INFO L158 Benchmark]: Boogie Preprocessor took 35.25ms. Allocated memory is still 178.3MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:28:29,027 INFO L158 Benchmark]: RCFGBuilder took 463.59ms. Allocated memory is still 178.3MB. Free memory was 120.1MB in the beginning and 138.8MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 05:28:29,027 INFO L158 Benchmark]: TraceAbstraction took 2745.25ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 137.7MB in the beginning and 89.5MB in the end (delta: 48.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-11-19 05:28:29,027 INFO L158 Benchmark]: Witness Printer took 91.37ms. Allocated memory is still 213.9MB. Free memory was 89.5MB in the beginning and 85.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:28:29,029 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 80.1MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.53ms. Allocated memory is still 178.3MB. Free memory was 146.4MB in the beginning and 124.3MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.91ms. Allocated memory is still 178.3MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.25ms. Allocated memory is still 178.3MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.59ms. Allocated memory is still 178.3MB. Free memory was 120.1MB in the beginning and 138.8MB in the end (delta: -18.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2745.25ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 137.7MB in the beginning and 89.5MB in the end (delta: 48.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * Witness Printer took 91.37ms. Allocated memory is still 213.9MB. Free memory was 89.5MB in the beginning and 85.3MB 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: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 781]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: 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, 168 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: 2.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 45 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=9, InterpolantAutomatonStates: 29, 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, 0.6s InterpolantComputationTime, 421 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2024-11-19 05:28:29,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE