./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c -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 206fc494d359c55f00dca0f227d0ffa61103c97cbe34d3166496eff2224a478a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:13:43,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:13:43,548 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:13:43,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:13:43,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:13:43,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:13:43,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:13:43,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:13:43,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:13:43,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:13:43,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:13:43,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:13:43,581 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:13:43,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:13:43,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:13:43,583 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:13:43,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:13:43,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:13:43,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:13:43,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:13:43,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:13:43,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:13:43,584 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:13:43,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:13:43,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:13:43,585 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:13:43,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:13:43,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:13:43,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:13:43,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:13:43,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:13:43,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:13:43,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:13:43,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:13:43,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:13:43,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:13:43,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:13:43,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:13:43,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:13:43,588 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:13:43,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:13:43,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206fc494d359c55f00dca0f227d0ffa61103c97cbe34d3166496eff2224a478a [2024-10-14 17:13:43,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:13:43,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:13:43,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:13:43,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:13:43,806 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:13:43,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2024-10-14 17:13:44,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:13:45,158 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:13:45,160 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3.wvr.c [2024-10-14 17:13:45,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf7439bb3/6743fd1e8d4c46e8aee733606187b798/FLAGfd52f7064 [2024-10-14 17:13:45,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf7439bb3/6743fd1e8d4c46e8aee733606187b798 [2024-10-14 17:13:45,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:13:45,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:13:45,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:13:45,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:13:45,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:13:45,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45, skipping insertion in model container [2024-10-14 17:13:45,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:13:45,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:13:45,378 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:13:45,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:13:45,406 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:13:45,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45 WrapperNode [2024-10-14 17:13:45,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:13:45,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:13:45,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:13:45,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:13:45,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,432 INFO L138 Inliner]: procedures = 20, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-10-14 17:13:45,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:13:45,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:13:45,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:13:45,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:13:45,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:13:45,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:13:45,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:13:45,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:13:45,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (1/1) ... [2024-10-14 17:13:45,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:13:45,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:13:45,479 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) [2024-10-14 17:13:45,485 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 [2024-10-14 17:13:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:13:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:13:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:13:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:13:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:13:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:13:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:13:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:13:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:13:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:13:45,523 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:13:45,604 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:13:45,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:13:45,777 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:13:45,778 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:13:45,834 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:13:45,835 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 17:13:45,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:45 BoogieIcfgContainer [2024-10-14 17:13:45,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:13:45,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:13:45,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:13:45,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:13:45,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:13:45" (1/3) ... [2024-10-14 17:13:45,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f167f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:13:45, skipping insertion in model container [2024-10-14 17:13:45,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:13:45" (2/3) ... [2024-10-14 17:13:45,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f167f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:13:45, skipping insertion in model container [2024-10-14 17:13:45,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:45" (3/3) ... [2024-10-14 17:13:45,844 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2024-10-14 17:13:45,856 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:13:45,856 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2024-10-14 17:13:45,856 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:13:45,927 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 17:13:45,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 166 transitions, 346 flow [2024-10-14 17:13:46,007 INFO L124 PetriNetUnfolderBase]: 11/164 cut-off events. [2024-10-14 17:13:46,007 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:13:46,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 164 events. 11/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 313 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 102. Up to 4 conditions per place. [2024-10-14 17:13:46,014 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 166 transitions, 346 flow [2024-10-14 17:13:46,021 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 147 transitions, 306 flow [2024-10-14 17:13:46,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:13:46,034 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;@378f7fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:13:46,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2024-10-14 17:13:46,041 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:13:46,041 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-14 17:13:46,041 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:13:46,041 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:46,042 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:46,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:46,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:46,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1788974254, now seen corresponding path program 1 times [2024-10-14 17:13:46,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:46,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002872033] [2024-10-14 17:13:46,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:46,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:46,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:46,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002872033] [2024-10-14 17:13:46,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002872033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:46,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:46,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:46,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031230117] [2024-10-14 17:13:46,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:46,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:46,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:46,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:46,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:46,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-14 17:13:46,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-10-14 17:13:46,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:46,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-14 17:13:46,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:46,309 INFO L124 PetriNetUnfolderBase]: 35/238 cut-off events. [2024-10-14 17:13:46,310 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-14 17:13:46,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 238 events. 35/238 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 763 event pairs, 11 based on Foata normal form. 12/205 useless extension candidates. Maximal degree in co-relation 237. Up to 50 conditions per place. [2024-10-14 17:13:46,313 INFO L140 encePairwiseOnDemand]: 153/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-10-14 17:13:46,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 136 transitions, 318 flow [2024-10-14 17:13:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:46,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 433 transitions. [2024-10-14 17:13:46,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8694779116465864 [2024-10-14 17:13:46,325 INFO L175 Difference]: Start difference. First operand has 144 places, 147 transitions, 306 flow. Second operand 3 states and 433 transitions. [2024-10-14 17:13:46,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 136 transitions, 318 flow [2024-10-14 17:13:46,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 136 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 17:13:46,335 INFO L231 Difference]: Finished difference. Result has 133 places, 136 transitions, 280 flow [2024-10-14 17:13:46,336 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=133, PETRI_TRANSITIONS=136} [2024-10-14 17:13:46,339 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -11 predicate places. [2024-10-14 17:13:46,339 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 136 transitions, 280 flow [2024-10-14 17:13:46,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-10-14 17:13:46,339 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:46,340 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:46,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:13:46,340 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:46,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:46,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1365748082, now seen corresponding path program 1 times [2024-10-14 17:13:46,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:46,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912239448] [2024-10-14 17:13:46,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:46,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:46,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:46,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912239448] [2024-10-14 17:13:46,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912239448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:46,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:46,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:46,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502190831] [2024-10-14 17:13:46,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:46,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:46,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:46,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:46,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:46,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-14 17:13:46,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 136 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-10-14 17:13:46,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:46,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-14 17:13:46,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:46,466 INFO L124 PetriNetUnfolderBase]: 34/234 cut-off events. [2024-10-14 17:13:46,467 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-14 17:13:46,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 234 events. 34/234 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 752 event pairs, 11 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 265. Up to 48 conditions per place. [2024-10-14 17:13:46,469 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-10-14 17:13:46,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 135 transitions, 312 flow [2024-10-14 17:13:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2024-10-14 17:13:46,491 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8493975903614458 [2024-10-14 17:13:46,491 INFO L175 Difference]: Start difference. First operand has 133 places, 136 transitions, 280 flow. Second operand 3 states and 423 transitions. [2024-10-14 17:13:46,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 135 transitions, 312 flow [2024-10-14 17:13:46,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 135 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:46,496 INFO L231 Difference]: Finished difference. Result has 132 places, 135 transitions, 278 flow [2024-10-14 17:13:46,496 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=132, PETRI_TRANSITIONS=135} [2024-10-14 17:13:46,497 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -12 predicate places. [2024-10-14 17:13:46,497 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 135 transitions, 278 flow [2024-10-14 17:13:46,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-10-14 17:13:46,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:46,498 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] [2024-10-14 17:13:46,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:13:46,498 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:46,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:46,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1241472979, now seen corresponding path program 1 times [2024-10-14 17:13:46,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:46,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643319415] [2024-10-14 17:13:46,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:46,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:46,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:46,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643319415] [2024-10-14 17:13:46,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643319415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:46,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:46,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:46,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579520296] [2024-10-14 17:13:46,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:46,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:46,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:46,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:46,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:46,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-14 17:13:46,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2024-10-14 17:13:46,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:46,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-14 17:13:46,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:46,629 INFO L124 PetriNetUnfolderBase]: 27/228 cut-off events. [2024-10-14 17:13:46,631 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:13:46,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 228 events. 27/228 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 700 event pairs, 7 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 244. Up to 36 conditions per place. [2024-10-14 17:13:46,633 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 13 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-10-14 17:13:46,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 134 transitions, 306 flow [2024-10-14 17:13:46,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-10-14 17:13:46,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.857429718875502 [2024-10-14 17:13:46,635 INFO L175 Difference]: Start difference. First operand has 132 places, 135 transitions, 278 flow. Second operand 3 states and 427 transitions. [2024-10-14 17:13:46,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 134 transitions, 306 flow [2024-10-14 17:13:46,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 134 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:46,638 INFO L231 Difference]: Finished difference. Result has 131 places, 134 transitions, 276 flow [2024-10-14 17:13:46,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=131, PETRI_TRANSITIONS=134} [2024-10-14 17:13:46,640 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -13 predicate places. [2024-10-14 17:13:46,640 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 134 transitions, 276 flow [2024-10-14 17:13:46,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2024-10-14 17:13:46,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:46,641 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] [2024-10-14 17:13:46,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:13:46,641 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:46,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:46,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1891159636, now seen corresponding path program 1 times [2024-10-14 17:13:46,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:46,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244738821] [2024-10-14 17:13:46,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:46,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:46,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:46,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244738821] [2024-10-14 17:13:46,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244738821] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:46,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:46,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:46,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267688840] [2024-10-14 17:13:46,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:46,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:46,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:46,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:46,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:46,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-14 17:13:46,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2024-10-14 17:13:46,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:46,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-14 17:13:46,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:46,731 INFO L124 PetriNetUnfolderBase]: 27/229 cut-off events. [2024-10-14 17:13:46,731 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-14 17:13:46,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 229 events. 27/229 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 718 event pairs, 7 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 237. Up to 35 conditions per place. [2024-10-14 17:13:46,734 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 13 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-10-14 17:13:46,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 133 transitions, 304 flow [2024-10-14 17:13:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-10-14 17:13:46,738 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.857429718875502 [2024-10-14 17:13:46,738 INFO L175 Difference]: Start difference. First operand has 131 places, 134 transitions, 276 flow. Second operand 3 states and 427 transitions. [2024-10-14 17:13:46,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 133 transitions, 304 flow [2024-10-14 17:13:46,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 133 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:46,740 INFO L231 Difference]: Finished difference. Result has 130 places, 133 transitions, 274 flow [2024-10-14 17:13:46,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=130, PETRI_TRANSITIONS=133} [2024-10-14 17:13:46,741 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-14 17:13:46,742 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 133 transitions, 274 flow [2024-10-14 17:13:46,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2024-10-14 17:13:46,742 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:46,742 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] [2024-10-14 17:13:46,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:13:46,743 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:46,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:46,744 INFO L85 PathProgramCache]: Analyzing trace with hash -48638622, now seen corresponding path program 1 times [2024-10-14 17:13:46,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:46,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803092712] [2024-10-14 17:13:46,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:46,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:46,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:46,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:46,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803092712] [2024-10-14 17:13:46,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803092712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:46,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:46,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:46,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855490795] [2024-10-14 17:13:46,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:46,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:46,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:46,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:46,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:46,807 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-10-14 17:13:46,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-14 17:13:46,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:46,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-10-14 17:13:46,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:46,842 INFO L124 PetriNetUnfolderBase]: 30/230 cut-off events. [2024-10-14 17:13:46,842 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:13:46,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 230 events. 30/230 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 720 event pairs, 2 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 242. Up to 31 conditions per place. [2024-10-14 17:13:46,844 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-10-14 17:13:46,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 136 transitions, 313 flow [2024-10-14 17:13:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-10-14 17:13:46,845 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2024-10-14 17:13:46,845 INFO L175 Difference]: Start difference. First operand has 130 places, 133 transitions, 274 flow. Second operand 3 states and 440 transitions. [2024-10-14 17:13:46,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 136 transitions, 313 flow [2024-10-14 17:13:46,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 136 transitions, 309 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:46,848 INFO L231 Difference]: Finished difference. Result has 130 places, 133 transitions, 278 flow [2024-10-14 17:13:46,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=130, PETRI_TRANSITIONS=133} [2024-10-14 17:13:46,850 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-14 17:13:46,850 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 133 transitions, 278 flow [2024-10-14 17:13:46,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-14 17:13:46,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:46,851 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] [2024-10-14 17:13:46,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:13:46,851 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:46,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:46,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1588730558, now seen corresponding path program 1 times [2024-10-14 17:13:46,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:46,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877266601] [2024-10-14 17:13:46,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:46,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:46,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:46,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877266601] [2024-10-14 17:13:46,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877266601] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:46,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:46,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:46,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821886463] [2024-10-14 17:13:46,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:46,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:46,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:46,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:46,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:46,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-14 17:13:46,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-10-14 17:13:46,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:46,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-14 17:13:46,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:46,934 INFO L124 PetriNetUnfolderBase]: 65/304 cut-off events. [2024-10-14 17:13:46,935 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-14 17:13:46,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 304 events. 65/304 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1177 event pairs, 9 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 346. Up to 70 conditions per place. [2024-10-14 17:13:46,937 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 19 selfloop transitions, 3 changer transitions 0/136 dead transitions. [2024-10-14 17:13:46,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 136 transitions, 331 flow [2024-10-14 17:13:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2024-10-14 17:13:46,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8634538152610441 [2024-10-14 17:13:46,938 INFO L175 Difference]: Start difference. First operand has 130 places, 133 transitions, 278 flow. Second operand 3 states and 430 transitions. [2024-10-14 17:13:46,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 136 transitions, 331 flow [2024-10-14 17:13:46,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 136 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:13:46,941 INFO L231 Difference]: Finished difference. Result has 129 places, 131 transitions, 283 flow [2024-10-14 17:13:46,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=129, PETRI_TRANSITIONS=131} [2024-10-14 17:13:46,942 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-14 17:13:46,942 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 131 transitions, 283 flow [2024-10-14 17:13:46,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-10-14 17:13:46,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:46,943 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] [2024-10-14 17:13:46,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:13:46,943 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:46,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:46,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1952571758, now seen corresponding path program 1 times [2024-10-14 17:13:46,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:46,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123113749] [2024-10-14 17:13:46,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:46,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:46,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:46,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123113749] [2024-10-14 17:13:46,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123113749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:46,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:46,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:46,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131925371] [2024-10-14 17:13:46,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:46,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:46,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:46,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:46,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:47,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-10-14 17:13:47,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 131 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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) [2024-10-14 17:13:47,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:47,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-10-14 17:13:47,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:47,058 INFO L124 PetriNetUnfolderBase]: 38/285 cut-off events. [2024-10-14 17:13:47,059 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2024-10-14 17:13:47,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 285 events. 38/285 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1037 event pairs, 4 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 229. Up to 36 conditions per place. [2024-10-14 17:13:47,061 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-10-14 17:13:47,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 134 transitions, 322 flow [2024-10-14 17:13:47,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-10-14 17:13:47,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2024-10-14 17:13:47,062 INFO L175 Difference]: Start difference. First operand has 129 places, 131 transitions, 283 flow. Second operand 3 states and 440 transitions. [2024-10-14 17:13:47,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 134 transitions, 322 flow [2024-10-14 17:13:47,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 134 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:13:47,065 INFO L231 Difference]: Finished difference. Result has 130 places, 131 transitions, 288 flow [2024-10-14 17:13:47,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=130, PETRI_TRANSITIONS=131} [2024-10-14 17:13:47,066 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2024-10-14 17:13:47,066 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 131 transitions, 288 flow [2024-10-14 17:13:47,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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) [2024-10-14 17:13:47,067 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:47,067 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] [2024-10-14 17:13:47,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:13:47,068 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:47,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:47,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1971290076, now seen corresponding path program 1 times [2024-10-14 17:13:47,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:47,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171267758] [2024-10-14 17:13:47,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:47,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:47,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171267758] [2024-10-14 17:13:47,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171267758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:47,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:47,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:47,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90151308] [2024-10-14 17:13:47,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:47,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:47,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:47,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:47,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:47,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 166 [2024-10-14 17:13:47,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 131 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2024-10-14 17:13:47,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:47,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 166 [2024-10-14 17:13:47,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:47,175 INFO L124 PetriNetUnfolderBase]: 54/306 cut-off events. [2024-10-14 17:13:47,175 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2024-10-14 17:13:47,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 306 events. 54/306 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1277 event pairs, 4 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 284. Up to 66 conditions per place. [2024-10-14 17:13:47,177 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 18 selfloop transitions, 3 changer transitions 0/133 dead transitions. [2024-10-14 17:13:47,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 133 transitions, 336 flow [2024-10-14 17:13:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:47,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:47,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2024-10-14 17:13:47,178 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614457831325302 [2024-10-14 17:13:47,178 INFO L175 Difference]: Start difference. First operand has 130 places, 131 transitions, 288 flow. Second operand 3 states and 429 transitions. [2024-10-14 17:13:47,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 133 transitions, 336 flow [2024-10-14 17:13:47,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 133 transitions, 334 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:13:47,180 INFO L231 Difference]: Finished difference. Result has 129 places, 129 transitions, 293 flow [2024-10-14 17:13:47,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=129, PETRI_TRANSITIONS=129} [2024-10-14 17:13:47,181 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-14 17:13:47,182 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 129 transitions, 293 flow [2024-10-14 17:13:47,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2024-10-14 17:13:47,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:47,182 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:47,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:13:47,182 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:47,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:47,183 INFO L85 PathProgramCache]: Analyzing trace with hash -249433461, now seen corresponding path program 1 times [2024-10-14 17:13:47,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:47,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622898371] [2024-10-14 17:13:47,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:47,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:47,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:47,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622898371] [2024-10-14 17:13:47,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622898371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:47,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:47,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:47,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286367035] [2024-10-14 17:13:47,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:47,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:47,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:47,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:47,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:47,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-14 17:13:47,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 129 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:13:47,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:47,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-14 17:13:47,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:47,272 INFO L124 PetriNetUnfolderBase]: 44/254 cut-off events. [2024-10-14 17:13:47,273 INFO L125 PetriNetUnfolderBase]: For 12/20 co-relation queries the response was YES. [2024-10-14 17:13:47,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 254 events. 44/254 cut-off events. For 12/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 922 event pairs, 14 based on Foata normal form. 1/230 useless extension candidates. Maximal degree in co-relation 255. Up to 60 conditions per place. [2024-10-14 17:13:47,274 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 18 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-10-14 17:13:47,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 131 transitions, 338 flow [2024-10-14 17:13:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-10-14 17:13:47,275 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8654618473895582 [2024-10-14 17:13:47,275 INFO L175 Difference]: Start difference. First operand has 129 places, 129 transitions, 293 flow. Second operand 3 states and 431 transitions. [2024-10-14 17:13:47,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 131 transitions, 338 flow [2024-10-14 17:13:47,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 335 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:13:47,277 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 292 flow [2024-10-14 17:13:47,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2024-10-14 17:13:47,278 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -15 predicate places. [2024-10-14 17:13:47,278 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 292 flow [2024-10-14 17:13:47,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:13:47,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:47,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:47,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:13:47,279 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:47,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:47,279 INFO L85 PathProgramCache]: Analyzing trace with hash 343278189, now seen corresponding path program 1 times [2024-10-14 17:13:47,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:47,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020193581] [2024-10-14 17:13:47,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:47,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:47,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:47,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020193581] [2024-10-14 17:13:47,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020193581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:47,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:47,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:47,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088828387] [2024-10-14 17:13:47,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:47,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:47,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:47,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:47,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:47,335 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-10-14 17:13:47,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2024-10-14 17:13:47,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:47,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-10-14 17:13:47,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:47,367 INFO L124 PetriNetUnfolderBase]: 54/301 cut-off events. [2024-10-14 17:13:47,368 INFO L125 PetriNetUnfolderBase]: For 29/30 co-relation queries the response was YES. [2024-10-14 17:13:47,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 301 events. 54/301 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1255 event pairs, 19 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 315. Up to 71 conditions per place. [2024-10-14 17:13:47,369 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 18 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-10-14 17:13:47,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 337 flow [2024-10-14 17:13:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:47,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:47,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-10-14 17:13:47,370 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8654618473895582 [2024-10-14 17:13:47,370 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 292 flow. Second operand 3 states and 431 transitions. [2024-10-14 17:13:47,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 130 transitions, 337 flow [2024-10-14 17:13:47,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 130 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:47,372 INFO L231 Difference]: Finished difference. Result has 128 places, 127 transitions, 290 flow [2024-10-14 17:13:47,373 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=128, PETRI_TRANSITIONS=127} [2024-10-14 17:13:47,374 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -16 predicate places. [2024-10-14 17:13:47,374 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 127 transitions, 290 flow [2024-10-14 17:13:47,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2024-10-14 17:13:47,374 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:47,375 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:47,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:13:47,375 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:47,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:47,375 INFO L85 PathProgramCache]: Analyzing trace with hash -426661188, now seen corresponding path program 1 times [2024-10-14 17:13:47,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:47,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826677440] [2024-10-14 17:13:47,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:47,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:47,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:47,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826677440] [2024-10-14 17:13:47,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826677440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:47,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:47,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:47,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321030504] [2024-10-14 17:13:47,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:47,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:47,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:47,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:47,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:47,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 166 [2024-10-14 17:13:47,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 127 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:13:47,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:47,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 166 [2024-10-14 17:13:47,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:47,449 INFO L124 PetriNetUnfolderBase]: 24/238 cut-off events. [2024-10-14 17:13:47,450 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-10-14 17:13:47,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 238 events. 24/238 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 636 event pairs, 4 based on Foata normal form. 4/216 useless extension candidates. Maximal degree in co-relation 188. Up to 28 conditions per place. [2024-10-14 17:13:47,451 INFO L140 encePairwiseOnDemand]: 164/166 looper letters, 7 selfloop transitions, 0 changer transitions 2/126 dead transitions. [2024-10-14 17:13:47,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 126 transitions, 306 flow [2024-10-14 17:13:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 439 transitions. [2024-10-14 17:13:47,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8815261044176707 [2024-10-14 17:13:47,465 INFO L175 Difference]: Start difference. First operand has 128 places, 127 transitions, 290 flow. Second operand 3 states and 439 transitions. [2024-10-14 17:13:47,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 126 transitions, 306 flow [2024-10-14 17:13:47,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 126 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:47,468 INFO L231 Difference]: Finished difference. Result has 127 places, 124 transitions, 279 flow [2024-10-14 17:13:47,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=279, PETRI_PLACES=127, PETRI_TRANSITIONS=124} [2024-10-14 17:13:47,469 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -17 predicate places. [2024-10-14 17:13:47,471 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 124 transitions, 279 flow [2024-10-14 17:13:47,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 17:13:47,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:47,471 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:47,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 17:13:47,472 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:47,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:47,472 INFO L85 PathProgramCache]: Analyzing trace with hash -730566541, now seen corresponding path program 1 times [2024-10-14 17:13:47,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:47,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599092841] [2024-10-14 17:13:47,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:47,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:47,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:47,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599092841] [2024-10-14 17:13:47,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599092841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:47,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:47,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:47,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441374622] [2024-10-14 17:13:47,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:47,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:47,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:47,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:47,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:47,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2024-10-14 17:13:47,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 124 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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) [2024-10-14 17:13:47,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:47,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2024-10-14 17:13:47,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:47,563 INFO L124 PetriNetUnfolderBase]: 41/247 cut-off events. [2024-10-14 17:13:47,564 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-14 17:13:47,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 247 events. 41/247 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 859 event pairs, 12 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 349. Up to 50 conditions per place. [2024-10-14 17:13:47,565 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/126 dead transitions. [2024-10-14 17:13:47,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 126 transitions, 318 flow [2024-10-14 17:13:47,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:47,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2024-10-14 17:13:47,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8714859437751004 [2024-10-14 17:13:47,567 INFO L175 Difference]: Start difference. First operand has 127 places, 124 transitions, 279 flow. Second operand 3 states and 434 transitions. [2024-10-14 17:13:47,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 126 transitions, 318 flow [2024-10-14 17:13:47,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 126 transitions, 318 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:13:47,569 INFO L231 Difference]: Finished difference. Result has 125 places, 123 transitions, 281 flow [2024-10-14 17:13:47,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=125, PETRI_TRANSITIONS=123} [2024-10-14 17:13:47,570 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -19 predicate places. [2024-10-14 17:13:47,570 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 123 transitions, 281 flow [2024-10-14 17:13:47,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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) [2024-10-14 17:13:47,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:13:47,571 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:47,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 17:13:47,571 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-10-14 17:13:47,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:13:47,572 INFO L85 PathProgramCache]: Analyzing trace with hash 4804565, now seen corresponding path program 1 times [2024-10-14 17:13:47,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:13:47,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898051781] [2024-10-14 17:13:47,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:13:47,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:13:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:13:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:13:47,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:13:47,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898051781] [2024-10-14 17:13:47,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898051781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:13:47,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:13:47,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:13:47,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676534110] [2024-10-14 17:13:47,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:13:47,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:13:47,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:13:47,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:13:47,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:13:47,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2024-10-14 17:13:47,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 123 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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) [2024-10-14 17:13:47,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:13:47,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2024-10-14 17:13:47,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:13:47,658 INFO L124 PetriNetUnfolderBase]: 50/295 cut-off events. [2024-10-14 17:13:47,658 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-10-14 17:13:47,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 295 events. 50/295 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1181 event pairs, 16 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 414. Up to 59 conditions per place. [2024-10-14 17:13:47,659 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 0 selfloop transitions, 0 changer transitions 125/125 dead transitions. [2024-10-14 17:13:47,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 125 transitions, 320 flow [2024-10-14 17:13:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:13:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:13:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2024-10-14 17:13:47,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8714859437751004 [2024-10-14 17:13:47,661 INFO L175 Difference]: Start difference. First operand has 125 places, 123 transitions, 281 flow. Second operand 3 states and 434 transitions. [2024-10-14 17:13:47,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 125 transitions, 320 flow [2024-10-14 17:13:47,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 125 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:13:47,662 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2024-10-14 17:13:47,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2024-10-14 17:13:47,663 INFO L277 CegarLoopForPetriNet]: 144 programPoint places, -20 predicate places. [2024-10-14 17:13:47,663 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2024-10-14 17:13:47,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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) [2024-10-14 17:13:47,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 47 remaining) [2024-10-14 17:13:47,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 47 remaining) [2024-10-14 17:13:47,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 47 remaining) [2024-10-14 17:13:47,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 47 remaining) [2024-10-14 17:13:47,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (42 of 47 remaining) [2024-10-14 17:13:47,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (41 of 47 remaining) [2024-10-14 17:13:47,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (40 of 47 remaining) [2024-10-14 17:13:47,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (39 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (38 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (37 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (36 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (34 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (33 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (32 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (31 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (30 of 47 remaining) [2024-10-14 17:13:47,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (29 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (28 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (27 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 47 remaining) [2024-10-14 17:13:47,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 47 remaining) [2024-10-14 17:13:47,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 47 remaining) [2024-10-14 17:13:47,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 17:13:47,670 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:13:47,676 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:13:47,676 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:13:47,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:13:47 BasicIcfg [2024-10-14 17:13:47,681 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:13:47,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:13:47,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:13:47,682 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:13:47,682 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:13:45" (3/4) ... [2024-10-14 17:13:47,683 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:13:47,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:13:47,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:13:47,691 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-14 17:13:47,691 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:13:47,691 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:13:47,691 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:13:47,745 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:13:47,745 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:13:47,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:13:47,746 INFO L158 Benchmark]: Toolchain (without parser) took 2563.22ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 149.7MB in the beginning and 138.2MB in the end (delta: 11.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2024-10-14 17:13:47,746 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:13:47,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.48ms. Allocated memory is still 180.4MB. Free memory was 149.7MB in the beginning and 137.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 17:13:47,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.86ms. Allocated memory is still 180.4MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:13:47,746 INFO L158 Benchmark]: Boogie Preprocessor took 18.93ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 133.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:13:47,747 INFO L158 Benchmark]: RCFGBuilder took 383.42ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 111.9MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 17:13:47,747 INFO L158 Benchmark]: TraceAbstraction took 1843.20ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 110.9MB in the beginning and 143.4MB in the end (delta: -32.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-10-14 17:13:47,747 INFO L158 Benchmark]: Witness Printer took 63.39ms. Allocated memory is still 228.6MB. Free memory was 143.4MB in the beginning and 138.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 17:13:47,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.48ms. Allocated memory is still 180.4MB. Free memory was 149.7MB in the beginning and 137.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.86ms. Allocated memory is still 180.4MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.93ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 133.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.42ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 111.9MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1843.20ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 110.9MB in the beginning and 143.4MB in the end (delta: -32.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 63.39ms. Allocated memory is still 228.6MB. Free memory was 143.4MB in the beginning and 138.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: 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, 242 locations, 47 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 84 mSDtfsCounter, 466 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 603 NumberOfCodeBlocks, 603 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 590 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 25 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:13:47,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE