./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-lit/qw2004_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ad14026eba5b252f16e1e7c5b06294a08c72d8fedf1d2cbda596d8ea988add3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:43:35,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:43:35,396 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:43:35,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:43:35,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:43:35,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:43:35,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:43:35,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:43:35,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:43:35,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:43:35,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:43:35,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:43:35,432 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:43:35,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:43:35,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:43:35,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:43:35,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:43:35,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:43:35,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:43:35,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:43:35,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:43:35,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:43:35,436 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:43:35,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:43:35,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:43:35,436 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:43:35,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:43:35,437 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:43:35,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:43:35,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:43:35,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:43:35,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:43:35,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:43:35,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:43:35,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:43:35,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:43:35,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:43:35,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:43:35,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:43:35,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:43:35,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:43:35,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad14026eba5b252f16e1e7c5b06294a08c72d8fedf1d2cbda596d8ea988add3 [2024-11-22 17:43:35,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:43:35,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:43:35,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:43:35,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:43:35,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:43:35,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2024-11-22 17:43:37,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:43:37,486 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:43:37,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2024-11-22 17:43:37,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ab10906/4750e79fa7c64890869d19788dab1d28/FLAGe187491ec [2024-11-22 17:43:37,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ab10906/4750e79fa7c64890869d19788dab1d28 [2024-11-22 17:43:37,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:43:37,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:43:37,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:43:37,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:43:37,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:43:37,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:43:37" (1/1) ... [2024-11-22 17:43:37,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5774e640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:37, skipping insertion in model container [2024-11-22 17:43:37,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:43:37" (1/1) ... [2024-11-22 17:43:37,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:43:38,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:43:38,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:43:38,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:43:38,361 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:43:38,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38 WrapperNode [2024-11-22 17:43:38,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:43:38,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:43:38,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:43:38,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:43:38,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,420 INFO L138 Inliner]: procedures = 173, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-22 17:43:38,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:43:38,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:43:38,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:43:38,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:43:38,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:43:38,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:43:38,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:43:38,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:43:38,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (1/1) ... [2024-11-22 17:43:38,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:43:38,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:43:38,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:43:38,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:43:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2024-11-22 17:43:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2024-11-22 17:43:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 17:43:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:43:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2024-11-22 17:43:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2024-11-22 17:43:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:43:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 17:43:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:43:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:43:38,544 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:43:38,710 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:43:38,712 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:43:38,960 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:43:38,960 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:43:39,091 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:43:39,093 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 17:43:39,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:43:39 BoogieIcfgContainer [2024-11-22 17:43:39,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:43:39,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:43:39,096 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:43:39,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:43:39,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:43:37" (1/3) ... [2024-11-22 17:43:39,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7de356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:43:39, skipping insertion in model container [2024-11-22 17:43:39,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:43:38" (2/3) ... [2024-11-22 17:43:39,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7de356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:43:39, skipping insertion in model container [2024-11-22 17:43:39,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:43:39" (3/3) ... [2024-11-22 17:43:39,103 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004_variant.i [2024-11-22 17:43:39,121 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:43:39,121 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-22 17:43:39,121 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:43:39,192 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:43:39,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 139 transitions, 286 flow [2024-11-22 17:43:39,284 INFO L124 PetriNetUnfolderBase]: 7/148 cut-off events. [2024-11-22 17:43:39,284 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:43:39,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 148 events. 7/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 251 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 108. Up to 4 conditions per place. [2024-11-22 17:43:39,295 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 139 transitions, 286 flow [2024-11-22 17:43:39,301 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 138 transitions, 283 flow [2024-11-22 17:43:39,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:43:39,316 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;@360fd907, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:43:39,316 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-22 17:43:39,321 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:43:39,322 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-22 17:43:39,322 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:43:39,322 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:43:39,323 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:43:39,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-22 17:43:39,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:43:39,327 INFO L85 PathProgramCache]: Analyzing trace with hash 275613840, now seen corresponding path program 1 times [2024-11-22 17:43:39,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:43:39,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800926274] [2024-11-22 17:43:39,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:43:39,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:43:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:43:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:43:39,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:43:39,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800926274] [2024-11-22 17:43:39,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800926274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:43:39,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:43:39,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:43:39,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210679794] [2024-11-22 17:43:39,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:43:39,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:43:39,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:43:39,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:43:39,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:43:39,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 139 [2024-11-22 17:43:39,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 138 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:39,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:43:39,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 139 [2024-11-22 17:43:39,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:43:39,694 INFO L124 PetriNetUnfolderBase]: 21/302 cut-off events. [2024-11-22 17:43:39,695 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:43:39,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 302 events. 21/302 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1182 event pairs, 15 based on Foata normal form. 23/283 useless extension candidates. Maximal degree in co-relation 299. Up to 39 conditions per place. [2024-11-22 17:43:39,700 INFO L140 encePairwiseOnDemand]: 121/139 looper letters, 10 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-11-22 17:43:39,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 120 transitions, 271 flow [2024-11-22 17:43:39,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:43:39,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:43:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2024-11-22 17:43:39,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8585131894484412 [2024-11-22 17:43:39,722 INFO L175 Difference]: Start difference. First operand has 138 places, 138 transitions, 283 flow. Second operand 3 states and 358 transitions. [2024-11-22 17:43:39,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 120 transitions, 271 flow [2024-11-22 17:43:39,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 120 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:43:39,730 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 250 flow [2024-11-22 17:43:39,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2024-11-22 17:43:39,735 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -13 predicate places. [2024-11-22 17:43:39,738 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 250 flow [2024-11-22 17:43:39,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:39,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:43:39,740 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] [2024-11-22 17:43:39,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:43:39,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-22 17:43:39,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:43:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1255414748, now seen corresponding path program 1 times [2024-11-22 17:43:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:43:39,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849443895] [2024-11-22 17:43:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:43:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:43:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:43:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:43:39,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:43:39,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849443895] [2024-11-22 17:43:39,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849443895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:43:39,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:43:39,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:43:39,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789964994] [2024-11-22 17:43:39,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:43:39,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:43:39,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:43:39,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:43:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:43:39,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 139 [2024-11-22 17:43:39,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:39,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:43:39,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 139 [2024-11-22 17:43:39,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:43:39,926 INFO L124 PetriNetUnfolderBase]: 35/389 cut-off events. [2024-11-22 17:43:39,927 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:43:39,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 389 events. 35/389 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1851 event pairs, 27 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 439. Up to 61 conditions per place. [2024-11-22 17:43:39,933 INFO L140 encePairwiseOnDemand]: 136/139 looper letters, 11 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-11-22 17:43:39,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 119 transitions, 274 flow [2024-11-22 17:43:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:43:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:43:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2024-11-22 17:43:39,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8177458033573142 [2024-11-22 17:43:39,938 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 250 flow. Second operand 3 states and 341 transitions. [2024-11-22 17:43:39,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 119 transitions, 274 flow [2024-11-22 17:43:39,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 119 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:43:39,942 INFO L231 Difference]: Finished difference. Result has 124 places, 119 transitions, 248 flow [2024-11-22 17:43:39,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=124, PETRI_TRANSITIONS=119} [2024-11-22 17:43:39,943 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -14 predicate places. [2024-11-22 17:43:39,943 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 119 transitions, 248 flow [2024-11-22 17:43:39,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:39,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:43:39,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:43:39,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:43:39,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-22 17:43:39,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:43:39,945 INFO L85 PathProgramCache]: Analyzing trace with hash -143034500, now seen corresponding path program 1 times [2024-11-22 17:43:39,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:43:39,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287444926] [2024-11-22 17:43:39,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:43:39,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:43:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:43:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:43:40,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:43:40,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287444926] [2024-11-22 17:43:40,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287444926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:43:40,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:43:40,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:43:40,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482073766] [2024-11-22 17:43:40,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:43:40,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:43:40,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:43:40,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:43:40,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:43:40,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 139 [2024-11-22 17:43:40,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:40,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:43:40,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 139 [2024-11-22 17:43:40,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:43:40,111 INFO L124 PetriNetUnfolderBase]: 35/342 cut-off events. [2024-11-22 17:43:40,114 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:43:40,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 342 events. 35/342 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1505 event pairs, 27 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 387. Up to 61 conditions per place. [2024-11-22 17:43:40,118 INFO L140 encePairwiseOnDemand]: 136/139 looper letters, 11 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2024-11-22 17:43:40,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 118 transitions, 272 flow [2024-11-22 17:43:40,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:43:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:43:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2024-11-22 17:43:40,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8177458033573142 [2024-11-22 17:43:40,124 INFO L175 Difference]: Start difference. First operand has 124 places, 119 transitions, 248 flow. Second operand 3 states and 341 transitions. [2024-11-22 17:43:40,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 118 transitions, 272 flow [2024-11-22 17:43:40,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 118 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:43:40,128 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 246 flow [2024-11-22 17:43:40,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=123, PETRI_TRANSITIONS=118} [2024-11-22 17:43:40,130 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -15 predicate places. [2024-11-22 17:43:40,131 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 246 flow [2024-11-22 17:43:40,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:40,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:43:40,132 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:43:40,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:43:40,133 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-22 17:43:40,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:43:40,134 INFO L85 PathProgramCache]: Analyzing trace with hash -948677997, now seen corresponding path program 1 times [2024-11-22 17:43:40,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:43:40,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828035837] [2024-11-22 17:43:40,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:43:40,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:43:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:43:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:43:40,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:43:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828035837] [2024-11-22 17:43:40,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828035837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:43:40,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:43:40,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:43:40,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362776547] [2024-11-22 17:43:40,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:43:40,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:43:40,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:43:40,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:43:40,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:43:40,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 139 [2024-11-22 17:43:40,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:40,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:43:40,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 139 [2024-11-22 17:43:40,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:43:40,285 INFO L124 PetriNetUnfolderBase]: 42/368 cut-off events. [2024-11-22 17:43:40,286 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:43:40,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 368 events. 42/368 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1682 event pairs, 34 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 421. Up to 74 conditions per place. [2024-11-22 17:43:40,290 INFO L140 encePairwiseOnDemand]: 136/139 looper letters, 12 selfloop transitions, 2 changer transitions 0/117 dead transitions. [2024-11-22 17:43:40,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 117 transitions, 272 flow [2024-11-22 17:43:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:43:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:43:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2024-11-22 17:43:40,293 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8129496402877698 [2024-11-22 17:43:40,293 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 246 flow. Second operand 3 states and 339 transitions. [2024-11-22 17:43:40,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 117 transitions, 272 flow [2024-11-22 17:43:40,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 117 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:43:40,297 INFO L231 Difference]: Finished difference. Result has 122 places, 117 transitions, 244 flow [2024-11-22 17:43:40,299 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=122, PETRI_TRANSITIONS=117} [2024-11-22 17:43:40,300 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -16 predicate places. [2024-11-22 17:43:40,300 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 117 transitions, 244 flow [2024-11-22 17:43:40,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:40,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:43:40,301 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] [2024-11-22 17:43:40,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:43:40,301 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-22 17:43:40,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:43:40,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2101749129, now seen corresponding path program 1 times [2024-11-22 17:43:40,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:43:40,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896985226] [2024-11-22 17:43:40,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:43:40,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:43:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:43:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:43:40,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:43:40,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896985226] [2024-11-22 17:43:40,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896985226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:43:40,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:43:40,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:43:40,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367868082] [2024-11-22 17:43:40,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:43:40,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:43:40,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:43:40,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:43:40,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:43:40,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 139 [2024-11-22 17:43:40,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 117 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:40,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:43:40,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 139 [2024-11-22 17:43:40,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:43:40,415 INFO L124 PetriNetUnfolderBase]: 29/307 cut-off events. [2024-11-22 17:43:40,415 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-22 17:43:40,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 307 events. 29/307 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1255 event pairs, 13 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 349. Up to 47 conditions per place. [2024-11-22 17:43:40,417 INFO L140 encePairwiseOnDemand]: 133/139 looper letters, 13 selfloop transitions, 5 changer transitions 0/123 dead transitions. [2024-11-22 17:43:40,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 123 transitions, 295 flow [2024-11-22 17:43:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:43:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:43:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2024-11-22 17:43:40,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8441247002398081 [2024-11-22 17:43:40,419 INFO L175 Difference]: Start difference. First operand has 122 places, 117 transitions, 244 flow. Second operand 3 states and 352 transitions. [2024-11-22 17:43:40,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 123 transitions, 295 flow [2024-11-22 17:43:40,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 123 transitions, 291 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:43:40,422 INFO L231 Difference]: Finished difference. Result has 124 places, 121 transitions, 278 flow [2024-11-22 17:43:40,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=124, PETRI_TRANSITIONS=121} [2024-11-22 17:43:40,423 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -14 predicate places. [2024-11-22 17:43:40,423 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 121 transitions, 278 flow [2024-11-22 17:43:40,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:40,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:43:40,424 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] [2024-11-22 17:43:40,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:43:40,425 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-22 17:43:40,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:43:40,426 INFO L85 PathProgramCache]: Analyzing trace with hash -958039859, now seen corresponding path program 1 times [2024-11-22 17:43:40,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:43:40,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926957777] [2024-11-22 17:43:40,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:43:40,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:43:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:43:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:43:40,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:43:40,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926957777] [2024-11-22 17:43:40,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926957777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:43:40,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:43:40,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:43:40,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320126933] [2024-11-22 17:43:40,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:43:40,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:43:40,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:43:40,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:43:40,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:43:40,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 139 [2024-11-22 17:43:40,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 121 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:40,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:43:40,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 139 [2024-11-22 17:43:40,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:43:40,556 INFO L124 PetriNetUnfolderBase]: 23/292 cut-off events. [2024-11-22 17:43:40,556 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-22 17:43:40,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 292 events. 23/292 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1180 event pairs, 6 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 344. Up to 27 conditions per place. [2024-11-22 17:43:40,558 INFO L140 encePairwiseOnDemand]: 135/139 looper letters, 14 selfloop transitions, 3 changer transitions 0/126 dead transitions. [2024-11-22 17:43:40,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 126 transitions, 329 flow [2024-11-22 17:43:40,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:43:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:43:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 355 transitions. [2024-11-22 17:43:40,561 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8513189448441247 [2024-11-22 17:43:40,561 INFO L175 Difference]: Start difference. First operand has 124 places, 121 transitions, 278 flow. Second operand 3 states and 355 transitions. [2024-11-22 17:43:40,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 126 transitions, 329 flow [2024-11-22 17:43:40,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 126 transitions, 319 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:43:40,564 INFO L231 Difference]: Finished difference. Result has 126 places, 123 transitions, 290 flow [2024-11-22 17:43:40,565 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=126, PETRI_TRANSITIONS=123} [2024-11-22 17:43:40,565 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -12 predicate places. [2024-11-22 17:43:40,565 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 123 transitions, 290 flow [2024-11-22 17:43:40,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 17:43:40,566 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:43:40,566 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] [2024-11-22 17:43:40,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:43:40,566 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-22 17:43:40,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:43:40,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2010889039, now seen corresponding path program 1 times [2024-11-22 17:43:40,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:43:40,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957632728] [2024-11-22 17:43:40,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:43:40,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:43:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 17:43:40,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 17:43:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 17:43:40,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 17:43:40,630 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 17:43:40,631 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2024-11-22 17:43:40,633 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2024-11-22 17:43:40,633 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2024-11-22 17:43:40,633 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2024-11-22 17:43:40,635 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2024-11-22 17:43:40,635 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2024-11-22 17:43:40,636 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2024-11-22 17:43:40,636 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2024-11-22 17:43:40,636 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2024-11-22 17:43:40,638 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2024-11-22 17:43:40,639 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2024-11-22 17:43:40,639 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2024-11-22 17:43:40,639 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2024-11-22 17:43:40,639 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2024-11-22 17:43:40,639 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2024-11-22 17:43:40,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2024-11-22 17:43:40,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2024-11-22 17:43:40,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2024-11-22 17:43:40,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2024-11-22 17:43:40,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2024-11-22 17:43:40,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 36 remaining) [2024-11-22 17:43:40,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2024-11-22 17:43:40,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining) [2024-11-22 17:43:40,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining) [2024-11-22 17:43:40,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2024-11-22 17:43:40,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2024-11-22 17:43:40,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2024-11-22 17:43:40,641 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2024-11-22 17:43:40,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2024-11-22 17:43:40,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr1ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2024-11-22 17:43:40,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr2ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2024-11-22 17:43:40,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr3ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2024-11-22 17:43:40,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr4ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2024-11-22 17:43:40,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr5ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2024-11-22 17:43:40,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr6ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2024-11-22 17:43:40,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpAddErr7ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2024-11-22 17:43:40,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:43:40,644 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:43:40,700 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 17:43:40,700 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 17:43:40,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:43:40 BasicIcfg [2024-11-22 17:43:40,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 17:43:40,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 17:43:40,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 17:43:40,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 17:43:40,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:43:39" (3/4) ... [2024-11-22 17:43:40,710 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 17:43:40,773 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 17:43:40,773 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 17:43:40,774 INFO L158 Benchmark]: Toolchain (without parser) took 2956.06ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 102.6MB in the beginning and 182.1MB in the end (delta: -79.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:43:40,774 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:43:40,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.29ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 79.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-22 17:43:40,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.73ms. Allocated memory is still 159.4MB. Free memory was 79.5MB in the beginning and 77.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 17:43:40,775 INFO L158 Benchmark]: Boogie Preprocessor took 32.40ms. Allocated memory is still 159.4MB. Free memory was 77.4MB in the beginning and 75.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 17:43:40,775 INFO L158 Benchmark]: RCFGBuilder took 633.94ms. Allocated memory is still 159.4MB. Free memory was 75.7MB in the beginning and 106.4MB in the end (delta: -30.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-22 17:43:40,776 INFO L158 Benchmark]: TraceAbstraction took 1611.95ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 105.6MB in the beginning and 188.3MB in the end (delta: -82.7MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2024-11-22 17:43:40,776 INFO L158 Benchmark]: Witness Printer took 65.73ms. Allocated memory is still 224.4MB. Free memory was 188.3MB in the beginning and 182.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 17:43:40,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.29ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 79.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.73ms. Allocated memory is still 159.4MB. Free memory was 79.5MB in the beginning and 77.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.40ms. Allocated memory is still 159.4MB. Free memory was 77.4MB in the beginning and 75.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.94ms. Allocated memory is still 159.4MB. Free memory was 75.7MB in the beginning and 106.4MB in the end (delta: -30.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1611.95ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 105.6MB in the beginning and 188.3MB in the end (delta: -82.7MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. * Witness Printer took 65.73ms. Allocated memory is still 224.4MB. Free memory was 188.3MB in the beginning and 182.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 730]: Data race detected Data race detected The following path leads to a data race: [L697] 0 volatile int stoppingFlag; VAL [stoppingFlag=0] [L698] 0 volatile int pendingIo; VAL [pendingIo=0, stoppingFlag=0] [L699] 0 volatile int stoppingEvent; VAL [pendingIo=0, stoppingEvent=0, stoppingFlag=0] [L700] 0 volatile int stopped; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L737] 0 pthread_t t; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L738] 0 int i; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L739] 0 pendingIo = 1 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L740] 0 stoppingFlag = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L741] 0 stoppingEvent = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L742] 0 stopped = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L743] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpStop, 0) VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t=-1] [L744] 0 i = 0 VAL [i=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t=-1] [L744] COND TRUE 0 i < 10 VAL [i=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t=-1] [L745] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpAdd, 0) VAL [i=0, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t=0] [L721] 2 int status; [L722] CALL 2 BCSP_IoIncrement() [L730] 1 stoppingFlag = 1 VAL [\old(arg)={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L703] 2 \read(stoppingFlag) [L703] 2 \read(stoppingFlag) [L703] COND TRUE 2 \read(stoppingFlag) VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L730] 1 stoppingFlag = 1 VAL [\old(arg)={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] Now there is a data race on ~stoppingFlag~0 between C: if (stoppingFlag) { __VERIFIER_atomic_end(); return -1; } else { pendingIo = pendingIo + 1; } [703-708] and C: stoppingFlag = 1 [730] - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 732]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 733]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 724]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 740]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 741]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 742]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 745]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 208 locations, 36 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: 1.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 14 mSDtfsCounter, 155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=6, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-22 17:43:40,801 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE