./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.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 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:32:17,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:32:17,446 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:32:17,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:32:17,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:32:17,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:32:17,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:32:17,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:32:17,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:32:17,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:32:17,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:32:17,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:32:17,489 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:32:17,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:32:17,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:32:17,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:32:17,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:32:17,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:32:17,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:32:17,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:32:17,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:32:17,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:32:17,493 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:32:17,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:32:17,494 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:32:17,494 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:32:17,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:32:17,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:32:17,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:32:17,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:32:17,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:32:17,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:32:17,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:32:17,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:32:17,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:32:17,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:32:17,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:32:17,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:32:17,499 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:32:17,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:32:17,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:32:17,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8389c73a3873efed3be614e3a02a2457c4db9f1b1dfabf64c87229b49920fe65 [2024-11-19 05:32:17,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:32:17,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:32:17,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:32:17,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:32:17,805 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:32:17,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-19 05:32:19,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:32:19,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:32:19,702 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-19 05:32:19,721 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49dcfde54/fdbdccc877d5475a8b3b868762f1e406/FLAG7d92ccdea [2024-11-19 05:32:19,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49dcfde54/fdbdccc877d5475a8b3b868762f1e406 [2024-11-19 05:32:19,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:32:19,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:32:19,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:32:19,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:32:19,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:32:19,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:32:19" (1/1) ... [2024-11-19 05:32:19,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747cb9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:19, skipping insertion in model container [2024-11-19 05:32:19,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:32:19" (1/1) ... [2024-11-19 05:32:19,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:32:20,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:32:20,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:32:20,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:32:20,410 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:32:20,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20 WrapperNode [2024-11-19 05:32:20,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:32:20,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:32:20,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:32:20,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:32:20,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,483 INFO L138 Inliner]: procedures = 173, calls = 62, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 486 [2024-11-19 05:32:20,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:32:20,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:32:20,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:32:20,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:32:20,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:32:20,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:32:20,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:32:20,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:32:20,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (1/1) ... [2024-11-19 05:32:20,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:32:20,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:32:20,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:32:20,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:32:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-19 05:32:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-19 05:32:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:32:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:32:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:32:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:32:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:32:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:32:20,625 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:32:20,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:32:20,761 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:32:21,265 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:32:21,266 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:32:21,339 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:32:21,341 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 05:32:21,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:32:21 BoogieIcfgContainer [2024-11-19 05:32:21,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:32:21,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:32:21,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:32:21,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:32:21,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:32:19" (1/3) ... [2024-11-19 05:32:21,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@beb55b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:32:21, skipping insertion in model container [2024-11-19 05:32:21,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:32:20" (2/3) ... [2024-11-19 05:32:21,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@beb55b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:32:21, skipping insertion in model container [2024-11-19 05:32:21,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:32:21" (3/3) ... [2024-11-19 05:32:21,350 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-11-19 05:32:21,363 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:32:21,363 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-19 05:32:21,363 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:32:21,499 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:32:21,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 448 places, 498 transitions, 1000 flow [2024-11-19 05:32:21,792 INFO L124 PetriNetUnfolderBase]: 54/507 cut-off events. [2024-11-19 05:32:21,793 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:32:21,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 507 events. 54/507 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1565 event pairs, 0 based on Foata normal form. 0/448 useless extension candidates. Maximal degree in co-relation 361. Up to 10 conditions per place. [2024-11-19 05:32:21,805 INFO L82 GeneralOperation]: Start removeDead. Operand has 448 places, 498 transitions, 1000 flow [2024-11-19 05:32:21,818 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 448 places, 498 transitions, 1000 flow [2024-11-19 05:32:21,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:32:21,834 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;@589c2f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:32:21,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-19 05:32:21,871 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:32:21,871 INFO L124 PetriNetUnfolderBase]: 3/162 cut-off events. [2024-11-19 05:32:21,871 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:32:21,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:32:21,873 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:32:21,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-19 05:32:21,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:32:21,880 INFO L85 PathProgramCache]: Analyzing trace with hash 2127466026, now seen corresponding path program 1 times [2024-11-19 05:32:21,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:32:21,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639547334] [2024-11-19 05:32:21,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:32:21,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:32:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:22,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:32:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:22,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:32:22,245 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:32:22,246 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-19 05:32:22,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-19 05:32:22,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-19 05:32:22,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-19 05:32:22,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-19 05:32:22,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-19 05:32:22,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-19 05:32:22,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:32:22,250 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 05:32:22,254 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:32:22,254 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-19 05:32:22,363 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:32:22,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 751 places, 851 transitions, 1712 flow [2024-11-19 05:32:22,638 INFO L124 PetriNetUnfolderBase]: 107/869 cut-off events. [2024-11-19 05:32:22,638 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:32:22,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 869 events. 107/869 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4288 event pairs, 0 based on Foata normal form. 0/753 useless extension candidates. Maximal degree in co-relation 713. Up to 10 conditions per place. [2024-11-19 05:32:22,680 INFO L82 GeneralOperation]: Start removeDead. Operand has 751 places, 851 transitions, 1712 flow [2024-11-19 05:32:22,734 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 751 places, 851 transitions, 1712 flow [2024-11-19 05:32:22,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:32:22,740 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;@589c2f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:32:22,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-19 05:32:22,763 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:32:22,764 INFO L124 PetriNetUnfolderBase]: 5/193 cut-off events. [2024-11-19 05:32:22,765 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:32:22,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:32:22,765 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:32:22,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 05:32:22,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:32:22,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1896205743, now seen corresponding path program 1 times [2024-11-19 05:32:22,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:32:22,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349728280] [2024-11-19 05:32:22,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:32:22,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:32:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:22,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:32:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:22,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:32:22,966 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:32:22,967 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-11-19 05:32:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-19 05:32:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-19 05:32:22,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-19 05:32:22,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-19 05:32:22,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-19 05:32:22,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-19 05:32:22,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-19 05:32:22,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-19 05:32:22,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-19 05:32:22,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:32:22,971 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 05:32:22,972 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:32:22,973 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-19 05:32:23,098 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:32:23,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1054 places, 1204 transitions, 2426 flow [2024-11-19 05:32:23,747 INFO L124 PetriNetUnfolderBase]: 160/1231 cut-off events. [2024-11-19 05:32:23,747 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-19 05:32:23,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 1231 events. 160/1231 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7319 event pairs, 0 based on Foata normal form. 0/1058 useless extension candidates. Maximal degree in co-relation 1065. Up to 10 conditions per place. [2024-11-19 05:32:23,781 INFO L82 GeneralOperation]: Start removeDead. Operand has 1054 places, 1204 transitions, 2426 flow [2024-11-19 05:32:23,807 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1054 places, 1204 transitions, 2426 flow [2024-11-19 05:32:23,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:32:23,811 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;@589c2f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:32:23,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-19 05:32:23,835 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:32:23,835 INFO L124 PetriNetUnfolderBase]: 7/249 cut-off events. [2024-11-19 05:32:23,835 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-19 05:32:23,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:32:23,836 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:32:23,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-11-19 05:32:23,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:32:23,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1817176016, now seen corresponding path program 1 times [2024-11-19 05:32:23,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:32:23,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406747812] [2024-11-19 05:32:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:32:23,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:32:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:23,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:32:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:23,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:32:23,977 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:32:23,978 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2024-11-19 05:32:23,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-19 05:32:23,978 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-19 05:32:23,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-19 05:32:23,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-19 05:32:23,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-19 05:32:23,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-19 05:32:23,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-19 05:32:23,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-19 05:32:23,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-19 05:32:23,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-19 05:32:23,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-19 05:32:23,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-19 05:32:23,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:32:23,982 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 05:32:23,983 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:32:23,984 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-19 05:32:24,109 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:32:24,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1357 places, 1557 transitions, 3142 flow [2024-11-19 05:32:25,190 INFO L124 PetriNetUnfolderBase]: 213/1593 cut-off events. [2024-11-19 05:32:25,191 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-19 05:32:25,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1612 conditions, 1593 events. 213/1593 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10649 event pairs, 0 based on Foata normal form. 0/1363 useless extension candidates. Maximal degree in co-relation 1417. Up to 10 conditions per place. [2024-11-19 05:32:25,254 INFO L82 GeneralOperation]: Start removeDead. Operand has 1357 places, 1557 transitions, 3142 flow [2024-11-19 05:32:25,296 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1357 places, 1557 transitions, 3142 flow [2024-11-19 05:32:25,298 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:32:25,298 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;@589c2f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:32:25,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-19 05:32:25,341 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:32:25,342 INFO L124 PetriNetUnfolderBase]: 15/361 cut-off events. [2024-11-19 05:32:25,342 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-19 05:32:25,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:32:25,342 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:32:25,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2024-11-19 05:32:25,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:32:25,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2068467344, now seen corresponding path program 1 times [2024-11-19 05:32:25,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:32:25,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668489338] [2024-11-19 05:32:25,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:32:25,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:32:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:25,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:32:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:25,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:32:25,453 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:32:25,454 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining) [2024-11-19 05:32:25,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2024-11-19 05:32:25,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2024-11-19 05:32:25,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2024-11-19 05:32:25,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2024-11-19 05:32:25,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2024-11-19 05:32:25,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2024-11-19 05:32:25,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2024-11-19 05:32:25,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2024-11-19 05:32:25,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2024-11-19 05:32:25,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2024-11-19 05:32:25,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2024-11-19 05:32:25,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2024-11-19 05:32:25,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2024-11-19 05:32:25,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2024-11-19 05:32:25,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2024-11-19 05:32:25,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:32:25,457 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 05:32:25,458 WARN L244 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:32:25,458 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-11-19 05:32:25,734 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:32:25,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1660 places, 1910 transitions, 3860 flow [2024-11-19 05:32:27,400 INFO L124 PetriNetUnfolderBase]: 266/1955 cut-off events. [2024-11-19 05:32:27,400 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-19 05:32:27,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1981 conditions, 1955 events. 266/1955 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14020 event pairs, 0 based on Foata normal form. 0/1668 useless extension candidates. Maximal degree in co-relation 1769. Up to 12 conditions per place. [2024-11-19 05:32:27,521 INFO L82 GeneralOperation]: Start removeDead. Operand has 1660 places, 1910 transitions, 3860 flow [2024-11-19 05:32:27,584 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1660 places, 1910 transitions, 3860 flow [2024-11-19 05:32:27,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:32:27,587 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;@589c2f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:32:27,587 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-19 05:32:27,677 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:32:27,677 INFO L124 PetriNetUnfolderBase]: 39/573 cut-off events. [2024-11-19 05:32:27,677 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-19 05:32:27,677 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:32:27,678 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:32:27,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 15 more)] === [2024-11-19 05:32:27,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:32:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1258131142, now seen corresponding path program 1 times [2024-11-19 05:32:27,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:32:27,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162272386] [2024-11-19 05:32:27,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:32:27,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:32:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:27,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:32:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:27,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:32:27,774 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:32:27,774 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2024-11-19 05:32:27,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining) [2024-11-19 05:32:27,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining) [2024-11-19 05:32:27,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining) [2024-11-19 05:32:27,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 19 remaining) [2024-11-19 05:32:27,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 19 remaining) [2024-11-19 05:32:27,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 19 remaining) [2024-11-19 05:32:27,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 19 remaining) [2024-11-19 05:32:27,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining) [2024-11-19 05:32:27,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining) [2024-11-19 05:32:27,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 19 remaining) [2024-11-19 05:32:27,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 19 remaining) [2024-11-19 05:32:27,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 19 remaining) [2024-11-19 05:32:27,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining) [2024-11-19 05:32:27,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining) [2024-11-19 05:32:27,776 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining) [2024-11-19 05:32:27,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining) [2024-11-19 05:32:27,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining) [2024-11-19 05:32:27,777 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining) [2024-11-19 05:32:27,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:32:27,777 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 05:32:27,778 WARN L244 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:32:27,778 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-11-19 05:32:28,078 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:32:28,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1963 places, 2263 transitions, 4580 flow [2024-11-19 05:32:30,149 INFO L124 PetriNetUnfolderBase]: 319/2317 cut-off events. [2024-11-19 05:32:30,150 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-11-19 05:32:30,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2351 conditions, 2317 events. 319/2317 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 17477 event pairs, 0 based on Foata normal form. 0/1973 useless extension candidates. Maximal degree in co-relation 2121. Up to 14 conditions per place. [2024-11-19 05:32:30,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 1963 places, 2263 transitions, 4580 flow [2024-11-19 05:32:30,346 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1963 places, 2263 transitions, 4580 flow [2024-11-19 05:32:30,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:32:30,348 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;@589c2f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:32:30,348 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-19 05:32:30,534 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:32:30,535 INFO L124 PetriNetUnfolderBase]: 71/818 cut-off events. [2024-11-19 05:32:30,535 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2024-11-19 05:32:30,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:32:30,536 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:32:30,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 18 more)] === [2024-11-19 05:32:30,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:32:30,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1802292081, now seen corresponding path program 1 times [2024-11-19 05:32:30,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:32:30,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603560272] [2024-11-19 05:32:30,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:32:30,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:32:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:30,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:32:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:30,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:32:30,752 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:32:30,752 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2024-11-19 05:32:30,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2024-11-19 05:32:30,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2024-11-19 05:32:30,753 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2024-11-19 05:32:30,754 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2024-11-19 05:32:30,754 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2024-11-19 05:32:30,754 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2024-11-19 05:32:30,754 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2024-11-19 05:32:30,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2024-11-19 05:32:30,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2024-11-19 05:32:30,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2024-11-19 05:32:30,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2024-11-19 05:32:30,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2024-11-19 05:32:30,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2024-11-19 05:32:30,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2024-11-19 05:32:30,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2024-11-19 05:32:30,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2024-11-19 05:32:30,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2024-11-19 05:32:30,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2024-11-19 05:32:30,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2024-11-19 05:32:30,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2024-11-19 05:32:30,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2024-11-19 05:32:30,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:32:30,761 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 05:32:30,761 WARN L244 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:32:30,761 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2024-11-19 05:32:30,948 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:32:30,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2266 places, 2616 transitions, 5302 flow [2024-11-19 05:32:33,587 INFO L124 PetriNetUnfolderBase]: 372/2679 cut-off events. [2024-11-19 05:32:33,588 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-11-19 05:32:33,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2722 conditions, 2679 events. 372/2679 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 20870 event pairs, 0 based on Foata normal form. 0/2278 useless extension candidates. Maximal degree in co-relation 2473. Up to 16 conditions per place. [2024-11-19 05:32:33,754 INFO L82 GeneralOperation]: Start removeDead. Operand has 2266 places, 2616 transitions, 5302 flow [2024-11-19 05:32:33,875 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2266 places, 2616 transitions, 5302 flow [2024-11-19 05:32:33,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:32:33,877 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;@589c2f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:32:33,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-19 05:32:34,323 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:32:34,323 INFO L124 PetriNetUnfolderBase]: 113/1125 cut-off events. [2024-11-19 05:32:34,324 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-11-19 05:32:34,324 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:32:34,324 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:32:34,324 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 21 more)] === [2024-11-19 05:32:34,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:32:34,325 INFO L85 PathProgramCache]: Analyzing trace with hash -542627096, now seen corresponding path program 1 times [2024-11-19 05:32:34,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:32:34,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431029066] [2024-11-19 05:32:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:32:34,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:32:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:34,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:32:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:32:34,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:32:34,435 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:32:34,435 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining) [2024-11-19 05:32:34,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-11-19 05:32:34,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-11-19 05:32:34,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-11-19 05:32:34,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-11-19 05:32:34,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-11-19 05:32:34,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-11-19 05:32:34,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-11-19 05:32:34,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-11-19 05:32:34,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-11-19 05:32:34,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-11-19 05:32:34,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-11-19 05:32:34,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2024-11-19 05:32:34,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-11-19 05:32:34,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2024-11-19 05:32:34,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2024-11-19 05:32:34,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-11-19 05:32:34,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-11-19 05:32:34,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-11-19 05:32:34,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-11-19 05:32:34,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-11-19 05:32:34,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-11-19 05:32:34,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-11-19 05:32:34,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-11-19 05:32:34,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-11-19 05:32:34,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:32:34,440 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 05:32:34,441 WARN L244 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:32:34,441 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2024-11-19 05:32:34,692 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:32:34,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2569 places, 2969 transitions, 6026 flow [2024-11-19 05:32:38,178 INFO L124 PetriNetUnfolderBase]: 425/3041 cut-off events. [2024-11-19 05:32:38,178 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2024-11-19 05:32:38,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3094 conditions, 3041 events. 425/3041 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 24300 event pairs, 0 based on Foata normal form. 0/2583 useless extension candidates. Maximal degree in co-relation 2825. Up to 18 conditions per place. [2024-11-19 05:32:38,403 INFO L82 GeneralOperation]: Start removeDead. Operand has 2569 places, 2969 transitions, 6026 flow [2024-11-19 05:32:38,529 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2569 places, 2969 transitions, 6026 flow [2024-11-19 05:32:38,531 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:32:38,532 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;@589c2f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:32:38,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-19 05:32:39,160 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:32:39,160 INFO L124 PetriNetUnfolderBase]: 147/1379 cut-off events. [2024-11-19 05:32:39,160 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-19 05:32:39,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:32:39,161 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:32:39,161 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 24 more)] === [2024-11-19 05:32:39,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:32:39,162 INFO L85 PathProgramCache]: Analyzing trace with hash 254012590, now seen corresponding path program 1 times [2024-11-19 05:32:39,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:32:39,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780740568] [2024-11-19 05:32:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:32:39,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:32:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:32:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:32:39,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:32:39,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780740568] [2024-11-19 05:32:39,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780740568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:32:39,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:32:39,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:32:39,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544587828] [2024-11-19 05:32:39,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:32:39,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:32:39,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:32:39,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:32:39,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:32:39,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2303 out of 2969 [2024-11-19 05:32:39,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2569 places, 2969 transitions, 6026 flow. Second operand has 3 states, 3 states have (on average 2304.3333333333335) internal successors, (6913), 3 states have internal predecessors, (6913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:32:39,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:32:39,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2303 of 2969 [2024-11-19 05:32:39,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand