./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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/weaver/chl-chromosome-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:42:48,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:42:48,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:42:48,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:42:48,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:42:48,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:42:48,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:42:48,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:42:48,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:42:48,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:42:48,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:42:48,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:42:48,868 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:42:48,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:42:48,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:42:48,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:42:48,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:42:48,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:42:48,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:42:48,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:42:48,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:42:48,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:42:48,874 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:42:48,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:42:48,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:42:48,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:42:48,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:42:48,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:42:48,875 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:42:48,875 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:42:48,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:42:48,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:48,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:42:48,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:42:48,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:42:48,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:42:48,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:42:48,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:42:48,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:42:48,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:42:48,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:42:48,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa [2024-11-16 23:42:49,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:42:49,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:42:49,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:42:49,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:42:49,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:42:49,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2024-11-16 23:42:50,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:42:50,432 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:42:50,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2024-11-16 23:42:50,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af517a31d/5c5da443477a4fd88064d301845588d3/FLAG55b2f9d04 [2024-11-16 23:42:50,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af517a31d/5c5da443477a4fd88064d301845588d3 [2024-11-16 23:42:50,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:42:50,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:42:50,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:50,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:42:50,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:42:50,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f6fb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50, skipping insertion in model container [2024-11-16 23:42:50,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:42:50,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:50,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:42:50,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:42:50,720 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:42:50,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50 WrapperNode [2024-11-16 23:42:50,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:42:50,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:50,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:42:50,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:42:50,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,761 INFO L138 Inliner]: procedures = 24, calls = 28, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 319 [2024-11-16 23:42:50,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:42:50,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:42:50,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:42:50,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:42:50,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,800 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:42:50,813 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:42:50,813 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:42:50,813 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:42:50,814 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (1/1) ... [2024-11-16 23:42:50,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:42:50,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:42:50,838 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) [2024-11-16 23:42:50,840 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 [2024-11-16 23:42:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:42:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:42:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:42:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:42:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:42:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:42:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:42:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:42:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:42:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:42:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:42:50,890 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:42:50,985 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:42:50,987 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:42:51,448 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:42:51,448 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:42:51,469 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:42:51,469 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:42:51,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:51 BoogieIcfgContainer [2024-11-16 23:42:51,471 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:42:51,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:42:51,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:42:51,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:42:51,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:42:50" (1/3) ... [2024-11-16 23:42:51,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd401c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:51, skipping insertion in model container [2024-11-16 23:42:51,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:50" (2/3) ... [2024-11-16 23:42:51,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd401c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:42:51, skipping insertion in model container [2024-11-16 23:42:51,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:51" (3/3) ... [2024-11-16 23:42:51,478 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2024-11-16 23:42:51,491 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:42:51,492 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-16 23:42:51,492 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:42:51,607 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:42:51,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 416 places, 435 transitions, 884 flow [2024-11-16 23:42:51,766 INFO L124 PetriNetUnfolderBase]: 26/433 cut-off events. [2024-11-16 23:42:51,767 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:42:51,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 433 events. 26/433 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 715 event pairs, 0 based on Foata normal form. 0/373 useless extension candidates. Maximal degree in co-relation 260. Up to 2 conditions per place. [2024-11-16 23:42:51,775 INFO L82 GeneralOperation]: Start removeDead. Operand has 416 places, 435 transitions, 884 flow [2024-11-16 23:42:51,784 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 396 places, 413 transitions, 838 flow [2024-11-16 23:42:51,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:42:51,798 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;@35baca06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:42:51,799 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-16 23:42:51,808 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:42:51,808 INFO L124 PetriNetUnfolderBase]: 3/61 cut-off events. [2024-11-16 23:42:51,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:42:51,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:51,809 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] [2024-11-16 23:42:51,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:51,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:51,815 INFO L85 PathProgramCache]: Analyzing trace with hash -605765322, now seen corresponding path program 1 times [2024-11-16 23:42:51,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:51,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658400628] [2024-11-16 23:42:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:51,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:52,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:52,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658400628] [2024-11-16 23:42:52,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658400628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:52,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:52,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:52,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435221100] [2024-11-16 23:42:52,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:52,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:42:52,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:52,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:42:52,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:42:52,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 435 [2024-11-16 23:42:52,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 413 transitions, 838 flow. Second operand has 2 states, 2 states have (on average 413.5) internal successors, (827), 2 states have internal predecessors, (827), 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) [2024-11-16 23:42:52,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:52,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 435 [2024-11-16 23:42:52,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:52,116 INFO L124 PetriNetUnfolderBase]: 8/397 cut-off events. [2024-11-16 23:42:52,116 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-16 23:42:52,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 397 events. 8/397 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 676 event pairs, 0 based on Foata normal form. 18/362 useless extension candidates. Maximal degree in co-relation 251. Up to 5 conditions per place. [2024-11-16 23:42:52,120 INFO L140 encePairwiseOnDemand]: 419/435 looper letters, 4 selfloop transitions, 0 changer transitions 6/397 dead transitions. [2024-11-16 23:42:52,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 397 transitions, 814 flow [2024-11-16 23:42:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:42:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:42:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 846 transitions. [2024-11-16 23:42:52,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724137931034482 [2024-11-16 23:42:52,138 INFO L175 Difference]: Start difference. First operand has 396 places, 413 transitions, 838 flow. Second operand 2 states and 846 transitions. [2024-11-16 23:42:52,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 397 transitions, 814 flow [2024-11-16 23:42:52,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 397 transitions, 806 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-16 23:42:52,149 INFO L231 Difference]: Finished difference. Result has 393 places, 391 transitions, 786 flow [2024-11-16 23:42:52,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=786, PETRI_PLACES=393, PETRI_TRANSITIONS=391} [2024-11-16 23:42:52,154 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -3 predicate places. [2024-11-16 23:42:52,155 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 391 transitions, 786 flow [2024-11-16 23:42:52,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 413.5) internal successors, (827), 2 states have internal predecessors, (827), 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) [2024-11-16 23:42:52,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:52,156 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] [2024-11-16 23:42:52,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:42:52,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:52,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:52,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1593812323, now seen corresponding path program 1 times [2024-11-16 23:42:52,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:52,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516794886] [2024-11-16 23:42:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:52,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:52,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516794886] [2024-11-16 23:42:52,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516794886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:52,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:52,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:52,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084139260] [2024-11-16 23:42:52,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:52,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:52,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:52,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 435 [2024-11-16 23:42:52,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 391 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:42:52,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:52,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 435 [2024-11-16 23:42:52,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:52,342 INFO L124 PetriNetUnfolderBase]: 13/498 cut-off events. [2024-11-16 23:42:52,343 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-16 23:42:52,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 498 events. 13/498 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1312 event pairs, 3 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 518. Up to 16 conditions per place. [2024-11-16 23:42:52,349 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 9 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2024-11-16 23:42:52,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 390 transitions, 806 flow [2024-11-16 23:42:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:52,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-16 23:42:52,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379310344827586 [2024-11-16 23:42:52,353 INFO L175 Difference]: Start difference. First operand has 393 places, 391 transitions, 786 flow. Second operand 3 states and 1224 transitions. [2024-11-16 23:42:52,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 390 transitions, 806 flow [2024-11-16 23:42:52,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 390 transitions, 806 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:52,360 INFO L231 Difference]: Finished difference. Result has 388 places, 390 transitions, 788 flow [2024-11-16 23:42:52,361 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=388, PETRI_TRANSITIONS=390} [2024-11-16 23:42:52,362 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -8 predicate places. [2024-11-16 23:42:52,362 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 390 transitions, 788 flow [2024-11-16 23:42:52,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:42:52,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:52,363 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] [2024-11-16 23:42:52,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:42:52,364 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:52,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:52,365 INFO L85 PathProgramCache]: Analyzing trace with hash 35983854, now seen corresponding path program 1 times [2024-11-16 23:42:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:52,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373540356] [2024-11-16 23:42:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:52,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:52,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:52,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373540356] [2024-11-16 23:42:52,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373540356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:52,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:52,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:52,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356626085] [2024-11-16 23:42:52,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:52,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:52,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:52,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:52,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:42:53,049 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2024-11-16 23:42:53,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 390 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 370.5) internal successors, (2223), 6 states have internal predecessors, (2223), 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) [2024-11-16 23:42:53,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:53,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2024-11-16 23:42:53,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:53,256 INFO L124 PetriNetUnfolderBase]: 131/1628 cut-off events. [2024-11-16 23:42:53,256 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-11-16 23:42:53,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 1628 events. 131/1628 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 10321 event pairs, 80 based on Foata normal form. 0/1393 useless extension candidates. Maximal degree in co-relation 1873. Up to 224 conditions per place. [2024-11-16 23:42:53,265 INFO L140 encePairwiseOnDemand]: 423/435 looper letters, 36 selfloop transitions, 10 changer transitions 0/388 dead transitions. [2024-11-16 23:42:53,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 388 transitions, 876 flow [2024-11-16 23:42:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2262 transitions. [2024-11-16 23:42:53,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2024-11-16 23:42:53,270 INFO L175 Difference]: Start difference. First operand has 388 places, 390 transitions, 788 flow. Second operand 6 states and 2262 transitions. [2024-11-16 23:42:53,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 388 transitions, 876 flow [2024-11-16 23:42:53,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 388 transitions, 872 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:53,275 INFO L231 Difference]: Finished difference. Result has 389 places, 388 transitions, 800 flow [2024-11-16 23:42:53,275 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=800, PETRI_PLACES=389, PETRI_TRANSITIONS=388} [2024-11-16 23:42:53,276 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -7 predicate places. [2024-11-16 23:42:53,277 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 388 transitions, 800 flow [2024-11-16 23:42:53,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 370.5) internal successors, (2223), 6 states have internal predecessors, (2223), 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) [2024-11-16 23:42:53,278 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:53,278 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] [2024-11-16 23:42:53,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:42:53,279 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:53,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:53,279 INFO L85 PathProgramCache]: Analyzing trace with hash -400874267, now seen corresponding path program 1 times [2024-11-16 23:42:53,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:53,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571495899] [2024-11-16 23:42:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:53,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:53,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:53,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571495899] [2024-11-16 23:42:53,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571495899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:53,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:53,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:53,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494509479] [2024-11-16 23:42:53,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:53,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:53,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:53,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:53,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:53,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 435 [2024-11-16 23:42:53,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 388 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:42:53,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:53,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 435 [2024-11-16 23:42:53,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:53,380 INFO L124 PetriNetUnfolderBase]: 16/575 cut-off events. [2024-11-16 23:42:53,380 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-16 23:42:53,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 575 events. 16/575 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1509 event pairs, 3 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 607. Up to 18 conditions per place. [2024-11-16 23:42:53,384 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 9 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2024-11-16 23:42:53,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 387 transitions, 820 flow [2024-11-16 23:42:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-16 23:42:53,387 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379310344827586 [2024-11-16 23:42:53,387 INFO L175 Difference]: Start difference. First operand has 389 places, 388 transitions, 800 flow. Second operand 3 states and 1224 transitions. [2024-11-16 23:42:53,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 387 transitions, 820 flow [2024-11-16 23:42:53,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 387 transitions, 800 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:53,391 INFO L231 Difference]: Finished difference. Result has 385 places, 387 transitions, 782 flow [2024-11-16 23:42:53,392 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=385, PETRI_TRANSITIONS=387} [2024-11-16 23:42:53,393 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -11 predicate places. [2024-11-16 23:42:53,393 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 387 transitions, 782 flow [2024-11-16 23:42:53,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:42:53,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:53,395 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] [2024-11-16 23:42:53,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:42:53,395 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:53,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash 931550473, now seen corresponding path program 1 times [2024-11-16 23:42:53,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:53,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753878315] [2024-11-16 23:42:53,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:53,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:53,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:53,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753878315] [2024-11-16 23:42:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753878315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:53,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:53,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:53,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743096639] [2024-11-16 23:42:53,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:53,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:53,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:53,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:53,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:53,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 435 [2024-11-16 23:42:53,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 387 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:42:53,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:53,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 435 [2024-11-16 23:42:53,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:53,518 INFO L124 PetriNetUnfolderBase]: 15/590 cut-off events. [2024-11-16 23:42:53,519 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:42:53,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 590 events. 15/590 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1821 event pairs, 3 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 612. Up to 16 conditions per place. [2024-11-16 23:42:53,522 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 9 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-16 23:42:53,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 386 transitions, 802 flow [2024-11-16 23:42:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:53,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:53,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-16 23:42:53,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379310344827586 [2024-11-16 23:42:53,524 INFO L175 Difference]: Start difference. First operand has 385 places, 387 transitions, 782 flow. Second operand 3 states and 1224 transitions. [2024-11-16 23:42:53,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 386 transitions, 802 flow [2024-11-16 23:42:53,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 798 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:53,530 INFO L231 Difference]: Finished difference. Result has 384 places, 386 transitions, 780 flow [2024-11-16 23:42:53,531 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=384, PETRI_TRANSITIONS=386} [2024-11-16 23:42:53,532 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -12 predicate places. [2024-11-16 23:42:53,533 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 386 transitions, 780 flow [2024-11-16 23:42:53,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:42:53,534 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:53,534 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] [2024-11-16 23:42:53,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:42:53,534 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:53,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:53,536 INFO L85 PathProgramCache]: Analyzing trace with hash -831164391, now seen corresponding path program 1 times [2024-11-16 23:42:53,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:53,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046817642] [2024-11-16 23:42:53,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:53,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:53,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:53,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046817642] [2024-11-16 23:42:53,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046817642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:53,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:53,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:53,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233442356] [2024-11-16 23:42:53,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:53,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:53,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:53,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:53,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:53,614 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 435 [2024-11-16 23:42:53,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 386 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:42:53,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:53,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 435 [2024-11-16 23:42:53,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:53,664 INFO L124 PetriNetUnfolderBase]: 15/592 cut-off events. [2024-11-16 23:42:53,664 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-16 23:42:53,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 592 events. 15/592 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1687 event pairs, 3 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 614. Up to 16 conditions per place. [2024-11-16 23:42:53,668 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 9 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2024-11-16 23:42:53,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 385 transitions, 800 flow [2024-11-16 23:42:53,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-16 23:42:53,670 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379310344827586 [2024-11-16 23:42:53,670 INFO L175 Difference]: Start difference. First operand has 384 places, 386 transitions, 780 flow. Second operand 3 states and 1224 transitions. [2024-11-16 23:42:53,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 385 transitions, 800 flow [2024-11-16 23:42:53,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 385 transitions, 796 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:53,675 INFO L231 Difference]: Finished difference. Result has 383 places, 385 transitions, 778 flow [2024-11-16 23:42:53,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=383, PETRI_TRANSITIONS=385} [2024-11-16 23:42:53,677 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -13 predicate places. [2024-11-16 23:42:53,677 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 385 transitions, 778 flow [2024-11-16 23:42:53,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:42:53,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:53,679 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] [2024-11-16 23:42:53,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:42:53,679 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:53,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1444513831, now seen corresponding path program 1 times [2024-11-16 23:42:53,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:53,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621247220] [2024-11-16 23:42:53,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:53,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:53,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:53,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621247220] [2024-11-16 23:42:53,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621247220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:53,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:53,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:53,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190739925] [2024-11-16 23:42:53,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:53,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:53,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:53,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:53,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:53,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 435 [2024-11-16 23:42:53,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 385 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 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) [2024-11-16 23:42:53,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:53,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 435 [2024-11-16 23:42:53,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:53,804 INFO L124 PetriNetUnfolderBase]: 26/867 cut-off events. [2024-11-16 23:42:53,805 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:42:53,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 867 events. 26/867 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3709 event pairs, 5 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 898. Up to 22 conditions per place. [2024-11-16 23:42:53,808 INFO L140 encePairwiseOnDemand]: 431/435 looper letters, 10 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-16 23:42:53,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 386 transitions, 805 flow [2024-11-16 23:42:53,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:53,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2024-11-16 23:42:53,810 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9440613026819923 [2024-11-16 23:42:53,810 INFO L175 Difference]: Start difference. First operand has 383 places, 385 transitions, 778 flow. Second operand 3 states and 1232 transitions. [2024-11-16 23:42:53,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 386 transitions, 805 flow [2024-11-16 23:42:53,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 386 transitions, 801 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:53,815 INFO L231 Difference]: Finished difference. Result has 382 places, 385 transitions, 784 flow [2024-11-16 23:42:53,816 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=382, PETRI_TRANSITIONS=385} [2024-11-16 23:42:53,816 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -14 predicate places. [2024-11-16 23:42:53,816 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 385 transitions, 784 flow [2024-11-16 23:42:53,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 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) [2024-11-16 23:42:53,817 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:53,817 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] [2024-11-16 23:42:53,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:42:53,818 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:53,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:53,818 INFO L85 PathProgramCache]: Analyzing trace with hash -438950502, now seen corresponding path program 1 times [2024-11-16 23:42:53,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:53,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591507375] [2024-11-16 23:42:53,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:53,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:53,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:53,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591507375] [2024-11-16 23:42:53,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591507375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:53,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:53,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:53,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122561059] [2024-11-16 23:42:53,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:53,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:53,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:53,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:53,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:53,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 435 [2024-11-16 23:42:53,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 385 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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) [2024-11-16 23:42:53,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:53,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 435 [2024-11-16 23:42:53,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:53,925 INFO L124 PetriNetUnfolderBase]: 27/844 cut-off events. [2024-11-16 23:42:53,925 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-16 23:42:53,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 844 events. 27/844 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3912 event pairs, 3 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 880. Up to 22 conditions per place. [2024-11-16 23:42:53,931 INFO L140 encePairwiseOnDemand]: 431/435 looper letters, 10 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-16 23:42:53,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 386 transitions, 811 flow [2024-11-16 23:42:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2024-11-16 23:42:53,937 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9440613026819923 [2024-11-16 23:42:53,937 INFO L175 Difference]: Start difference. First operand has 382 places, 385 transitions, 784 flow. Second operand 3 states and 1232 transitions. [2024-11-16 23:42:53,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 386 transitions, 811 flow [2024-11-16 23:42:53,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 386 transitions, 811 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:53,942 INFO L231 Difference]: Finished difference. Result has 383 places, 385 transitions, 794 flow [2024-11-16 23:42:53,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=383, PETRI_TRANSITIONS=385} [2024-11-16 23:42:53,943 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -13 predicate places. [2024-11-16 23:42:53,943 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 385 transitions, 794 flow [2024-11-16 23:42:53,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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) [2024-11-16 23:42:53,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:53,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:53,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:42:53,945 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:53,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash -480186628, now seen corresponding path program 1 times [2024-11-16 23:42:53,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:53,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876315431] [2024-11-16 23:42:53,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:53,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:53,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876315431] [2024-11-16 23:42:53,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876315431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:53,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:53,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:53,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536991833] [2024-11-16 23:42:53,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:53,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:53,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:53,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:53,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:54,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-16 23:42:54,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 385 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 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) [2024-11-16 23:42:54,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:54,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-16 23:42:54,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:54,069 INFO L124 PetriNetUnfolderBase]: 25/656 cut-off events. [2024-11-16 23:42:54,069 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:42:54,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 656 events. 25/656 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2521 event pairs, 6 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 719. Up to 33 conditions per place. [2024-11-16 23:42:54,074 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 14 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2024-11-16 23:42:54,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 385 transitions, 827 flow [2024-11-16 23:42:54,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:54,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-16 23:42:54,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348659003831418 [2024-11-16 23:42:54,089 INFO L175 Difference]: Start difference. First operand has 383 places, 385 transitions, 794 flow. Second operand 3 states and 1220 transitions. [2024-11-16 23:42:54,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 385 transitions, 827 flow [2024-11-16 23:42:54,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 385 transitions, 827 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:54,093 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 796 flow [2024-11-16 23:42:54,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2024-11-16 23:42:54,094 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -12 predicate places. [2024-11-16 23:42:54,094 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 796 flow [2024-11-16 23:42:54,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 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) [2024-11-16 23:42:54,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:54,099 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] [2024-11-16 23:42:54,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:42:54,099 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:54,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:54,100 INFO L85 PathProgramCache]: Analyzing trace with hash -383694525, now seen corresponding path program 1 times [2024-11-16 23:42:54,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:54,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072747261] [2024-11-16 23:42:54,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:54,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:54,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:54,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072747261] [2024-11-16 23:42:54,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072747261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:54,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:54,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:54,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450678220] [2024-11-16 23:42:54,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:54,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:54,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:54,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:54,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:54,138 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 435 [2024-11-16 23:42:54,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 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) [2024-11-16 23:42:54,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:54,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 435 [2024-11-16 23:42:54,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:54,224 INFO L124 PetriNetUnfolderBase]: 43/1106 cut-off events. [2024-11-16 23:42:54,225 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-16 23:42:54,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 1106 events. 43/1106 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5220 event pairs, 2 based on Foata normal form. 0/963 useless extension candidates. Maximal degree in co-relation 1173. Up to 41 conditions per place. [2024-11-16 23:42:54,231 INFO L140 encePairwiseOnDemand]: 431/435 looper letters, 12 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2024-11-16 23:42:54,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 387 transitions, 833 flow [2024-11-16 23:42:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-11-16 23:42:54,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9455938697318008 [2024-11-16 23:42:54,235 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 796 flow. Second operand 3 states and 1234 transitions. [2024-11-16 23:42:54,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 387 transitions, 833 flow [2024-11-16 23:42:54,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 387 transitions, 829 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:54,239 INFO L231 Difference]: Finished difference. Result has 383 places, 384 transitions, 802 flow [2024-11-16 23:42:54,239 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=383, PETRI_TRANSITIONS=384} [2024-11-16 23:42:54,240 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -13 predicate places. [2024-11-16 23:42:54,240 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 384 transitions, 802 flow [2024-11-16 23:42:54,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 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) [2024-11-16 23:42:54,241 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:54,241 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] [2024-11-16 23:42:54,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:42:54,241 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:54,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:54,242 INFO L85 PathProgramCache]: Analyzing trace with hash 63939716, now seen corresponding path program 1 times [2024-11-16 23:42:54,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:54,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553384084] [2024-11-16 23:42:54,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:54,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:54,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:54,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553384084] [2024-11-16 23:42:54,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553384084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:54,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:54,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:54,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588428903] [2024-11-16 23:42:54,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:54,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:54,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:54,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:54,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:54,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-16 23:42:54,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 384 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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) [2024-11-16 23:42:54,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:54,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-16 23:42:54,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:54,399 INFO L124 PetriNetUnfolderBase]: 48/917 cut-off events. [2024-11-16 23:42:54,399 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-16 23:42:54,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 917 events. 48/917 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4004 event pairs, 10 based on Foata normal form. 0/795 useless extension candidates. Maximal degree in co-relation 1022. Up to 61 conditions per place. [2024-11-16 23:42:54,405 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 14 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-16 23:42:54,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 384 transitions, 835 flow [2024-11-16 23:42:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:54,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-16 23:42:54,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348659003831418 [2024-11-16 23:42:54,408 INFO L175 Difference]: Start difference. First operand has 383 places, 384 transitions, 802 flow. Second operand 3 states and 1220 transitions. [2024-11-16 23:42:54,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 384 transitions, 835 flow [2024-11-16 23:42:54,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 384 transitions, 835 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:54,414 INFO L231 Difference]: Finished difference. Result has 384 places, 383 transitions, 804 flow [2024-11-16 23:42:54,414 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=384, PETRI_TRANSITIONS=383} [2024-11-16 23:42:54,415 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -12 predicate places. [2024-11-16 23:42:54,415 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 383 transitions, 804 flow [2024-11-16 23:42:54,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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) [2024-11-16 23:42:54,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:54,417 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] [2024-11-16 23:42:54,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:42:54,418 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:54,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:54,418 INFO L85 PathProgramCache]: Analyzing trace with hash 990340713, now seen corresponding path program 1 times [2024-11-16 23:42:54,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:54,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032657650] [2024-11-16 23:42:54,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:54,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:54,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:54,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032657650] [2024-11-16 23:42:54,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032657650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:54,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:54,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709044513] [2024-11-16 23:42:54,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:54,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:54,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:54,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:54,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:54,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-16 23:42:54,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 383 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 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) [2024-11-16 23:42:54,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:54,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-16 23:42:54,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:54,594 INFO L124 PetriNetUnfolderBase]: 45/1043 cut-off events. [2024-11-16 23:42:54,595 INFO L125 PetriNetUnfolderBase]: For 6/18 co-relation queries the response was YES. [2024-11-16 23:42:54,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 1043 events. 45/1043 cut-off events. For 6/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4389 event pairs, 5 based on Foata normal form. 2/931 useless extension candidates. Maximal degree in co-relation 1162. Up to 36 conditions per place. [2024-11-16 23:42:54,603 INFO L140 encePairwiseOnDemand]: 425/435 looper letters, 16 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-11-16 23:42:54,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 382 transitions, 845 flow [2024-11-16 23:42:54,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:54,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1211 transitions. [2024-11-16 23:42:54,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279693486590038 [2024-11-16 23:42:54,606 INFO L175 Difference]: Start difference. First operand has 384 places, 383 transitions, 804 flow. Second operand 3 states and 1211 transitions. [2024-11-16 23:42:54,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 382 transitions, 845 flow [2024-11-16 23:42:54,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 382 transitions, 841 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:54,610 INFO L231 Difference]: Finished difference. Result has 381 places, 381 transitions, 822 flow [2024-11-16 23:42:54,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=381, PETRI_TRANSITIONS=381} [2024-11-16 23:42:54,612 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -15 predicate places. [2024-11-16 23:42:54,612 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 381 transitions, 822 flow [2024-11-16 23:42:54,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 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) [2024-11-16 23:42:54,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:54,613 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] [2024-11-16 23:42:54,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:42:54,613 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:54,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:54,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1140310919, now seen corresponding path program 1 times [2024-11-16 23:42:54,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443942148] [2024-11-16 23:42:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:54,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:54,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:54,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443942148] [2024-11-16 23:42:54,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443942148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:54,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:54,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:42:54,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570367755] [2024-11-16 23:42:54,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:54,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:42:54,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:42:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:42:54,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 435 [2024-11-16 23:42:54,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 381 transitions, 822 flow. Second operand has 4 states, 4 states have (on average 406.25) internal successors, (1625), 4 states have internal predecessors, (1625), 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) [2024-11-16 23:42:54,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:54,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 435 [2024-11-16 23:42:54,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:54,847 INFO L124 PetriNetUnfolderBase]: 46/1189 cut-off events. [2024-11-16 23:42:54,847 INFO L125 PetriNetUnfolderBase]: For 32/54 co-relation queries the response was YES. [2024-11-16 23:42:54,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 1189 events. 46/1189 cut-off events. For 32/54 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5512 event pairs, 7 based on Foata normal form. 3/1065 useless extension candidates. Maximal degree in co-relation 1357. Up to 34 conditions per place. [2024-11-16 23:42:54,858 INFO L140 encePairwiseOnDemand]: 430/435 looper letters, 20 selfloop transitions, 4 changer transitions 0/392 dead transitions. [2024-11-16 23:42:54,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 392 transitions, 897 flow [2024-11-16 23:42:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:42:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:42:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2050 transitions. [2024-11-16 23:42:54,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-16 23:42:54,863 INFO L175 Difference]: Start difference. First operand has 381 places, 381 transitions, 822 flow. Second operand 5 states and 2050 transitions. [2024-11-16 23:42:54,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 392 transitions, 897 flow [2024-11-16 23:42:54,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 392 transitions, 887 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:54,869 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 837 flow [2024-11-16 23:42:54,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=837, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-16 23:42:54,870 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -10 predicate places. [2024-11-16 23:42:54,870 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 837 flow [2024-11-16 23:42:54,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 406.25) internal successors, (1625), 4 states have internal predecessors, (1625), 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) [2024-11-16 23:42:54,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:54,872 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] [2024-11-16 23:42:54,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:42:54,872 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:54,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -2066487733, now seen corresponding path program 1 times [2024-11-16 23:42:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:54,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781690523] [2024-11-16 23:42:54,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:54,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:54,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:54,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781690523] [2024-11-16 23:42:54,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781690523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:54,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:54,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:54,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883205468] [2024-11-16 23:42:54,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:54,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:54,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:54,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:54,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:54,933 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-16 23:42:54,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 837 flow. Second operand has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 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) [2024-11-16 23:42:54,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:54,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-16 23:42:54,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:55,041 INFO L124 PetriNetUnfolderBase]: 57/1135 cut-off events. [2024-11-16 23:42:55,041 INFO L125 PetriNetUnfolderBase]: For 36/69 co-relation queries the response was YES. [2024-11-16 23:42:55,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1135 events. 57/1135 cut-off events. For 36/69 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5130 event pairs, 14 based on Foata normal form. 2/1029 useless extension candidates. Maximal degree in co-relation 1353. Up to 79 conditions per place. [2024-11-16 23:42:55,050 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 16 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-16 23:42:55,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 383 transitions, 874 flow [2024-11-16 23:42:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-16 23:42:55,052 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348659003831418 [2024-11-16 23:42:55,052 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 837 flow. Second operand 3 states and 1220 transitions. [2024-11-16 23:42:55,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 383 transitions, 874 flow [2024-11-16 23:42:55,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 383 transitions, 874 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:55,058 INFO L231 Difference]: Finished difference. Result has 387 places, 382 transitions, 839 flow [2024-11-16 23:42:55,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=839, PETRI_PLACES=387, PETRI_TRANSITIONS=382} [2024-11-16 23:42:55,059 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -9 predicate places. [2024-11-16 23:42:55,059 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 382 transitions, 839 flow [2024-11-16 23:42:55,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 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) [2024-11-16 23:42:55,060 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:55,060 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] [2024-11-16 23:42:55,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:42:55,060 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:55,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:55,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1474605035, now seen corresponding path program 1 times [2024-11-16 23:42:55,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:55,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99811518] [2024-11-16 23:42:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:55,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:42:55,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:55,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99811518] [2024-11-16 23:42:55,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99811518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:55,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:55,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:42:55,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349087840] [2024-11-16 23:42:55,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:55,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:42:55,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:55,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:42:55,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:42:55,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-16 23:42:55,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 382 transitions, 839 flow. Second operand has 5 states, 5 states have (on average 398.4) internal successors, (1992), 5 states have internal predecessors, (1992), 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) [2024-11-16 23:42:55,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:55,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-16 23:42:55,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:55,354 INFO L124 PetriNetUnfolderBase]: 28/1078 cut-off events. [2024-11-16 23:42:55,355 INFO L125 PetriNetUnfolderBase]: For 21/29 co-relation queries the response was YES. [2024-11-16 23:42:55,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 1078 events. 28/1078 cut-off events. For 21/29 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4333 event pairs, 1 based on Foata normal form. 2/980 useless extension candidates. Maximal degree in co-relation 1202. Up to 17 conditions per place. [2024-11-16 23:42:55,363 INFO L140 encePairwiseOnDemand]: 421/435 looper letters, 12 selfloop transitions, 12 changer transitions 0/384 dead transitions. [2024-11-16 23:42:55,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 384 transitions, 891 flow [2024-11-16 23:42:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:42:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:42:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2001 transitions. [2024-11-16 23:42:55,367 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.92 [2024-11-16 23:42:55,367 INFO L175 Difference]: Start difference. First operand has 387 places, 382 transitions, 839 flow. Second operand 5 states and 2001 transitions. [2024-11-16 23:42:55,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 384 transitions, 891 flow [2024-11-16 23:42:55,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 384 transitions, 887 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:55,372 INFO L231 Difference]: Finished difference. Result has 390 places, 384 transitions, 875 flow [2024-11-16 23:42:55,373 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=875, PETRI_PLACES=390, PETRI_TRANSITIONS=384} [2024-11-16 23:42:55,373 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -6 predicate places. [2024-11-16 23:42:55,374 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 384 transitions, 875 flow [2024-11-16 23:42:55,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 398.4) internal successors, (1992), 5 states have internal predecessors, (1992), 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) [2024-11-16 23:42:55,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:55,375 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:42:55,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:42:55,376 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:55,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:55,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2039218144, now seen corresponding path program 1 times [2024-11-16 23:42:55,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:55,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726306253] [2024-11-16 23:42:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:42:55,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:55,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726306253] [2024-11-16 23:42:55,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726306253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:42:55,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968667350] [2024-11-16 23:42:55,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:55,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:42:55,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:42:55,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:42:55,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:42:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:55,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 23:42:55,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:42:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:42:55,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:42:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:42:55,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968667350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:42:55,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:42:55,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-16 23:42:55,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26482592] [2024-11-16 23:42:55,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:42:55,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 23:42:55,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:55,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 23:42:55,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-16 23:42:56,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 435 [2024-11-16 23:42:56,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 384 transitions, 875 flow. Second operand has 15 states, 15 states have (on average 391.6666666666667) internal successors, (5875), 15 states have internal predecessors, (5875), 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) [2024-11-16 23:42:56,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:56,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 435 [2024-11-16 23:42:56,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:56,449 INFO L124 PetriNetUnfolderBase]: 28/1116 cut-off events. [2024-11-16 23:42:56,449 INFO L125 PetriNetUnfolderBase]: For 31/39 co-relation queries the response was YES. [2024-11-16 23:42:56,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 1116 events. 28/1116 cut-off events. For 31/39 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4283 event pairs, 1 based on Foata normal form. 4/1020 useless extension candidates. Maximal degree in co-relation 1270. Up to 17 conditions per place. [2024-11-16 23:42:56,458 INFO L140 encePairwiseOnDemand]: 415/435 looper letters, 20 selfloop transitions, 26 changer transitions 0/400 dead transitions. [2024-11-16 23:42:56,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 400 transitions, 1003 flow [2024-11-16 23:42:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:42:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:42:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4329 transitions. [2024-11-16 23:42:56,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9047021943573668 [2024-11-16 23:42:56,464 INFO L175 Difference]: Start difference. First operand has 390 places, 384 transitions, 875 flow. Second operand 11 states and 4329 transitions. [2024-11-16 23:42:56,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 400 transitions, 1003 flow [2024-11-16 23:42:56,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 400 transitions, 983 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:42:56,470 INFO L231 Difference]: Finished difference. Result has 400 places, 396 transitions, 975 flow [2024-11-16 23:42:56,470 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=975, PETRI_PLACES=400, PETRI_TRANSITIONS=396} [2024-11-16 23:42:56,471 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 4 predicate places. [2024-11-16 23:42:56,472 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 396 transitions, 975 flow [2024-11-16 23:42:56,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 391.6666666666667) internal successors, (5875), 15 states have internal predecessors, (5875), 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) [2024-11-16 23:42:56,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:56,476 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-16 23:42:56,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 23:42:56,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-16 23:42:56,678 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:56,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:56,678 INFO L85 PathProgramCache]: Analyzing trace with hash -821411190, now seen corresponding path program 2 times [2024-11-16 23:42:56,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:56,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696776658] [2024-11-16 23:42:56,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:56,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-16 23:42:56,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:56,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696776658] [2024-11-16 23:42:56,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696776658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:42:56,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067630543] [2024-11-16 23:42:56,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:42:56,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:42:56,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:42:56,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:42:56,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:42:57,046 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:42:57,046 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:42:57,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 23:42:57,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:42:57,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-16 23:42:57,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-16 23:42:57,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:42:57,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-16 23:42:57,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:42:57,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-16 23:42:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-16 23:42:57,174 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:42:57,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067630543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:57,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:42:57,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-16 23:42:57,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907375137] [2024-11-16 23:42:57,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:57,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:42:57,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:57,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:42:57,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-16 23:42:57,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-16 23:42:57,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 396 transitions, 975 flow. Second operand has 6 states, 6 states have (on average 397.8333333333333) internal successors, (2387), 6 states have internal predecessors, (2387), 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) [2024-11-16 23:42:57,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:57,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-16 23:42:57,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:57,554 INFO L124 PetriNetUnfolderBase]: 43/1239 cut-off events. [2024-11-16 23:42:57,555 INFO L125 PetriNetUnfolderBase]: For 46/67 co-relation queries the response was YES. [2024-11-16 23:42:57,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1239 events. 43/1239 cut-off events. For 46/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5343 event pairs, 3 based on Foata normal form. 4/1135 useless extension candidates. Maximal degree in co-relation 1491. Up to 52 conditions per place. [2024-11-16 23:42:57,563 INFO L140 encePairwiseOnDemand]: 429/435 looper letters, 20 selfloop transitions, 6 changer transitions 0/399 dead transitions. [2024-11-16 23:42:57,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 399 transitions, 1037 flow [2024-11-16 23:42:57,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:42:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:42:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2396 transitions. [2024-11-16 23:42:57,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.918007662835249 [2024-11-16 23:42:57,567 INFO L175 Difference]: Start difference. First operand has 400 places, 396 transitions, 975 flow. Second operand 6 states and 2396 transitions. [2024-11-16 23:42:57,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 399 transitions, 1037 flow [2024-11-16 23:42:57,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 399 transitions, 1013 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-16 23:42:57,572 INFO L231 Difference]: Finished difference. Result has 401 places, 395 transitions, 961 flow [2024-11-16 23:42:57,573 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=949, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=961, PETRI_PLACES=401, PETRI_TRANSITIONS=395} [2024-11-16 23:42:57,573 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 5 predicate places. [2024-11-16 23:42:57,573 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 395 transitions, 961 flow [2024-11-16 23:42:57,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 397.8333333333333) internal successors, (2387), 6 states have internal predecessors, (2387), 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) [2024-11-16 23:42:57,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:57,574 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-16 23:42:57,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 23:42:57,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-16 23:42:57,779 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:57,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:57,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1852892470, now seen corresponding path program 1 times [2024-11-16 23:42:57,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:57,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447675840] [2024-11-16 23:42:57,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-16 23:42:57,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:57,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447675840] [2024-11-16 23:42:57,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447675840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:57,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:57,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:57,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041155768] [2024-11-16 23:42:57,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:57,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:57,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:57,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:57,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:57,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 435 [2024-11-16 23:42:57,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 395 transitions, 961 flow. Second operand has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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) [2024-11-16 23:42:57,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:57,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 435 [2024-11-16 23:42:57,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:58,021 INFO L124 PetriNetUnfolderBase]: 62/1671 cut-off events. [2024-11-16 23:42:58,021 INFO L125 PetriNetUnfolderBase]: For 51/58 co-relation queries the response was YES. [2024-11-16 23:42:58,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1984 conditions, 1671 events. 62/1671 cut-off events. For 51/58 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 9084 event pairs, 7 based on Foata normal form. 0/1535 useless extension candidates. Maximal degree in co-relation 1969. Up to 76 conditions per place. [2024-11-16 23:42:58,029 INFO L140 encePairwiseOnDemand]: 431/435 looper letters, 12 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2024-11-16 23:42:58,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 398 transitions, 998 flow [2024-11-16 23:42:58,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-11-16 23:42:58,032 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9455938697318008 [2024-11-16 23:42:58,032 INFO L175 Difference]: Start difference. First operand has 401 places, 395 transitions, 961 flow. Second operand 3 states and 1234 transitions. [2024-11-16 23:42:58,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 398 transitions, 998 flow [2024-11-16 23:42:58,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 398 transitions, 986 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:42:58,037 INFO L231 Difference]: Finished difference. Result has 397 places, 395 transitions, 959 flow [2024-11-16 23:42:58,037 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=959, PETRI_PLACES=397, PETRI_TRANSITIONS=395} [2024-11-16 23:42:58,037 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 1 predicate places. [2024-11-16 23:42:58,037 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 395 transitions, 959 flow [2024-11-16 23:42:58,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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) [2024-11-16 23:42:58,038 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:58,038 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-16 23:42:58,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:42:58,038 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:58,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:58,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1605122517, now seen corresponding path program 1 times [2024-11-16 23:42:58,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:58,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054112118] [2024-11-16 23:42:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:58,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-16 23:42:58,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:58,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054112118] [2024-11-16 23:42:58,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054112118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:58,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:58,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:42:58,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481744764] [2024-11-16 23:42:58,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:58,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:42:58,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:58,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:42:58,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:42:58,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-16 23:42:58,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 395 transitions, 959 flow. Second operand has 3 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 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) [2024-11-16 23:42:58,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:58,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-16 23:42:58,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:58,352 INFO L124 PetriNetUnfolderBase]: 84/1939 cut-off events. [2024-11-16 23:42:58,352 INFO L125 PetriNetUnfolderBase]: For 62/65 co-relation queries the response was YES. [2024-11-16 23:42:58,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2290 conditions, 1939 events. 84/1939 cut-off events. For 62/65 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 10832 event pairs, 15 based on Foata normal form. 4/1788 useless extension candidates. Maximal degree in co-relation 2275. Up to 84 conditions per place. [2024-11-16 23:42:58,361 INFO L140 encePairwiseOnDemand]: 423/435 looper letters, 10 selfloop transitions, 4 changer transitions 38/396 dead transitions. [2024-11-16 23:42:58,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 396 transitions, 1006 flow [2024-11-16 23:42:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:42:58,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:42:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2024-11-16 23:42:58,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9287356321839081 [2024-11-16 23:42:58,363 INFO L175 Difference]: Start difference. First operand has 397 places, 395 transitions, 959 flow. Second operand 3 states and 1212 transitions. [2024-11-16 23:42:58,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 396 transitions, 1006 flow [2024-11-16 23:42:58,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 396 transitions, 1006 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:42:58,368 INFO L231 Difference]: Finished difference. Result has 396 places, 357 transitions, 902 flow [2024-11-16 23:42:58,369 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=949, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=396, PETRI_TRANSITIONS=357} [2024-11-16 23:42:58,369 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 0 predicate places. [2024-11-16 23:42:58,369 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 357 transitions, 902 flow [2024-11-16 23:42:58,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 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) [2024-11-16 23:42:58,370 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:58,370 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-16 23:42:58,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:42:58,371 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:58,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:58,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1991560142, now seen corresponding path program 1 times [2024-11-16 23:42:58,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:58,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986637442] [2024-11-16 23:42:58,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-16 23:42:58,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:58,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986637442] [2024-11-16 23:42:58,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986637442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:42:58,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:42:58,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:42:58,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105333510] [2024-11-16 23:42:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:42:58,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:42:58,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:58,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:42:58,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:42:58,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 435 [2024-11-16 23:42:58,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 357 transitions, 902 flow. Second operand has 4 states, 4 states have (on average 406.5) internal successors, (1626), 4 states have internal predecessors, (1626), 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) [2024-11-16 23:42:58,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:58,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 435 [2024-11-16 23:42:58,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:42:58,716 INFO L124 PetriNetUnfolderBase]: 64/1721 cut-off events. [2024-11-16 23:42:58,716 INFO L125 PetriNetUnfolderBase]: For 103/106 co-relation queries the response was YES. [2024-11-16 23:42:58,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2143 conditions, 1721 events. 64/1721 cut-off events. For 103/106 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10096 event pairs, 25 based on Foata normal form. 0/1579 useless extension candidates. Maximal degree in co-relation 2126. Up to 76 conditions per place. [2024-11-16 23:42:58,725 INFO L140 encePairwiseOnDemand]: 430/435 looper letters, 15 selfloop transitions, 4 changer transitions 0/364 dead transitions. [2024-11-16 23:42:58,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 364 transitions, 955 flow [2024-11-16 23:42:58,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:42:58,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:42:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2045 transitions. [2024-11-16 23:42:58,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9402298850574713 [2024-11-16 23:42:58,732 INFO L175 Difference]: Start difference. First operand has 396 places, 357 transitions, 902 flow. Second operand 5 states and 2045 transitions. [2024-11-16 23:42:58,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 364 transitions, 955 flow [2024-11-16 23:42:58,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 364 transitions, 947 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:42:58,737 INFO L231 Difference]: Finished difference. Result has 367 places, 359 transitions, 919 flow [2024-11-16 23:42:58,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=919, PETRI_PLACES=367, PETRI_TRANSITIONS=359} [2024-11-16 23:42:58,738 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -29 predicate places. [2024-11-16 23:42:58,738 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 359 transitions, 919 flow [2024-11-16 23:42:58,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 406.5) internal successors, (1626), 4 states have internal predecessors, (1626), 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) [2024-11-16 23:42:58,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:42:58,739 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-16 23:42:58,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:42:58,739 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:42:58,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:42:58,740 INFO L85 PathProgramCache]: Analyzing trace with hash -813641838, now seen corresponding path program 1 times [2024-11-16 23:42:58,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:42:58,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948022198] [2024-11-16 23:42:58,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:58,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:42:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-16 23:42:58,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:42:58,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948022198] [2024-11-16 23:42:58,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948022198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:42:58,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900401762] [2024-11-16 23:42:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:42:58,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:42:58,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:42:58,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:42:58,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:42:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:42:59,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-16 23:42:59,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:42:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-16 23:42:59,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:42:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-16 23:42:59,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900401762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:42:59,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:42:59,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-16 23:42:59,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050589963] [2024-11-16 23:42:59,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:42:59,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-16 23:42:59,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:42:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-16 23:42:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-16 23:42:59,883 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 435 [2024-11-16 23:42:59,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 359 transitions, 919 flow. Second operand has 22 states, 22 states have (on average 391.59090909090907) internal successors, (8615), 22 states have internal predecessors, (8615), 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) [2024-11-16 23:42:59,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:42:59,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 435 [2024-11-16 23:42:59,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:00,274 INFO L124 PetriNetUnfolderBase]: 21/1472 cut-off events. [2024-11-16 23:43:00,274 INFO L125 PetriNetUnfolderBase]: For 104/107 co-relation queries the response was YES. [2024-11-16 23:43:00,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 1472 events. 21/1472 cut-off events. For 104/107 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5845 event pairs, 5 based on Foata normal form. 4/1391 useless extension candidates. Maximal degree in co-relation 1812. Up to 19 conditions per place. [2024-11-16 23:43:00,287 INFO L140 encePairwiseOnDemand]: 415/435 looper letters, 23 selfloop transitions, 38 changer transitions 0/379 dead transitions. [2024-11-16 23:43:00,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 379 transitions, 1137 flow [2024-11-16 23:43:00,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 23:43:00,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-16 23:43:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6678 transitions. [2024-11-16 23:43:00,296 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9030425963488844 [2024-11-16 23:43:00,296 INFO L175 Difference]: Start difference. First operand has 367 places, 359 transitions, 919 flow. Second operand 17 states and 6678 transitions. [2024-11-16 23:43:00,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 379 transitions, 1137 flow [2024-11-16 23:43:00,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 379 transitions, 1137 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:00,301 INFO L231 Difference]: Finished difference. Result has 386 places, 373 transitions, 1103 flow [2024-11-16 23:43:00,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1103, PETRI_PLACES=386, PETRI_TRANSITIONS=373} [2024-11-16 23:43:00,302 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -10 predicate places. [2024-11-16 23:43:00,302 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 373 transitions, 1103 flow [2024-11-16 23:43:00,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 391.59090909090907) internal successors, (8615), 22 states have internal predecessors, (8615), 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) [2024-11-16 23:43:00,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:00,304 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-16 23:43:00,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 23:43:00,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:43:00,505 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:43:00,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:00,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1270601508, now seen corresponding path program 1 times [2024-11-16 23:43:00,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:00,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199452262] [2024-11-16 23:43:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:00,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-16 23:43:00,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:00,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199452262] [2024-11-16 23:43:00,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199452262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:00,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:00,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:00,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577008877] [2024-11-16 23:43:00,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:00,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:00,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:00,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:00,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:00,617 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-16 23:43:00,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 373 transitions, 1103 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:00,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:00,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-16 23:43:00,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:00,848 INFO L124 PetriNetUnfolderBase]: 85/1818 cut-off events. [2024-11-16 23:43:00,848 INFO L125 PetriNetUnfolderBase]: For 202/205 co-relation queries the response was YES. [2024-11-16 23:43:00,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2434 conditions, 1818 events. 85/1818 cut-off events. For 202/205 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 11219 event pairs, 46 based on Foata normal form. 0/1691 useless extension candidates. Maximal degree in co-relation 2411. Up to 135 conditions per place. [2024-11-16 23:43:00,860 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 11 selfloop transitions, 2 changer transitions 1/373 dead transitions. [2024-11-16 23:43:00,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 373 transitions, 1132 flow [2024-11-16 23:43:00,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:00,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:00,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-16 23:43:00,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318007662835249 [2024-11-16 23:43:00,863 INFO L175 Difference]: Start difference. First operand has 386 places, 373 transitions, 1103 flow. Second operand 3 states and 1216 transitions. [2024-11-16 23:43:00,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 373 transitions, 1132 flow [2024-11-16 23:43:00,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 373 transitions, 1080 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-16 23:43:00,870 INFO L231 Difference]: Finished difference. Result has 379 places, 372 transitions, 1053 flow [2024-11-16 23:43:00,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=379, PETRI_TRANSITIONS=372} [2024-11-16 23:43:00,870 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -17 predicate places. [2024-11-16 23:43:00,870 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 372 transitions, 1053 flow [2024-11-16 23:43:00,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:00,871 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:00,871 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-16 23:43:00,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 23:43:00,871 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:43:00,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:00,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2024476036, now seen corresponding path program 2 times [2024-11-16 23:43:00,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:00,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875921931] [2024-11-16 23:43:00,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:00,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-16 23:43:01,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:01,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875921931] [2024-11-16 23:43:01,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875921931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:01,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:01,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:01,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684120637] [2024-11-16 23:43:01,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:01,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:01,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:01,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:01,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:01,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-16 23:43:01,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 372 transitions, 1053 flow. Second operand has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 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) [2024-11-16 23:43:01,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:01,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-16 23:43:01,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:01,955 INFO L124 PetriNetUnfolderBase]: 64/1941 cut-off events. [2024-11-16 23:43:01,955 INFO L125 PetriNetUnfolderBase]: For 183/186 co-relation queries the response was YES. [2024-11-16 23:43:01,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2547 conditions, 1941 events. 64/1941 cut-off events. For 183/186 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10078 event pairs, 13 based on Foata normal form. 0/1837 useless extension candidates. Maximal degree in co-relation 2524. Up to 80 conditions per place. [2024-11-16 23:43:01,968 INFO L140 encePairwiseOnDemand]: 429/435 looper letters, 19 selfloop transitions, 6 changer transitions 0/375 dead transitions. [2024-11-16 23:43:01,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 375 transitions, 1113 flow [2024-11-16 23:43:01,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:01,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2395 transitions. [2024-11-16 23:43:01,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176245210727969 [2024-11-16 23:43:01,972 INFO L175 Difference]: Start difference. First operand has 379 places, 372 transitions, 1053 flow. Second operand 6 states and 2395 transitions. [2024-11-16 23:43:01,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 375 transitions, 1113 flow [2024-11-16 23:43:01,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 375 transitions, 1109 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:01,978 INFO L231 Difference]: Finished difference. Result has 381 places, 371 transitions, 1059 flow [2024-11-16 23:43:01,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1059, PETRI_PLACES=381, PETRI_TRANSITIONS=371} [2024-11-16 23:43:01,979 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -15 predicate places. [2024-11-16 23:43:01,979 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 371 transitions, 1059 flow [2024-11-16 23:43:01,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 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) [2024-11-16 23:43:01,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:01,980 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-16 23:43:01,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 23:43:01,980 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:43:01,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:01,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1157995385, now seen corresponding path program 1 times [2024-11-16 23:43:01,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:01,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793464245] [2024-11-16 23:43:01,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-16 23:43:02,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:02,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793464245] [2024-11-16 23:43:02,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793464245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:02,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:02,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:02,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118756486] [2024-11-16 23:43:02,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:02,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:02,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:02,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:02,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:02,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-16 23:43:02,646 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 371 transitions, 1059 flow. Second operand has 6 states, 6 states have (on average 397.8333333333333) internal successors, (2387), 6 states have internal predecessors, (2387), 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) [2024-11-16 23:43:02,646 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:02,646 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-16 23:43:02,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:02,841 INFO L124 PetriNetUnfolderBase]: 36/1556 cut-off events. [2024-11-16 23:43:02,841 INFO L125 PetriNetUnfolderBase]: For 123/126 co-relation queries the response was YES. [2024-11-16 23:43:02,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2063 conditions, 1556 events. 36/1556 cut-off events. For 123/126 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6526 event pairs, 7 based on Foata normal form. 0/1485 useless extension candidates. Maximal degree in co-relation 2040. Up to 70 conditions per place. [2024-11-16 23:43:02,852 INFO L140 encePairwiseOnDemand]: 429/435 looper letters, 19 selfloop transitions, 6 changer transitions 0/374 dead transitions. [2024-11-16 23:43:02,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 374 transitions, 1119 flow [2024-11-16 23:43:02,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2395 transitions. [2024-11-16 23:43:02,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176245210727969 [2024-11-16 23:43:02,854 INFO L175 Difference]: Start difference. First operand has 381 places, 371 transitions, 1059 flow. Second operand 6 states and 2395 transitions. [2024-11-16 23:43:02,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 374 transitions, 1119 flow [2024-11-16 23:43:02,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 374 transitions, 1107 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:02,859 INFO L231 Difference]: Finished difference. Result has 380 places, 370 transitions, 1057 flow [2024-11-16 23:43:02,860 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1057, PETRI_PLACES=380, PETRI_TRANSITIONS=370} [2024-11-16 23:43:02,860 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -16 predicate places. [2024-11-16 23:43:02,860 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 370 transitions, 1057 flow [2024-11-16 23:43:02,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 397.8333333333333) internal successors, (2387), 6 states have internal predecessors, (2387), 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) [2024-11-16 23:43:02,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:02,861 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1] [2024-11-16 23:43:02,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 23:43:02,861 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:43:02,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:02,861 INFO L85 PathProgramCache]: Analyzing trace with hash -142955135, now seen corresponding path program 1 times [2024-11-16 23:43:02,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:02,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547174936] [2024-11-16 23:43:02,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:02,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-16 23:43:03,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:03,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547174936] [2024-11-16 23:43:03,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547174936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:03,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:03,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:03,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525353103] [2024-11-16 23:43:03,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:03,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:03,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:03,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:03,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:03,583 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 435 [2024-11-16 23:43:03,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 370 transitions, 1057 flow. Second operand has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 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) [2024-11-16 23:43:03,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:03,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 435 [2024-11-16 23:43:03,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:03,844 INFO L124 PetriNetUnfolderBase]: 64/1887 cut-off events. [2024-11-16 23:43:03,844 INFO L125 PetriNetUnfolderBase]: For 176/179 co-relation queries the response was YES. [2024-11-16 23:43:03,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2506 conditions, 1887 events. 64/1887 cut-off events. For 176/179 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9951 event pairs, 13 based on Foata normal form. 0/1806 useless extension candidates. Maximal degree in co-relation 2483. Up to 80 conditions per place. [2024-11-16 23:43:03,853 INFO L140 encePairwiseOnDemand]: 429/435 looper letters, 19 selfloop transitions, 6 changer transitions 0/373 dead transitions. [2024-11-16 23:43:03,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 373 transitions, 1117 flow [2024-11-16 23:43:03,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2395 transitions. [2024-11-16 23:43:03,856 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176245210727969 [2024-11-16 23:43:03,856 INFO L175 Difference]: Start difference. First operand has 380 places, 370 transitions, 1057 flow. Second operand 6 states and 2395 transitions. [2024-11-16 23:43:03,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 373 transitions, 1117 flow [2024-11-16 23:43:03,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 373 transitions, 1105 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:03,861 INFO L231 Difference]: Finished difference. Result has 379 places, 369 transitions, 1055 flow [2024-11-16 23:43:03,862 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1055, PETRI_PLACES=379, PETRI_TRANSITIONS=369} [2024-11-16 23:43:03,862 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -17 predicate places. [2024-11-16 23:43:03,862 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 369 transitions, 1055 flow [2024-11-16 23:43:03,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 398.0) internal successors, (2388), 6 states have internal predecessors, (2388), 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) [2024-11-16 23:43:03,863 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:03,863 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:03,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 23:43:03,863 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:43:03,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:03,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1649182600, now seen corresponding path program 1 times [2024-11-16 23:43:03,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:03,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373221104] [2024-11-16 23:43:03,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:03,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-16 23:43:03,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:03,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373221104] [2024-11-16 23:43:03,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373221104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:03,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:03,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:03,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488777534] [2024-11-16 23:43:03,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:03,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:03,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:03,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:03,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:03,964 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-16 23:43:03,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 369 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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) [2024-11-16 23:43:03,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:03,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-16 23:43:03,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:04,152 INFO L124 PetriNetUnfolderBase]: 42/1559 cut-off events. [2024-11-16 23:43:04,152 INFO L125 PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES. [2024-11-16 23:43:04,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2066 conditions, 1559 events. 42/1559 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6656 event pairs, 17 based on Foata normal form. 0/1508 useless extension candidates. Maximal degree in co-relation 2043. Up to 79 conditions per place. [2024-11-16 23:43:04,164 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 11 selfloop transitions, 3 changer transitions 0/369 dead transitions. [2024-11-16 23:43:04,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 369 transitions, 1084 flow [2024-11-16 23:43:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:04,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:04,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-16 23:43:04,166 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318007662835249 [2024-11-16 23:43:04,166 INFO L175 Difference]: Start difference. First operand has 379 places, 369 transitions, 1055 flow. Second operand 3 states and 1216 transitions. [2024-11-16 23:43:04,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 369 transitions, 1084 flow [2024-11-16 23:43:04,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 369 transitions, 1072 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:04,172 INFO L231 Difference]: Finished difference. Result has 375 places, 368 transitions, 1047 flow [2024-11-16 23:43:04,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=375, PETRI_TRANSITIONS=368} [2024-11-16 23:43:04,173 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -21 predicate places. [2024-11-16 23:43:04,174 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 368 transitions, 1047 flow [2024-11-16 23:43:04,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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) [2024-11-16 23:43:04,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:04,174 INFO L204 CegarLoopForPetriNet]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:04,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 23:43:04,174 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-16 23:43:04,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:04,175 INFO L85 PathProgramCache]: Analyzing trace with hash 47405616, now seen corresponding path program 1 times [2024-11-16 23:43:04,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:04,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838122526] [2024-11-16 23:43:04,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:04,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-16 23:43:04,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:04,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838122526] [2024-11-16 23:43:04,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838122526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:04,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:04,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:04,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671116404] [2024-11-16 23:43:04,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:04,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:04,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:04,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:04,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:04,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 435 [2024-11-16 23:43:04,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 368 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 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) [2024-11-16 23:43:04,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:04,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 435 [2024-11-16 23:43:04,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:04,556 INFO L124 PetriNetUnfolderBase]: 76/1766 cut-off events. [2024-11-16 23:43:04,556 INFO L125 PetriNetUnfolderBase]: For 184/187 co-relation queries the response was YES. [2024-11-16 23:43:04,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2348 conditions, 1766 events. 76/1766 cut-off events. For 184/187 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10266 event pairs, 43 based on Foata normal form. 0/1693 useless extension candidates. Maximal degree in co-relation 2325. Up to 127 conditions per place. [2024-11-16 23:43:04,565 INFO L140 encePairwiseOnDemand]: 432/435 looper letters, 0 selfloop transitions, 0 changer transitions 368/368 dead transitions. [2024-11-16 23:43:04,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 368 transitions, 1076 flow [2024-11-16 23:43:04,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:04,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-16 23:43:04,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318007662835249 [2024-11-16 23:43:04,567 INFO L175 Difference]: Start difference. First operand has 375 places, 368 transitions, 1047 flow. Second operand 3 states and 1216 transitions. [2024-11-16 23:43:04,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 368 transitions, 1076 flow [2024-11-16 23:43:04,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 368 transitions, 1070 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:04,571 INFO L231 Difference]: Finished difference. Result has 374 places, 0 transitions, 0 flow [2024-11-16 23:43:04,571 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=374, PETRI_TRANSITIONS=0} [2024-11-16 23:43:04,572 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -22 predicate places. [2024-11-16 23:43:04,572 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 0 transitions, 0 flow [2024-11-16 23:43:04,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 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) [2024-11-16 23:43:04,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2024-11-16 23:43:04,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2024-11-16 23:43:04,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2024-11-16 23:43:04,576 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2024-11-16 23:43:04,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2024-11-16 23:43:04,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2024-11-16 23:43:04,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 23:43:04,579 INFO L407 BasicCegarLoop]: Path program histogram: [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] [2024-11-16 23:43:04,583 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:43:04,583 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:43:04,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:43:04 BasicIcfg [2024-11-16 23:43:04,589 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:43:04,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:43:04,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:43:04,590 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:43:04,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:42:51" (3/4) ... [2024-11-16 23:43:04,591 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:43:04,594 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:43:04,594 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:43:04,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-16 23:43:04,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:43:04,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:43:04,602 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:43:04,676 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:43:04,676 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:43:04,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:43:04,680 INFO L158 Benchmark]: Toolchain (without parser) took 14228.93ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 72.8MB in the beginning and 404.6MB in the end (delta: -331.8MB). Peak memory consumption was 156.0MB. Max. memory is 16.1GB. [2024-11-16 23:43:04,681 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 142.6MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:43:04,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.72ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 58.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:43:04,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.53ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 55.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:43:04,681 INFO L158 Benchmark]: Boogie Preprocessor took 50.05ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 52.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:43:04,681 INFO L158 Benchmark]: IcfgBuilder took 658.03ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 52.6MB in the beginning and 145.2MB in the end (delta: -92.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-16 23:43:04,681 INFO L158 Benchmark]: TraceAbstraction took 13116.62ms. Allocated memory was 205.5MB in the beginning and 629.1MB in the end (delta: 423.6MB). Free memory was 145.2MB in the beginning and 410.9MB in the end (delta: -265.7MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. [2024-11-16 23:43:04,682 INFO L158 Benchmark]: Witness Printer took 90.52ms. Allocated memory is still 629.1MB. Free memory was 410.9MB in the beginning and 404.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:43:04,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 142.6MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.72ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 58.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.53ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 55.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.05ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 52.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 658.03ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 52.6MB in the beginning and 145.2MB in the end (delta: -92.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13116.62ms. Allocated memory was 205.5MB in the beginning and 629.1MB in the end (delta: 423.6MB). Free memory was 145.2MB in the beginning and 410.9MB in the end (delta: -265.7MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. * Witness Printer took 90.52ms. Allocated memory is still 629.1MB. Free memory was 410.9MB in the beginning and 404.6MB 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: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 612 locations, 58 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: 12.9s, OverallIterations: 27, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2466 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1561 mSDsluCounter, 1160 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 857 mSDsCounter, 347 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4437 IncrementalHoareTripleChecker+Invalid, 4784 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 347 mSolverCounterUnsat, 303 mSDtfsCounter, 4437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1135 GetRequests, 1019 SyntacticMatches, 5 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1103occurred in iteration=21, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 5270 NumberOfCodeBlocks, 5174 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 5632 ConstructedInterpolants, 0 QuantifiedInterpolants, 7803 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1132 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 32 InterpolantComputations, 25 PerfectInterpolantSequences, 2694/2916 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:43:04,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE