./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2-race.i --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/pthread-ext/26_stack_cas_longest-2-race.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:15:02,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:15:02,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:15:02,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:15:02,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:15:02,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:15:02,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:15:02,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:15:02,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:15:02,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:15:02,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:15:02,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:15:02,767 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:15:02,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:15:02,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:15:02,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:15:02,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:15:02,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:15:02,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:15:02,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:15:02,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:15:02,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:15:02,775 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:15:02,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:15:02,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:15:02,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:15:02,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:15:02,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:15:02,776 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:15:02,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:15:02,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:15:02,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:15:02,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:15:02,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:15:02,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:15:02,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:15:02,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:15:02,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:15:02,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:15:02,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:15:02,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:15:02,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2024-11-16 23:15:03,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:15:03,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:15:03,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:15:03,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:15:03,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:15:03,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2-race.i [2024-11-16 23:15:04,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:15:04,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:15:04,783 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2-race.i [2024-11-16 23:15:04,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ab85b36/cde2126a50d7454a88fdb8980a3a3e44/FLAG62eb847a1 [2024-11-16 23:15:04,808 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ab85b36/cde2126a50d7454a88fdb8980a3a3e44 [2024-11-16 23:15:04,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:15:04,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:15:04,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:15:04,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:15:04,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:15:04,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:15:04" (1/1) ... [2024-11-16 23:15:04,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3630ea20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:04, skipping insertion in model container [2024-11-16 23:15:04,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:15:04" (1/1) ... [2024-11-16 23:15:04,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:15:05,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:15:05,362 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:15:05,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:15:05,469 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:15:05,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05 WrapperNode [2024-11-16 23:15:05,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:15:05,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:15:05,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:15:05,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:15:05,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,598 INFO L138 Inliner]: procedures = 177, calls = 45, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 2238 [2024-11-16 23:15:05,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:15:05,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:15:05,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:15:05,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:15:05,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,688 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:15:05,741 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:15:05,742 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:15:05,742 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:15:05,743 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (1/1) ... [2024-11-16 23:15:05,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:15:05,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:15:05,779 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 23:15:05,783 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 23:15:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:15:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-16 23:15:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-16 23:15:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:15:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:15:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 23:15:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 23:15:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:15:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:15:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:15:05,842 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 23:15:06,009 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:15:06,012 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:15:08,071 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:15:08,071 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:15:08,469 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:15:08,469 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:15:08,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:15:08 BoogieIcfgContainer [2024-11-16 23:15:08,470 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:15:08,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:15:08,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:15:08,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:15:08,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:15:04" (1/3) ... [2024-11-16 23:15:08,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41390487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:15:08, skipping insertion in model container [2024-11-16 23:15:08,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:05" (2/3) ... [2024-11-16 23:15:08,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41390487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:15:08, skipping insertion in model container [2024-11-16 23:15:08,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:15:08" (3/3) ... [2024-11-16 23:15:08,483 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas_longest-2-race.i [2024-11-16 23:15:08,501 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:15:08,502 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-16 23:15:08,502 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:15:08,670 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:15:08,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2101 places, 2108 transitions, 4220 flow [2024-11-16 23:15:09,826 INFO L124 PetriNetUnfolderBase]: 11/2118 cut-off events. [2024-11-16 23:15:09,826 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:15:09,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2122 conditions, 2118 events. 11/2118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 275 event pairs, 0 based on Foata normal form. 0/2079 useless extension candidates. Maximal degree in co-relation 1951. Up to 4 conditions per place. [2024-11-16 23:15:09,840 INFO L82 GeneralOperation]: Start removeDead. Operand has 2101 places, 2108 transitions, 4220 flow [2024-11-16 23:15:09,864 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2101 places, 2108 transitions, 4220 flow [2024-11-16 23:15:09,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:15:09,885 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;@6099ae45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:15:09,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2024-11-16 23:15:10,419 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:15:10,420 INFO L124 PetriNetUnfolderBase]: 1/1955 cut-off events. [2024-11-16 23:15:10,420 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:15:10,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:10,423 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:10,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err25ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:15:10,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:10,431 INFO L85 PathProgramCache]: Analyzing trace with hash 975301047, now seen corresponding path program 1 times [2024-11-16 23:15:10,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:10,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724677759] [2024-11-16 23:15:10,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:10,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:15:18,212 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 23:15:18,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:15:18,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724677759] [2024-11-16 23:15:18,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724677759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:15:18,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:15:18,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:15:18,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093780689] [2024-11-16 23:15:18,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:15:18,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:15:18,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:15:18,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:15:18,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:15:18,290 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2079 out of 2108 [2024-11-16 23:15:18,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2101 places, 2108 transitions, 4220 flow. Second operand has 2 states, 2 states have (on average 2080.0) internal successors, (4160), 2 states have internal predecessors, (4160), 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 23:15:18,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:15:18,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2079 of 2108 [2024-11-16 23:15:18,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:15:19,046 INFO L124 PetriNetUnfolderBase]: 5/2086 cut-off events. [2024-11-16 23:15:19,046 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:15:19,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2099 conditions, 2086 events. 5/2086 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 169 event pairs, 0 based on Foata normal form. 17/2087 useless extension candidates. Maximal degree in co-relation 145. Up to 9 conditions per place. [2024-11-16 23:15:19,055 INFO L140 encePairwiseOnDemand]: 2087/2108 looper letters, 8 selfloop transitions, 0 changer transitions 0/2081 dead transitions. [2024-11-16 23:15:19,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2080 places, 2081 transitions, 4182 flow [2024-11-16 23:15:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:15:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:15:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4187 transitions. [2024-11-16 23:15:19,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9931214421252372 [2024-11-16 23:15:19,084 INFO L175 Difference]: Start difference. First operand has 2101 places, 2108 transitions, 4220 flow. Second operand 2 states and 4187 transitions. [2024-11-16 23:15:19,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2080 places, 2081 transitions, 4182 flow [2024-11-16 23:15:19,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2080 places, 2081 transitions, 4182 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:15:19,138 INFO L231 Difference]: Finished difference. Result has 2080 places, 2081 transitions, 4166 flow [2024-11-16 23:15:19,144 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2108, PETRI_DIFFERENCE_MINUEND_FLOW=4166, PETRI_DIFFERENCE_MINUEND_PLACES=2079, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2081, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2081, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=4166, PETRI_PLACES=2080, PETRI_TRANSITIONS=2081} [2024-11-16 23:15:19,150 INFO L277 CegarLoopForPetriNet]: 2101 programPoint places, -21 predicate places. [2024-11-16 23:15:19,150 INFO L471 AbstractCegarLoop]: Abstraction has has 2080 places, 2081 transitions, 4166 flow [2024-11-16 23:15:19,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2080.0) internal successors, (4160), 2 states have internal predecessors, (4160), 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 23:15:19,154 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:19,155 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:19,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:15:19,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:15:19,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:19,157 INFO L85 PathProgramCache]: Analyzing trace with hash 961587579, now seen corresponding path program 1 times [2024-11-16 23:15:19,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:19,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188130797] [2024-11-16 23:15:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:19,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:15:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:15:21,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:15:21,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188130797] [2024-11-16 23:15:21,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188130797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:15:21,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:15:21,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:15:21,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085385612] [2024-11-16 23:15:21,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:15:21,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:15:21,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:15:21,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:15:21,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:15:21,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2075 out of 2108 [2024-11-16 23:15:21,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2080 places, 2081 transitions, 4166 flow. Second operand has 3 states, 3 states have (on average 2076.3333333333335) internal successors, (6229), 3 states have internal predecessors, (6229), 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 23:15:21,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:15:21,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2075 of 2108 [2024-11-16 23:15:21,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:15:22,363 INFO L124 PetriNetUnfolderBase]: 8/2192 cut-off events. [2024-11-16 23:15:22,364 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:15:22,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2215 conditions, 2192 events. 8/2192 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 509 event pairs, 0 based on Foata normal form. 0/2165 useless extension candidates. Maximal degree in co-relation 2211. Up to 10 conditions per place. [2024-11-16 23:15:22,373 INFO L140 encePairwiseOnDemand]: 2105/2108 looper letters, 15 selfloop transitions, 2 changer transitions 0/2086 dead transitions. [2024-11-16 23:15:22,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2081 places, 2086 transitions, 4210 flow [2024-11-16 23:15:22,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:15:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:15:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6243 transitions. [2024-11-16 23:15:22,386 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9871916508538899 [2024-11-16 23:15:22,387 INFO L175 Difference]: Start difference. First operand has 2080 places, 2081 transitions, 4166 flow. Second operand 3 states and 6243 transitions. [2024-11-16 23:15:22,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2081 places, 2086 transitions, 4210 flow [2024-11-16 23:15:22,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2081 places, 2086 transitions, 4210 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:15:22,529 INFO L231 Difference]: Finished difference. Result has 2081 places, 2080 transitions, 4168 flow [2024-11-16 23:15:22,535 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2108, PETRI_DIFFERENCE_MINUEND_FLOW=4164, PETRI_DIFFERENCE_MINUEND_PLACES=2079, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2080, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2078, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4168, PETRI_PLACES=2081, PETRI_TRANSITIONS=2080} [2024-11-16 23:15:22,536 INFO L277 CegarLoopForPetriNet]: 2101 programPoint places, -20 predicate places. [2024-11-16 23:15:22,537 INFO L471 AbstractCegarLoop]: Abstraction has has 2081 places, 2080 transitions, 4168 flow [2024-11-16 23:15:22,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2076.3333333333335) internal successors, (6229), 3 states have internal predecessors, (6229), 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 23:15:22,541 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:22,542 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:22,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:15:22,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-16 23:15:22,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:22,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1691245404, now seen corresponding path program 1 times [2024-11-16 23:15:22,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:22,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200841549] [2024-11-16 23:15:22,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:22,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:15:23,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:15:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:15:25,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:15:25,871 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:15:25,872 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2024-11-16 23:15:25,875 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2024-11-16 23:15:25,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2024-11-16 23:15:25,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2024-11-16 23:15:25,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2024-11-16 23:15:25,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2024-11-16 23:15:25,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2024-11-16 23:15:25,876 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2024-11-16 23:15:25,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2024-11-16 23:15:25,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2024-11-16 23:15:25,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2024-11-16 23:15:25,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2024-11-16 23:15:25,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2024-11-16 23:15:25,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2024-11-16 23:15:25,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2024-11-16 23:15:25,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2024-11-16 23:15:25,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2024-11-16 23:15:25,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2024-11-16 23:15:25,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2024-11-16 23:15:25,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2024-11-16 23:15:25,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2024-11-16 23:15:25,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2024-11-16 23:15:25,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2024-11-16 23:15:25,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2024-11-16 23:15:25,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2024-11-16 23:15:25,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2024-11-16 23:15:25,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2024-11-16 23:15:25,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2024-11-16 23:15:25,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2024-11-16 23:15:25,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2024-11-16 23:15:25,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2024-11-16 23:15:25,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2024-11-16 23:15:25,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2024-11-16 23:15:25,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2024-11-16 23:15:25,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2024-11-16 23:15:25,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2024-11-16 23:15:25,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2024-11-16 23:15:25,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2024-11-16 23:15:25,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2024-11-16 23:15:25,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2024-11-16 23:15:25,888 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2024-11-16 23:15:25,888 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2024-11-16 23:15:25,888 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2024-11-16 23:15:25,888 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2024-11-16 23:15:25,888 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2024-11-16 23:15:25,889 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2024-11-16 23:15:25,889 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2024-11-16 23:15:25,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2024-11-16 23:15:25,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2024-11-16 23:15:25,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2024-11-16 23:15:25,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2024-11-16 23:15:25,891 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2024-11-16 23:15:25,892 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2024-11-16 23:15:25,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:15:25,892 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 23:15:25,896 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:15:25,896 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 23:15:26,032 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:15:26,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2248 places, 2262 transitions, 4534 flow [2024-11-16 23:15:27,000 INFO L124 PetriNetUnfolderBase]: 21/2284 cut-off events. [2024-11-16 23:15:27,001 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:15:27,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 2284 events. 21/2284 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1013 event pairs, 0 based on Foata normal form. 0/2208 useless extension candidates. Maximal degree in co-relation 2119. Up to 6 conditions per place. [2024-11-16 23:15:27,011 INFO L82 GeneralOperation]: Start removeDead. Operand has 2248 places, 2262 transitions, 4534 flow [2024-11-16 23:15:27,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2248 places, 2262 transitions, 4534 flow [2024-11-16 23:15:27,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:15:27,033 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;@6099ae45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:15:27,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-11-16 23:15:27,593 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:15:27,593 INFO L124 PetriNetUnfolderBase]: 1/1954 cut-off events. [2024-11-16 23:15:27,593 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:15:27,594 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:27,595 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:27,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err25ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:15:27,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:27,596 INFO L85 PathProgramCache]: Analyzing trace with hash 359456134, now seen corresponding path program 1 times [2024-11-16 23:15:27,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:27,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659254793] [2024-11-16 23:15:27,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:27,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:15:33,287 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 23:15:33,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:15:33,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659254793] [2024-11-16 23:15:33,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659254793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:15:33,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:15:33,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:15:33,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921446015] [2024-11-16 23:15:33,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:15:33,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:15:33,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:15:33,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:15:33,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:15:33,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2206 out of 2262 [2024-11-16 23:15:33,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2248 places, 2262 transitions, 4534 flow. Second operand has 2 states, 2 states have (on average 2207.0) internal successors, (4414), 2 states have internal predecessors, (4414), 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 23:15:33,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:15:33,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2206 of 2262 [2024-11-16 23:15:33,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:15:34,786 INFO L124 PetriNetUnfolderBase]: 101/3309 cut-off events. [2024-11-16 23:15:34,786 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-16 23:15:34,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3458 conditions, 3309 events. 101/3309 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8506 event pairs, 38 based on Foata normal form. 175/3315 useless extension candidates. Maximal degree in co-relation 2095. Up to 126 conditions per place. [2024-11-16 23:15:34,805 INFO L140 encePairwiseOnDemand]: 2222/2262 looper letters, 16 selfloop transitions, 0 changer transitions 0/2213 dead transitions. [2024-11-16 23:15:34,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2209 places, 2213 transitions, 4468 flow [2024-11-16 23:15:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:15:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:15:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4468 transitions. [2024-11-16 23:15:34,815 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9876215738284704 [2024-11-16 23:15:34,815 INFO L175 Difference]: Start difference. First operand has 2248 places, 2262 transitions, 4534 flow. Second operand 2 states and 4468 transitions. [2024-11-16 23:15:34,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2209 places, 2213 transitions, 4468 flow [2024-11-16 23:15:34,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2209 places, 2213 transitions, 4468 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:15:34,848 INFO L231 Difference]: Finished difference. Result has 2209 places, 2213 transitions, 4436 flow [2024-11-16 23:15:34,852 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2262, PETRI_DIFFERENCE_MINUEND_FLOW=4436, PETRI_DIFFERENCE_MINUEND_PLACES=2208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=4436, PETRI_PLACES=2209, PETRI_TRANSITIONS=2213} [2024-11-16 23:15:34,853 INFO L277 CegarLoopForPetriNet]: 2248 programPoint places, -39 predicate places. [2024-11-16 23:15:34,853 INFO L471 AbstractCegarLoop]: Abstraction has has 2209 places, 2213 transitions, 4436 flow [2024-11-16 23:15:34,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2207.0) internal successors, (4414), 2 states have internal predecessors, (4414), 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 23:15:34,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:34,857 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:34,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:15:34,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:15:34,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:34,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1840190314, now seen corresponding path program 1 times [2024-11-16 23:15:34,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:34,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630021397] [2024-11-16 23:15:34,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:34,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:15:36,402 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 23:15:36,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:15:36,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630021397] [2024-11-16 23:15:36,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630021397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:15:36,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:15:36,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:15:36,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687249615] [2024-11-16 23:15:36,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:15:36,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:15:36,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:15:36,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:15:36,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:15:36,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2198 out of 2262 [2024-11-16 23:15:36,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2209 places, 2213 transitions, 4436 flow. Second operand has 3 states, 3 states have (on average 2199.3333333333335) internal successors, (6598), 3 states have internal predecessors, (6598), 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 23:15:36,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:15:36,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2198 of 2262 [2024-11-16 23:15:36,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:15:38,943 INFO L124 PetriNetUnfolderBase]: 338/6000 cut-off events. [2024-11-16 23:15:38,943 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-16 23:15:38,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6516 conditions, 6000 events. 338/6000 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 36697 event pairs, 74 based on Foata normal form. 0/5510 useless extension candidates. Maximal degree in co-relation 6511. Up to 239 conditions per place. [2024-11-16 23:15:38,982 INFO L140 encePairwiseOnDemand]: 2254/2262 looper letters, 39 selfloop transitions, 6 changer transitions 0/2234 dead transitions. [2024-11-16 23:15:38,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2211 places, 2234 transitions, 4573 flow [2024-11-16 23:15:38,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:15:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:15:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6641 transitions. [2024-11-16 23:15:38,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9786324786324786 [2024-11-16 23:15:38,999 INFO L175 Difference]: Start difference. First operand has 2209 places, 2213 transitions, 4436 flow. Second operand 3 states and 6641 transitions. [2024-11-16 23:15:38,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2211 places, 2234 transitions, 4573 flow [2024-11-16 23:15:39,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2211 places, 2234 transitions, 4573 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:15:39,038 INFO L231 Difference]: Finished difference. Result has 2213 places, 2219 transitions, 4488 flow [2024-11-16 23:15:39,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2262, PETRI_DIFFERENCE_MINUEND_FLOW=4436, PETRI_DIFFERENCE_MINUEND_PLACES=2209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4488, PETRI_PLACES=2213, PETRI_TRANSITIONS=2219} [2024-11-16 23:15:39,042 INFO L277 CegarLoopForPetriNet]: 2248 programPoint places, -35 predicate places. [2024-11-16 23:15:39,043 INFO L471 AbstractCegarLoop]: Abstraction has has 2213 places, 2219 transitions, 4488 flow [2024-11-16 23:15:39,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2199.3333333333335) internal successors, (6598), 3 states have internal predecessors, (6598), 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 23:15:39,047 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:39,048 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:39,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:15:39,048 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err22ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:15:39,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:39,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2010906152, now seen corresponding path program 1 times [2024-11-16 23:15:39,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:39,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753490318] [2024-11-16 23:15:39,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:39,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:15:45,450 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 23:15:45,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:15:45,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753490318] [2024-11-16 23:15:45,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753490318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:15:45,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:15:45,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:15:45,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110123254] [2024-11-16 23:15:45,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:15:45,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:15:45,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:15:45,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:15:45,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:15:45,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2172 out of 2262 [2024-11-16 23:15:45,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2213 places, 2219 transitions, 4488 flow. Second operand has 6 states, 6 states have (on average 2173.6666666666665) internal successors, (13042), 6 states have internal predecessors, (13042), 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 23:15:45,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:15:45,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2172 of 2262 [2024-11-16 23:15:45,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:15:50,163 INFO L124 PetriNetUnfolderBase]: 1896/11635 cut-off events. [2024-11-16 23:15:50,163 INFO L125 PetriNetUnfolderBase]: For 154/154 co-relation queries the response was YES. [2024-11-16 23:15:50,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15113 conditions, 11635 events. 1896/11635 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 96018 event pairs, 810 based on Foata normal form. 0/10569 useless extension candidates. Maximal degree in co-relation 15106. Up to 2801 conditions per place. [2024-11-16 23:15:50,282 INFO L140 encePairwiseOnDemand]: 2234/2262 looper letters, 76 selfloop transitions, 82 changer transitions 0/2327 dead transitions. [2024-11-16 23:15:50,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2218 places, 2327 transitions, 5040 flow [2024-11-16 23:15:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:15:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:15:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13191 transitions. [2024-11-16 23:15:50,313 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9719274977895668 [2024-11-16 23:15:50,313 INFO L175 Difference]: Start difference. First operand has 2213 places, 2219 transitions, 4488 flow. Second operand 6 states and 13191 transitions. [2024-11-16 23:15:50,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 2218 places, 2327 transitions, 5040 flow [2024-11-16 23:15:50,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 2216 places, 2327 transitions, 5028 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:15:50,363 INFO L231 Difference]: Finished difference. Result has 2220 places, 2304 transitions, 4982 flow [2024-11-16 23:15:50,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2262, PETRI_DIFFERENCE_MINUEND_FLOW=4476, PETRI_DIFFERENCE_MINUEND_PLACES=2211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4982, PETRI_PLACES=2220, PETRI_TRANSITIONS=2304} [2024-11-16 23:15:50,368 INFO L277 CegarLoopForPetriNet]: 2248 programPoint places, -28 predicate places. [2024-11-16 23:15:50,369 INFO L471 AbstractCegarLoop]: Abstraction has has 2220 places, 2304 transitions, 4982 flow [2024-11-16 23:15:50,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2173.6666666666665) internal successors, (13042), 6 states have internal predecessors, (13042), 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 23:15:50,385 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:50,386 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:50,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:15:50,387 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:15:50,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:50,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2006483227, now seen corresponding path program 1 times [2024-11-16 23:15:50,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:50,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317190471] [2024-11-16 23:15:50,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:50,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:15:51,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:15:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:15:52,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:15:52,815 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:15:52,816 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 79 remaining) [2024-11-16 23:15:52,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2024-11-16 23:15:52,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2024-11-16 23:15:52,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2024-11-16 23:15:52,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2024-11-16 23:15:52,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2024-11-16 23:15:52,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2024-11-16 23:15:52,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2024-11-16 23:15:52,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2024-11-16 23:15:52,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2024-11-16 23:15:52,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2024-11-16 23:15:52,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2024-11-16 23:15:52,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2024-11-16 23:15:52,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2024-11-16 23:15:52,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2024-11-16 23:15:52,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2024-11-16 23:15:52,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2024-11-16 23:15:52,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2024-11-16 23:15:52,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2024-11-16 23:15:52,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2024-11-16 23:15:52,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2024-11-16 23:15:52,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2024-11-16 23:15:52,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2024-11-16 23:15:52,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2024-11-16 23:15:52,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2024-11-16 23:15:52,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2024-11-16 23:15:52,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2024-11-16 23:15:52,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2024-11-16 23:15:52,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2024-11-16 23:15:52,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2024-11-16 23:15:52,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2024-11-16 23:15:52,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2024-11-16 23:15:52,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2024-11-16 23:15:52,826 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2024-11-16 23:15:52,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2024-11-16 23:15:52,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2024-11-16 23:15:52,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2024-11-16 23:15:52,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2024-11-16 23:15:52,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2024-11-16 23:15:52,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2024-11-16 23:15:52,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2024-11-16 23:15:52,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2024-11-16 23:15:52,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2024-11-16 23:15:52,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2024-11-16 23:15:52,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2024-11-16 23:15:52,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2024-11-16 23:15:52,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2024-11-16 23:15:52,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (31 of 79 remaining) [2024-11-16 23:15:52,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2024-11-16 23:15:52,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2024-11-16 23:15:52,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2024-11-16 23:15:52,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2024-11-16 23:15:52,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2024-11-16 23:15:52,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2024-11-16 23:15:52,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2024-11-16 23:15:52,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2024-11-16 23:15:52,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2024-11-16 23:15:52,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2024-11-16 23:15:52,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2024-11-16 23:15:52,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2024-11-16 23:15:52,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2024-11-16 23:15:52,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2024-11-16 23:15:52,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2024-11-16 23:15:52,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2024-11-16 23:15:52,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2024-11-16 23:15:52,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2024-11-16 23:15:52,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2024-11-16 23:15:52,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2024-11-16 23:15:52,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2024-11-16 23:15:52,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2024-11-16 23:15:52,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2024-11-16 23:15:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2024-11-16 23:15:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2024-11-16 23:15:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2024-11-16 23:15:52,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2024-11-16 23:15:52,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2024-11-16 23:15:52,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2024-11-16 23:15:52,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2024-11-16 23:15:52,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2024-11-16 23:15:52,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:15:52,838 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 23:15:52,839 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:15:52,839 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-16 23:15:53,009 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:15:53,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2395 places, 2416 transitions, 4850 flow [2024-11-16 23:15:54,002 INFO L124 PetriNetUnfolderBase]: 31/2450 cut-off events. [2024-11-16 23:15:54,003 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-16 23:15:54,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2463 conditions, 2450 events. 31/2450 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1971 event pairs, 0 based on Foata normal form. 0/2337 useless extension candidates. Maximal degree in co-relation 2288. Up to 8 conditions per place. [2024-11-16 23:15:54,015 INFO L82 GeneralOperation]: Start removeDead. Operand has 2395 places, 2416 transitions, 4850 flow [2024-11-16 23:15:54,033 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2395 places, 2416 transitions, 4850 flow [2024-11-16 23:15:54,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:15:54,034 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6099ae45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:15:54,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2024-11-16 23:15:54,490 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:15:54,491 INFO L124 PetriNetUnfolderBase]: 1/1955 cut-off events. [2024-11-16 23:15:54,491 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:15:54,491 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:15:54,492 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1] [2024-11-16 23:15:54,493 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err25ASSERT_VIOLATIONDATA_RACE === [thr1Err25ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err20ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2024-11-16 23:15:54,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:15:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash 719397199, now seen corresponding path program 1 times [2024-11-16 23:15:54,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:15:54,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051852168] [2024-11-16 23:15:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:15:54,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:15:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:15:58,644 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 23:15:58,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:15:58,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051852168] [2024-11-16 23:15:58,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051852168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:15:58,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:15:58,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:15:58,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618683224] [2024-11-16 23:15:58,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:15:58,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:15:58,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:15:58,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:15:58,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:15:58,661 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 2333 out of 2416 [2024-11-16 23:15:58,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2395 places, 2416 transitions, 4850 flow. Second operand has 2 states, 2 states have (on average 2334.0) internal successors, (4668), 2 states have internal predecessors, (4668), 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 23:15:58,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:15:58,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2333 of 2416 [2024-11-16 23:15:58,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand