./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:47:09,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:47:09,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:47:09,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:47:09,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:47:09,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:47:09,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:47:09,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:47:09,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:47:09,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:47:09,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:47:09,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:47:09,724 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:47:09,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:47:09,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:47:09,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:47:09,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:47:09,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:47:09,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:47:09,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:47:09,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:47:09,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:47:09,729 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:47:09,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:47:09,730 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:47:09,730 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:47:09,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:47:09,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:47:09,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:47:09,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:47:09,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:47:09,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:47:09,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:47:09,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:47:09,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:47:09,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:47:09,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:47:09,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:47:09,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:47:09,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:47:09,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:47:09,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b [2024-11-16 23:47:09,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:47:09,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:47:09,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:47:09,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:47:09,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:47:09,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2024-11-16 23:47:11,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:47:11,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:47:11,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2024-11-16 23:47:11,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5f823a68/e2f245fb2602475ea596178cd06e0946/FLAGce23e49b3 [2024-11-16 23:47:11,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5f823a68/e2f245fb2602475ea596178cd06e0946 [2024-11-16 23:47:11,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:47:11,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:47:11,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:47:11,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:47:11,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:47:11,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:11" (1/1) ... [2024-11-16 23:47:11,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679fe956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:11, skipping insertion in model container [2024-11-16 23:47:11,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:11" (1/1) ... [2024-11-16 23:47:11,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:47:11,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:47:11,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:47:12,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:47:12,022 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:47:12,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12 WrapperNode [2024-11-16 23:47:12,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:47:12,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:47:12,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:47:12,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:47:12,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,072 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 258 [2024-11-16 23:47:12,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:47:12,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:47:12,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:47:12,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:47:12,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,094 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:47:12,108 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:47:12,108 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:47:12,109 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:47:12,110 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (1/1) ... [2024-11-16 23:47:12,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:47:12,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:47:12,144 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 23:47:12,145 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 23:47:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:47:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:47:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:47:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:47:12,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:47:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:47:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:47:12,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:47:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:47:12,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:47:12,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:47:12,183 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 23:47:12,290 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:47:12,291 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:47:12,667 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:47:12,668 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:47:12,687 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:47:12,687 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:47:12,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:47:12 BoogieIcfgContainer [2024-11-16 23:47:12,688 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:47:12,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:47:12,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:47:12,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:47:12,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:47:11" (1/3) ... [2024-11-16 23:47:12,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef3aeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:47:12, skipping insertion in model container [2024-11-16 23:47:12,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:12" (2/3) ... [2024-11-16 23:47:12,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef3aeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:47:12, skipping insertion in model container [2024-11-16 23:47:12,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:47:12" (3/3) ... [2024-11-16 23:47:12,693 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2024-11-16 23:47:12,705 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:47:12,705 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2024-11-16 23:47:12,705 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:47:12,791 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:47:12,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 344 transitions, 702 flow [2024-11-16 23:47:12,940 INFO L124 PetriNetUnfolderBase]: 19/342 cut-off events. [2024-11-16 23:47:12,940 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:47:12,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 342 events. 19/342 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 759 event pairs, 0 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2024-11-16 23:47:12,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 344 transitions, 702 flow [2024-11-16 23:47:12,960 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 314 places, 325 transitions, 662 flow [2024-11-16 23:47:12,971 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:47:12,977 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;@57a9b87c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:47:12,978 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2024-11-16 23:47:12,982 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:47:12,984 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-16 23:47:12,984 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:47:12,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:12,985 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] [2024-11-16 23:47:12,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:12,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:12,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1958146880, now seen corresponding path program 1 times [2024-11-16 23:47:12,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:12,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252462653] [2024-11-16 23:47:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:12,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:13,137 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 23:47:13,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:13,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252462653] [2024-11-16 23:47:13,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252462653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:13,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:13,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:13,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747692110] [2024-11-16 23:47:13,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:13,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:13,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:13,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:13,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:13,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 344 [2024-11-16 23:47:13,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 325 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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 23:47:13,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:13,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 344 [2024-11-16 23:47:13,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:13,365 INFO L124 PetriNetUnfolderBase]: 19/477 cut-off events. [2024-11-16 23:47:13,365 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-16 23:47:13,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 477 events. 19/477 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1778 event pairs, 5 based on Foata normal form. 11/402 useless extension candidates. Maximal degree in co-relation 383. Up to 24 conditions per place. [2024-11-16 23:47:13,376 INFO L140 encePairwiseOnDemand]: 331/344 looper letters, 10 selfloop transitions, 2 changer transitions 3/314 dead transitions. [2024-11-16 23:47:13,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 314 transitions, 664 flow [2024-11-16 23:47:13,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:13,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-11-16 23:47:13,397 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9467054263565892 [2024-11-16 23:47:13,399 INFO L175 Difference]: Start difference. First operand has 314 places, 325 transitions, 662 flow. Second operand 3 states and 977 transitions. [2024-11-16 23:47:13,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 314 transitions, 664 flow [2024-11-16 23:47:13,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 314 transitions, 656 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-16 23:47:13,410 INFO L231 Difference]: Finished difference. Result has 311 places, 311 transitions, 630 flow [2024-11-16 23:47:13,412 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=311, PETRI_TRANSITIONS=311} [2024-11-16 23:47:13,416 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -3 predicate places. [2024-11-16 23:47:13,416 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 311 transitions, 630 flow [2024-11-16 23:47:13,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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 23:47:13,417 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:13,417 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:47:13,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:47:13,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:13,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:13,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1643525507, now seen corresponding path program 1 times [2024-11-16 23:47:13,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:13,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148400390] [2024-11-16 23:47:13,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:13,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:13,468 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 23:47:13,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:13,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148400390] [2024-11-16 23:47:13,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148400390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:13,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:13,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:13,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75181928] [2024-11-16 23:47:13,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:13,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:13,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:13,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:13,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:13,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 344 [2024-11-16 23:47:13,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 311 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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 23:47:13,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:13,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 344 [2024-11-16 23:47:13,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:13,568 INFO L124 PetriNetUnfolderBase]: 20/469 cut-off events. [2024-11-16 23:47:13,569 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-16 23:47:13,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 469 events. 20/469 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1600 event pairs, 7 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 478. Up to 28 conditions per place. [2024-11-16 23:47:13,574 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 13 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-16 23:47:13,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 310 transitions, 658 flow [2024-11-16 23:47:13,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-16 23:47:13,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9312015503875969 [2024-11-16 23:47:13,577 INFO L175 Difference]: Start difference. First operand has 311 places, 311 transitions, 630 flow. Second operand 3 states and 961 transitions. [2024-11-16 23:47:13,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 310 transitions, 658 flow [2024-11-16 23:47:13,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 310 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:13,584 INFO L231 Difference]: Finished difference. Result has 307 places, 310 transitions, 628 flow [2024-11-16 23:47:13,585 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=307, PETRI_TRANSITIONS=310} [2024-11-16 23:47:13,585 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -7 predicate places. [2024-11-16 23:47:13,586 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 310 transitions, 628 flow [2024-11-16 23:47:13,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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 23:47:13,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:13,587 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] [2024-11-16 23:47:13,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:47:13,588 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:13,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1743397564, now seen corresponding path program 1 times [2024-11-16 23:47:13,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:13,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523643287] [2024-11-16 23:47:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:13,638 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 23:47:13,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:13,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523643287] [2024-11-16 23:47:13,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523643287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:13,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:13,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:13,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996562920] [2024-11-16 23:47:13,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:13,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:13,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:13,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:13,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:13,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 344 [2024-11-16 23:47:13,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 310.0) internal successors, (930), 3 states have internal predecessors, (930), 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 23:47:13,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:13,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 344 [2024-11-16 23:47:13,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:13,812 INFO L124 PetriNetUnfolderBase]: 66/966 cut-off events. [2024-11-16 23:47:13,813 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2024-11-16 23:47:13,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 966 events. 66/966 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4910 event pairs, 20 based on Foata normal form. 0/787 useless extension candidates. Maximal degree in co-relation 1017. Up to 77 conditions per place. [2024-11-16 23:47:13,821 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 16 selfloop transitions, 1 changer transitions 0/304 dead transitions. [2024-11-16 23:47:13,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 304 transitions, 650 flow [2024-11-16 23:47:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 950 transitions. [2024-11-16 23:47:13,826 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205426356589147 [2024-11-16 23:47:13,826 INFO L175 Difference]: Start difference. First operand has 307 places, 310 transitions, 628 flow. Second operand 3 states and 950 transitions. [2024-11-16 23:47:13,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 304 transitions, 650 flow [2024-11-16 23:47:13,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 304 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:13,831 INFO L231 Difference]: Finished difference. Result has 301 places, 304 transitions, 614 flow [2024-11-16 23:47:13,832 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=301, PETRI_TRANSITIONS=304} [2024-11-16 23:47:13,832 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -13 predicate places. [2024-11-16 23:47:13,833 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 304 transitions, 614 flow [2024-11-16 23:47:13,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.0) internal successors, (930), 3 states have internal predecessors, (930), 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 23:47:13,834 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:13,834 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:47:13,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:47:13,834 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:13,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:13,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1455766013, now seen corresponding path program 1 times [2024-11-16 23:47:13,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:13,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308833873] [2024-11-16 23:47:13,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:13,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:14,378 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 23:47:14,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:14,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308833873] [2024-11-16 23:47:14,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308833873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:14,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:14,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:47:14,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774347472] [2024-11-16 23:47:14,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:14,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:47:14,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:14,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:47:14,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:47:14,510 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 344 [2024-11-16 23:47:14,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 304 transitions, 614 flow. Second operand has 6 states, 6 states have (on average 299.5) internal successors, (1797), 6 states have internal predecessors, (1797), 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 23:47:14,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:14,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 344 [2024-11-16 23:47:14,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:14,629 INFO L124 PetriNetUnfolderBase]: 131/1253 cut-off events. [2024-11-16 23:47:14,629 INFO L125 PetriNetUnfolderBase]: For 28/29 co-relation queries the response was YES. [2024-11-16 23:47:14,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1459 conditions, 1253 events. 131/1253 cut-off events. For 28/29 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6921 event pairs, 64 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 1424. Up to 192 conditions per place. [2024-11-16 23:47:14,638 INFO L140 encePairwiseOnDemand]: 338/344 looper letters, 28 selfloop transitions, 5 changer transitions 0/303 dead transitions. [2024-11-16 23:47:14,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 303 transitions, 678 flow [2024-11-16 23:47:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:47:14,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:47:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1822 transitions. [2024-11-16 23:47:14,641 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8827519379844961 [2024-11-16 23:47:14,641 INFO L175 Difference]: Start difference. First operand has 301 places, 304 transitions, 614 flow. Second operand 6 states and 1822 transitions. [2024-11-16 23:47:14,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 303 transitions, 678 flow [2024-11-16 23:47:14,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 303 transitions, 677 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:47:14,645 INFO L231 Difference]: Finished difference. Result has 304 places, 303 transitions, 621 flow [2024-11-16 23:47:14,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=621, PETRI_PLACES=304, PETRI_TRANSITIONS=303} [2024-11-16 23:47:14,647 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -10 predicate places. [2024-11-16 23:47:14,648 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 303 transitions, 621 flow [2024-11-16 23:47:14,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.5) internal successors, (1797), 6 states have internal predecessors, (1797), 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 23:47:14,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:14,649 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:47:14,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:47:14,649 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:14,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:14,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1089787208, now seen corresponding path program 1 times [2024-11-16 23:47:14,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:14,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503941414] [2024-11-16 23:47:14,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:14,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:14,689 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 23:47:14,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:14,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503941414] [2024-11-16 23:47:14,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503941414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:14,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:14,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:14,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223069496] [2024-11-16 23:47:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:14,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:14,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:14,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:14,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:14,717 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 344 [2024-11-16 23:47:14,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 303 transitions, 621 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 23:47:14,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:14,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 344 [2024-11-16 23:47:14,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:14,760 INFO L124 PetriNetUnfolderBase]: 20/458 cut-off events. [2024-11-16 23:47:14,761 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-16 23:47:14,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 458 events. 20/458 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1507 event pairs, 7 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 479. Up to 26 conditions per place. [2024-11-16 23:47:14,765 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 11 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-11-16 23:47:14,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 302 transitions, 645 flow [2024-11-16 23:47:14,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2024-11-16 23:47:14,767 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.935077519379845 [2024-11-16 23:47:14,767 INFO L175 Difference]: Start difference. First operand has 304 places, 303 transitions, 621 flow. Second operand 3 states and 965 transitions. [2024-11-16 23:47:14,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 302 transitions, 645 flow [2024-11-16 23:47:14,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 302 transitions, 635 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:47:14,771 INFO L231 Difference]: Finished difference. Result has 300 places, 302 transitions, 613 flow [2024-11-16 23:47:14,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=300, PETRI_TRANSITIONS=302} [2024-11-16 23:47:14,772 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -14 predicate places. [2024-11-16 23:47:14,772 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 302 transitions, 613 flow [2024-11-16 23:47:14,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 23:47:14,773 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:14,774 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] [2024-11-16 23:47:14,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:47:14,774 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:14,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:14,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1852475687, now seen corresponding path program 1 times [2024-11-16 23:47:14,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:14,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852237472] [2024-11-16 23:47:14,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:14,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:14,809 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 23:47:14,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:14,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852237472] [2024-11-16 23:47:14,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852237472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:14,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:14,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:14,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005151476] [2024-11-16 23:47:14,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:14,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:14,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:14,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:14,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 344 [2024-11-16 23:47:14,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 302 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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 23:47:14,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:14,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 344 [2024-11-16 23:47:14,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:14,886 INFO L124 PetriNetUnfolderBase]: 44/836 cut-off events. [2024-11-16 23:47:14,886 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:47:14,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 836 events. 44/836 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4341 event pairs, 8 based on Foata normal form. 0/698 useless extension candidates. Maximal degree in co-relation 859. Up to 46 conditions per place. [2024-11-16 23:47:14,891 INFO L140 encePairwiseOnDemand]: 339/344 looper letters, 12 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-11-16 23:47:14,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 302 transitions, 642 flow [2024-11-16 23:47:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-16 23:47:14,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9408914728682171 [2024-11-16 23:47:14,893 INFO L175 Difference]: Start difference. First operand has 300 places, 302 transitions, 613 flow. Second operand 3 states and 971 transitions. [2024-11-16 23:47:14,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 302 transitions, 642 flow [2024-11-16 23:47:14,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 302 transitions, 638 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:14,897 INFO L231 Difference]: Finished difference. Result has 298 places, 301 transitions, 617 flow [2024-11-16 23:47:14,897 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=617, PETRI_PLACES=298, PETRI_TRANSITIONS=301} [2024-11-16 23:47:14,898 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -16 predicate places. [2024-11-16 23:47:14,899 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 301 transitions, 617 flow [2024-11-16 23:47:14,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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 23:47:14,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:14,900 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] [2024-11-16 23:47:14,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:47:14,900 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:14,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:14,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1067745696, now seen corresponding path program 1 times [2024-11-16 23:47:14,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:14,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063382161] [2024-11-16 23:47:14,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:14,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:14,928 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 23:47:14,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:14,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063382161] [2024-11-16 23:47:14,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063382161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:14,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:14,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:14,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578272905] [2024-11-16 23:47:14,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:14,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:14,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:14,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:14,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:14,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 344 [2024-11-16 23:47:14,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 301 transitions, 617 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 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 23:47:14,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:14,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 344 [2024-11-16 23:47:14,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:14,995 INFO L124 PetriNetUnfolderBase]: 26/495 cut-off events. [2024-11-16 23:47:14,995 INFO L125 PetriNetUnfolderBase]: For 3/8 co-relation queries the response was YES. [2024-11-16 23:47:14,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 495 events. 26/495 cut-off events. For 3/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1795 event pairs, 1 based on Foata normal form. 1/430 useless extension candidates. Maximal degree in co-relation 514. Up to 21 conditions per place. [2024-11-16 23:47:14,999 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 11 selfloop transitions, 3 changer transitions 0/298 dead transitions. [2024-11-16 23:47:14,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 298 transitions, 640 flow [2024-11-16 23:47:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-16 23:47:15,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331395348837209 [2024-11-16 23:47:15,001 INFO L175 Difference]: Start difference. First operand has 298 places, 301 transitions, 617 flow. Second operand 3 states and 963 transitions. [2024-11-16 23:47:15,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 298 transitions, 640 flow [2024-11-16 23:47:15,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 298 transitions, 640 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:15,007 INFO L231 Difference]: Finished difference. Result has 296 places, 297 transitions, 615 flow [2024-11-16 23:47:15,007 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=615, PETRI_PLACES=296, PETRI_TRANSITIONS=297} [2024-11-16 23:47:15,008 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -18 predicate places. [2024-11-16 23:47:15,008 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 297 transitions, 615 flow [2024-11-16 23:47:15,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 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 23:47:15,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:15,009 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] [2024-11-16 23:47:15,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:47:15,009 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:15,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:15,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1704584006, now seen corresponding path program 1 times [2024-11-16 23:47:15,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:15,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386294719] [2024-11-16 23:47:15,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:15,033 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 23:47:15,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:15,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386294719] [2024-11-16 23:47:15,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386294719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:15,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:15,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:15,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513396079] [2024-11-16 23:47:15,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:15,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:15,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:15,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:15,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:15,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 344 [2024-11-16 23:47:15,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 297 transitions, 615 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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 23:47:15,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:15,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 344 [2024-11-16 23:47:15,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:15,121 INFO L124 PetriNetUnfolderBase]: 39/540 cut-off events. [2024-11-16 23:47:15,122 INFO L125 PetriNetUnfolderBase]: For 23/24 co-relation queries the response was YES. [2024-11-16 23:47:15,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 540 events. 39/540 cut-off events. For 23/24 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2202 event pairs, 3 based on Foata normal form. 1/486 useless extension candidates. Maximal degree in co-relation 613. Up to 73 conditions per place. [2024-11-16 23:47:15,125 INFO L140 encePairwiseOnDemand]: 327/344 looper letters, 19 selfloop transitions, 6 changer transitions 4/288 dead transitions. [2024-11-16 23:47:15,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 288 transitions, 652 flow [2024-11-16 23:47:15,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 922 transitions. [2024-11-16 23:47:15,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8934108527131783 [2024-11-16 23:47:15,127 INFO L175 Difference]: Start difference. First operand has 296 places, 297 transitions, 615 flow. Second operand 3 states and 922 transitions. [2024-11-16 23:47:15,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 288 transitions, 652 flow [2024-11-16 23:47:15,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 288 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:15,130 INFO L231 Difference]: Finished difference. Result has 286 places, 283 transitions, 592 flow [2024-11-16 23:47:15,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=286, PETRI_TRANSITIONS=283} [2024-11-16 23:47:15,131 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -28 predicate places. [2024-11-16 23:47:15,131 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 283 transitions, 592 flow [2024-11-16 23:47:15,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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 23:47:15,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:15,132 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:47:15,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:47:15,132 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:15,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1544429530, now seen corresponding path program 1 times [2024-11-16 23:47:15,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:15,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413021117] [2024-11-16 23:47:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:15,155 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 23:47:15,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:15,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413021117] [2024-11-16 23:47:15,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413021117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:15,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:15,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:15,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372123186] [2024-11-16 23:47:15,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:15,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:15,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:15,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:15,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:15,174 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 344 [2024-11-16 23:47:15,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 283 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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 23:47:15,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:15,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 344 [2024-11-16 23:47:15,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:15,261 INFO L124 PetriNetUnfolderBase]: 69/1026 cut-off events. [2024-11-16 23:47:15,261 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-16 23:47:15,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1161 conditions, 1026 events. 69/1026 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5285 event pairs, 7 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 1125. Up to 69 conditions per place. [2024-11-16 23:47:15,265 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 14 selfloop transitions, 3 changer transitions 0/284 dead transitions. [2024-11-16 23:47:15,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 284 transitions, 630 flow [2024-11-16 23:47:15,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-11-16 23:47:15,267 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936046511627907 [2024-11-16 23:47:15,267 INFO L175 Difference]: Start difference. First operand has 286 places, 283 transitions, 592 flow. Second operand 3 states and 966 transitions. [2024-11-16 23:47:15,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 284 transitions, 630 flow [2024-11-16 23:47:15,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 284 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:15,272 INFO L231 Difference]: Finished difference. Result has 279 places, 282 transitions, 593 flow [2024-11-16 23:47:15,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=279, PETRI_TRANSITIONS=282} [2024-11-16 23:47:15,273 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -35 predicate places. [2024-11-16 23:47:15,273 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 282 transitions, 593 flow [2024-11-16 23:47:15,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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 23:47:15,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:15,275 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] [2024-11-16 23:47:15,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:47:15,276 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:15,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash 824878090, now seen corresponding path program 1 times [2024-11-16 23:47:15,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:15,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380880053] [2024-11-16 23:47:15,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:15,370 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 23:47:15,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:15,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380880053] [2024-11-16 23:47:15,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380880053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:15,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:15,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:47:15,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064345161] [2024-11-16 23:47:15,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:15,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:47:15,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:15,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:47:15,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:47:15,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 344 [2024-11-16 23:47:15,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 282 transitions, 593 flow. Second operand has 4 states, 4 states have (on average 322.25) internal successors, (1289), 4 states have internal predecessors, (1289), 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 23:47:15,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:15,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 344 [2024-11-16 23:47:15,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:15,507 INFO L124 PetriNetUnfolderBase]: 67/1266 cut-off events. [2024-11-16 23:47:15,507 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:47:15,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 1266 events. 67/1266 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6993 event pairs, 5 based on Foata normal form. 0/1134 useless extension candidates. Maximal degree in co-relation 1345. Up to 31 conditions per place. [2024-11-16 23:47:15,515 INFO L140 encePairwiseOnDemand]: 338/344 looper letters, 13 selfloop transitions, 6 changer transitions 0/291 dead transitions. [2024-11-16 23:47:15,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 291 transitions, 653 flow [2024-11-16 23:47:15,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:47:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:47:15,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1625 transitions. [2024-11-16 23:47:15,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9447674418604651 [2024-11-16 23:47:15,518 INFO L175 Difference]: Start difference. First operand has 279 places, 282 transitions, 593 flow. Second operand 5 states and 1625 transitions. [2024-11-16 23:47:15,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 291 transitions, 653 flow [2024-11-16 23:47:15,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 653 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:15,523 INFO L231 Difference]: Finished difference. Result has 286 places, 286 transitions, 631 flow [2024-11-16 23:47:15,524 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=593, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=631, PETRI_PLACES=286, PETRI_TRANSITIONS=286} [2024-11-16 23:47:15,525 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -28 predicate places. [2024-11-16 23:47:15,526 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 286 transitions, 631 flow [2024-11-16 23:47:15,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 322.25) internal successors, (1289), 4 states have internal predecessors, (1289), 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 23:47:15,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:15,527 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] [2024-11-16 23:47:15,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:47:15,527 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:15,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:15,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2035489562, now seen corresponding path program 1 times [2024-11-16 23:47:15,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:15,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696303740] [2024-11-16 23:47:15,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:15,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:15,817 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 23:47:15,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:15,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696303740] [2024-11-16 23:47:15,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696303740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:15,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:15,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:47:15,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494095476] [2024-11-16 23:47:15,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:15,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:47:15,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:15,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:47:15,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:47:16,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 344 [2024-11-16 23:47:16,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 286 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 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 23:47:16,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:16,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 344 [2024-11-16 23:47:16,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:16,110 INFO L124 PetriNetUnfolderBase]: 56/974 cut-off events. [2024-11-16 23:47:16,110 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-16 23:47:16,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 974 events. 56/974 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4787 event pairs, 4 based on Foata normal form. 0/882 useless extension candidates. Maximal degree in co-relation 1074. Up to 24 conditions per place. [2024-11-16 23:47:16,116 INFO L140 encePairwiseOnDemand]: 338/344 looper letters, 15 selfloop transitions, 6 changer transitions 0/289 dead transitions. [2024-11-16 23:47:16,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 289 transitions, 683 flow [2024-11-16 23:47:16,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:47:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:47:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1905 transitions. [2024-11-16 23:47:16,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9229651162790697 [2024-11-16 23:47:16,119 INFO L175 Difference]: Start difference. First operand has 286 places, 286 transitions, 631 flow. Second operand 6 states and 1905 transitions. [2024-11-16 23:47:16,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 289 transitions, 683 flow [2024-11-16 23:47:16,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 289 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:16,123 INFO L231 Difference]: Finished difference. Result has 290 places, 285 transitions, 641 flow [2024-11-16 23:47:16,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=641, PETRI_PLACES=290, PETRI_TRANSITIONS=285} [2024-11-16 23:47:16,124 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -24 predicate places. [2024-11-16 23:47:16,124 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 285 transitions, 641 flow [2024-11-16 23:47:16,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 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 23:47:16,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:16,125 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] [2024-11-16 23:47:16,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:47:16,125 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:16,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:16,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1419133669, now seen corresponding path program 1 times [2024-11-16 23:47:16,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:16,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708842387] [2024-11-16 23:47:16,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:16,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:16,202 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 23:47:16,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708842387] [2024-11-16 23:47:16,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708842387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:16,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:16,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:47:16,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779453726] [2024-11-16 23:47:16,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:16,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:47:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:16,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:47:16,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:47:16,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 344 [2024-11-16 23:47:16,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 285 transitions, 641 flow. Second operand has 4 states, 4 states have (on average 320.5) internal successors, (1282), 4 states have internal predecessors, (1282), 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 23:47:16,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:16,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 344 [2024-11-16 23:47:16,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:16,403 INFO L124 PetriNetUnfolderBase]: 81/1316 cut-off events. [2024-11-16 23:47:16,404 INFO L125 PetriNetUnfolderBase]: For 36/37 co-relation queries the response was YES. [2024-11-16 23:47:16,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1544 conditions, 1316 events. 81/1316 cut-off events. For 36/37 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6739 event pairs, 10 based on Foata normal form. 0/1188 useless extension candidates. Maximal degree in co-relation 1501. Up to 67 conditions per place. [2024-11-16 23:47:16,409 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 14 selfloop transitions, 7 changer transitions 0/294 dead transitions. [2024-11-16 23:47:16,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 294 transitions, 704 flow [2024-11-16 23:47:16,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:47:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:47:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1617 transitions. [2024-11-16 23:47:16,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9401162790697675 [2024-11-16 23:47:16,412 INFO L175 Difference]: Start difference. First operand has 290 places, 285 transitions, 641 flow. Second operand 5 states and 1617 transitions. [2024-11-16 23:47:16,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 294 transitions, 704 flow [2024-11-16 23:47:16,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 294 transitions, 692 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:47:16,417 INFO L231 Difference]: Finished difference. Result has 292 places, 290 transitions, 675 flow [2024-11-16 23:47:16,418 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=675, PETRI_PLACES=292, PETRI_TRANSITIONS=290} [2024-11-16 23:47:16,419 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -22 predicate places. [2024-11-16 23:47:16,419 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 290 transitions, 675 flow [2024-11-16 23:47:16,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 320.5) internal successors, (1282), 4 states have internal predecessors, (1282), 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 23:47:16,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:16,420 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] [2024-11-16 23:47:16,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:47:16,420 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:16,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:16,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1829180669, now seen corresponding path program 1 times [2024-11-16 23:47:16,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:16,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282145859] [2024-11-16 23:47:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:16,485 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 23:47:16,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:16,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282145859] [2024-11-16 23:47:16,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282145859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:16,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:16,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:47:16,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126200347] [2024-11-16 23:47:16,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:16,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:47:16,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:16,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:47:16,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:47:16,553 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 344 [2024-11-16 23:47:16,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 290 transitions, 675 flow. Second operand has 4 states, 4 states have (on average 320.5) internal successors, (1282), 4 states have internal predecessors, (1282), 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 23:47:16,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:16,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 344 [2024-11-16 23:47:16,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:16,671 INFO L124 PetriNetUnfolderBase]: 78/1313 cut-off events. [2024-11-16 23:47:16,671 INFO L125 PetriNetUnfolderBase]: For 92/93 co-relation queries the response was YES. [2024-11-16 23:47:16,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1596 conditions, 1313 events. 78/1313 cut-off events. For 92/93 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 6715 event pairs, 10 based on Foata normal form. 0/1194 useless extension candidates. Maximal degree in co-relation 1549. Up to 67 conditions per place. [2024-11-16 23:47:16,680 INFO L140 encePairwiseOnDemand]: 337/344 looper letters, 14 selfloop transitions, 7 changer transitions 0/297 dead transitions. [2024-11-16 23:47:16,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 297 transitions, 734 flow [2024-11-16 23:47:16,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:47:16,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:47:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1617 transitions. [2024-11-16 23:47:16,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9401162790697675 [2024-11-16 23:47:16,683 INFO L175 Difference]: Start difference. First operand has 292 places, 290 transitions, 675 flow. Second operand 5 states and 1617 transitions. [2024-11-16 23:47:16,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 297 transitions, 734 flow [2024-11-16 23:47:16,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 297 transitions, 734 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:16,687 INFO L231 Difference]: Finished difference. Result has 299 places, 293 transitions, 713 flow [2024-11-16 23:47:16,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=713, PETRI_PLACES=299, PETRI_TRANSITIONS=293} [2024-11-16 23:47:16,688 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -15 predicate places. [2024-11-16 23:47:16,688 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 293 transitions, 713 flow [2024-11-16 23:47:16,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 320.5) internal successors, (1282), 4 states have internal predecessors, (1282), 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 23:47:16,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:16,689 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] [2024-11-16 23:47:16,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:47:16,690 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:16,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash -343061208, now seen corresponding path program 1 times [2024-11-16 23:47:16,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:16,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230389735] [2024-11-16 23:47:16,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:16,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:16,736 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 23:47:16,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:16,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230389735] [2024-11-16 23:47:16,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230389735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:16,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:16,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:16,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808848396] [2024-11-16 23:47:16,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:16,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:16,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:16,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:16,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:16,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 344 [2024-11-16 23:47:16,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 293 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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 23:47:16,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:16,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 344 [2024-11-16 23:47:16,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:16,874 INFO L124 PetriNetUnfolderBase]: 56/1093 cut-off events. [2024-11-16 23:47:16,875 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-16 23:47:16,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 1093 events. 56/1093 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4998 event pairs, 14 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1327. Up to 41 conditions per place. [2024-11-16 23:47:16,881 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 9 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-16 23:47:16,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 293 transitions, 736 flow [2024-11-16 23:47:16,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-16 23:47:16,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.938953488372093 [2024-11-16 23:47:16,884 INFO L175 Difference]: Start difference. First operand has 299 places, 293 transitions, 713 flow. Second operand 3 states and 969 transitions. [2024-11-16 23:47:16,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 293 transitions, 736 flow [2024-11-16 23:47:16,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 293 transitions, 736 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:16,888 INFO L231 Difference]: Finished difference. Result has 300 places, 292 transitions, 715 flow [2024-11-16 23:47:16,888 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=715, PETRI_PLACES=300, PETRI_TRANSITIONS=292} [2024-11-16 23:47:16,889 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -14 predicate places. [2024-11-16 23:47:16,889 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 292 transitions, 715 flow [2024-11-16 23:47:16,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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 23:47:16,890 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:16,890 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] [2024-11-16 23:47:16,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:47:16,890 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:16,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:16,890 INFO L85 PathProgramCache]: Analyzing trace with hash -855650579, now seen corresponding path program 1 times [2024-11-16 23:47:16,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:16,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436819799] [2024-11-16 23:47:16,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:16,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:17,154 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 23:47:17,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:17,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436819799] [2024-11-16 23:47:17,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436819799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:17,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:17,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:47:17,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330408503] [2024-11-16 23:47:17,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:17,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:47:17,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:17,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:47:17,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:47:17,334 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 344 [2024-11-16 23:47:17,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 292 transitions, 715 flow. Second operand has 6 states, 6 states have (on average 301.6666666666667) internal successors, (1810), 6 states have internal predecessors, (1810), 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 23:47:17,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:17,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 344 [2024-11-16 23:47:17,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:17,466 INFO L124 PetriNetUnfolderBase]: 104/1108 cut-off events. [2024-11-16 23:47:17,466 INFO L125 PetriNetUnfolderBase]: For 165/166 co-relation queries the response was YES. [2024-11-16 23:47:17,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1590 conditions, 1108 events. 104/1108 cut-off events. For 165/166 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5271 event pairs, 12 based on Foata normal form. 0/1040 useless extension candidates. Maximal degree in co-relation 1536. Up to 80 conditions per place. [2024-11-16 23:47:17,475 INFO L140 encePairwiseOnDemand]: 326/344 looper letters, 17 selfloop transitions, 17 changer transitions 0/293 dead transitions. [2024-11-16 23:47:17,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 293 transitions, 789 flow [2024-11-16 23:47:17,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:47:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:47:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1835 transitions. [2024-11-16 23:47:17,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8890503875968992 [2024-11-16 23:47:17,478 INFO L175 Difference]: Start difference. First operand has 300 places, 292 transitions, 715 flow. Second operand 6 states and 1835 transitions. [2024-11-16 23:47:17,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 293 transitions, 789 flow [2024-11-16 23:47:17,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 293 transitions, 785 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:17,482 INFO L231 Difference]: Finished difference. Result has 300 places, 289 transitions, 739 flow [2024-11-16 23:47:17,483 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=739, PETRI_PLACES=300, PETRI_TRANSITIONS=289} [2024-11-16 23:47:17,483 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -14 predicate places. [2024-11-16 23:47:17,483 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 289 transitions, 739 flow [2024-11-16 23:47:17,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.6666666666667) internal successors, (1810), 6 states have internal predecessors, (1810), 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 23:47:17,484 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:17,484 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:47:17,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:47:17,485 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:17,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:17,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1695968558, now seen corresponding path program 1 times [2024-11-16 23:47:17,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:17,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005469619] [2024-11-16 23:47:17,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:17,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:17,510 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 23:47:17,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:17,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005469619] [2024-11-16 23:47:17,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005469619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:17,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:17,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:17,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630155891] [2024-11-16 23:47:17,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:17,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:17,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:17,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:17,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:17,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 344 [2024-11-16 23:47:17,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 289 transitions, 739 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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 23:47:17,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:17,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 344 [2024-11-16 23:47:17,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:17,666 INFO L124 PetriNetUnfolderBase]: 96/1302 cut-off events. [2024-11-16 23:47:17,667 INFO L125 PetriNetUnfolderBase]: For 183/184 co-relation queries the response was YES. [2024-11-16 23:47:17,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1853 conditions, 1302 events. 96/1302 cut-off events. For 183/184 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6784 event pairs, 44 based on Foata normal form. 0/1225 useless extension candidates. Maximal degree in co-relation 1801. Up to 156 conditions per place. [2024-11-16 23:47:17,677 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 17 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-16 23:47:17,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 289 transitions, 778 flow [2024-11-16 23:47:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2024-11-16 23:47:17,679 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9234496124031008 [2024-11-16 23:47:17,679 INFO L175 Difference]: Start difference. First operand has 300 places, 289 transitions, 739 flow. Second operand 3 states and 953 transitions. [2024-11-16 23:47:17,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 289 transitions, 778 flow [2024-11-16 23:47:17,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 289 transitions, 744 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:47:17,683 INFO L231 Difference]: Finished difference. Result has 296 places, 288 transitions, 707 flow [2024-11-16 23:47:17,683 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=707, PETRI_PLACES=296, PETRI_TRANSITIONS=288} [2024-11-16 23:47:17,684 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -18 predicate places. [2024-11-16 23:47:17,684 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 288 transitions, 707 flow [2024-11-16 23:47:17,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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 23:47:17,685 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:17,685 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] [2024-11-16 23:47:17,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:47:17,685 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:17,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:17,685 INFO L85 PathProgramCache]: Analyzing trace with hash 2126765231, now seen corresponding path program 1 times [2024-11-16 23:47:17,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:17,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657620292] [2024-11-16 23:47:17,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:17,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:47:17,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:17,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657620292] [2024-11-16 23:47:17,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657620292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:17,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:17,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:17,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156290443] [2024-11-16 23:47:17,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:17,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:17,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:17,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:17,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:17,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 344 [2024-11-16 23:47:17,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 288 transitions, 707 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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 23:47:17,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:17,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 344 [2024-11-16 23:47:17,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:17,852 INFO L124 PetriNetUnfolderBase]: 92/1207 cut-off events. [2024-11-16 23:47:17,852 INFO L125 PetriNetUnfolderBase]: For 139/140 co-relation queries the response was YES. [2024-11-16 23:47:17,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1617 conditions, 1207 events. 92/1207 cut-off events. For 139/140 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6050 event pairs, 44 based on Foata normal form. 0/1135 useless extension candidates. Maximal degree in co-relation 1565. Up to 154 conditions per place. [2024-11-16 23:47:17,861 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 16 selfloop transitions, 2 changer transitions 1/288 dead transitions. [2024-11-16 23:47:17,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 288 transitions, 746 flow [2024-11-16 23:47:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2024-11-16 23:47:17,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9234496124031008 [2024-11-16 23:47:17,863 INFO L175 Difference]: Start difference. First operand has 296 places, 288 transitions, 707 flow. Second operand 3 states and 953 transitions. [2024-11-16 23:47:17,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 288 transitions, 746 flow [2024-11-16 23:47:17,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 288 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:17,867 INFO L231 Difference]: Finished difference. Result has 295 places, 287 transitions, 705 flow [2024-11-16 23:47:17,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=705, PETRI_PLACES=295, PETRI_TRANSITIONS=287} [2024-11-16 23:47:17,867 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -19 predicate places. [2024-11-16 23:47:17,867 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 287 transitions, 705 flow [2024-11-16 23:47:17,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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 23:47:17,868 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:17,868 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] [2024-11-16 23:47:17,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:47:17,868 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-16 23:47:17,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:17,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1621912650, now seen corresponding path program 1 times [2024-11-16 23:47:17,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:17,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737422233] [2024-11-16 23:47:17,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:17,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:47:17,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:17,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737422233] [2024-11-16 23:47:17,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737422233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:17,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:17,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:17,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837432438] [2024-11-16 23:47:17,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:17,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:17,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:17,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 344 [2024-11-16 23:47:17,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 287 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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 23:47:17,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:17,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 344 [2024-11-16 23:47:17,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:18,050 INFO L124 PetriNetUnfolderBase]: 95/1260 cut-off events. [2024-11-16 23:47:18,051 INFO L125 PetriNetUnfolderBase]: For 143/144 co-relation queries the response was YES. [2024-11-16 23:47:18,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1688 conditions, 1260 events. 95/1260 cut-off events. For 143/144 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6468 event pairs, 44 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 1636. Up to 156 conditions per place. [2024-11-16 23:47:18,057 INFO L140 encePairwiseOnDemand]: 341/344 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-11-16 23:47:18,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 287 transitions, 744 flow [2024-11-16 23:47:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2024-11-16 23:47:18,059 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9234496124031008 [2024-11-16 23:47:18,059 INFO L175 Difference]: Start difference. First operand has 295 places, 287 transitions, 705 flow. Second operand 3 states and 953 transitions. [2024-11-16 23:47:18,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 287 transitions, 744 flow [2024-11-16 23:47:18,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 287 transitions, 740 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:18,062 INFO L231 Difference]: Finished difference. Result has 294 places, 0 transitions, 0 flow [2024-11-16 23:47:18,062 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=294, PETRI_TRANSITIONS=0} [2024-11-16 23:47:18,062 INFO L277 CegarLoopForPetriNet]: 314 programPoint places, -20 predicate places. [2024-11-16 23:47:18,062 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 0 transitions, 0 flow [2024-11-16 23:47:18,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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 23:47:18,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2024-11-16 23:47:18,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2024-11-16 23:47:18,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 72 remaining) [2024-11-16 23:47:18,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (28 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2024-11-16 23:47:18,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2024-11-16 23:47:18,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2024-11-16 23:47:18,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2024-11-16 23:47:18,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:47:18,071 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:47:18,075 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:47:18,075 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:47:18,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:47:18 BasicIcfg [2024-11-16 23:47:18,079 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:47:18,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:47:18,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:47:18,079 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:47:18,080 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:47:12" (3/4) ... [2024-11-16 23:47:18,081 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:47:18,083 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:47:18,083 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:47:18,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-16 23:47:18,086 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:47:18,087 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:47:18,087 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:47:18,161 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:47:18,161 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:47:18,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:47:18,161 INFO L158 Benchmark]: Toolchain (without parser) took 6413.23ms. Allocated memory was 163.6MB in the beginning and 308.3MB in the end (delta: 144.7MB). Free memory was 124.4MB in the beginning and 166.8MB in the end (delta: -42.4MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. [2024-11-16 23:47:18,162 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:47:18,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.31ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 110.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:47:18,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.35ms. Allocated memory is still 163.6MB. Free memory was 110.1MB in the beginning and 107.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:47:18,162 INFO L158 Benchmark]: Boogie Preprocessor took 34.76ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 105.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:47:18,162 INFO L158 Benchmark]: IcfgBuilder took 579.39ms. Allocated memory is still 163.6MB. Free memory was 105.1MB in the beginning and 112.7MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-16 23:47:18,163 INFO L158 Benchmark]: TraceAbstraction took 5389.71ms. Allocated memory was 163.6MB in the beginning and 308.3MB in the end (delta: 144.7MB). Free memory was 111.9MB in the beginning and 172.0MB in the end (delta: -60.1MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2024-11-16 23:47:18,163 INFO L158 Benchmark]: Witness Printer took 81.98ms. Allocated memory is still 308.3MB. Free memory was 172.0MB in the beginning and 166.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:47:18,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.31ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 110.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.35ms. Allocated memory is still 163.6MB. Free memory was 110.1MB in the beginning and 107.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.76ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 105.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 579.39ms. Allocated memory is still 163.6MB. Free memory was 105.1MB in the beginning and 112.7MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5389.71ms. Allocated memory was 163.6MB in the beginning and 308.3MB in the end (delta: 144.7MB). Free memory was 111.9MB in the beginning and 172.0MB in the end (delta: -60.1MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. * Witness Printer took 81.98ms. Allocated memory is still 308.3MB. Free memory was 172.0MB in the beginning and 166.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 522 locations, 72 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1141 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 529 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 216 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1362 IncrementalHoareTripleChecker+Invalid, 1578 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 216 mSolverCounterUnsat, 93 mSDtfsCounter, 1362 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=739occurred in iteration=15, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1617 NumberOfCodeBlocks, 1617 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1599 ConstructedInterpolants, 0 QuantifiedInterpolants, 2456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:47:18,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE