./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/unroll-cond-3.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-3.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 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:47:11,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:47:11,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:47:11,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:47:11,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:47:11,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:47:11,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:47:11,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:47:11,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:47:11,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:47:11,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:47:11,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:47:11,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:47:11,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:47:11,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:47:11,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:47:11,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:47:11,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:47:11,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:47:11,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:47:11,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:47:11,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:47:11,311 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:47:11,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:47:11,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:47:11,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:47:11,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:47:11,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:47:11,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:47:11,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:47:11,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:47:11,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:47:11,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:47:11,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:47:11,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:47:11,314 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:47:11,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:47:11,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:47:11,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:47:11,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:47:11,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:47:11,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 [2024-11-16 23:47:11,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:47:11,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:47:11,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:47:11,575 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:47:11,576 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:47:11,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2024-11-16 23:47:13,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:47:13,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:47:13,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2024-11-16 23:47:13,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7867c398/a92ec77661ad473c97ad1249fda25fdc/FLAGef8bb9592 [2024-11-16 23:47:13,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7867c398/a92ec77661ad473c97ad1249fda25fdc [2024-11-16 23:47:13,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:47:13,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:47:13,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:47:13,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:47:13,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:47:13,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560de0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13, skipping insertion in model container [2024-11-16 23:47:13,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:47:13,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:47:13,613 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:47:13,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:47:13,669 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:47:13,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13 WrapperNode [2024-11-16 23:47:13,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:47:13,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:47:13,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:47:13,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:47:13,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,727 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 327 [2024-11-16 23:47:13,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:47:13,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:47:13,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:47:13,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:47:13,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,773 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:47:13,782 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:47:13,782 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:47:13,782 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:47:13,783 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (1/1) ... [2024-11-16 23:47:13,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:47:13,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:47:13,824 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 23:47:13,826 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 23:47:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:47:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:47:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:47:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:47:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:47:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:47:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:47:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:47:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:47:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:47:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:47:13,874 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 23:47:13,977 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:47:13,978 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:47:14,592 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:47:14,592 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:47:14,625 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:47:14,625 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:47:14,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:47:14 BoogieIcfgContainer [2024-11-16 23:47:14,626 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:47:14,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:47:14,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:47:14,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:47:14,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:47:13" (1/3) ... [2024-11-16 23:47:14,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb5e9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:47:14, skipping insertion in model container [2024-11-16 23:47:14,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:13" (2/3) ... [2024-11-16 23:47:14,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb5e9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:47:14, skipping insertion in model container [2024-11-16 23:47:14,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:47:14" (3/3) ... [2024-11-16 23:47:14,633 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2024-11-16 23:47:14,646 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:47:14,646 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2024-11-16 23:47:14,647 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:47:14,793 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:47:14,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 422 places, 439 transitions, 892 flow [2024-11-16 23:47:15,058 INFO L124 PetriNetUnfolderBase]: 24/437 cut-off events. [2024-11-16 23:47:15,059 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:47:15,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 437 events. 24/437 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1116 event pairs, 0 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 310. Up to 2 conditions per place. [2024-11-16 23:47:15,070 INFO L82 GeneralOperation]: Start removeDead. Operand has 422 places, 439 transitions, 892 flow [2024-11-16 23:47:15,078 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 404 places, 420 transitions, 852 flow [2024-11-16 23:47:15,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:47:15,099 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;@47e912c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:47:15,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-16 23:47:15,103 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:47:15,104 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-16 23:47:15,104 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:47:15,104 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:15,105 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 23:47:15,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:15,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:15,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1493990070, now seen corresponding path program 1 times [2024-11-16 23:47:15,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:15,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767485023] [2024-11-16 23:47:15,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:15,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:15,300 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 23:47:15,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:15,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767485023] [2024-11-16 23:47:15,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767485023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:15,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:15,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:15,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15556051] [2024-11-16 23:47:15,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:15,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:15,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:15,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:15,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:15,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 439 [2024-11-16 23:47:15,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 420 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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 23:47:15,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:15,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 439 [2024-11-16 23:47:15,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:15,532 INFO L124 PetriNetUnfolderBase]: 26/625 cut-off events. [2024-11-16 23:47:15,533 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-16 23:47:15,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 625 events. 26/625 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2624 event pairs, 7 based on Foata normal form. 14/522 useless extension candidates. Maximal degree in co-relation 533. Up to 30 conditions per place. [2024-11-16 23:47:15,547 INFO L140 encePairwiseOnDemand]: 424/439 looper letters, 11 selfloop transitions, 2 changer transitions 3/407 dead transitions. [2024-11-16 23:47:15,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 407 transitions, 852 flow [2024-11-16 23:47:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1256 transitions. [2024-11-16 23:47:15,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9536826119969628 [2024-11-16 23:47:15,571 INFO L175 Difference]: Start difference. First operand has 404 places, 420 transitions, 852 flow. Second operand 3 states and 1256 transitions. [2024-11-16 23:47:15,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 407 transitions, 852 flow [2024-11-16 23:47:15,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 407 transitions, 844 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-16 23:47:15,589 INFO L231 Difference]: Finished difference. Result has 401 places, 404 transitions, 816 flow [2024-11-16 23:47:15,592 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=401, PETRI_TRANSITIONS=404} [2024-11-16 23:47:15,597 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -3 predicate places. [2024-11-16 23:47:15,597 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 404 transitions, 816 flow [2024-11-16 23:47:15,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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 23:47:15,599 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:15,599 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 23:47:15,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:47:15,600 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:15,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:15,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1830530957, now seen corresponding path program 1 times [2024-11-16 23:47:15,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:15,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358777690] [2024-11-16 23:47:15,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:15,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:15,652 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 23:47:15,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:15,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358777690] [2024-11-16 23:47:15,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358777690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:15,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:15,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:15,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528152708] [2024-11-16 23:47:15,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:15,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:15,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:15,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:15,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:15,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 439 [2024-11-16 23:47:15,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 404 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:47:15,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:15,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 439 [2024-11-16 23:47:15,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:15,849 INFO L124 PetriNetUnfolderBase]: 30/661 cut-off events. [2024-11-16 23:47:15,849 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-16 23:47:15,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 661 events. 30/661 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2647 event pairs, 11 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 680. Up to 38 conditions per place. [2024-11-16 23:47:15,856 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 15 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-11-16 23:47:15,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 403 transitions, 848 flow [2024-11-16 23:47:15,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2024-11-16 23:47:15,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9384965831435079 [2024-11-16 23:47:15,863 INFO L175 Difference]: Start difference. First operand has 401 places, 404 transitions, 816 flow. Second operand 3 states and 1236 transitions. [2024-11-16 23:47:15,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 403 transitions, 848 flow [2024-11-16 23:47:15,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 403 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:15,873 INFO L231 Difference]: Finished difference. Result has 397 places, 403 transitions, 814 flow [2024-11-16 23:47:15,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=397, PETRI_TRANSITIONS=403} [2024-11-16 23:47:15,875 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -7 predicate places. [2024-11-16 23:47:15,875 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 403 transitions, 814 flow [2024-11-16 23:47:15,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:47:15,876 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:15,877 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 23:47:15,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:47:15,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:15,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:15,879 INFO L85 PathProgramCache]: Analyzing trace with hash 307940182, now seen corresponding path program 1 times [2024-11-16 23:47:15,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:15,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800294630] [2024-11-16 23:47:15,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:15,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:15,946 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 23:47:15,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:15,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800294630] [2024-11-16 23:47:15,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800294630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:15,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:15,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:15,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045414615] [2024-11-16 23:47:15,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:15,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:15,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:15,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:15,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:16,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 439 [2024-11-16 23:47:16,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 403 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 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 23:47:16,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:16,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 439 [2024-11-16 23:47:16,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:16,308 INFO L124 PetriNetUnfolderBase]: 104/1450 cut-off events. [2024-11-16 23:47:16,309 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-11-16 23:47:16,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1577 conditions, 1450 events. 104/1450 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8416 event pairs, 32 based on Foata normal form. 0/1171 useless extension candidates. Maximal degree in co-relation 1541. Up to 117 conditions per place. [2024-11-16 23:47:16,326 INFO L140 encePairwiseOnDemand]: 430/439 looper letters, 20 selfloop transitions, 1 changer transitions 0/395 dead transitions. [2024-11-16 23:47:16,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 395 transitions, 840 flow [2024-11-16 23:47:16,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2024-11-16 23:47:16,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9240698557327259 [2024-11-16 23:47:16,330 INFO L175 Difference]: Start difference. First operand has 397 places, 403 transitions, 814 flow. Second operand 3 states and 1217 transitions. [2024-11-16 23:47:16,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 395 transitions, 840 flow [2024-11-16 23:47:16,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 395 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:16,338 INFO L231 Difference]: Finished difference. Result has 389 places, 395 transitions, 796 flow [2024-11-16 23:47:16,338 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=389, PETRI_TRANSITIONS=395} [2024-11-16 23:47:16,340 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -15 predicate places. [2024-11-16 23:47:16,340 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 395 transitions, 796 flow [2024-11-16 23:47:16,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 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 23:47:16,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:16,342 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 23:47:16,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:47:16,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:16,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:16,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1343966708, now seen corresponding path program 1 times [2024-11-16 23:47:16,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:16,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489458903] [2024-11-16 23:47:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:16,968 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 23:47:16,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:16,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489458903] [2024-11-16 23:47:16,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489458903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:16,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:16,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:47:16,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948469760] [2024-11-16 23:47:16,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:16,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:47:16,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:16,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:47:16,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:47:17,196 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 439 [2024-11-16 23:47:17,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 395 transitions, 796 flow. Second operand has 6 states, 6 states have (on average 384.5) internal successors, (2307), 6 states have internal predecessors, (2307), 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 23:47:17,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:17,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 439 [2024-11-16 23:47:17,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:17,512 INFO L124 PetriNetUnfolderBase]: 210/1905 cut-off events. [2024-11-16 23:47:17,512 INFO L125 PetriNetUnfolderBase]: For 44/45 co-relation queries the response was YES. [2024-11-16 23:47:17,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2219 conditions, 1905 events. 210/1905 cut-off events. For 44/45 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11852 event pairs, 104 based on Foata normal form. 0/1545 useless extension candidates. Maximal degree in co-relation 2184. Up to 300 conditions per place. [2024-11-16 23:47:17,530 INFO L140 encePairwiseOnDemand]: 433/439 looper letters, 36 selfloop transitions, 5 changer transitions 0/394 dead transitions. [2024-11-16 23:47:17,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 394 transitions, 876 flow [2024-11-16 23:47:17,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:47:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:47:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2340 transitions. [2024-11-16 23:47:17,535 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8883826879271071 [2024-11-16 23:47:17,535 INFO L175 Difference]: Start difference. First operand has 389 places, 395 transitions, 796 flow. Second operand 6 states and 2340 transitions. [2024-11-16 23:47:17,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 394 transitions, 876 flow [2024-11-16 23:47:17,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 394 transitions, 875 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:47:17,542 INFO L231 Difference]: Finished difference. Result has 392 places, 394 transitions, 803 flow [2024-11-16 23:47:17,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=803, PETRI_PLACES=392, PETRI_TRANSITIONS=394} [2024-11-16 23:47:17,544 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -12 predicate places. [2024-11-16 23:47:17,544 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 394 transitions, 803 flow [2024-11-16 23:47:17,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 384.5) internal successors, (2307), 6 states have internal predecessors, (2307), 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 23:47:17,546 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:17,546 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 23:47:17,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:47:17,547 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:17,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:17,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1245450575, now seen corresponding path program 1 times [2024-11-16 23:47:17,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:17,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705725440] [2024-11-16 23:47:17,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:17,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:17,586 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 23:47:17,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:17,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705725440] [2024-11-16 23:47:17,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705725440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:17,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:17,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:17,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147209012] [2024-11-16 23:47:17,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:17,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:17,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:17,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:17,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:17,638 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 439 [2024-11-16 23:47:17,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 394 transitions, 803 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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 23:47:17,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:17,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 439 [2024-11-16 23:47:17,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:17,708 INFO L124 PetriNetUnfolderBase]: 30/646 cut-off events. [2024-11-16 23:47:17,709 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-16 23:47:17,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 646 events. 30/646 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2520 event pairs, 11 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 677. Up to 36 conditions per place. [2024-11-16 23:47:17,716 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 13 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-11-16 23:47:17,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 393 transitions, 831 flow [2024-11-16 23:47:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:17,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions. [2024-11-16 23:47:17,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9415337889141989 [2024-11-16 23:47:17,719 INFO L175 Difference]: Start difference. First operand has 392 places, 394 transitions, 803 flow. Second operand 3 states and 1240 transitions. [2024-11-16 23:47:17,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 393 transitions, 831 flow [2024-11-16 23:47:17,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 393 transitions, 821 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:47:17,726 INFO L231 Difference]: Finished difference. Result has 388 places, 393 transitions, 795 flow [2024-11-16 23:47:17,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=388, PETRI_TRANSITIONS=393} [2024-11-16 23:47:17,727 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -16 predicate places. [2024-11-16 23:47:17,727 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 393 transitions, 795 flow [2024-11-16 23:47:17,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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 23:47:17,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:17,729 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 23:47:17,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:47:17,729 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:17,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:17,729 INFO L85 PathProgramCache]: Analyzing trace with hash 488174192, now seen corresponding path program 1 times [2024-11-16 23:47:17,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:17,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423488830] [2024-11-16 23:47:17,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:17,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:17,760 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 23:47:17,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:17,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423488830] [2024-11-16 23:47:17,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423488830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:17,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:17,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:17,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601204804] [2024-11-16 23:47:17,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:17,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:17,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:17,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:17,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:17,780 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 439 [2024-11-16 23:47:17,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 393 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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 23:47:17,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:17,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 439 [2024-11-16 23:47:17,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:17,892 INFO L124 PetriNetUnfolderBase]: 64/1207 cut-off events. [2024-11-16 23:47:17,892 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-16 23:47:17,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1281 conditions, 1207 events. 64/1207 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6905 event pairs, 13 based on Foata normal form. 0/998 useless extension candidates. Maximal degree in co-relation 1245. Up to 61 conditions per place. [2024-11-16 23:47:17,902 INFO L140 encePairwiseOnDemand]: 433/439 looper letters, 14 selfloop transitions, 2 changer transitions 0/392 dead transitions. [2024-11-16 23:47:17,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 392 transitions, 826 flow [2024-11-16 23:47:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1244 transitions. [2024-11-16 23:47:17,905 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9445709946848899 [2024-11-16 23:47:17,905 INFO L175 Difference]: Start difference. First operand has 388 places, 393 transitions, 795 flow. Second operand 3 states and 1244 transitions. [2024-11-16 23:47:17,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 392 transitions, 826 flow [2024-11-16 23:47:17,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 392 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:17,914 INFO L231 Difference]: Finished difference. Result has 385 places, 391 transitions, 797 flow [2024-11-16 23:47:17,915 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=385, PETRI_TRANSITIONS=391} [2024-11-16 23:47:17,915 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -19 predicate places. [2024-11-16 23:47:17,915 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 391 transitions, 797 flow [2024-11-16 23:47:17,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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 23:47:17,917 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:17,917 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 23:47:17,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:47:17,917 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:17,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:17,918 INFO L85 PathProgramCache]: Analyzing trace with hash 438937703, now seen corresponding path program 1 times [2024-11-16 23:47:17,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:17,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875556145] [2024-11-16 23:47:17,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:17,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:17,950 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 23:47:17,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:17,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875556145] [2024-11-16 23:47:17,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875556145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:17,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:17,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:17,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165556419] [2024-11-16 23:47:17,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:17,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:17,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:17,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:17,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:17,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 439 [2024-11-16 23:47:17,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 391 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 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 23:47:17,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:17,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 439 [2024-11-16 23:47:17,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:18,049 INFO L124 PetriNetUnfolderBase]: 32/675 cut-off events. [2024-11-16 23:47:18,049 INFO L125 PetriNetUnfolderBase]: For 3/8 co-relation queries the response was YES. [2024-11-16 23:47:18,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 675 events. 32/675 cut-off events. For 3/8 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2695 event pairs, 1 based on Foata normal form. 1/576 useless extension candidates. Maximal degree in co-relation 694. Up to 21 conditions per place. [2024-11-16 23:47:18,054 INFO L140 encePairwiseOnDemand]: 432/439 looper letters, 11 selfloop transitions, 3 changer transitions 0/388 dead transitions. [2024-11-16 23:47:18,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 388 transitions, 820 flow [2024-11-16 23:47:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2024-11-16 23:47:18,058 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430523917995444 [2024-11-16 23:47:18,058 INFO L175 Difference]: Start difference. First operand has 385 places, 391 transitions, 797 flow. Second operand 3 states and 1242 transitions. [2024-11-16 23:47:18,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 388 transitions, 820 flow [2024-11-16 23:47:18,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 388 transitions, 820 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:18,065 INFO L231 Difference]: Finished difference. Result has 383 places, 387 transitions, 795 flow [2024-11-16 23:47:18,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=383, PETRI_TRANSITIONS=387} [2024-11-16 23:47:18,066 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -21 predicate places. [2024-11-16 23:47:18,067 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 387 transitions, 795 flow [2024-11-16 23:47:18,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 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 23:47:18,068 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:18,068 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 23:47:18,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:47:18,069 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err36ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:18,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:18,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1891043538, now seen corresponding path program 1 times [2024-11-16 23:47:18,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:18,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064170378] [2024-11-16 23:47:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:18,112 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 23:47:18,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:18,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064170378] [2024-11-16 23:47:18,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064170378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:18,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:18,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:18,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385079438] [2024-11-16 23:47:18,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:18,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:18,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:18,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:18,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:18,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 439 [2024-11-16 23:47:18,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 387 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 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 23:47:18,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:18,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 439 [2024-11-16 23:47:18,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:18,293 INFO L124 PetriNetUnfolderBase]: 61/788 cut-off events. [2024-11-16 23:47:18,293 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-11-16 23:47:18,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 788 events. 61/788 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3746 event pairs, 5 based on Foata normal form. 1/703 useless extension candidates. Maximal degree in co-relation 917. Up to 121 conditions per place. [2024-11-16 23:47:18,304 INFO L140 encePairwiseOnDemand]: 412/439 looper letters, 29 selfloop transitions, 10 changer transitions 4/372 dead transitions. [2024-11-16 23:47:18,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 372 transitions, 848 flow [2024-11-16 23:47:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1161 transitions. [2024-11-16 23:47:18,307 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8815489749430524 [2024-11-16 23:47:18,307 INFO L175 Difference]: Start difference. First operand has 383 places, 387 transitions, 795 flow. Second operand 3 states and 1161 transitions. [2024-11-16 23:47:18,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 372 transitions, 848 flow [2024-11-16 23:47:18,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 372 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:18,313 INFO L231 Difference]: Finished difference. Result has 367 places, 367 transitions, 768 flow [2024-11-16 23:47:18,314 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=757, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=768, PETRI_PLACES=367, PETRI_TRANSITIONS=367} [2024-11-16 23:47:18,317 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -37 predicate places. [2024-11-16 23:47:18,317 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 367 transitions, 768 flow [2024-11-16 23:47:18,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 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 23:47:18,318 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:18,319 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 23:47:18,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:47:18,319 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:18,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:18,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1636778563, now seen corresponding path program 1 times [2024-11-16 23:47:18,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:18,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681595233] [2024-11-16 23:47:18,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:18,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:18,361 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 23:47:18,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:18,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681595233] [2024-11-16 23:47:18,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681595233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:18,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:18,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:18,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981898054] [2024-11-16 23:47:18,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:18,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:18,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:18,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:18,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:18,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 439 [2024-11-16 23:47:18,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 367 transitions, 768 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:47:18,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:18,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 439 [2024-11-16 23:47:18,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:18,551 INFO L124 PetriNetUnfolderBase]: 104/1517 cut-off events. [2024-11-16 23:47:18,551 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-16 23:47:18,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1712 conditions, 1517 events. 104/1517 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8915 event pairs, 11 based on Foata normal form. 0/1354 useless extension candidates. Maximal degree in co-relation 1676. Up to 106 conditions per place. [2024-11-16 23:47:18,561 INFO L140 encePairwiseOnDemand]: 429/439 looper letters, 18 selfloop transitions, 4 changer transitions 0/367 dead transitions. [2024-11-16 23:47:18,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 367 transitions, 814 flow [2024-11-16 23:47:18,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-11-16 23:47:18,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9369779802581625 [2024-11-16 23:47:18,565 INFO L175 Difference]: Start difference. First operand has 367 places, 367 transitions, 768 flow. Second operand 3 states and 1234 transitions. [2024-11-16 23:47:18,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 367 transitions, 814 flow [2024-11-16 23:47:18,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 367 transitions, 794 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:18,573 INFO L231 Difference]: Finished difference. Result has 358 places, 365 transitions, 764 flow [2024-11-16 23:47:18,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=358, PETRI_TRANSITIONS=365} [2024-11-16 23:47:18,575 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -46 predicate places. [2024-11-16 23:47:18,575 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 365 transitions, 764 flow [2024-11-16 23:47:18,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:47:18,576 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:18,576 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 23:47:18,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:47:18,578 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:18,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:18,578 INFO L85 PathProgramCache]: Analyzing trace with hash 14727585, now seen corresponding path program 1 times [2024-11-16 23:47:18,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:18,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731719105] [2024-11-16 23:47:18,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:18,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:18,679 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 23:47:18,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:18,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731719105] [2024-11-16 23:47:18,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731719105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:18,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:18,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:47:18,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459879593] [2024-11-16 23:47:18,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:18,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:47:18,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:18,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:47:18,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:47:18,712 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 439 [2024-11-16 23:47:18,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 365 transitions, 764 flow. Second operand has 4 states, 4 states have (on average 415.25) internal successors, (1661), 4 states have internal predecessors, (1661), 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 23:47:18,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:18,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 439 [2024-11-16 23:47:18,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:18,920 INFO L124 PetriNetUnfolderBase]: 97/1875 cut-off events. [2024-11-16 23:47:18,921 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:47:18,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2011 conditions, 1875 events. 97/1875 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11572 event pairs, 6 based on Foata normal form. 0/1674 useless extension candidates. Maximal degree in co-relation 1974. Up to 45 conditions per place. [2024-11-16 23:47:18,939 INFO L140 encePairwiseOnDemand]: 433/439 looper letters, 13 selfloop transitions, 6 changer transitions 0/374 dead transitions. [2024-11-16 23:47:18,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 374 transitions, 824 flow [2024-11-16 23:47:18,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:47:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:47:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2090 transitions. [2024-11-16 23:47:18,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9521640091116174 [2024-11-16 23:47:18,944 INFO L175 Difference]: Start difference. First operand has 358 places, 365 transitions, 764 flow. Second operand 5 states and 2090 transitions. [2024-11-16 23:47:18,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 374 transitions, 824 flow [2024-11-16 23:47:18,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 374 transitions, 824 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:18,950 INFO L231 Difference]: Finished difference. Result has 365 places, 369 transitions, 802 flow [2024-11-16 23:47:18,951 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=802, PETRI_PLACES=365, PETRI_TRANSITIONS=369} [2024-11-16 23:47:18,952 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -39 predicate places. [2024-11-16 23:47:18,953 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 369 transitions, 802 flow [2024-11-16 23:47:18,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 415.25) internal successors, (1661), 4 states have internal predecessors, (1661), 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 23:47:18,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:18,954 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 23:47:18,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:47:18,955 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:18,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:18,955 INFO L85 PathProgramCache]: Analyzing trace with hash -84515091, now seen corresponding path program 1 times [2024-11-16 23:47:18,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953824566] [2024-11-16 23:47:18,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:19,361 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 23:47:19,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:19,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953824566] [2024-11-16 23:47:19,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953824566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:19,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:19,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:47:19,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14996102] [2024-11-16 23:47:19,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:19,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:47:19,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:19,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:47:19,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:47:19,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 439 [2024-11-16 23:47:19,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 369 transitions, 802 flow. Second operand has 6 states, 6 states have (on average 408.5) internal successors, (2451), 6 states have internal predecessors, (2451), 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 23:47:19,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:19,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 439 [2024-11-16 23:47:19,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:19,913 INFO L124 PetriNetUnfolderBase]: 79/1444 cut-off events. [2024-11-16 23:47:19,913 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-16 23:47:19,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1607 conditions, 1444 events. 79/1444 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7982 event pairs, 5 based on Foata normal form. 0/1300 useless extension candidates. Maximal degree in co-relation 1564. Up to 35 conditions per place. [2024-11-16 23:47:19,927 INFO L140 encePairwiseOnDemand]: 433/439 looper letters, 15 selfloop transitions, 6 changer transitions 0/372 dead transitions. [2024-11-16 23:47:19,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 372 transitions, 854 flow [2024-11-16 23:47:19,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:47:19,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:47:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2463 transitions. [2024-11-16 23:47:19,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9350797266514806 [2024-11-16 23:47:19,933 INFO L175 Difference]: Start difference. First operand has 365 places, 369 transitions, 802 flow. Second operand 6 states and 2463 transitions. [2024-11-16 23:47:19,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 372 transitions, 854 flow [2024-11-16 23:47:19,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 372 transitions, 854 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:19,940 INFO L231 Difference]: Finished difference. Result has 369 places, 368 transitions, 812 flow [2024-11-16 23:47:19,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=812, PETRI_PLACES=369, PETRI_TRANSITIONS=368} [2024-11-16 23:47:19,941 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -35 predicate places. [2024-11-16 23:47:19,941 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 368 transitions, 812 flow [2024-11-16 23:47:19,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 408.5) internal successors, (2451), 6 states have internal predecessors, (2451), 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 23:47:19,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:19,943 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 23:47:19,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:47:19,943 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err31ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:19,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:19,944 INFO L85 PathProgramCache]: Analyzing trace with hash 300804055, now seen corresponding path program 1 times [2024-11-16 23:47:19,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:19,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666210157] [2024-11-16 23:47:19,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:19,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:20,044 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 23:47:20,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:20,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666210157] [2024-11-16 23:47:20,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666210157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:20,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:20,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:47:20,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959024315] [2024-11-16 23:47:20,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:20,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:47:20,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:20,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:47:20,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:47:20,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 439 [2024-11-16 23:47:20,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 368 transitions, 812 flow. Second operand has 4 states, 4 states have (on average 411.5) internal successors, (1646), 4 states have internal predecessors, (1646), 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 23:47:20,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:20,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 439 [2024-11-16 23:47:20,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:20,387 INFO L124 PetriNetUnfolderBase]: 118/1974 cut-off events. [2024-11-16 23:47:20,387 INFO L125 PetriNetUnfolderBase]: For 42/43 co-relation queries the response was YES. [2024-11-16 23:47:20,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2256 conditions, 1974 events. 118/1974 cut-off events. For 42/43 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 11507 event pairs, 12 based on Foata normal form. 0/1773 useless extension candidates. Maximal degree in co-relation 2213. Up to 89 conditions per place. [2024-11-16 23:47:20,401 INFO L140 encePairwiseOnDemand]: 431/439 looper letters, 16 selfloop transitions, 8 changer transitions 0/378 dead transitions. [2024-11-16 23:47:20,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 378 transitions, 883 flow [2024-11-16 23:47:20,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:47:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:47:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2075 transitions. [2024-11-16 23:47:20,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453302961275627 [2024-11-16 23:47:20,406 INFO L175 Difference]: Start difference. First operand has 369 places, 368 transitions, 812 flow. Second operand 5 states and 2075 transitions. [2024-11-16 23:47:20,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 378 transitions, 883 flow [2024-11-16 23:47:20,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 378 transitions, 871 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:47:20,413 INFO L231 Difference]: Finished difference. Result has 371 places, 374 transitions, 854 flow [2024-11-16 23:47:20,413 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=854, PETRI_PLACES=371, PETRI_TRANSITIONS=374} [2024-11-16 23:47:20,414 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -33 predicate places. [2024-11-16 23:47:20,414 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 374 transitions, 854 flow [2024-11-16 23:47:20,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 411.5) internal successors, (1646), 4 states have internal predecessors, (1646), 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 23:47:20,415 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:20,415 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 23:47:20,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:47:20,415 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:20,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:20,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2078977378, now seen corresponding path program 1 times [2024-11-16 23:47:20,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:20,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848852657] [2024-11-16 23:47:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:20,496 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 23:47:20,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:20,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848852657] [2024-11-16 23:47:20,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848852657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:20,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:20,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 23:47:20,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115030823] [2024-11-16 23:47:20,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:20,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 23:47:20,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:20,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 23:47:20,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 23:47:20,617 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 439 [2024-11-16 23:47:20,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 374 transitions, 854 flow. Second operand has 4 states, 4 states have (on average 411.5) internal successors, (1646), 4 states have internal predecessors, (1646), 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 23:47:20,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:20,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 439 [2024-11-16 23:47:20,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:20,890 INFO L124 PetriNetUnfolderBase]: 115/1971 cut-off events. [2024-11-16 23:47:20,890 INFO L125 PetriNetUnfolderBase]: For 120/121 co-relation queries the response was YES. [2024-11-16 23:47:20,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2316 conditions, 1971 events. 115/1971 cut-off events. For 120/121 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 11505 event pairs, 12 based on Foata normal form. 0/1779 useless extension candidates. Maximal degree in co-relation 2269. Up to 89 conditions per place. [2024-11-16 23:47:20,900 INFO L140 encePairwiseOnDemand]: 431/439 looper letters, 16 selfloop transitions, 8 changer transitions 0/381 dead transitions. [2024-11-16 23:47:20,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 381 transitions, 919 flow [2024-11-16 23:47:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:47:20,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:47:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2075 transitions. [2024-11-16 23:47:20,905 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453302961275627 [2024-11-16 23:47:20,906 INFO L175 Difference]: Start difference. First operand has 371 places, 374 transitions, 854 flow. Second operand 5 states and 2075 transitions. [2024-11-16 23:47:20,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 381 transitions, 919 flow [2024-11-16 23:47:20,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 381 transitions, 919 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:20,912 INFO L231 Difference]: Finished difference. Result has 378 places, 377 transitions, 896 flow [2024-11-16 23:47:20,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=896, PETRI_PLACES=378, PETRI_TRANSITIONS=377} [2024-11-16 23:47:20,913 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -26 predicate places. [2024-11-16 23:47:20,913 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 377 transitions, 896 flow [2024-11-16 23:47:20,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 411.5) internal successors, (1646), 4 states have internal predecessors, (1646), 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 23:47:20,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:20,915 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 23:47:20,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:47:20,915 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:20,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:20,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1006744367, now seen corresponding path program 1 times [2024-11-16 23:47:20,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:20,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849158813] [2024-11-16 23:47:20,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:20,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:20,949 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 23:47:20,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:20,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849158813] [2024-11-16 23:47:20,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849158813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:20,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:20,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:20,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530406527] [2024-11-16 23:47:20,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:20,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:20,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:20,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:20,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:20,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 439 [2024-11-16 23:47:20,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 377 transitions, 896 flow. Second operand has 3 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 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 23:47:20,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:20,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 439 [2024-11-16 23:47:20,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:21,161 INFO L124 PetriNetUnfolderBase]: 81/1579 cut-off events. [2024-11-16 23:47:21,161 INFO L125 PetriNetUnfolderBase]: For 109/109 co-relation queries the response was YES. [2024-11-16 23:47:21,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1914 conditions, 1579 events. 81/1579 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 8210 event pairs, 16 based on Foata normal form. 0/1447 useless extension candidates. Maximal degree in co-relation 1863. Up to 47 conditions per place. [2024-11-16 23:47:21,176 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 9 selfloop transitions, 2 changer transitions 0/377 dead transitions. [2024-11-16 23:47:21,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 377 transitions, 919 flow [2024-11-16 23:47:21,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1248 transitions. [2024-11-16 23:47:21,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9476082004555809 [2024-11-16 23:47:21,180 INFO L175 Difference]: Start difference. First operand has 378 places, 377 transitions, 896 flow. Second operand 3 states and 1248 transitions. [2024-11-16 23:47:21,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 377 transitions, 919 flow [2024-11-16 23:47:21,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 377 transitions, 919 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:47:21,186 INFO L231 Difference]: Finished difference. Result has 379 places, 376 transitions, 898 flow [2024-11-16 23:47:21,187 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=379, PETRI_TRANSITIONS=376} [2024-11-16 23:47:21,187 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -25 predicate places. [2024-11-16 23:47:21,187 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 376 transitions, 898 flow [2024-11-16 23:47:21,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 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 23:47:21,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:21,188 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 23:47:21,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:47:21,189 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err31ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:21,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:21,189 INFO L85 PathProgramCache]: Analyzing trace with hash 259380653, now seen corresponding path program 1 times [2024-11-16 23:47:21,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:21,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526950811] [2024-11-16 23:47:21,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:21,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:21,543 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 23:47:21,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:21,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526950811] [2024-11-16 23:47:21,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526950811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:21,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:21,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:47:21,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259000749] [2024-11-16 23:47:21,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:21,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:47:21,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:21,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:47:21,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:47:21,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 439 [2024-11-16 23:47:21,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 376 transitions, 898 flow. Second operand has 6 states, 6 states have (on average 380.6666666666667) internal successors, (2284), 6 states have internal predecessors, (2284), 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 23:47:21,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:21,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 439 [2024-11-16 23:47:21,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:22,100 INFO L124 PetriNetUnfolderBase]: 165/1652 cut-off events. [2024-11-16 23:47:22,101 INFO L125 PetriNetUnfolderBase]: For 235/236 co-relation queries the response was YES. [2024-11-16 23:47:22,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2330 conditions, 1652 events. 165/1652 cut-off events. For 235/236 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9102 event pairs, 18 based on Foata normal form. 0/1539 useless extension candidates. Maximal degree in co-relation 2276. Up to 128 conditions per place. [2024-11-16 23:47:22,112 INFO L140 encePairwiseOnDemand]: 409/439 looper letters, 19 selfloop transitions, 28 changer transitions 0/375 dead transitions. [2024-11-16 23:47:22,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 375 transitions, 994 flow [2024-11-16 23:47:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:47:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:47:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2323 transitions. [2024-11-16 23:47:22,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8819286256643888 [2024-11-16 23:47:22,118 INFO L175 Difference]: Start difference. First operand has 379 places, 376 transitions, 898 flow. Second operand 6 states and 2323 transitions. [2024-11-16 23:47:22,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 375 transitions, 994 flow [2024-11-16 23:47:22,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 375 transitions, 990 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:22,125 INFO L231 Difference]: Finished difference. Result has 377 places, 371 transitions, 940 flow [2024-11-16 23:47:22,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=940, PETRI_PLACES=377, PETRI_TRANSITIONS=371} [2024-11-16 23:47:22,126 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -27 predicate places. [2024-11-16 23:47:22,126 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 371 transitions, 940 flow [2024-11-16 23:47:22,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.6666666666667) internal successors, (2284), 6 states have internal predecessors, (2284), 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 23:47:22,128 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:22,128 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 23:47:22,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:47:22,128 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err30ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:22,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:22,129 INFO L85 PathProgramCache]: Analyzing trace with hash 300412372, now seen corresponding path program 1 times [2024-11-16 23:47:22,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:22,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339847007] [2024-11-16 23:47:22,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:22,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:22,162 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 23:47:22,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:22,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339847007] [2024-11-16 23:47:22,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339847007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:22,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:22,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:22,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517145777] [2024-11-16 23:47:22,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:22,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:22,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:22,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:22,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:22,247 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 439 [2024-11-16 23:47:22,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 371 transitions, 940 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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 23:47:22,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:22,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 439 [2024-11-16 23:47:22,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:22,475 INFO L124 PetriNetUnfolderBase]: 147/1898 cut-off events. [2024-11-16 23:47:22,476 INFO L125 PetriNetUnfolderBase]: For 249/250 co-relation queries the response was YES. [2024-11-16 23:47:22,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2647 conditions, 1898 events. 147/1898 cut-off events. For 249/250 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 11161 event pairs, 68 based on Foata normal form. 0/1764 useless extension candidates. Maximal degree in co-relation 2595. Up to 244 conditions per place. [2024-11-16 23:47:22,494 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 25 selfloop transitions, 2 changer transitions 0/371 dead transitions. [2024-11-16 23:47:22,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 371 transitions, 995 flow [2024-11-16 23:47:22,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:22,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-16 23:47:22,497 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9233105542900532 [2024-11-16 23:47:22,497 INFO L175 Difference]: Start difference. First operand has 377 places, 371 transitions, 940 flow. Second operand 3 states and 1216 transitions. [2024-11-16 23:47:22,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 371 transitions, 995 flow [2024-11-16 23:47:22,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 371 transitions, 939 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:47:22,505 INFO L231 Difference]: Finished difference. Result has 373 places, 370 transitions, 886 flow [2024-11-16 23:47:22,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=373, PETRI_TRANSITIONS=370} [2024-11-16 23:47:22,506 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -31 predicate places. [2024-11-16 23:47:22,506 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 370 transitions, 886 flow [2024-11-16 23:47:22,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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 23:47:22,507 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:22,507 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] [2024-11-16 23:47:22,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:47:22,508 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:22,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:22,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1795434971, now seen corresponding path program 1 times [2024-11-16 23:47:22,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:22,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694866911] [2024-11-16 23:47:22,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:22,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:22,547 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 23:47:22,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:22,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694866911] [2024-11-16 23:47:22,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694866911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:22,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:22,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:22,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054040565] [2024-11-16 23:47:22,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:22,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:22,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:22,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:22,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:22,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 439 [2024-11-16 23:47:22,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 370 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 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 23:47:22,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:22,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 439 [2024-11-16 23:47:22,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:22,826 INFO L124 PetriNetUnfolderBase]: 141/1765 cut-off events. [2024-11-16 23:47:22,826 INFO L125 PetriNetUnfolderBase]: For 185/186 co-relation queries the response was YES. [2024-11-16 23:47:22,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2302 conditions, 1765 events. 141/1765 cut-off events. For 185/186 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10109 event pairs, 68 based on Foata normal form. 0/1638 useless extension candidates. Maximal degree in co-relation 2250. Up to 241 conditions per place. [2024-11-16 23:47:22,840 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 24 selfloop transitions, 2 changer transitions 1/370 dead transitions. [2024-11-16 23:47:22,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 370 transitions, 941 flow [2024-11-16 23:47:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:22,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-16 23:47:22,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9233105542900532 [2024-11-16 23:47:22,844 INFO L175 Difference]: Start difference. First operand has 373 places, 370 transitions, 886 flow. Second operand 3 states and 1216 transitions. [2024-11-16 23:47:22,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 370 transitions, 941 flow [2024-11-16 23:47:22,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 370 transitions, 937 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:22,851 INFO L231 Difference]: Finished difference. Result has 372 places, 369 transitions, 884 flow [2024-11-16 23:47:22,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=372, PETRI_TRANSITIONS=369} [2024-11-16 23:47:22,851 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -32 predicate places. [2024-11-16 23:47:22,852 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 369 transitions, 884 flow [2024-11-16 23:47:22,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 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 23:47:22,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:22,853 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 23:47:22,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:47:22,853 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:22,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:22,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2112628151, now seen corresponding path program 1 times [2024-11-16 23:47:22,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:22,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666282788] [2024-11-16 23:47:22,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:22,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:22,892 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 23:47:22,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:22,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666282788] [2024-11-16 23:47:22,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666282788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:22,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:22,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:22,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404989888] [2024-11-16 23:47:22,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:22,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:22,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:22,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:22,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:22,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 439 [2024-11-16 23:47:22,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 369 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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 23:47:22,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:22,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 439 [2024-11-16 23:47:22,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:23,193 INFO L124 PetriNetUnfolderBase]: 144/1819 cut-off events. [2024-11-16 23:47:23,194 INFO L125 PetriNetUnfolderBase]: For 187/188 co-relation queries the response was YES. [2024-11-16 23:47:23,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2362 conditions, 1819 events. 144/1819 cut-off events. For 187/188 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10562 event pairs, 68 based on Foata normal form. 0/1695 useless extension candidates. Maximal degree in co-relation 2310. Up to 242 conditions per place. [2024-11-16 23:47:23,210 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 24 selfloop transitions, 2 changer transitions 1/369 dead transitions. [2024-11-16 23:47:23,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 369 transitions, 939 flow [2024-11-16 23:47:23,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:23,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-16 23:47:23,237 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9233105542900532 [2024-11-16 23:47:23,237 INFO L175 Difference]: Start difference. First operand has 372 places, 369 transitions, 884 flow. Second operand 3 states and 1216 transitions. [2024-11-16 23:47:23,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 369 transitions, 939 flow [2024-11-16 23:47:23,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 369 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:23,243 INFO L231 Difference]: Finished difference. Result has 371 places, 368 transitions, 882 flow [2024-11-16 23:47:23,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=371, PETRI_TRANSITIONS=368} [2024-11-16 23:47:23,244 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -33 predicate places. [2024-11-16 23:47:23,244 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 368 transitions, 882 flow [2024-11-16 23:47:23,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 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 23:47:23,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:23,245 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 23:47:23,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:47:23,246 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:23,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:23,246 INFO L85 PathProgramCache]: Analyzing trace with hash -600408207, now seen corresponding path program 1 times [2024-11-16 23:47:23,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:23,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034125440] [2024-11-16 23:47:23,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:23,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:47:23,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:23,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034125440] [2024-11-16 23:47:23,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034125440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:23,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:23,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:23,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957572594] [2024-11-16 23:47:23,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:23,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:23,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:23,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:23,365 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 439 [2024-11-16 23:47:23,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 368 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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 23:47:23,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:23,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 439 [2024-11-16 23:47:23,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:23,576 INFO L124 PetriNetUnfolderBase]: 146/1852 cut-off events. [2024-11-16 23:47:23,577 INFO L125 PetriNetUnfolderBase]: For 189/190 co-relation queries the response was YES. [2024-11-16 23:47:23,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2408 conditions, 1852 events. 146/1852 cut-off events. For 189/190 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10802 event pairs, 68 based on Foata normal form. 0/1732 useless extension candidates. Maximal degree in co-relation 2356. Up to 244 conditions per place. [2024-11-16 23:47:23,594 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 25 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2024-11-16 23:47:23,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 368 transitions, 937 flow [2024-11-16 23:47:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-16 23:47:23,597 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9233105542900532 [2024-11-16 23:47:23,597 INFO L175 Difference]: Start difference. First operand has 371 places, 368 transitions, 882 flow. Second operand 3 states and 1216 transitions. [2024-11-16 23:47:23,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 368 transitions, 937 flow [2024-11-16 23:47:23,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 368 transitions, 933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:23,604 INFO L231 Difference]: Finished difference. Result has 370 places, 367 transitions, 880 flow [2024-11-16 23:47:23,605 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=370, PETRI_TRANSITIONS=367} [2024-11-16 23:47:23,606 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -34 predicate places. [2024-11-16 23:47:23,606 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 367 transitions, 880 flow [2024-11-16 23:47:23,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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 23:47:23,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:47:23,607 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:47:23,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:47:23,607 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-16 23:47:23,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:47:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash -80834075, now seen corresponding path program 1 times [2024-11-16 23:47:23,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:47:23,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555803854] [2024-11-16 23:47:23,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:47:23,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:47:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:47:23,651 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 23:47:23,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:47:23,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555803854] [2024-11-16 23:47:23,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555803854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:47:23,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:47:23,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:47:23,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236401067] [2024-11-16 23:47:23,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:47:23,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:47:23,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:47:23,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:47:23,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:47:23,740 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 439 [2024-11-16 23:47:23,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 367 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 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 23:47:23,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:47:23,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 439 [2024-11-16 23:47:23,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:47:23,995 INFO L124 PetriNetUnfolderBase]: 145/1813 cut-off events. [2024-11-16 23:47:23,995 INFO L125 PetriNetUnfolderBase]: For 187/188 co-relation queries the response was YES. [2024-11-16 23:47:24,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2368 conditions, 1813 events. 145/1813 cut-off events. For 187/188 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10400 event pairs, 68 based on Foata normal form. 0/1699 useless extension candidates. Maximal degree in co-relation 2316. Up to 244 conditions per place. [2024-11-16 23:47:24,009 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 0 selfloop transitions, 0 changer transitions 367/367 dead transitions. [2024-11-16 23:47:24,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 367 transitions, 935 flow [2024-11-16 23:47:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:47:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:47:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2024-11-16 23:47:24,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9233105542900532 [2024-11-16 23:47:24,012 INFO L175 Difference]: Start difference. First operand has 370 places, 367 transitions, 880 flow. Second operand 3 states and 1216 transitions. [2024-11-16 23:47:24,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 367 transitions, 935 flow [2024-11-16 23:47:24,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 367 transitions, 931 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:47:24,018 INFO L231 Difference]: Finished difference. Result has 369 places, 0 transitions, 0 flow [2024-11-16 23:47:24,018 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=369, PETRI_TRANSITIONS=0} [2024-11-16 23:47:24,019 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -35 predicate places. [2024-11-16 23:47:24,019 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 0 transitions, 0 flow [2024-11-16 23:47:24,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 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 23:47:24,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (101 of 102 remaining) [2024-11-16 23:47:24,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (100 of 102 remaining) [2024-11-16 23:47:24,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (99 of 102 remaining) [2024-11-16 23:47:24,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (98 of 102 remaining) [2024-11-16 23:47:24,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (97 of 102 remaining) [2024-11-16 23:47:24,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (96 of 102 remaining) [2024-11-16 23:47:24,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (95 of 102 remaining) [2024-11-16 23:47:24,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (94 of 102 remaining) [2024-11-16 23:47:24,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (93 of 102 remaining) [2024-11-16 23:47:24,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (92 of 102 remaining) [2024-11-16 23:47:24,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (91 of 102 remaining) [2024-11-16 23:47:24,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (90 of 102 remaining) [2024-11-16 23:47:24,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (89 of 102 remaining) [2024-11-16 23:47:24,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (88 of 102 remaining) [2024-11-16 23:47:24,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (87 of 102 remaining) [2024-11-16 23:47:24,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (86 of 102 remaining) [2024-11-16 23:47:24,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (85 of 102 remaining) [2024-11-16 23:47:24,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (84 of 102 remaining) [2024-11-16 23:47:24,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (83 of 102 remaining) [2024-11-16 23:47:24,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (82 of 102 remaining) [2024-11-16 23:47:24,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (81 of 102 remaining) [2024-11-16 23:47:24,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (80 of 102 remaining) [2024-11-16 23:47:24,026 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (79 of 102 remaining) [2024-11-16 23:47:24,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (78 of 102 remaining) [2024-11-16 23:47:24,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (77 of 102 remaining) [2024-11-16 23:47:24,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (76 of 102 remaining) [2024-11-16 23:47:24,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (75 of 102 remaining) [2024-11-16 23:47:24,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (74 of 102 remaining) [2024-11-16 23:47:24,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (73 of 102 remaining) [2024-11-16 23:47:24,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (72 of 102 remaining) [2024-11-16 23:47:24,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (71 of 102 remaining) [2024-11-16 23:47:24,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (70 of 102 remaining) [2024-11-16 23:47:24,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (69 of 102 remaining) [2024-11-16 23:47:24,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (68 of 102 remaining) [2024-11-16 23:47:24,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (67 of 102 remaining) [2024-11-16 23:47:24,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (66 of 102 remaining) [2024-11-16 23:47:24,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (65 of 102 remaining) [2024-11-16 23:47:24,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (64 of 102 remaining) [2024-11-16 23:47:24,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (63 of 102 remaining) [2024-11-16 23:47:24,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (62 of 102 remaining) [2024-11-16 23:47:24,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (61 of 102 remaining) [2024-11-16 23:47:24,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (60 of 102 remaining) [2024-11-16 23:47:24,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (59 of 102 remaining) [2024-11-16 23:47:24,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (58 of 102 remaining) [2024-11-16 23:47:24,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (57 of 102 remaining) [2024-11-16 23:47:24,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (56 of 102 remaining) [2024-11-16 23:47:24,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (55 of 102 remaining) [2024-11-16 23:47:24,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (54 of 102 remaining) [2024-11-16 23:47:24,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 102 remaining) [2024-11-16 23:47:24,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 102 remaining) [2024-11-16 23:47:24,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 102 remaining) [2024-11-16 23:47:24,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (50 of 102 remaining) [2024-11-16 23:47:24,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 102 remaining) [2024-11-16 23:47:24,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (48 of 102 remaining) [2024-11-16 23:47:24,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 102 remaining) [2024-11-16 23:47:24,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 102 remaining) [2024-11-16 23:47:24,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (45 of 102 remaining) [2024-11-16 23:47:24,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 102 remaining) [2024-11-16 23:47:24,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 102 remaining) [2024-11-16 23:47:24,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (42 of 102 remaining) [2024-11-16 23:47:24,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (41 of 102 remaining) [2024-11-16 23:47:24,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (40 of 102 remaining) [2024-11-16 23:47:24,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (39 of 102 remaining) [2024-11-16 23:47:24,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 102 remaining) [2024-11-16 23:47:24,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (37 of 102 remaining) [2024-11-16 23:47:24,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (36 of 102 remaining) [2024-11-16 23:47:24,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (35 of 102 remaining) [2024-11-16 23:47:24,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (34 of 102 remaining) [2024-11-16 23:47:24,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (33 of 102 remaining) [2024-11-16 23:47:24,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (32 of 102 remaining) [2024-11-16 23:47:24,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (31 of 102 remaining) [2024-11-16 23:47:24,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (30 of 102 remaining) [2024-11-16 23:47:24,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (29 of 102 remaining) [2024-11-16 23:47:24,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (28 of 102 remaining) [2024-11-16 23:47:24,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (27 of 102 remaining) [2024-11-16 23:47:24,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (26 of 102 remaining) [2024-11-16 23:47:24,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (25 of 102 remaining) [2024-11-16 23:47:24,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (23 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (22 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (19 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (18 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (17 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 102 remaining) [2024-11-16 23:47:24,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (15 of 102 remaining) [2024-11-16 23:47:24,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 102 remaining) [2024-11-16 23:47:24,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (13 of 102 remaining) [2024-11-16 23:47:24,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (12 of 102 remaining) [2024-11-16 23:47:24,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (11 of 102 remaining) [2024-11-16 23:47:24,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (10 of 102 remaining) [2024-11-16 23:47:24,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (9 of 102 remaining) [2024-11-16 23:47:24,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (8 of 102 remaining) [2024-11-16 23:47:24,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (7 of 102 remaining) [2024-11-16 23:47:24,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 102 remaining) [2024-11-16 23:47:24,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (5 of 102 remaining) [2024-11-16 23:47:24,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 102 remaining) [2024-11-16 23:47:24,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (3 of 102 remaining) [2024-11-16 23:47:24,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (2 of 102 remaining) [2024-11-16 23:47:24,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (1 of 102 remaining) [2024-11-16 23:47:24,041 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (0 of 102 remaining) [2024-11-16 23:47:24,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:47:24,042 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:47:24,049 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:47:24,049 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:47:24,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:47:24 BasicIcfg [2024-11-16 23:47:24,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:47:24,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:47:24,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:47:24,056 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:47:24,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:47:14" (3/4) ... [2024-11-16 23:47:24,058 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:47:24,061 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:47:24,062 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:47:24,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-16 23:47:24,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:47:24,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:47:24,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:47:24,158 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:47:24,158 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:47:24,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:47:24,159 INFO L158 Benchmark]: Toolchain (without parser) took 10898.46ms. Allocated memory was 140.5MB in the beginning and 474.0MB in the end (delta: 333.4MB). Free memory was 69.3MB in the beginning and 342.4MB in the end (delta: -273.1MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-11-16 23:47:24,159 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:47:24,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.42ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 69.0MB in the beginning and 166.4MB in the end (delta: -97.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-16 23:47:24,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.43ms. Allocated memory is still 199.2MB. Free memory was 166.4MB in the beginning and 163.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:47:24,160 INFO L158 Benchmark]: Boogie Preprocessor took 52.19ms. Allocated memory is still 199.2MB. Free memory was 163.5MB in the beginning and 161.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:47:24,160 INFO L158 Benchmark]: IcfgBuilder took 844.00ms. Allocated memory is still 199.2MB. Free memory was 161.4MB in the beginning and 126.6MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-16 23:47:24,160 INFO L158 Benchmark]: TraceAbstraction took 9427.82ms. Allocated memory was 199.2MB in the beginning and 474.0MB in the end (delta: 274.7MB). Free memory was 125.7MB in the beginning and 347.6MB in the end (delta: -221.9MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. [2024-11-16 23:47:24,160 INFO L158 Benchmark]: Witness Printer took 102.35ms. Allocated memory is still 474.0MB. Free memory was 347.6MB in the beginning and 342.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:47:24,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.42ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 69.0MB in the beginning and 166.4MB in the end (delta: -97.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.43ms. Allocated memory is still 199.2MB. Free memory was 166.4MB in the beginning and 163.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.19ms. Allocated memory is still 199.2MB. Free memory was 163.5MB in the beginning and 161.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 844.00ms. Allocated memory is still 199.2MB. Free memory was 161.4MB in the beginning and 126.6MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9427.82ms. Allocated memory was 199.2MB in the beginning and 474.0MB in the end (delta: 274.7MB). Free memory was 125.7MB in the beginning and 347.6MB in the end (delta: -221.9MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. * Witness Printer took 102.35ms. Allocated memory is still 474.0MB. Free memory was 347.6MB in the beginning and 342.4MB 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: 70]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 72]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 72]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 67]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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, 702 locations, 102 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: 9.2s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1985 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 836 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2184 IncrementalHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 303 mSolverCounterUnsat, 175 mSDtfsCounter, 2184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=940occurred in iteration=15, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1914 NumberOfCodeBlocks, 1914 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1894 ConstructedInterpolants, 0 QuantifiedInterpolants, 2755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 54 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:47:24,189 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