./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c558e00c0dd9b5f4cf40cba6e03e276a996696c71c282947f4c8d13390dc25bf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:44:53,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:44:53,740 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:44:53,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:44:53,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:44:53,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:44:53,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:44:53,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:44:53,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:44:53,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:44:53,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:44:53,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:44:53,772 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:44:53,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:44:53,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:44:53,773 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:44:53,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:44:53,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:44:53,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:44:53,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:44:53,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:44:53,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:44:53,774 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:44:53,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:44:53,775 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:44:53,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:44:53,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:44:53,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:44:53,775 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:44:53,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:44:53,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:44:53,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:44:53,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:44:53,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:44:53,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:44:53,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:44:53,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:44:53,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:44:53,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:44:53,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:44:53,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:44:53,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c558e00c0dd9b5f4cf40cba6e03e276a996696c71c282947f4c8d13390dc25bf [2024-11-16 23:44:53,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:44:54,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:44:54,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:44:54,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:44:54,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:44:54,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2024-11-16 23:44:55,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:44:55,490 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:44:55,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2024-11-16 23:44:55,497 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a959a307/3449768564284356892ade3136e63155/FLAG6f7cd5fb0 [2024-11-16 23:44:55,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a959a307/3449768564284356892ade3136e63155 [2024-11-16 23:44:55,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:44:55,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:44:55,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:44:55,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:44:55,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:44:55,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eaef749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55, skipping insertion in model container [2024-11-16 23:44:55,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:44:55,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:44:55,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:44:55,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:44:55,770 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:44:55,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55 WrapperNode [2024-11-16 23:44:55,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:44:55,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:44:55,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:44:55,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:44:55,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,809 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2024-11-16 23:44:55,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:44:55,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:44:55,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:44:55,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:44:55,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:44:55,842 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:44:55,842 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:44:55,842 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:44:55,843 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:44:55,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:44:55,874 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 23:44:55,877 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 23:44:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:44:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:44:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:44:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:44:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:44:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:44:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:44:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:44:55,915 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 23:44:55,991 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:44:55,993 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:44:56,213 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:44:56,214 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:44:56,239 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:44:56,239 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:44:56,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:56 BoogieIcfgContainer [2024-11-16 23:44:56,240 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:44:56,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:44:56,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:44:56,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:44:56,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:44:55" (1/3) ... [2024-11-16 23:44:56,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2737c2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:56, skipping insertion in model container [2024-11-16 23:44:56,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (2/3) ... [2024-11-16 23:44:56,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2737c2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:56, skipping insertion in model container [2024-11-16 23:44:56,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:56" (3/3) ... [2024-11-16 23:44:56,246 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2024-11-16 23:44:56,259 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:44:56,259 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-16 23:44:56,259 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:44:56,339 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:44:56,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 192 transitions, 398 flow [2024-11-16 23:44:56,458 INFO L124 PetriNetUnfolderBase]: 9/190 cut-off events. [2024-11-16 23:44:56,459 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:44:56,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 190 events. 9/190 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 290 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2024-11-16 23:44:56,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 192 transitions, 398 flow [2024-11-16 23:44:56,474 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 173 transitions, 355 flow [2024-11-16 23:44:56,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:44:56,491 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;@2762d7cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:44:56,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-16 23:44:56,496 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:44:56,496 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-16 23:44:56,497 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:44:56,497 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:56,497 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] [2024-11-16 23:44:56,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:56,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:56,502 INFO L85 PathProgramCache]: Analyzing trace with hash -2067400102, now seen corresponding path program 1 times [2024-11-16 23:44:56,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:56,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058085396] [2024-11-16 23:44:56,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:56,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:56,640 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 23:44:56,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:56,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058085396] [2024-11-16 23:44:56,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058085396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:56,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:56,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:56,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279895891] [2024-11-16 23:44:56,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:56,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:56,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:56,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:56,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:56,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 192 [2024-11-16 23:44:56,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 173 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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 23:44:56,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:56,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 192 [2024-11-16 23:44:56,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:56,817 INFO L124 PetriNetUnfolderBase]: 26/267 cut-off events. [2024-11-16 23:44:56,817 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-16 23:44:56,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 267 events. 26/267 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 782 event pairs, 11 based on Foata normal form. 8/228 useless extension candidates. Maximal degree in co-relation 228. Up to 46 conditions per place. [2024-11-16 23:44:56,824 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 15 selfloop transitions, 2 changer transitions 1/169 dead transitions. [2024-11-16 23:44:56,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 169 transitions, 381 flow [2024-11-16 23:44:56,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 522 transitions. [2024-11-16 23:44:56,859 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.90625 [2024-11-16 23:44:56,861 INFO L175 Difference]: Start difference. First operand has 172 places, 173 transitions, 355 flow. Second operand 3 states and 522 transitions. [2024-11-16 23:44:56,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 169 transitions, 381 flow [2024-11-16 23:44:56,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 169 transitions, 376 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:44:56,877 INFO L231 Difference]: Finished difference. Result has 170 places, 168 transitions, 344 flow [2024-11-16 23:44:56,883 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=170, PETRI_TRANSITIONS=168} [2024-11-16 23:44:56,889 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -2 predicate places. [2024-11-16 23:44:56,889 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 168 transitions, 344 flow [2024-11-16 23:44:56,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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 23:44:56,889 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:56,889 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] [2024-11-16 23:44:56,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:44:56,890 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:56,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:56,891 INFO L85 PathProgramCache]: Analyzing trace with hash 230930841, now seen corresponding path program 1 times [2024-11-16 23:44:56,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:56,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632261675] [2024-11-16 23:44:56,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:56,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:56,979 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 23:44:56,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:56,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632261675] [2024-11-16 23:44:56,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632261675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:56,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:56,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121915600] [2024-11-16 23:44:56,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:56,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:56,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:56,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:56,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 192 [2024-11-16 23:44:57,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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 23:44:57,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 192 [2024-11-16 23:44:57,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,048 INFO L124 PetriNetUnfolderBase]: 25/301 cut-off events. [2024-11-16 23:44:57,048 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:44:57,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 301 events. 25/301 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1118 event pairs, 14 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 329. Up to 48 conditions per place. [2024-11-16 23:44:57,050 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 15 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-11-16 23:44:57,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 167 transitions, 376 flow [2024-11-16 23:44:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2024-11-16 23:44:57,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9010416666666666 [2024-11-16 23:44:57,053 INFO L175 Difference]: Start difference. First operand has 170 places, 168 transitions, 344 flow. Second operand 3 states and 519 transitions. [2024-11-16 23:44:57,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 167 transitions, 376 flow [2024-11-16 23:44:57,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 167 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:57,056 INFO L231 Difference]: Finished difference. Result has 168 places, 167 transitions, 342 flow [2024-11-16 23:44:57,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=168, PETRI_TRANSITIONS=167} [2024-11-16 23:44:57,057 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -4 predicate places. [2024-11-16 23:44:57,057 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 167 transitions, 342 flow [2024-11-16 23:44:57,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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 23:44:57,058 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,058 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] [2024-11-16 23:44:57,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:44:57,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:57,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,059 INFO L85 PathProgramCache]: Analyzing trace with hash 2079251738, now seen corresponding path program 1 times [2024-11-16 23:44:57,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887137409] [2024-11-16 23:44:57,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,091 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 23:44:57,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887137409] [2024-11-16 23:44:57,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887137409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746729267] [2024-11-16 23:44:57,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 192 [2024-11-16 23:44:57,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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 23:44:57,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 192 [2024-11-16 23:44:57,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,142 INFO L124 PetriNetUnfolderBase]: 26/303 cut-off events. [2024-11-16 23:44:57,142 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:44:57,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 303 events. 26/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 923 event pairs, 11 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 321. Up to 43 conditions per place. [2024-11-16 23:44:57,144 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 13 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-11-16 23:44:57,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 166 transitions, 370 flow [2024-11-16 23:44:57,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2024-11-16 23:44:57,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9079861111111112 [2024-11-16 23:44:57,146 INFO L175 Difference]: Start difference. First operand has 168 places, 167 transitions, 342 flow. Second operand 3 states and 523 transitions. [2024-11-16 23:44:57,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 166 transitions, 370 flow [2024-11-16 23:44:57,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 166 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:57,149 INFO L231 Difference]: Finished difference. Result has 167 places, 166 transitions, 340 flow [2024-11-16 23:44:57,149 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=167, PETRI_TRANSITIONS=166} [2024-11-16 23:44:57,150 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -5 predicate places. [2024-11-16 23:44:57,150 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 166 transitions, 340 flow [2024-11-16 23:44:57,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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 23:44:57,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:57,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:44:57,151 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:57,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1191319757, now seen corresponding path program 1 times [2024-11-16 23:44:57,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293385852] [2024-11-16 23:44:57,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,183 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 23:44:57,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293385852] [2024-11-16 23:44:57,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293385852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664284617] [2024-11-16 23:44:57,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 192 [2024-11-16 23:44:57,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 166 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 23:44:57,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 192 [2024-11-16 23:44:57,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,242 INFO L124 PetriNetUnfolderBase]: 27/383 cut-off events. [2024-11-16 23:44:57,242 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:44:57,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 383 events. 27/383 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1502 event pairs, 11 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 398. Up to 43 conditions per place. [2024-11-16 23:44:57,245 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 14 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-11-16 23:44:57,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 165 transitions, 370 flow [2024-11-16 23:44:57,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2024-11-16 23:44:57,246 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9045138888888888 [2024-11-16 23:44:57,246 INFO L175 Difference]: Start difference. First operand has 167 places, 166 transitions, 340 flow. Second operand 3 states and 521 transitions. [2024-11-16 23:44:57,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 165 transitions, 370 flow [2024-11-16 23:44:57,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 165 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:57,249 INFO L231 Difference]: Finished difference. Result has 166 places, 165 transitions, 338 flow [2024-11-16 23:44:57,249 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=166, PETRI_TRANSITIONS=165} [2024-11-16 23:44:57,250 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -6 predicate places. [2024-11-16 23:44:57,250 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 165 transitions, 338 flow [2024-11-16 23:44:57,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 23:44:57,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,251 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] [2024-11-16 23:44:57,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:44:57,251 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:57,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1399385229, now seen corresponding path program 1 times [2024-11-16 23:44:57,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401760087] [2024-11-16 23:44:57,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,281 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 23:44:57,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401760087] [2024-11-16 23:44:57,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401760087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111911931] [2024-11-16 23:44:57,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 192 [2024-11-16 23:44:57,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 165 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 23:44:57,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 192 [2024-11-16 23:44:57,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,369 INFO L124 PetriNetUnfolderBase]: 25/294 cut-off events. [2024-11-16 23:44:57,370 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:44:57,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 294 events. 25/294 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 961 event pairs, 14 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 299. Up to 47 conditions per place. [2024-11-16 23:44:57,372 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 14 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-11-16 23:44:57,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 164 transitions, 368 flow [2024-11-16 23:44:57,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2024-11-16 23:44:57,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9045138888888888 [2024-11-16 23:44:57,373 INFO L175 Difference]: Start difference. First operand has 166 places, 165 transitions, 338 flow. Second operand 3 states and 521 transitions. [2024-11-16 23:44:57,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 164 transitions, 368 flow [2024-11-16 23:44:57,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 164 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:57,377 INFO L231 Difference]: Finished difference. Result has 165 places, 164 transitions, 336 flow [2024-11-16 23:44:57,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=165, PETRI_TRANSITIONS=164} [2024-11-16 23:44:57,379 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -7 predicate places. [2024-11-16 23:44:57,379 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 164 transitions, 336 flow [2024-11-16 23:44:57,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 23:44:57,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,380 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] [2024-11-16 23:44:57,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:44:57,380 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:57,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1701783449, now seen corresponding path program 1 times [2024-11-16 23:44:57,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765055663] [2024-11-16 23:44:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:57,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765055663] [2024-11-16 23:44:57,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765055663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815908906] [2024-11-16 23:44:57,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 192 [2024-11-16 23:44:57,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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 23:44:57,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 192 [2024-11-16 23:44:57,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,502 INFO L124 PetriNetUnfolderBase]: 32/262 cut-off events. [2024-11-16 23:44:57,503 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:44:57,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 262 events. 32/262 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 794 event pairs, 13 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 278. Up to 49 conditions per place. [2024-11-16 23:44:57,504 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 17 selfloop transitions, 3 changer transitions 0/165 dead transitions. [2024-11-16 23:44:57,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 165 transitions, 380 flow [2024-11-16 23:44:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-11-16 23:44:57,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9097222222222222 [2024-11-16 23:44:57,507 INFO L175 Difference]: Start difference. First operand has 165 places, 164 transitions, 336 flow. Second operand 3 states and 524 transitions. [2024-11-16 23:44:57,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 165 transitions, 380 flow [2024-11-16 23:44:57,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 165 transitions, 376 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:57,510 INFO L231 Difference]: Finished difference. Result has 163 places, 162 transitions, 339 flow [2024-11-16 23:44:57,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=163, PETRI_TRANSITIONS=162} [2024-11-16 23:44:57,512 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -9 predicate places. [2024-11-16 23:44:57,513 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 162 transitions, 339 flow [2024-11-16 23:44:57,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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 23:44:57,513 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,514 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] [2024-11-16 23:44:57,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:44:57,514 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:57,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1146526099, now seen corresponding path program 1 times [2024-11-16 23:44:57,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365568156] [2024-11-16 23:44:57,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,576 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 23:44:57,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365568156] [2024-11-16 23:44:57,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365568156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074225835] [2024-11-16 23:44:57,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,598 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 192 [2024-11-16 23:44:57,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 162 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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 23:44:57,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 192 [2024-11-16 23:44:57,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,653 INFO L124 PetriNetUnfolderBase]: 57/420 cut-off events. [2024-11-16 23:44:57,655 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-16 23:44:57,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 541 conditions, 420 events. 57/420 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1862 event pairs, 13 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 401. Up to 70 conditions per place. [2024-11-16 23:44:57,658 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 19 selfloop transitions, 3 changer transitions 0/165 dead transitions. [2024-11-16 23:44:57,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 165 transitions, 393 flow [2024-11-16 23:44:57,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2024-11-16 23:44:57,659 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9131944444444444 [2024-11-16 23:44:57,660 INFO L175 Difference]: Start difference. First operand has 163 places, 162 transitions, 339 flow. Second operand 3 states and 526 transitions. [2024-11-16 23:44:57,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 165 transitions, 393 flow [2024-11-16 23:44:57,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 165 transitions, 390 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:57,662 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 343 flow [2024-11-16 23:44:57,663 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2024-11-16 23:44:57,663 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-16 23:44:57,664 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 343 flow [2024-11-16 23:44:57,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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 23:44:57,664 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,664 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] [2024-11-16 23:44:57,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:44:57,665 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:57,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1114350382, now seen corresponding path program 1 times [2024-11-16 23:44:57,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268702659] [2024-11-16 23:44:57,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,728 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 23:44:57,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268702659] [2024-11-16 23:44:57,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268702659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844298874] [2024-11-16 23:44:57,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,740 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 192 [2024-11-16 23:44:57,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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 23:44:57,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 192 [2024-11-16 23:44:57,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,786 INFO L124 PetriNetUnfolderBase]: 49/537 cut-off events. [2024-11-16 23:44:57,787 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-16 23:44:57,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 537 events. 49/537 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2687 event pairs, 18 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 415. Up to 77 conditions per place. [2024-11-16 23:44:57,790 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 14 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-11-16 23:44:57,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 161 transitions, 379 flow [2024-11-16 23:44:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2024-11-16 23:44:57,792 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.921875 [2024-11-16 23:44:57,792 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 343 flow. Second operand 3 states and 531 transitions. [2024-11-16 23:44:57,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 161 transitions, 379 flow [2024-11-16 23:44:57,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 161 transitions, 376 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:57,795 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 350 flow [2024-11-16 23:44:57,795 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2024-11-16 23:44:57,797 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-16 23:44:57,797 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 350 flow [2024-11-16 23:44:57,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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 23:44:57,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,798 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] [2024-11-16 23:44:57,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:44:57,798 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:57,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1809625977, now seen corresponding path program 1 times [2024-11-16 23:44:57,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335330029] [2024-11-16 23:44:57,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,849 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 23:44:57,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335330029] [2024-11-16 23:44:57,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335330029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113171626] [2024-11-16 23:44:57,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-16 23:44:57,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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 23:44:57,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-16 23:44:57,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,919 INFO L124 PetriNetUnfolderBase]: 46/366 cut-off events. [2024-11-16 23:44:57,919 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:44:57,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 366 events. 46/366 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1394 event pairs, 4 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 279. Up to 54 conditions per place. [2024-11-16 23:44:57,921 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 15 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-11-16 23:44:57,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 161 transitions, 388 flow [2024-11-16 23:44:57,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-16 23:44:57,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9184027777777778 [2024-11-16 23:44:57,924 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 350 flow. Second operand 3 states and 529 transitions. [2024-11-16 23:44:57,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 161 transitions, 388 flow [2024-11-16 23:44:57,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 161 transitions, 388 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:44:57,926 INFO L231 Difference]: Finished difference. Result has 162 places, 158 transitions, 350 flow [2024-11-16 23:44:57,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=162, PETRI_TRANSITIONS=158} [2024-11-16 23:44:57,927 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-16 23:44:57,928 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 158 transitions, 350 flow [2024-11-16 23:44:57,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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 23:44:57,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,928 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] [2024-11-16 23:44:57,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:44:57,929 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:57,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,929 INFO L85 PathProgramCache]: Analyzing trace with hash 528533040, now seen corresponding path program 1 times [2024-11-16 23:44:57,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066522354] [2024-11-16 23:44:57,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,964 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 23:44:57,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066522354] [2024-11-16 23:44:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066522354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356512280] [2024-11-16 23:44:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-16 23:44:57,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 158 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 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 23:44:57,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-16 23:44:57,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,014 INFO L124 PetriNetUnfolderBase]: 40/368 cut-off events. [2024-11-16 23:44:58,015 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-16 23:44:58,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 368 events. 40/368 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1523 event pairs, 7 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 298. Up to 45 conditions per place. [2024-11-16 23:44:58,017 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 15 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-16 23:44:58,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 387 flow [2024-11-16 23:44:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-16 23:44:58,018 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9184027777777778 [2024-11-16 23:44:58,018 INFO L175 Difference]: Start difference. First operand has 162 places, 158 transitions, 350 flow. Second operand 3 states and 529 transitions. [2024-11-16 23:44:58,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 387 flow [2024-11-16 23:44:58,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 383 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:58,021 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 346 flow [2024-11-16 23:44:58,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-11-16 23:44:58,021 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -12 predicate places. [2024-11-16 23:44:58,022 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 346 flow [2024-11-16 23:44:58,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 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 23:44:58,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:58,022 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:58,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:44:58,023 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:58,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:58,023 INFO L85 PathProgramCache]: Analyzing trace with hash 489577498, now seen corresponding path program 1 times [2024-11-16 23:44:58,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:58,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711294424] [2024-11-16 23:44:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:58,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:58,049 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 23:44:58,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:58,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711294424] [2024-11-16 23:44:58,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711294424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:58,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:58,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:58,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615407554] [2024-11-16 23:44:58,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:58,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:58,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:58,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:58,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:58,067 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-16 23:44:58,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 23:44:58,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:58,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-16 23:44:58,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,119 INFO L124 PetriNetUnfolderBase]: 61/549 cut-off events. [2024-11-16 23:44:58,119 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:44:58,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 549 events. 61/549 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2739 event pairs, 19 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 486. Up to 74 conditions per place. [2024-11-16 23:44:58,122 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 16 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-11-16 23:44:58,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 158 transitions, 388 flow [2024-11-16 23:44:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:58,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-16 23:44:58,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9184027777777778 [2024-11-16 23:44:58,123 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 346 flow. Second operand 3 states and 529 transitions. [2024-11-16 23:44:58,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 158 transitions, 388 flow [2024-11-16 23:44:58,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 158 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:58,126 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 344 flow [2024-11-16 23:44:58,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2024-11-16 23:44:58,127 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -13 predicate places. [2024-11-16 23:44:58,127 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 344 flow [2024-11-16 23:44:58,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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 23:44:58,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:58,128 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] [2024-11-16 23:44:58,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:44:58,128 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:58,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:58,128 INFO L85 PathProgramCache]: Analyzing trace with hash 573144341, now seen corresponding path program 1 times [2024-11-16 23:44:58,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:58,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407761427] [2024-11-16 23:44:58,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:58,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:58,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:58,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407761427] [2024-11-16 23:44:58,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407761427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:58,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:58,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:58,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723177392] [2024-11-16 23:44:58,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:58,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:58,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:58,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:58,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:58,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-16 23:44:58,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 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 23:44:58,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:58,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-16 23:44:58,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,209 INFO L124 PetriNetUnfolderBase]: 44/383 cut-off events. [2024-11-16 23:44:58,209 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-16 23:44:58,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 383 events. 44/383 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1545 event pairs, 19 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 477. Up to 67 conditions per place. [2024-11-16 23:44:58,211 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 16 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-16 23:44:58,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 157 transitions, 385 flow [2024-11-16 23:44:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-16 23:44:58,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9184027777777778 [2024-11-16 23:44:58,212 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 344 flow. Second operand 3 states and 529 transitions. [2024-11-16 23:44:58,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 157 transitions, 385 flow [2024-11-16 23:44:58,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 157 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:58,214 INFO L231 Difference]: Finished difference. Result has 158 places, 154 transitions, 342 flow [2024-11-16 23:44:58,215 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=158, PETRI_TRANSITIONS=154} [2024-11-16 23:44:58,215 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -14 predicate places. [2024-11-16 23:44:58,215 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 154 transitions, 342 flow [2024-11-16 23:44:58,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 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 23:44:58,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:58,216 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:58,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:44:58,216 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:58,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:58,217 INFO L85 PathProgramCache]: Analyzing trace with hash -264950049, now seen corresponding path program 1 times [2024-11-16 23:44:58,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:58,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371794293] [2024-11-16 23:44:58,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:58,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:58,241 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 23:44:58,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:58,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371794293] [2024-11-16 23:44:58,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371794293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:58,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:58,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:58,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220748364] [2024-11-16 23:44:58,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:58,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:58,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:58,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:58,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:58,260 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 192 [2024-11-16 23:44:58,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 154 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 23:44:58,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:58,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 192 [2024-11-16 23:44:58,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,299 INFO L124 PetriNetUnfolderBase]: 56/380 cut-off events. [2024-11-16 23:44:58,300 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-16 23:44:58,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 380 events. 56/380 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1529 event pairs, 21 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 524. Up to 80 conditions per place. [2024-11-16 23:44:58,301 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 18 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-11-16 23:44:58,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 156 transitions, 388 flow [2024-11-16 23:44:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-16 23:44:58,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9149305555555556 [2024-11-16 23:44:58,302 INFO L175 Difference]: Start difference. First operand has 158 places, 154 transitions, 342 flow. Second operand 3 states and 527 transitions. [2024-11-16 23:44:58,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 156 transitions, 388 flow [2024-11-16 23:44:58,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 156 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:58,304 INFO L231 Difference]: Finished difference. Result has 157 places, 153 transitions, 340 flow [2024-11-16 23:44:58,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=157, PETRI_TRANSITIONS=153} [2024-11-16 23:44:58,305 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -15 predicate places. [2024-11-16 23:44:58,305 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 153 transitions, 340 flow [2024-11-16 23:44:58,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 23:44:58,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:58,306 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] [2024-11-16 23:44:58,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:44:58,306 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-16 23:44:58,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:58,306 INFO L85 PathProgramCache]: Analyzing trace with hash -565254054, now seen corresponding path program 1 times [2024-11-16 23:44:58,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:58,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253601251] [2024-11-16 23:44:58,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:58,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:58,331 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 23:44:58,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:58,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253601251] [2024-11-16 23:44:58,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253601251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:58,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:58,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:58,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593409699] [2024-11-16 23:44:58,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:58,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:58,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:58,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:58,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:58,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 192 [2024-11-16 23:44:58,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 153 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 23:44:58,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:58,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 192 [2024-11-16 23:44:58,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,387 INFO L124 PetriNetUnfolderBase]: 48/383 cut-off events. [2024-11-16 23:44:58,387 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-16 23:44:58,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 383 events. 48/383 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1521 event pairs, 17 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 506. Up to 76 conditions per place. [2024-11-16 23:44:58,388 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 0 selfloop transitions, 0 changer transitions 155/155 dead transitions. [2024-11-16 23:44:58,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 155 transitions, 385 flow [2024-11-16 23:44:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-16 23:44:58,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9149305555555556 [2024-11-16 23:44:58,390 INFO L175 Difference]: Start difference. First operand has 157 places, 153 transitions, 340 flow. Second operand 3 states and 527 transitions. [2024-11-16 23:44:58,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 155 transitions, 385 flow [2024-11-16 23:44:58,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 155 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:58,391 INFO L231 Difference]: Finished difference. Result has 156 places, 0 transitions, 0 flow [2024-11-16 23:44:58,392 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=156, PETRI_TRANSITIONS=0} [2024-11-16 23:44:58,392 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -16 predicate places. [2024-11-16 23:44:58,392 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 0 transitions, 0 flow [2024-11-16 23:44:58,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 23:44:58,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2024-11-16 23:44:58,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-11-16 23:44:58,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-11-16 23:44:58,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-11-16 23:44:58,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-11-16 23:44:58,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-11-16 23:44:58,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-11-16 23:44:58,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-11-16 23:44:58,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-11-16 23:44:58,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-11-16 23:44:58,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-11-16 23:44:58,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-11-16 23:44:58,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-11-16 23:44:58,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2024-11-16 23:44:58,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2024-11-16 23:44:58,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2024-11-16 23:44:58,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-11-16 23:44:58,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-11-16 23:44:58,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-11-16 23:44:58,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-11-16 23:44:58,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-11-16 23:44:58,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-11-16 23:44:58,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-11-16 23:44:58,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-11-16 23:44:58,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-11-16 23:44:58,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-11-16 23:44:58,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-11-16 23:44:58,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-11-16 23:44:58,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-11-16 23:44:58,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:44:58,400 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:58,404 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:44:58,404 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:44:58,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:44:58 BasicIcfg [2024-11-16 23:44:58,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:44:58,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:44:58,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:44:58,409 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:44:58,409 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:56" (3/4) ... [2024-11-16 23:44:58,410 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:44:58,412 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:44:58,412 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:44:58,415 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-16 23:44:58,415 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:44:58,415 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:44:58,415 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:44:58,472 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:44:58,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:44:58,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:44:58,473 INFO L158 Benchmark]: Toolchain (without parser) took 2961.54ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 128.1MB in the beginning and 136.5MB in the end (delta: -8.4MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,473 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:44:58,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.74ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 113.4MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.10ms. Allocated memory is still 159.4MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,474 INFO L158 Benchmark]: Boogie Preprocessor took 31.35ms. Allocated memory is still 159.4MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,474 INFO L158 Benchmark]: IcfgBuilder took 398.02ms. Allocated memory is still 159.4MB. Free memory was 110.2MB in the beginning and 91.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,474 INFO L158 Benchmark]: TraceAbstraction took 2166.91ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 90.3MB in the beginning and 140.7MB in the end (delta: -50.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,474 INFO L158 Benchmark]: Witness Printer took 64.25ms. Allocated memory is still 220.2MB. Free memory was 140.7MB in the beginning and 136.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,475 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.74ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 113.4MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.10ms. Allocated memory is still 159.4MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.35ms. Allocated memory is still 159.4MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 398.02ms. Allocated memory is still 159.4MB. Free memory was 110.2MB in the beginning and 91.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2166.91ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 90.3MB in the beginning and 140.7MB in the end (delta: -50.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 64.25ms. Allocated memory is still 220.2MB. Free memory was 140.7MB in the beginning and 136.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 75]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 262 locations, 37 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: 2.0s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 381 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 525 IncrementalHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 75 mSDtfsCounter, 525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=355occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 931 NumberOfCodeBlocks, 931 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 917 ConstructedInterpolants, 0 QuantifiedInterpolants, 945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:44:58,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE