./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-4.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-ticket-4.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 ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:45:11,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:45:11,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:45:11,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:45:11,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:45:11,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:45:11,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:45:11,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:45:11,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:45:11,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:45:11,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:45:11,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:45:11,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:45:11,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:45:11,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:45:11,779 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:45:11,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:45:11,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:45:11,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:45:11,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:45:11,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:45:11,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:45:11,785 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:45:11,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:45:11,785 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:45:11,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:45:11,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:45:11,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:45:11,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:45:11,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:45:11,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:45:11,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:45:11,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:45:11,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:45:11,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:45:11,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:45:11,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:45:11,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:45:11,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:45:11,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:45:11,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:45:11,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 [2024-11-16 23:45:12,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:45:12,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:45:12,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:45:12,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:45:12,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:45:12,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-16 23:45:13,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:45:13,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:45:13,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-16 23:45:13,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef019ac29/e12f93da5179468c99340dfbb475c69a/FLAG52b306ad4 [2024-11-16 23:45:13,712 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef019ac29/e12f93da5179468c99340dfbb475c69a [2024-11-16 23:45:13,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:45:13,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:45:13,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:45:13,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:45:13,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:45:13,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:13" (1/1) ... [2024-11-16 23:45:13,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f57848a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:13, skipping insertion in model container [2024-11-16 23:45:13,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:13" (1/1) ... [2024-11-16 23:45:13,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:45:14,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:45:14,011 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:45:14,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:45:14,047 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:45:14,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14 WrapperNode [2024-11-16 23:45:14,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:45:14,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:45:14,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:45:14,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:45:14,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,084 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 214 [2024-11-16 23:45:14,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:45:14,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:45:14,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:45:14,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:45:14,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:45:14,114 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:45:14,114 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:45:14,114 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:45:14,116 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (1/1) ... [2024-11-16 23:45:14,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:45:14,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:45:14,156 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 23:45:14,162 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 23:45:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:45:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:45:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:45:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:45:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:45:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:45:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:45:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-16 23:45:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-16 23:45:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:45:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:45:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:45:14,215 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 23:45:14,334 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:45:14,336 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:45:14,677 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:45:14,677 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:45:14,734 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:45:14,735 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:45:14,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:45:14 BoogieIcfgContainer [2024-11-16 23:45:14,736 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:45:14,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:45:14,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:45:14,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:45:14,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:45:13" (1/3) ... [2024-11-16 23:45:14,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb23bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:14, skipping insertion in model container [2024-11-16 23:45:14,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:14" (2/3) ... [2024-11-16 23:45:14,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb23bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:14, skipping insertion in model container [2024-11-16 23:45:14,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:45:14" (3/3) ... [2024-11-16 23:45:14,747 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-11-16 23:45:14,768 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:45:14,768 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-16 23:45:14,769 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:45:14,881 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-16 23:45:14,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 235 transitions, 498 flow [2024-11-16 23:45:15,028 INFO L124 PetriNetUnfolderBase]: 9/231 cut-off events. [2024-11-16 23:45:15,028 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:45:15,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 231 events. 9/231 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 358 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 187. Up to 2 conditions per place. [2024-11-16 23:45:15,037 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 235 transitions, 498 flow [2024-11-16 23:45:15,044 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 214 transitions, 449 flow [2024-11-16 23:45:15,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:45:15,063 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;@41a33479, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:45:15,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-16 23:45:15,070 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:45:15,071 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-16 23:45:15,071 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:45:15,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:15,072 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] [2024-11-16 23:45:15,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:15,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:15,078 INFO L85 PathProgramCache]: Analyzing trace with hash 982818365, now seen corresponding path program 1 times [2024-11-16 23:45:15,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:15,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891197365] [2024-11-16 23:45:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:15,272 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 23:45:15,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:15,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891197365] [2024-11-16 23:45:15,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891197365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:15,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:15,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:15,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729247322] [2024-11-16 23:45:15,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:15,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:15,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:15,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:15,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:15,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 235 [2024-11-16 23:45:15,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 214 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 23:45:15,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:15,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 235 [2024-11-16 23:45:15,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:16,516 INFO L124 PetriNetUnfolderBase]: 1590/4870 cut-off events. [2024-11-16 23:45:16,517 INFO L125 PetriNetUnfolderBase]: For 339/339 co-relation queries the response was YES. [2024-11-16 23:45:16,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7393 conditions, 4870 events. 1590/4870 cut-off events. For 339/339 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 44723 event pairs, 1132 based on Foata normal form. 350/4509 useless extension candidates. Maximal degree in co-relation 7098. Up to 2178 conditions per place. [2024-11-16 23:45:16,570 INFO L140 encePairwiseOnDemand]: 227/235 looper letters, 29 selfloop transitions, 2 changer transitions 1/208 dead transitions. [2024-11-16 23:45:16,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 208 transitions, 499 flow [2024-11-16 23:45:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 619 transitions. [2024-11-16 23:45:16,588 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8780141843971632 [2024-11-16 23:45:16,590 INFO L175 Difference]: Start difference. First operand has 219 places, 214 transitions, 449 flow. Second operand 3 states and 619 transitions. [2024-11-16 23:45:16,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 208 transitions, 499 flow [2024-11-16 23:45:16,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 208 transitions, 486 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-16 23:45:16,604 INFO L231 Difference]: Finished difference. Result has 213 places, 207 transitions, 426 flow [2024-11-16 23:45:16,607 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=213, PETRI_TRANSITIONS=207} [2024-11-16 23:45:16,612 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -6 predicate places. [2024-11-16 23:45:16,613 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 207 transitions, 426 flow [2024-11-16 23:45:16,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 23:45:16,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:16,615 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] [2024-11-16 23:45:16,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:45:16,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:16,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1580167411, now seen corresponding path program 1 times [2024-11-16 23:45:16,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:16,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120639808] [2024-11-16 23:45:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:16,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:16,697 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 23:45:16,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:16,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120639808] [2024-11-16 23:45:16,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120639808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:16,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:16,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:16,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849098290] [2024-11-16 23:45:16,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:16,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:16,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:16,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:16,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:16,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 235 [2024-11-16 23:45:16,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 207 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 23:45:16,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:16,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 235 [2024-11-16 23:45:16,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:17,492 INFO L124 PetriNetUnfolderBase]: 1827/4770 cut-off events. [2024-11-16 23:45:17,493 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-11-16 23:45:17,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7534 conditions, 4770 events. 1827/4770 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 40606 event pairs, 1374 based on Foata normal form. 0/4108 useless extension candidates. Maximal degree in co-relation 7500. Up to 2507 conditions per place. [2024-11-16 23:45:17,543 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 29 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-11-16 23:45:17,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 206 transitions, 486 flow [2024-11-16 23:45:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:17,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:17,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2024-11-16 23:45:17,550 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8709219858156029 [2024-11-16 23:45:17,551 INFO L175 Difference]: Start difference. First operand has 213 places, 207 transitions, 426 flow. Second operand 3 states and 614 transitions. [2024-11-16 23:45:17,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 206 transitions, 486 flow [2024-11-16 23:45:17,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 206 transitions, 482 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:45:17,557 INFO L231 Difference]: Finished difference. Result has 211 places, 206 transitions, 424 flow [2024-11-16 23:45:17,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=211, PETRI_TRANSITIONS=206} [2024-11-16 23:45:17,558 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -8 predicate places. [2024-11-16 23:45:17,558 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 206 transitions, 424 flow [2024-11-16 23:45:17,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 23:45:17,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:17,560 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] [2024-11-16 23:45:17,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:45:17,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:17,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:17,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1221600158, now seen corresponding path program 1 times [2024-11-16 23:45:17,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:17,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981930342] [2024-11-16 23:45:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:17,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:17,634 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 23:45:17,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:17,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981930342] [2024-11-16 23:45:17,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981930342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:17,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:17,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:17,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948316180] [2024-11-16 23:45:17,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:17,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:17,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:17,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:17,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:17,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 235 [2024-11-16 23:45:17,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 206 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 23:45:17,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:17,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 235 [2024-11-16 23:45:17,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:18,306 INFO L124 PetriNetUnfolderBase]: 1848/4571 cut-off events. [2024-11-16 23:45:18,307 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-11-16 23:45:18,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7342 conditions, 4571 events. 1848/4571 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 37611 event pairs, 1400 based on Foata normal form. 0/3911 useless extension candidates. Maximal degree in co-relation 7300. Up to 2534 conditions per place. [2024-11-16 23:45:18,348 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 29 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2024-11-16 23:45:18,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 205 transitions, 484 flow [2024-11-16 23:45:18,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2024-11-16 23:45:18,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8709219858156029 [2024-11-16 23:45:18,351 INFO L175 Difference]: Start difference. First operand has 211 places, 206 transitions, 424 flow. Second operand 3 states and 614 transitions. [2024-11-16 23:45:18,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 205 transitions, 484 flow [2024-11-16 23:45:18,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 205 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:45:18,356 INFO L231 Difference]: Finished difference. Result has 210 places, 205 transitions, 422 flow [2024-11-16 23:45:18,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=210, PETRI_TRANSITIONS=205} [2024-11-16 23:45:18,357 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -9 predicate places. [2024-11-16 23:45:18,358 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 205 transitions, 422 flow [2024-11-16 23:45:18,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 23:45:18,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:18,359 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] [2024-11-16 23:45:18,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:45:18,360 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:18,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:18,361 INFO L85 PathProgramCache]: Analyzing trace with hash -549743346, now seen corresponding path program 1 times [2024-11-16 23:45:18,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:18,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343887971] [2024-11-16 23:45:18,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:18,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:18,427 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 23:45:18,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:18,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343887971] [2024-11-16 23:45:18,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343887971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:18,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:18,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:18,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190181802] [2024-11-16 23:45:18,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:18,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:18,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:18,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:18,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:18,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 235 [2024-11-16 23:45:18,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 205 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 23:45:18,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:18,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 235 [2024-11-16 23:45:18,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:19,151 INFO L124 PetriNetUnfolderBase]: 1714/4642 cut-off events. [2024-11-16 23:45:19,151 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-11-16 23:45:19,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7165 conditions, 4642 events. 1714/4642 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 38966 event pairs, 1266 based on Foata normal form. 0/3988 useless extension candidates. Maximal degree in co-relation 7115. Up to 2354 conditions per place. [2024-11-16 23:45:19,190 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 29 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2024-11-16 23:45:19,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 204 transitions, 482 flow [2024-11-16 23:45:19,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2024-11-16 23:45:19,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8709219858156029 [2024-11-16 23:45:19,193 INFO L175 Difference]: Start difference. First operand has 210 places, 205 transitions, 422 flow. Second operand 3 states and 614 transitions. [2024-11-16 23:45:19,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 204 transitions, 482 flow [2024-11-16 23:45:19,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 204 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:45:19,198 INFO L231 Difference]: Finished difference. Result has 209 places, 204 transitions, 420 flow [2024-11-16 23:45:19,198 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=209, PETRI_TRANSITIONS=204} [2024-11-16 23:45:19,200 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -10 predicate places. [2024-11-16 23:45:19,200 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 204 transitions, 420 flow [2024-11-16 23:45:19,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 23:45:19,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:19,201 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:45:19,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:45:19,202 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:19,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:19,204 INFO L85 PathProgramCache]: Analyzing trace with hash -339662411, now seen corresponding path program 1 times [2024-11-16 23:45:19,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:19,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044549452] [2024-11-16 23:45:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:19,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:19,296 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 23:45:19,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:19,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044549452] [2024-11-16 23:45:19,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044549452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:19,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:19,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:19,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711662984] [2024-11-16 23:45:19,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:19,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:19,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:19,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:19,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:19,315 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 235 [2024-11-16 23:45:19,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 204 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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 23:45:19,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:19,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 235 [2024-11-16 23:45:19,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:20,280 INFO L124 PetriNetUnfolderBase]: 2313/6203 cut-off events. [2024-11-16 23:45:20,280 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-16 23:45:20,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9691 conditions, 6203 events. 2313/6203 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 57741 event pairs, 1319 based on Foata normal form. 0/5320 useless extension candidates. Maximal degree in co-relation 9633. Up to 2498 conditions per place. [2024-11-16 23:45:20,317 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 40 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2024-11-16 23:45:20,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 215 transitions, 530 flow [2024-11-16 23:45:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:20,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 631 transitions. [2024-11-16 23:45:20,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8950354609929078 [2024-11-16 23:45:20,319 INFO L175 Difference]: Start difference. First operand has 209 places, 204 transitions, 420 flow. Second operand 3 states and 631 transitions. [2024-11-16 23:45:20,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 215 transitions, 530 flow [2024-11-16 23:45:20,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 215 transitions, 526 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:45:20,324 INFO L231 Difference]: Finished difference. Result has 208 places, 203 transitions, 418 flow [2024-11-16 23:45:20,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=208, PETRI_TRANSITIONS=203} [2024-11-16 23:45:20,325 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -11 predicate places. [2024-11-16 23:45:20,325 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 203 transitions, 418 flow [2024-11-16 23:45:20,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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 23:45:20,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:20,326 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 23:45:20,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:45:20,326 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:20,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:20,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1877046711, now seen corresponding path program 1 times [2024-11-16 23:45:20,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:20,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750855376] [2024-11-16 23:45:20,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:20,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:20,413 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 23:45:20,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:20,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750855376] [2024-11-16 23:45:20,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750855376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:20,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:20,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:20,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108347230] [2024-11-16 23:45:20,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:20,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:20,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:20,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:20,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:20,428 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 235 [2024-11-16 23:45:20,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 203 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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 23:45:20,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:20,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 235 [2024-11-16 23:45:20,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:21,016 INFO L124 PetriNetUnfolderBase]: 1959/4969 cut-off events. [2024-11-16 23:45:21,016 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2024-11-16 23:45:21,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7991 conditions, 4969 events. 1959/4969 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 42605 event pairs, 431 based on Foata normal form. 0/4352 useless extension candidates. Maximal degree in co-relation 5950. Up to 1962 conditions per place. [2024-11-16 23:45:21,047 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 39 selfloop transitions, 1 changer transitions 0/214 dead transitions. [2024-11-16 23:45:21,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 214 transitions, 524 flow [2024-11-16 23:45:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2024-11-16 23:45:21,050 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900709219858156 [2024-11-16 23:45:21,050 INFO L175 Difference]: Start difference. First operand has 208 places, 203 transitions, 418 flow. Second operand 3 states and 635 transitions. [2024-11-16 23:45:21,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 214 transitions, 524 flow [2024-11-16 23:45:21,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 214 transitions, 520 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:45:21,054 INFO L231 Difference]: Finished difference. Result has 207 places, 202 transitions, 414 flow [2024-11-16 23:45:21,054 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=207, PETRI_TRANSITIONS=202} [2024-11-16 23:45:21,055 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -12 predicate places. [2024-11-16 23:45:21,055 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 202 transitions, 414 flow [2024-11-16 23:45:21,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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 23:45:21,056 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:21,056 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:45:21,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:45:21,056 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:21,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:21,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2082608244, now seen corresponding path program 1 times [2024-11-16 23:45:21,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:21,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877137233] [2024-11-16 23:45:21,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:21,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:21,109 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 23:45:21,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:21,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877137233] [2024-11-16 23:45:21,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877137233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:21,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:21,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:21,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238615045] [2024-11-16 23:45:21,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:21,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:21,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:21,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:21,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:21,130 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 235 [2024-11-16 23:45:21,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 202 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 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 23:45:21,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:21,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 235 [2024-11-16 23:45:21,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:21,793 INFO L124 PetriNetUnfolderBase]: 2801/6242 cut-off events. [2024-11-16 23:45:21,794 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2024-11-16 23:45:21,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10467 conditions, 6242 events. 2801/6242 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 52615 event pairs, 1639 based on Foata normal form. 0/5489 useless extension candidates. Maximal degree in co-relation 8004. Up to 2924 conditions per place. [2024-11-16 23:45:21,843 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 41 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2024-11-16 23:45:21,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 214 transitions, 528 flow [2024-11-16 23:45:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:21,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2024-11-16 23:45:21,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2024-11-16 23:45:21,847 INFO L175 Difference]: Start difference. First operand has 207 places, 202 transitions, 414 flow. Second operand 3 states and 632 transitions. [2024-11-16 23:45:21,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 214 transitions, 528 flow [2024-11-16 23:45:21,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 214 transitions, 527 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:45:21,851 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 415 flow [2024-11-16 23:45:21,852 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=207, PETRI_TRANSITIONS=201} [2024-11-16 23:45:21,852 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -12 predicate places. [2024-11-16 23:45:21,853 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 415 flow [2024-11-16 23:45:21,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 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 23:45:21,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:21,855 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] [2024-11-16 23:45:21,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:45:21,856 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:21,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:21,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1167567502, now seen corresponding path program 1 times [2024-11-16 23:45:21,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:21,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067769582] [2024-11-16 23:45:21,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:21,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:21,918 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 23:45:21,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:21,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067769582] [2024-11-16 23:45:21,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067769582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:21,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:21,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:21,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235046146] [2024-11-16 23:45:21,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:21,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:21,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:21,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:21,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:21,933 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 235 [2024-11-16 23:45:21,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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 23:45:21,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:21,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 235 [2024-11-16 23:45:21,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:22,550 INFO L124 PetriNetUnfolderBase]: 2062/5252 cut-off events. [2024-11-16 23:45:22,551 INFO L125 PetriNetUnfolderBase]: For 232/232 co-relation queries the response was YES. [2024-11-16 23:45:22,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8514 conditions, 5252 events. 2062/5252 cut-off events. For 232/232 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 43937 event pairs, 910 based on Foata normal form. 0/4720 useless extension candidates. Maximal degree in co-relation 6469. Up to 1687 conditions per place. [2024-11-16 23:45:22,599 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 40 selfloop transitions, 1 changer transitions 0/213 dead transitions. [2024-11-16 23:45:22,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 213 transitions, 525 flow [2024-11-16 23:45:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-16 23:45:22,603 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.902127659574468 [2024-11-16 23:45:22,604 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 415 flow. Second operand 3 states and 636 transitions. [2024-11-16 23:45:22,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 213 transitions, 525 flow [2024-11-16 23:45:22,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 213 transitions, 521 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:45:22,613 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 411 flow [2024-11-16 23:45:22,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=206, PETRI_TRANSITIONS=200} [2024-11-16 23:45:22,614 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -13 predicate places. [2024-11-16 23:45:22,614 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 411 flow [2024-11-16 23:45:22,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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 23:45:22,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:22,617 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 23:45:22,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:45:22,617 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:22,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:22,618 INFO L85 PathProgramCache]: Analyzing trace with hash -382043463, now seen corresponding path program 1 times [2024-11-16 23:45:22,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:22,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249491210] [2024-11-16 23:45:22,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:22,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:22,695 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 23:45:22,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:22,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249491210] [2024-11-16 23:45:22,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249491210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:22,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:22,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:22,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533948162] [2024-11-16 23:45:22,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:22,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:22,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:22,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:22,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:22,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 235 [2024-11-16 23:45:22,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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 23:45:22,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:22,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 235 [2024-11-16 23:45:22,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:23,486 INFO L124 PetriNetUnfolderBase]: 2675/6405 cut-off events. [2024-11-16 23:45:23,486 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2024-11-16 23:45:23,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10417 conditions, 6405 events. 2675/6405 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 55016 event pairs, 1449 based on Foata normal form. 0/5645 useless extension candidates. Maximal degree in co-relation 8037. Up to 2744 conditions per place. [2024-11-16 23:45:23,539 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 41 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-16 23:45:23,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 212 transitions, 525 flow [2024-11-16 23:45:23,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:23,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2024-11-16 23:45:23,542 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2024-11-16 23:45:23,542 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 411 flow. Second operand 3 states and 632 transitions. [2024-11-16 23:45:23,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 212 transitions, 525 flow [2024-11-16 23:45:23,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 212 transitions, 524 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:45:23,547 INFO L231 Difference]: Finished difference. Result has 206 places, 199 transitions, 412 flow [2024-11-16 23:45:23,547 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=206, PETRI_TRANSITIONS=199} [2024-11-16 23:45:23,548 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -13 predicate places. [2024-11-16 23:45:23,548 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 199 transitions, 412 flow [2024-11-16 23:45:23,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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 23:45:23,549 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:23,549 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] [2024-11-16 23:45:23,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:45:23,550 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:23,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:23,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2124122619, now seen corresponding path program 1 times [2024-11-16 23:45:23,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:23,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692438180] [2024-11-16 23:45:23,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:23,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:23,615 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 23:45:23,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:23,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692438180] [2024-11-16 23:45:23,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692438180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:23,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:23,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:23,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872929444] [2024-11-16 23:45:23,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:23,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:23,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:23,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:23,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:23,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 235 [2024-11-16 23:45:23,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 199 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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 23:45:23,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:23,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 235 [2024-11-16 23:45:23,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:24,179 INFO L124 PetriNetUnfolderBase]: 2090/5019 cut-off events. [2024-11-16 23:45:24,180 INFO L125 PetriNetUnfolderBase]: For 242/242 co-relation queries the response was YES. [2024-11-16 23:45:24,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8324 conditions, 5019 events. 2090/5019 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 40340 event pairs, 809 based on Foata normal form. 0/4540 useless extension candidates. Maximal degree in co-relation 6378. Up to 1626 conditions per place. [2024-11-16 23:45:24,217 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 37 selfloop transitions, 1 changer transitions 6/211 dead transitions. [2024-11-16 23:45:24,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 211 transitions, 522 flow [2024-11-16 23:45:24,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-16 23:45:24,220 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.902127659574468 [2024-11-16 23:45:24,220 INFO L175 Difference]: Start difference. First operand has 206 places, 199 transitions, 412 flow. Second operand 3 states and 636 transitions. [2024-11-16 23:45:24,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 211 transitions, 522 flow [2024-11-16 23:45:24,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 211 transitions, 518 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:45:24,226 INFO L231 Difference]: Finished difference. Result has 205 places, 194 transitions, 400 flow [2024-11-16 23:45:24,226 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=205, PETRI_TRANSITIONS=194} [2024-11-16 23:45:24,227 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -14 predicate places. [2024-11-16 23:45:24,227 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 194 transitions, 400 flow [2024-11-16 23:45:24,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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 23:45:24,228 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:24,228 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:45:24,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:45:24,228 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:24,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1415709043, now seen corresponding path program 1 times [2024-11-16 23:45:24,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:24,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682833340] [2024-11-16 23:45:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:24,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:45:24,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:24,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682833340] [2024-11-16 23:45:24,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682833340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:24,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:24,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:24,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021390359] [2024-11-16 23:45:24,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:24,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:24,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:24,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:24,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:24,307 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 235 [2024-11-16 23:45:24,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 194 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 23:45:24,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:24,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 235 [2024-11-16 23:45:24,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:24,867 INFO L124 PetriNetUnfolderBase]: 2100/5349 cut-off events. [2024-11-16 23:45:24,867 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-11-16 23:45:24,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8453 conditions, 5349 events. 2100/5349 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 44761 event pairs, 1147 based on Foata normal form. 0/4565 useless extension candidates. Maximal degree in co-relation 7132. Up to 2129 conditions per place. [2024-11-16 23:45:24,888 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 40 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-11-16 23:45:24,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 206 transitions, 511 flow [2024-11-16 23:45:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 631 transitions. [2024-11-16 23:45:24,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8950354609929078 [2024-11-16 23:45:24,891 INFO L175 Difference]: Start difference. First operand has 205 places, 194 transitions, 400 flow. Second operand 3 states and 631 transitions. [2024-11-16 23:45:24,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 206 transitions, 511 flow [2024-11-16 23:45:24,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 206 transitions, 510 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:45:24,894 INFO L231 Difference]: Finished difference. Result has 201 places, 193 transitions, 401 flow [2024-11-16 23:45:24,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=201, PETRI_TRANSITIONS=193} [2024-11-16 23:45:24,897 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -18 predicate places. [2024-11-16 23:45:24,898 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 193 transitions, 401 flow [2024-11-16 23:45:24,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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 23:45:24,898 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:45:24,898 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:45:24,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:45:24,898 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-16 23:45:24,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:45:24,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1759105653, now seen corresponding path program 1 times [2024-11-16 23:45:24,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:45:24,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111136836] [2024-11-16 23:45:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:45:24,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:45:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:45:24,954 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 23:45:24,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:45:24,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111136836] [2024-11-16 23:45:24,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111136836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:45:24,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:45:24,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:45:24,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585988145] [2024-11-16 23:45:24,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:45:24,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:45:24,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:45:24,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:45:24,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:45:24,973 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 235 [2024-11-16 23:45:24,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 193 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 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 23:45:24,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:45:24,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 235 [2024-11-16 23:45:24,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:45:25,283 INFO L124 PetriNetUnfolderBase]: 1527/4385 cut-off events. [2024-11-16 23:45:25,283 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-11-16 23:45:25,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6793 conditions, 4385 events. 1527/4385 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 36487 event pairs, 686 based on Foata normal form. 0/3814 useless extension candidates. Maximal degree in co-relation 5472. Up to 1242 conditions per place. [2024-11-16 23:45:25,299 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 0 selfloop transitions, 0 changer transitions 205/205 dead transitions. [2024-11-16 23:45:25,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 205 transitions, 508 flow [2024-11-16 23:45:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:45:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:45:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2024-11-16 23:45:25,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900709219858156 [2024-11-16 23:45:25,302 INFO L175 Difference]: Start difference. First operand has 201 places, 193 transitions, 401 flow. Second operand 3 states and 635 transitions. [2024-11-16 23:45:25,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 205 transitions, 508 flow [2024-11-16 23:45:25,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 205 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:45:25,305 INFO L231 Difference]: Finished difference. Result has 200 places, 0 transitions, 0 flow [2024-11-16 23:45:25,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=200, PETRI_TRANSITIONS=0} [2024-11-16 23:45:25,306 INFO L277 CegarLoopForPetriNet]: 219 programPoint places, -19 predicate places. [2024-11-16 23:45:25,306 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 0 transitions, 0 flow [2024-11-16 23:45:25,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 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 23:45:25,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2024-11-16 23:45:25,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2024-11-16 23:45:25,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2024-11-16 23:45:25,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2024-11-16 23:45:25,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2024-11-16 23:45:25,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2024-11-16 23:45:25,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2024-11-16 23:45:25,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2024-11-16 23:45:25,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2024-11-16 23:45:25,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2024-11-16 23:45:25,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 24 remaining) [2024-11-16 23:45:25,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 24 remaining) [2024-11-16 23:45:25,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 24 remaining) [2024-11-16 23:45:25,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 24 remaining) [2024-11-16 23:45:25,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2024-11-16 23:45:25,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2024-11-16 23:45:25,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2024-11-16 23:45:25,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2024-11-16 23:45:25,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2024-11-16 23:45:25,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2024-11-16 23:45:25,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2024-11-16 23:45:25,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2024-11-16 23:45:25,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2024-11-16 23:45:25,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2024-11-16 23:45:25,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:45:25,313 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:45:25,318 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:45:25,319 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:45:25,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:45:25 BasicIcfg [2024-11-16 23:45:25,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:45:25,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:45:25,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:45:25,325 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:45:25,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:45:14" (3/4) ... [2024-11-16 23:45:25,328 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:45:25,331 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:45:25,331 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:45:25,331 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:45:25,331 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-16 23:45:25,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-16 23:45:25,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:45:25,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:45:25,336 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:45:25,428 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:45:25,429 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:45:25,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:45:25,430 INFO L158 Benchmark]: Toolchain (without parser) took 11714.63ms. Allocated memory was 176.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 115.8MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 584.3MB. Max. memory is 16.1GB. [2024-11-16 23:45:25,430 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:45:25,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.16ms. Allocated memory is still 176.2MB. Free memory was 115.4MB in the beginning and 139.5MB in the end (delta: -24.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 23:45:25,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.91ms. Allocated memory is still 176.2MB. Free memory was 139.5MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:45:25,431 INFO L158 Benchmark]: Boogie Preprocessor took 28.48ms. Allocated memory is still 176.2MB. Free memory was 137.4MB in the beginning and 136.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:45:25,431 INFO L158 Benchmark]: IcfgBuilder took 622.30ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 113.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 23:45:25,431 INFO L158 Benchmark]: TraceAbstraction took 10585.58ms. Allocated memory was 176.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 113.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 578.6MB. Max. memory is 16.1GB. [2024-11-16 23:45:25,431 INFO L158 Benchmark]: Witness Printer took 104.86ms. Allocated memory is still 2.1GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:45:25,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.16ms. Allocated memory is still 176.2MB. Free memory was 115.4MB in the beginning and 139.5MB in the end (delta: -24.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.91ms. Allocated memory is still 176.2MB. Free memory was 139.5MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.48ms. Allocated memory is still 176.2MB. Free memory was 137.4MB in the beginning and 136.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 622.30ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 113.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10585.58ms. Allocated memory was 176.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 113.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 578.6MB. Max. memory is 16.1GB. * Witness Printer took 104.86ms. Allocated memory is still 2.1GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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 9 procedures, 335 locations, 24 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: 10.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 300 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 839 IncrementalHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 839 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 0.6s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 900 ConstructedInterpolants, 0 QuantifiedInterpolants, 924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:45:25,467 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