./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:38:40,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:38:40,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:38:40,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:38:40,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:38:40,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:38:40,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:38:40,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:38:40,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:38:40,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:38:40,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:38:40,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:38:40,809 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:38:40,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:38:40,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:38:40,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:38:40,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:38:40,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:38:40,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:38:40,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:38:40,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:38:40,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:38:40,814 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:38:40,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:38:40,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:38:40,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:38:40,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:38:40,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:38:40,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:38:40,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:38:40,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:38:40,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:38:40,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:38:40,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:38:40,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:38:40,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:38:40,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:38:40,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:38:40,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:38:40,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:38:40,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:38:40,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 [2024-11-12 12:38:41,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:38:41,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:38:41,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:38:41,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:38:41,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:38:41,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-12 12:38:42,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:38:42,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:38:42,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-11-12 12:38:42,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e6efd36/91c40be75e544d8d992b7038806fd19f/FLAGd521d60ac [2024-11-12 12:38:42,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e6efd36/91c40be75e544d8d992b7038806fd19f [2024-11-12 12:38:42,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:38:42,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:38:42,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:38:42,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:38:42,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:38:42,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:38:42" (1/1) ... [2024-11-12 12:38:42,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24126645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:42, skipping insertion in model container [2024-11-12 12:38:42,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:38:42" (1/1) ... [2024-11-12 12:38:42,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:38:43,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:38:43,029 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:38:43,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:38:43,088 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:38:43,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43 WrapperNode [2024-11-12 12:38:43,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:38:43,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:38:43,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:38:43,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:38:43,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,130 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 214 [2024-11-12 12:38:43,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:38:43,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:38:43,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:38:43,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:38:43,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:38:43,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:38:43,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:38:43,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:38:43,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (1/1) ... [2024-11-12 12:38:43,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:38:43,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:38:43,225 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) [2024-11-12 12:38:43,263 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 [2024-11-12 12:38:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:38:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:38:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:38:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:38:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:38:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-12 12:38:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-12 12:38:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-12 12:38:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-12 12:38:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:38:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:38:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:38:43,339 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:38:43,463 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:38:43,466 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:38:43,844 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:38:43,845 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:38:43,886 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:38:43,887 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 12:38:43,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:38:43 BoogieIcfgContainer [2024-11-12 12:38:43,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:38:43,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:38:43,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:38:43,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:38:43,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:38:42" (1/3) ... [2024-11-12 12:38:43,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b01d26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:38:43, skipping insertion in model container [2024-11-12 12:38:43,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:38:43" (2/3) ... [2024-11-12 12:38:43,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b01d26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:38:43, skipping insertion in model container [2024-11-12 12:38:43,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:38:43" (3/3) ... [2024-11-12 12:38:43,898 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-11-12 12:38:43,915 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:38:43,915 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-12 12:38:43,915 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:38:44,031 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-12 12:38:44,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 235 transitions, 498 flow [2024-11-12 12:38:44,195 INFO L124 PetriNetUnfolderBase]: 9/231 cut-off events. [2024-11-12 12:38:44,197 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:38:44,208 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 349 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. [2024-11-12 12:38:44,208 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 235 transitions, 498 flow [2024-11-12 12:38:44,215 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 214 transitions, 449 flow [2024-11-12 12:38:44,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:38:44,235 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;@69cc21ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:38:44,235 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-12 12:38:44,244 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:38:44,244 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-12 12:38:44,245 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:38:44,245 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:44,248 INFO L206 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] [2024-11-12 12:38:44,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:44,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:44,256 INFO L85 PathProgramCache]: Analyzing trace with hash -578257067, now seen corresponding path program 1 times [2024-11-12 12:38:44,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:44,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046737858] [2024-11-12 12:38:44,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:44,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:44,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:44,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046737858] [2024-11-12 12:38:44,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046737858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:44,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:44,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:44,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847157496] [2024-11-12 12:38:44,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:44,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:44,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:44,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:44,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:44,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 235 [2024-11-12 12:38:44,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 214 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-12 12:38:44,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:44,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 235 [2024-11-12 12:38:44,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:45,207 INFO L124 PetriNetUnfolderBase]: 527/3114 cut-off events. [2024-11-12 12:38:45,208 INFO L125 PetriNetUnfolderBase]: For 183/183 co-relation queries the response was YES. [2024-11-12 12:38:45,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3969 conditions, 3114 events. 527/3114 cut-off events. For 183/183 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 28033 event pairs, 434 based on Foata normal form. 191/2813 useless extension candidates. Maximal degree in co-relation 3687. Up to 677 conditions per place. [2024-11-12 12:38:45,251 INFO L140 encePairwiseOnDemand]: 227/235 looper letters, 20 selfloop transitions, 2 changer transitions 1/208 dead transitions. [2024-11-12 12:38:45,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 208 transitions, 481 flow [2024-11-12 12:38:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2024-11-12 12:38:45,269 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9035460992907801 [2024-11-12 12:38:45,271 INFO L175 Difference]: Start difference. First operand has 219 places, 214 transitions, 449 flow. Second operand 3 states and 637 transitions. [2024-11-12 12:38:45,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 208 transitions, 481 flow [2024-11-12 12:38:45,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 208 transitions, 468 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-12 12:38:45,283 INFO L231 Difference]: Finished difference. Result has 213 places, 207 transitions, 426 flow [2024-11-12 12:38:45,286 INFO L262 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} [2024-11-12 12:38:45,291 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -6 predicate places. [2024-11-12 12:38:45,292 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 207 transitions, 426 flow [2024-11-12 12:38:45,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-12 12:38:45,292 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:45,293 INFO L206 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] [2024-11-12 12:38:45,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:38:45,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:45,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:45,295 INFO L85 PathProgramCache]: Analyzing trace with hash -879382998, now seen corresponding path program 1 times [2024-11-12 12:38:45,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:45,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469858077] [2024-11-12 12:38:45,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:45,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:45,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:45,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469858077] [2024-11-12 12:38:45,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469858077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:45,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:45,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:45,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65036604] [2024-11-12 12:38:45,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:45,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:45,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:45,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:45,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:45,376 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 235 [2024-11-12 12:38:45,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 207 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-12 12:38:45,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:45,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 235 [2024-11-12 12:38:45,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:45,883 INFO L124 PetriNetUnfolderBase]: 561/3050 cut-off events. [2024-11-12 12:38:45,884 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-11-12 12:38:45,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3898 conditions, 3050 events. 561/3050 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 26818 event pairs, 474 based on Foata normal form. 0/2564 useless extension candidates. Maximal degree in co-relation 3864. Up to 733 conditions per place. [2024-11-12 12:38:45,912 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 20 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-11-12 12:38:45,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 206 transitions, 468 flow [2024-11-12 12:38:45,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2024-11-12 12:38:45,916 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2024-11-12 12:38:45,916 INFO L175 Difference]: Start difference. First operand has 213 places, 207 transitions, 426 flow. Second operand 3 states and 632 transitions. [2024-11-12 12:38:45,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 206 transitions, 468 flow [2024-11-12 12:38:45,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 206 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:45,925 INFO L231 Difference]: Finished difference. Result has 211 places, 206 transitions, 424 flow [2024-11-12 12:38:45,925 INFO L262 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} [2024-11-12 12:38:45,926 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -8 predicate places. [2024-11-12 12:38:45,926 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 206 transitions, 424 flow [2024-11-12 12:38:45,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-12 12:38:45,927 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:45,927 INFO L206 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] [2024-11-12 12:38:45,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:38:45,928 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:45,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:45,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1772624164, now seen corresponding path program 1 times [2024-11-12 12:38:45,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:45,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752109836] [2024-11-12 12:38:45,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:45,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:46,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:46,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752109836] [2024-11-12 12:38:46,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752109836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:46,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:46,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:46,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564441007] [2024-11-12 12:38:46,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:46,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:46,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:46,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:46,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:46,041 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 235 [2024-11-12 12:38:46,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 206 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-12 12:38:46,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:46,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 235 [2024-11-12 12:38:46,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:46,410 INFO L124 PetriNetUnfolderBase]: 543/2599 cut-off events. [2024-11-12 12:38:46,410 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-12 12:38:46,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3441 conditions, 2599 events. 543/2599 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 21671 event pairs, 474 based on Foata normal form. 0/2181 useless extension candidates. Maximal degree in co-relation 3399. Up to 733 conditions per place. [2024-11-12 12:38:46,438 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 20 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2024-11-12 12:38:46,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 205 transitions, 466 flow [2024-11-12 12:38:46,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2024-11-12 12:38:46,441 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2024-11-12 12:38:46,441 INFO L175 Difference]: Start difference. First operand has 211 places, 206 transitions, 424 flow. Second operand 3 states and 632 transitions. [2024-11-12 12:38:46,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 205 transitions, 466 flow [2024-11-12 12:38:46,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 205 transitions, 462 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:46,448 INFO L231 Difference]: Finished difference. Result has 210 places, 205 transitions, 422 flow [2024-11-12 12:38:46,448 INFO L262 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} [2024-11-12 12:38:46,449 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -9 predicate places. [2024-11-12 12:38:46,449 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 205 transitions, 422 flow [2024-11-12 12:38:46,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-12 12:38:46,450 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:46,450 INFO L206 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] [2024-11-12 12:38:46,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:38:46,450 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:46,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:46,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1586379333, now seen corresponding path program 1 times [2024-11-12 12:38:46,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:46,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209297854] [2024-11-12 12:38:46,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:46,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:46,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209297854] [2024-11-12 12:38:46,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209297854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:46,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:46,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:46,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177010202] [2024-11-12 12:38:46,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:46,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:46,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:46,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:46,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:46,523 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 235 [2024-11-12 12:38:46,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 205 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-12 12:38:46,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:46,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 235 [2024-11-12 12:38:46,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:47,009 INFO L124 PetriNetUnfolderBase]: 531/3264 cut-off events. [2024-11-12 12:38:47,009 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-11-12 12:38:47,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4014 conditions, 3264 events. 531/3264 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 29258 event pairs, 434 based on Foata normal form. 0/2760 useless extension candidates. Maximal degree in co-relation 3964. Up to 677 conditions per place. [2024-11-12 12:38:47,047 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 20 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2024-11-12 12:38:47,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 204 transitions, 464 flow [2024-11-12 12:38:47,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2024-11-12 12:38:47,050 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2024-11-12 12:38:47,051 INFO L175 Difference]: Start difference. First operand has 210 places, 205 transitions, 422 flow. Second operand 3 states and 632 transitions. [2024-11-12 12:38:47,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 204 transitions, 464 flow [2024-11-12 12:38:47,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 204 transitions, 460 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:47,055 INFO L231 Difference]: Finished difference. Result has 209 places, 204 transitions, 420 flow [2024-11-12 12:38:47,056 INFO L262 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} [2024-11-12 12:38:47,057 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -10 predicate places. [2024-11-12 12:38:47,057 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 204 transitions, 420 flow [2024-11-12 12:38:47,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 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) [2024-11-12 12:38:47,058 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:47,058 INFO L206 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] [2024-11-12 12:38:47,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:38:47,059 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:47,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:47,060 INFO L85 PathProgramCache]: Analyzing trace with hash 2145211804, now seen corresponding path program 1 times [2024-11-12 12:38:47,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:47,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169883703] [2024-11-12 12:38:47,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:47,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:47,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:47,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169883703] [2024-11-12 12:38:47,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169883703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:47,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:47,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:47,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368496255] [2024-11-12 12:38:47,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:47,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:47,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:47,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:47,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:47,208 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 235 [2024-11-12 12:38:47,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 204 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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) [2024-11-12 12:38:47,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:47,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 235 [2024-11-12 12:38:47,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:47,630 INFO L124 PetriNetUnfolderBase]: 767/3562 cut-off events. [2024-11-12 12:38:47,631 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-12 12:38:47,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4781 conditions, 3562 events. 767/3562 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 32948 event pairs, 515 based on Foata normal form. 0/3030 useless extension candidates. Maximal degree in co-relation 4723. Up to 796 conditions per place. [2024-11-12 12:38:47,681 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 28 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-12 12:38:47,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 212 transitions, 500 flow [2024-11-12 12:38:47,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-12 12:38:47,685 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163120567375886 [2024-11-12 12:38:47,685 INFO L175 Difference]: Start difference. First operand has 209 places, 204 transitions, 420 flow. Second operand 3 states and 646 transitions. [2024-11-12 12:38:47,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 212 transitions, 500 flow [2024-11-12 12:38:47,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 212 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:47,689 INFO L231 Difference]: Finished difference. Result has 208 places, 203 transitions, 418 flow [2024-11-12 12:38:47,690 INFO L262 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} [2024-11-12 12:38:47,692 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -11 predicate places. [2024-11-12 12:38:47,692 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 203 transitions, 418 flow [2024-11-12 12:38:47,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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) [2024-11-12 12:38:47,694 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:47,694 INFO L206 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] [2024-11-12 12:38:47,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:38:47,695 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:47,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:47,697 INFO L85 PathProgramCache]: Analyzing trace with hash 12936735, now seen corresponding path program 1 times [2024-11-12 12:38:47,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:47,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519014391] [2024-11-12 12:38:47,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:47,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:47,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:47,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519014391] [2024-11-12 12:38:47,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519014391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:47,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:47,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:47,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375558710] [2024-11-12 12:38:47,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:47,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:47,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:47,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:47,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:47,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 235 [2024-11-12 12:38:47,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 203 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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) [2024-11-12 12:38:47,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:47,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 235 [2024-11-12 12:38:47,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:48,107 INFO L124 PetriNetUnfolderBase]: 563/2526 cut-off events. [2024-11-12 12:38:48,107 INFO L125 PetriNetUnfolderBase]: For 67/67 co-relation queries the response was YES. [2024-11-12 12:38:48,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3507 conditions, 2526 events. 563/2526 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 21785 event pairs, 204 based on Foata normal form. 0/2198 useless extension candidates. Maximal degree in co-relation 2358. Up to 470 conditions per place. [2024-11-12 12:38:48,131 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 27 selfloop transitions, 1 changer transitions 0/211 dead transitions. [2024-11-12 12:38:48,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 211 transitions, 494 flow [2024-11-12 12:38:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-12 12:38:48,134 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2024-11-12 12:38:48,134 INFO L175 Difference]: Start difference. First operand has 208 places, 203 transitions, 418 flow. Second operand 3 states and 650 transitions. [2024-11-12 12:38:48,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 211 transitions, 494 flow [2024-11-12 12:38:48,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 211 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:48,138 INFO L231 Difference]: Finished difference. Result has 207 places, 202 transitions, 414 flow [2024-11-12 12:38:48,139 INFO L262 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} [2024-11-12 12:38:48,139 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -12 predicate places. [2024-11-12 12:38:48,140 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 202 transitions, 414 flow [2024-11-12 12:38:48,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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) [2024-11-12 12:38:48,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:48,140 INFO L206 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] [2024-11-12 12:38:48,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:38:48,141 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:48,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1900918386, now seen corresponding path program 1 times [2024-11-12 12:38:48,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:48,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136557188] [2024-11-12 12:38:48,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:48,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:48,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:48,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136557188] [2024-11-12 12:38:48,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136557188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:48,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:48,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:48,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92855771] [2024-11-12 12:38:48,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:48,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:48,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:48,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:48,207 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 235 [2024-11-12 12:38:48,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 202 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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) [2024-11-12 12:38:48,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:48,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 235 [2024-11-12 12:38:48,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:48,579 INFO L124 PetriNetUnfolderBase]: 875/3414 cut-off events. [2024-11-12 12:38:48,580 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-11-12 12:38:48,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4776 conditions, 3414 events. 875/3414 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 30018 event pairs, 575 based on Foata normal form. 0/2910 useless extension candidates. Maximal degree in co-relation 3540. Up to 880 conditions per place. [2024-11-12 12:38:48,658 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 28 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2024-11-12 12:38:48,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 210 transitions, 494 flow [2024-11-12 12:38:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:48,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-12 12:38:48,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163120567375886 [2024-11-12 12:38:48,661 INFO L175 Difference]: Start difference. First operand has 207 places, 202 transitions, 414 flow. Second operand 3 states and 646 transitions. [2024-11-12 12:38:48,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 210 transitions, 494 flow [2024-11-12 12:38:48,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 210 transitions, 493 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:38:48,664 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 415 flow [2024-11-12 12:38:48,665 INFO L262 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} [2024-11-12 12:38:48,665 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -12 predicate places. [2024-11-12 12:38:48,666 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 415 flow [2024-11-12 12:38:48,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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) [2024-11-12 12:38:48,666 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:48,667 INFO L206 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] [2024-11-12 12:38:48,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:38:48,667 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:48,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:48,668 INFO L85 PathProgramCache]: Analyzing trace with hash -213432431, now seen corresponding path program 1 times [2024-11-12 12:38:48,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:48,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351575751] [2024-11-12 12:38:48,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:48,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:48,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:48,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351575751] [2024-11-12 12:38:48,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351575751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:48,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:48,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:48,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174988252] [2024-11-12 12:38:48,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:48,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:48,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:48,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:48,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:48,720 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 235 [2024-11-12 12:38:48,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-11-12 12:38:48,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:48,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 235 [2024-11-12 12:38:48,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:49,016 INFO L124 PetriNetUnfolderBase]: 652/2799 cut-off events. [2024-11-12 12:38:49,016 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2024-11-12 12:38:49,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3891 conditions, 2799 events. 652/2799 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 23752 event pairs, 323 based on Foata normal form. 0/2454 useless extension candidates. Maximal degree in co-relation 2821. Up to 473 conditions per place. [2024-11-12 12:38:49,041 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 27 selfloop transitions, 1 changer transitions 0/209 dead transitions. [2024-11-12 12:38:49,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 209 transitions, 491 flow [2024-11-12 12:38:49,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-12 12:38:49,044 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2024-11-12 12:38:49,044 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 415 flow. Second operand 3 states and 650 transitions. [2024-11-12 12:38:49,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 209 transitions, 491 flow [2024-11-12 12:38:49,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 209 transitions, 487 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:49,048 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 411 flow [2024-11-12 12:38:49,049 INFO L262 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} [2024-11-12 12:38:49,049 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -13 predicate places. [2024-11-12 12:38:49,050 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 411 flow [2024-11-12 12:38:49,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-11-12 12:38:49,050 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:49,051 INFO L206 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] [2024-11-12 12:38:49,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:38:49,051 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:49,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:49,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2115897202, now seen corresponding path program 1 times [2024-11-12 12:38:49,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:49,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781838226] [2024-11-12 12:38:49,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:49,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:49,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:49,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781838226] [2024-11-12 12:38:49,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781838226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:49,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:49,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:49,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449725773] [2024-11-12 12:38:49,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:49,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:49,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:49,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:49,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:49,103 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 235 [2024-11-12 12:38:49,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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) [2024-11-12 12:38:49,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:49,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 235 [2024-11-12 12:38:49,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:49,395 INFO L124 PetriNetUnfolderBase]: 848/2824 cut-off events. [2024-11-12 12:38:49,395 INFO L125 PetriNetUnfolderBase]: For 99/99 co-relation queries the response was YES. [2024-11-12 12:38:49,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4193 conditions, 2824 events. 848/2824 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 22243 event pairs, 548 based on Foata normal form. 0/2475 useless extension candidates. Maximal degree in co-relation 2912. Up to 880 conditions per place. [2024-11-12 12:38:49,419 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 28 selfloop transitions, 2 changer transitions 0/208 dead transitions. [2024-11-12 12:38:49,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 208 transitions, 491 flow [2024-11-12 12:38:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-12 12:38:49,421 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163120567375886 [2024-11-12 12:38:49,421 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 411 flow. Second operand 3 states and 646 transitions. [2024-11-12 12:38:49,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 208 transitions, 491 flow [2024-11-12 12:38:49,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 208 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:38:49,425 INFO L231 Difference]: Finished difference. Result has 206 places, 199 transitions, 412 flow [2024-11-12 12:38:49,425 INFO L262 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} [2024-11-12 12:38:49,426 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -13 predicate places. [2024-11-12 12:38:49,426 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 199 transitions, 412 flow [2024-11-12 12:38:49,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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) [2024-11-12 12:38:49,426 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:49,427 INFO L206 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] [2024-11-12 12:38:49,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:38:49,427 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:49,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:49,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1457118667, now seen corresponding path program 1 times [2024-11-12 12:38:49,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:49,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401461671] [2024-11-12 12:38:49,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:49,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:49,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:49,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:49,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401461671] [2024-11-12 12:38:49,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401461671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:49,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:49,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:49,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383631381] [2024-11-12 12:38:49,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:49,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:49,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:49,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:49,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:49,496 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 235 [2024-11-12 12:38:49,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 199 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 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) [2024-11-12 12:38:49,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:49,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 235 [2024-11-12 12:38:49,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:49,754 INFO L124 PetriNetUnfolderBase]: 637/2464 cut-off events. [2024-11-12 12:38:49,754 INFO L125 PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES. [2024-11-12 12:38:49,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3587 conditions, 2464 events. 637/2464 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 19432 event pairs, 297 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 2475. Up to 452 conditions per place. [2024-11-12 12:38:49,777 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 27 selfloop transitions, 1 changer transitions 0/207 dead transitions. [2024-11-12 12:38:49,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 207 transitions, 488 flow [2024-11-12 12:38:49,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-12 12:38:49,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2024-11-12 12:38:49,780 INFO L175 Difference]: Start difference. First operand has 206 places, 199 transitions, 412 flow. Second operand 3 states and 650 transitions. [2024-11-12 12:38:49,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 207 transitions, 488 flow [2024-11-12 12:38:49,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 207 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:49,784 INFO L231 Difference]: Finished difference. Result has 205 places, 198 transitions, 408 flow [2024-11-12 12:38:49,785 INFO L262 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=408, PETRI_PLACES=205, PETRI_TRANSITIONS=198} [2024-11-12 12:38:49,785 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -14 predicate places. [2024-11-12 12:38:49,786 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 198 transitions, 408 flow [2024-11-12 12:38:49,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 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) [2024-11-12 12:38:49,786 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:49,787 INFO L206 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] [2024-11-12 12:38:49,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:38:49,787 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:49,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:49,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2117028161, now seen corresponding path program 1 times [2024-11-12 12:38:49,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:49,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208079459] [2024-11-12 12:38:49,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:49,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:49,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:49,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208079459] [2024-11-12 12:38:49,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208079459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:49,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:49,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:49,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716414992] [2024-11-12 12:38:49,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:49,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:49,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:49,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:49,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:49,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 235 [2024-11-12 12:38:49,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 198 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 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) [2024-11-12 12:38:49,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:49,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 235 [2024-11-12 12:38:49,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:50,259 INFO L124 PetriNetUnfolderBase]: 779/3277 cut-off events. [2024-11-12 12:38:50,259 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2024-11-12 12:38:50,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4456 conditions, 3277 events. 779/3277 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 27715 event pairs, 515 based on Foata normal form. 0/2870 useless extension candidates. Maximal degree in co-relation 3688. Up to 796 conditions per place. [2024-11-12 12:38:50,288 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 28 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2024-11-12 12:38:50,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 206 transitions, 487 flow [2024-11-12 12:38:50,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-12 12:38:50,290 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9163120567375886 [2024-11-12 12:38:50,290 INFO L175 Difference]: Start difference. First operand has 205 places, 198 transitions, 408 flow. Second operand 3 states and 646 transitions. [2024-11-12 12:38:50,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 206 transitions, 487 flow [2024-11-12 12:38:50,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 206 transitions, 486 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:38:50,295 INFO L231 Difference]: Finished difference. Result has 205 places, 197 transitions, 409 flow [2024-11-12 12:38:50,295 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=205, PETRI_TRANSITIONS=197} [2024-11-12 12:38:50,296 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -14 predicate places. [2024-11-12 12:38:50,296 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 197 transitions, 409 flow [2024-11-12 12:38:50,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 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) [2024-11-12 12:38:50,297 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:38:50,297 INFO L206 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] [2024-11-12 12:38:50,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:38:50,297 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:38:50,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:38:50,298 INFO L85 PathProgramCache]: Analyzing trace with hash 707989954, now seen corresponding path program 1 times [2024-11-12 12:38:50,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:38:50,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717187465] [2024-11-12 12:38:50,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:38:50,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:38:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:38:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:38:50,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:38:50,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717187465] [2024-11-12 12:38:50,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717187465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:38:50,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:38:50,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:38:50,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649584733] [2024-11-12 12:38:50,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:38:50,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:38:50,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:38:50,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:38:50,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:38:50,357 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 235 [2024-11-12 12:38:50,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 197 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 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) [2024-11-12 12:38:50,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:38:50,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 235 [2024-11-12 12:38:50,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:38:50,633 INFO L124 PetriNetUnfolderBase]: 617/2919 cut-off events. [2024-11-12 12:38:50,634 INFO L125 PetriNetUnfolderBase]: For 118/118 co-relation queries the response was YES. [2024-11-12 12:38:50,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3897 conditions, 2919 events. 617/2919 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 24348 event pairs, 272 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 3129. Up to 433 conditions per place. [2024-11-12 12:38:50,652 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 0 selfloop transitions, 0 changer transitions 205/205 dead transitions. [2024-11-12 12:38:50,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 205 transitions, 484 flow [2024-11-12 12:38:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:38:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:38:50,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-12 12:38:50,654 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2024-11-12 12:38:50,654 INFO L175 Difference]: Start difference. First operand has 205 places, 197 transitions, 409 flow. Second operand 3 states and 650 transitions. [2024-11-12 12:38:50,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 205 transitions, 484 flow [2024-11-12 12:38:50,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 205 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:38:50,657 INFO L231 Difference]: Finished difference. Result has 204 places, 0 transitions, 0 flow [2024-11-12 12:38:50,657 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=204, PETRI_TRANSITIONS=0} [2024-11-12 12:38:50,658 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -15 predicate places. [2024-11-12 12:38:50,658 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 0 transitions, 0 flow [2024-11-12 12:38:50,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 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) [2024-11-12 12:38:50,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2024-11-12 12:38:50,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2024-11-12 12:38:50,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2024-11-12 12:38:50,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2024-11-12 12:38:50,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2024-11-12 12:38:50,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2024-11-12 12:38:50,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2024-11-12 12:38:50,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2024-11-12 12:38:50,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2024-11-12 12:38:50,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2024-11-12 12:38:50,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 24 remaining) [2024-11-12 12:38:50,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 24 remaining) [2024-11-12 12:38:50,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 24 remaining) [2024-11-12 12:38:50,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 24 remaining) [2024-11-12 12:38:50,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2024-11-12 12:38:50,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2024-11-12 12:38:50,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2024-11-12 12:38:50,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2024-11-12 12:38:50,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2024-11-12 12:38:50,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2024-11-12 12:38:50,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2024-11-12 12:38:50,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2024-11-12 12:38:50,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2024-11-12 12:38:50,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2024-11-12 12:38:50,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 12:38:50,666 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:38:50,671 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:38:50,671 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:38:50,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:38:50 BasicIcfg [2024-11-12 12:38:50,675 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:38:50,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:38:50,676 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:38:50,676 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:38:50,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:38:43" (3/4) ... [2024-11-12 12:38:50,678 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:38:50,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-12 12:38:50,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-12 12:38:50,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-12 12:38:50,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-12 12:38:50,685 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-12 12:38:50,685 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:38:50,686 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-12 12:38:50,686 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:38:50,763 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:38:50,764 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:38:50,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:38:50,765 INFO L158 Benchmark]: Toolchain (without parser) took 7983.78ms. Allocated memory was 172.0MB in the beginning and 576.7MB in the end (delta: 404.8MB). Free memory was 104.5MB in the beginning and 148.9MB in the end (delta: -44.3MB). Peak memory consumption was 362.5MB. Max. memory is 16.1GB. [2024-11-12 12:38:50,765 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 172.0MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:38:50,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.85ms. Allocated memory is still 172.0MB. Free memory was 104.3MB in the beginning and 90.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 12:38:50,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.36ms. Allocated memory is still 172.0MB. Free memory was 90.9MB in the beginning and 88.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:38:50,766 INFO L158 Benchmark]: Boogie Preprocessor took 37.78ms. Allocated memory is still 172.0MB. Free memory was 88.7MB in the beginning and 87.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:38:50,766 INFO L158 Benchmark]: RCFGBuilder took 717.75ms. Allocated memory is still 172.0MB. Free memory was 87.1MB in the beginning and 125.0MB in the end (delta: -37.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-12 12:38:50,766 INFO L158 Benchmark]: TraceAbstraction took 6784.74ms. Allocated memory was 172.0MB in the beginning and 576.7MB in the end (delta: 404.8MB). Free memory was 124.2MB in the beginning and 154.1MB in the end (delta: -29.9MB). Peak memory consumption was 376.6MB. Max. memory is 16.1GB. [2024-11-12 12:38:50,766 INFO L158 Benchmark]: Witness Printer took 88.24ms. Allocated memory is still 576.7MB. Free memory was 154.1MB in the beginning and 148.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:38:50,768 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 172.0MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.85ms. Allocated memory is still 172.0MB. Free memory was 104.3MB in the beginning and 90.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.36ms. Allocated memory is still 172.0MB. Free memory was 90.9MB in the beginning and 88.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.78ms. Allocated memory is still 172.0MB. Free memory was 88.7MB in the beginning and 87.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.75ms. Allocated memory is still 172.0MB. Free memory was 87.1MB in the beginning and 125.0MB in the end (delta: -37.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6784.74ms. Allocated memory was 172.0MB in the beginning and 576.7MB in the end (delta: 404.8MB). Free memory was 124.2MB in the beginning and 154.1MB in the end (delta: -29.9MB). Peak memory consumption was 376.6MB. Max. memory is 16.1GB. * Witness Printer took 88.24ms. Allocated memory is still 576.7MB. Free memory was 154.1MB in the beginning and 148.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 6.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 266 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 605 IncrementalHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 605 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, 0.5s 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! [2024-11-12 12:38:50,796 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