./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x4.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 f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:52:04,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:52:04,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:52:04,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:52:04,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:52:04,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:52:04,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:52:04,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:52:04,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:52:04,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:52:04,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:52:04,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:52:04,217 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:52:04,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:52:04,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:52:04,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:52:04,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:52:04,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:52:04,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:52:04,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:52:04,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:52:04,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:52:04,224 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:52:04,224 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:52:04,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:52:04,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:52:04,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:52:04,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:52:04,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:52:04,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:52:04,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:52:04,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:52:04,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:52:04,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:52:04,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:52:04,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:52:04,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:52:04,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:52:04,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:52:04,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:52:04,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:52:04,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 [2024-11-20 13:52:04,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:52:04,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:52:04,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:52:04,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:52:04,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:52:04,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2024-11-20 13:52:05,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:52:06,139 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:52:06,140 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2024-11-20 13:52:06,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3f574d1/2065d7c0ae16443cbc70151d59d8f9ce/FLAGb3d17b033 [2024-11-20 13:52:06,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3f574d1/2065d7c0ae16443cbc70151d59d8f9ce [2024-11-20 13:52:06,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:52:06,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:52:06,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:52:06,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:52:06,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:52:06,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfad32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06, skipping insertion in model container [2024-11-20 13:52:06,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:52:06,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:52:06,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:52:06,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:52:06,497 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:52:06,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06 WrapperNode [2024-11-20 13:52:06,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:52:06,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:52:06,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:52:06,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:52:06,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,553 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-20 13:52:06,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:52:06,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:52:06,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:52:06,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:52:06,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:52:06,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:52:06,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:52:06,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:52:06,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (1/1) ... [2024-11-20 13:52:06,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:52:06,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:52:06,668 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) [2024-11-20 13:52:06,672 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 [2024-11-20 13:52:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:52:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:52:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:52:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:52:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:52:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-20 13:52:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-20 13:52:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-20 13:52:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-20 13:52:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:52:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:52:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:52:06,722 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:52:06,833 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:52:06,837 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:52:07,268 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:52:07,269 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:52:07,289 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:52:07,289 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 13:52:07,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:07 BoogieIcfgContainer [2024-11-20 13:52:07,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:52:07,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:52:07,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:52:07,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:52:07,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:52:06" (1/3) ... [2024-11-20 13:52:07,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39602be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:52:07, skipping insertion in model container [2024-11-20 13:52:07,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:06" (2/3) ... [2024-11-20 13:52:07,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39602be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:52:07, skipping insertion in model container [2024-11-20 13:52:07,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:07" (3/3) ... [2024-11-20 13:52:07,301 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2024-11-20 13:52:07,323 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:52:07,324 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2024-11-20 13:52:07,324 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:52:07,449 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-20 13:52:07,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 306 places, 307 transitions, 642 flow [2024-11-20 13:52:07,619 INFO L124 PetriNetUnfolderBase]: 14/303 cut-off events. [2024-11-20 13:52:07,619 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:52:07,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 303 events. 14/303 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 647 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2024-11-20 13:52:07,631 INFO L82 GeneralOperation]: Start removeDead. Operand has 306 places, 307 transitions, 642 flow [2024-11-20 13:52:07,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 284 places, 283 transitions, 590 flow [2024-11-20 13:52:07,654 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:52:07,665 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;@6d5fbe68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:52:07,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-11-20 13:52:07,670 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:52:07,670 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-20 13:52:07,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:52:07,671 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:07,671 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:07,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:07,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:07,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1997570522, now seen corresponding path program 1 times [2024-11-20 13:52:07,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:07,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758715885] [2024-11-20 13:52:07,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:07,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:07,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:07,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:07,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758715885] [2024-11-20 13:52:07,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758715885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:07,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:07,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:07,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096411930] [2024-11-20 13:52:07,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:07,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:07,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:07,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:07,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:07,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 307 [2024-11-20 13:52:07,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 283 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-11-20 13:52:07,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:07,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 307 [2024-11-20 13:52:07,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:08,140 INFO L124 PetriNetUnfolderBase]: 31/403 cut-off events. [2024-11-20 13:52:08,140 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-20 13:52:08,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 403 events. 31/403 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1624 event pairs, 21 based on Foata normal form. 55/375 useless extension candidates. Maximal degree in co-relation 389. Up to 67 conditions per place. [2024-11-20 13:52:08,152 INFO L140 encePairwiseOnDemand]: 299/307 looper letters, 21 selfloop transitions, 2 changer transitions 1/277 dead transitions. [2024-11-20 13:52:08,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 277 transitions, 624 flow [2024-11-20 13:52:08,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 854 transitions. [2024-11-20 13:52:08,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9272529858849077 [2024-11-20 13:52:08,178 INFO L175 Difference]: Start difference. First operand has 284 places, 283 transitions, 590 flow. Second operand 3 states and 854 transitions. [2024-11-20 13:52:08,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 277 transitions, 624 flow [2024-11-20 13:52:08,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 277 transitions, 608 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-20 13:52:08,220 INFO L231 Difference]: Finished difference. Result has 277 places, 276 transitions, 564 flow [2024-11-20 13:52:08,224 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=277, PETRI_TRANSITIONS=276} [2024-11-20 13:52:08,230 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -7 predicate places. [2024-11-20 13:52:08,230 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 276 transitions, 564 flow [2024-11-20 13:52:08,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-11-20 13:52:08,231 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:08,231 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:08,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:52:08,233 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:08,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:08,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1598495279, now seen corresponding path program 1 times [2024-11-20 13:52:08,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:08,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335082807] [2024-11-20 13:52:08,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:08,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:08,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335082807] [2024-11-20 13:52:08,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335082807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:08,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:08,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:08,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615937181] [2024-11-20 13:52:08,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:08,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:08,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:08,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:08,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:08,389 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 307 [2024-11-20 13:52:08,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 276 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-11-20 13:52:08,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:08,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 307 [2024-11-20 13:52:08,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:08,466 INFO L124 PetriNetUnfolderBase]: 31/401 cut-off events. [2024-11-20 13:52:08,466 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-20 13:52:08,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 401 events. 31/401 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1572 event pairs, 21 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 461. Up to 66 conditions per place. [2024-11-20 13:52:08,474 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 20 selfloop transitions, 2 changer transitions 0/275 dead transitions. [2024-11-20 13:52:08,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 275 transitions, 606 flow [2024-11-20 13:52:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 851 transitions. [2024-11-20 13:52:08,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239956568946797 [2024-11-20 13:52:08,478 INFO L175 Difference]: Start difference. First operand has 277 places, 276 transitions, 564 flow. Second operand 3 states and 851 transitions. [2024-11-20 13:52:08,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 275 transitions, 606 flow [2024-11-20 13:52:08,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 275 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:08,486 INFO L231 Difference]: Finished difference. Result has 275 places, 275 transitions, 562 flow [2024-11-20 13:52:08,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=275, PETRI_TRANSITIONS=275} [2024-11-20 13:52:08,487 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -9 predicate places. [2024-11-20 13:52:08,487 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 275 transitions, 562 flow [2024-11-20 13:52:08,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-11-20 13:52:08,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:08,488 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:08,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:52:08,488 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:08,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:08,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1899028662, now seen corresponding path program 1 times [2024-11-20 13:52:08,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:08,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979418039] [2024-11-20 13:52:08,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:08,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:08,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:08,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979418039] [2024-11-20 13:52:08,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979418039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:08,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:08,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:08,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194639553] [2024-11-20 13:52:08,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:08,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:08,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:08,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:08,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:08,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 307 [2024-11-20 13:52:08,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 275 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-11-20 13:52:08,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:08,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 307 [2024-11-20 13:52:08,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:08,715 INFO L124 PetriNetUnfolderBase]: 31/373 cut-off events. [2024-11-20 13:52:08,716 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-20 13:52:08,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 373 events. 31/373 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1313 event pairs, 21 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 420. Up to 67 conditions per place. [2024-11-20 13:52:08,723 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 21 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2024-11-20 13:52:08,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 274 transitions, 606 flow [2024-11-20 13:52:08,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:08,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:08,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 849 transitions. [2024-11-20 13:52:08,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9218241042345277 [2024-11-20 13:52:08,726 INFO L175 Difference]: Start difference. First operand has 275 places, 275 transitions, 562 flow. Second operand 3 states and 849 transitions. [2024-11-20 13:52:08,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 274 transitions, 606 flow [2024-11-20 13:52:08,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 274 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:08,731 INFO L231 Difference]: Finished difference. Result has 274 places, 274 transitions, 560 flow [2024-11-20 13:52:08,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=274, PETRI_TRANSITIONS=274} [2024-11-20 13:52:08,733 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -10 predicate places. [2024-11-20 13:52:08,733 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 274 transitions, 560 flow [2024-11-20 13:52:08,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-11-20 13:52:08,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:08,735 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:08,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:52:08,735 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:08,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash 653186304, now seen corresponding path program 1 times [2024-11-20 13:52:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:08,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995845836] [2024-11-20 13:52:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:08,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:08,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:08,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995845836] [2024-11-20 13:52:08,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995845836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:08,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:08,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:08,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120802942] [2024-11-20 13:52:08,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:08,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:08,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:08,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:08,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:08,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 307 [2024-11-20 13:52:08,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 274 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-11-20 13:52:08,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:08,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 307 [2024-11-20 13:52:08,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:08,940 INFO L124 PetriNetUnfolderBase]: 31/345 cut-off events. [2024-11-20 13:52:08,940 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-20 13:52:08,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 345 events. 31/345 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1115 event pairs, 21 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 377. Up to 66 conditions per place. [2024-11-20 13:52:08,946 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 20 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2024-11-20 13:52:08,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 273 transitions, 602 flow [2024-11-20 13:52:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 851 transitions. [2024-11-20 13:52:08,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9239956568946797 [2024-11-20 13:52:08,949 INFO L175 Difference]: Start difference. First operand has 274 places, 274 transitions, 560 flow. Second operand 3 states and 851 transitions. [2024-11-20 13:52:08,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 273 transitions, 602 flow [2024-11-20 13:52:08,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 273 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:08,954 INFO L231 Difference]: Finished difference. Result has 273 places, 273 transitions, 558 flow [2024-11-20 13:52:08,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=558, PETRI_PLACES=273, PETRI_TRANSITIONS=273} [2024-11-20 13:52:08,956 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -11 predicate places. [2024-11-20 13:52:08,957 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 273 transitions, 558 flow [2024-11-20 13:52:08,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2024-11-20 13:52:08,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:08,959 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:08,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:52:08,960 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:08,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:08,961 INFO L85 PathProgramCache]: Analyzing trace with hash 695485992, now seen corresponding path program 1 times [2024-11-20 13:52:08,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:08,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194242884] [2024-11-20 13:52:08,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:08,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:09,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:09,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:09,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194242884] [2024-11-20 13:52:09,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194242884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:09,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:09,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:09,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650977458] [2024-11-20 13:52:09,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:09,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:09,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:09,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:09,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:09,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 307 [2024-11-20 13:52:09,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 273 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 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) [2024-11-20 13:52:09,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:09,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 307 [2024-11-20 13:52:09,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:09,230 INFO L124 PetriNetUnfolderBase]: 102/1390 cut-off events. [2024-11-20 13:52:09,231 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-20 13:52:09,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1555 conditions, 1390 events. 102/1390 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10360 event pairs, 51 based on Foata normal form. 0/1052 useless extension candidates. Maximal degree in co-relation 1504. Up to 144 conditions per place. [2024-11-20 13:52:09,254 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 15 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2024-11-20 13:52:09,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 272 transitions, 590 flow [2024-11-20 13:52:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:09,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2024-11-20 13:52:09,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9348534201954397 [2024-11-20 13:52:09,257 INFO L175 Difference]: Start difference. First operand has 273 places, 273 transitions, 558 flow. Second operand 3 states and 861 transitions. [2024-11-20 13:52:09,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 272 transitions, 590 flow [2024-11-20 13:52:09,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 272 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:09,262 INFO L231 Difference]: Finished difference. Result has 272 places, 272 transitions, 556 flow [2024-11-20 13:52:09,263 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=272, PETRI_TRANSITIONS=272} [2024-11-20 13:52:09,264 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -12 predicate places. [2024-11-20 13:52:09,264 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 272 transitions, 556 flow [2024-11-20 13:52:09,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 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) [2024-11-20 13:52:09,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:09,265 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:09,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:52:09,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:09,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:09,266 INFO L85 PathProgramCache]: Analyzing trace with hash 752016530, now seen corresponding path program 1 times [2024-11-20 13:52:09,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:09,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79558815] [2024-11-20 13:52:09,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:09,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:09,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:09,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79558815] [2024-11-20 13:52:09,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79558815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:09,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:09,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:09,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402598145] [2024-11-20 13:52:09,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:09,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:09,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:09,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:09,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:09,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 307 [2024-11-20 13:52:09,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 272 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-11-20 13:52:09,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:09,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 307 [2024-11-20 13:52:09,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:09,455 INFO L124 PetriNetUnfolderBase]: 46/391 cut-off events. [2024-11-20 13:52:09,455 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:52:09,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 391 events. 46/391 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1660 event pairs, 30 based on Foata normal form. 0/333 useless extension candidates. Maximal degree in co-relation 481. Up to 88 conditions per place. [2024-11-20 13:52:09,462 INFO L140 encePairwiseOnDemand]: 294/307 looper letters, 26 selfloop transitions, 5 changer transitions 0/268 dead transitions. [2024-11-20 13:52:09,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 268 transitions, 613 flow [2024-11-20 13:52:09,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 834 transitions. [2024-11-20 13:52:09,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9055374592833876 [2024-11-20 13:52:09,465 INFO L175 Difference]: Start difference. First operand has 272 places, 272 transitions, 556 flow. Second operand 3 states and 834 transitions. [2024-11-20 13:52:09,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 268 transitions, 613 flow [2024-11-20 13:52:09,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 268 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:09,470 INFO L231 Difference]: Finished difference. Result has 265 places, 265 transitions, 555 flow [2024-11-20 13:52:09,471 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=555, PETRI_PLACES=265, PETRI_TRANSITIONS=265} [2024-11-20 13:52:09,471 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -19 predicate places. [2024-11-20 13:52:09,471 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 265 transitions, 555 flow [2024-11-20 13:52:09,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-11-20 13:52:09,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:09,473 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:09,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:52:09,473 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:09,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:09,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1133392968, now seen corresponding path program 1 times [2024-11-20 13:52:09,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:09,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152136439] [2024-11-20 13:52:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:09,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152136439] [2024-11-20 13:52:09,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152136439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:09,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:09,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:09,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134320207] [2024-11-20 13:52:09,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:09,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:09,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:09,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 307 [2024-11-20 13:52:09,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 265 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2024-11-20 13:52:09,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:09,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 307 [2024-11-20 13:52:09,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:09,652 INFO L124 PetriNetUnfolderBase]: 46/385 cut-off events. [2024-11-20 13:52:09,652 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-20 13:52:09,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 385 events. 46/385 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1611 event pairs, 30 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 446. Up to 86 conditions per place. [2024-11-20 13:52:09,659 INFO L140 encePairwiseOnDemand]: 295/307 looper letters, 24 selfloop transitions, 5 changer transitions 0/262 dead transitions. [2024-11-20 13:52:09,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 262 transitions, 610 flow [2024-11-20 13:52:09,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:09,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 840 transitions. [2024-11-20 13:52:09,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9120521172638436 [2024-11-20 13:52:09,662 INFO L175 Difference]: Start difference. First operand has 265 places, 265 transitions, 555 flow. Second operand 3 states and 840 transitions. [2024-11-20 13:52:09,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 262 transitions, 610 flow [2024-11-20 13:52:09,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 262 transitions, 605 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:52:09,667 INFO L231 Difference]: Finished difference. Result has 260 places, 259 transitions, 555 flow [2024-11-20 13:52:09,667 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=555, PETRI_PLACES=260, PETRI_TRANSITIONS=259} [2024-11-20 13:52:09,668 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -24 predicate places. [2024-11-20 13:52:09,668 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 259 transitions, 555 flow [2024-11-20 13:52:09,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2024-11-20 13:52:09,671 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:09,672 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:09,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:52:09,672 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:09,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:09,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1216824131, now seen corresponding path program 1 times [2024-11-20 13:52:09,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:09,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684226852] [2024-11-20 13:52:09,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:09,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:09,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:09,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684226852] [2024-11-20 13:52:09,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684226852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:09,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:09,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:09,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719627679] [2024-11-20 13:52:09,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:09,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:09,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:09,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:09,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:09,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 307 [2024-11-20 13:52:09,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 259 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-11-20 13:52:09,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:09,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 307 [2024-11-20 13:52:09,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:09,855 INFO L124 PetriNetUnfolderBase]: 54/534 cut-off events. [2024-11-20 13:52:09,855 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-20 13:52:09,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 534 events. 54/534 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2637 event pairs, 21 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 593. Up to 92 conditions per place. [2024-11-20 13:52:09,863 INFO L140 encePairwiseOnDemand]: 293/307 looper letters, 29 selfloop transitions, 6 changer transitions 0/259 dead transitions. [2024-11-20 13:52:09,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 259 transitions, 631 flow [2024-11-20 13:52:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:09,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 838 transitions. [2024-11-20 13:52:09,866 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098805646036916 [2024-11-20 13:52:09,866 INFO L175 Difference]: Start difference. First operand has 260 places, 259 transitions, 555 flow. Second operand 3 states and 838 transitions. [2024-11-20 13:52:09,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 259 transitions, 631 flow [2024-11-20 13:52:09,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 259 transitions, 626 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:52:09,870 INFO L231 Difference]: Finished difference. Result has 254 places, 253 transitions, 560 flow [2024-11-20 13:52:09,871 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=254, PETRI_TRANSITIONS=253} [2024-11-20 13:52:09,871 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -30 predicate places. [2024-11-20 13:52:09,871 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 253 transitions, 560 flow [2024-11-20 13:52:09,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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) [2024-11-20 13:52:09,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:09,872 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:09,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:52:09,873 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:09,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:09,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1136863672, now seen corresponding path program 1 times [2024-11-20 13:52:09,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:09,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064945150] [2024-11-20 13:52:09,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:09,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:09,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:09,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064945150] [2024-11-20 13:52:09,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064945150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:09,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:09,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 13:52:09,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124862705] [2024-11-20 13:52:09,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:09,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 13:52:09,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 13:52:09,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 13:52:09,984 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 307 [2024-11-20 13:52:09,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 253 transitions, 560 flow. Second operand has 4 states, 4 states have (on average 281.25) internal successors, (1125), 4 states have internal predecessors, (1125), 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) [2024-11-20 13:52:09,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:09,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 307 [2024-11-20 13:52:09,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:10,061 INFO L124 PetriNetUnfolderBase]: 12/421 cut-off events. [2024-11-20 13:52:10,062 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:52:10,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 421 events. 12/421 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1562 event pairs, 0 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 352. Up to 26 conditions per place. [2024-11-20 13:52:10,067 INFO L140 encePairwiseOnDemand]: 301/307 looper letters, 19 selfloop transitions, 5 changer transitions 0/258 dead transitions. [2024-11-20 13:52:10,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 258 transitions, 618 flow [2024-11-20 13:52:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 13:52:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 13:52:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1425 transitions. [2024-11-20 13:52:10,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-20 13:52:10,071 INFO L175 Difference]: Start difference. First operand has 254 places, 253 transitions, 560 flow. Second operand 5 states and 1425 transitions. [2024-11-20 13:52:10,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 258 transitions, 618 flow [2024-11-20 13:52:10,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 258 transitions, 612 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:52:10,077 INFO L231 Difference]: Finished difference. Result has 261 places, 257 transitions, 592 flow [2024-11-20 13:52:10,078 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=592, PETRI_PLACES=261, PETRI_TRANSITIONS=257} [2024-11-20 13:52:10,079 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -23 predicate places. [2024-11-20 13:52:10,079 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 257 transitions, 592 flow [2024-11-20 13:52:10,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 281.25) internal successors, (1125), 4 states have internal predecessors, (1125), 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) [2024-11-20 13:52:10,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:10,080 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:10,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:52:10,080 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:10,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:10,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1828586617, now seen corresponding path program 1 times [2024-11-20 13:52:10,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:10,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975150822] [2024-11-20 13:52:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:10,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:10,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:10,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975150822] [2024-11-20 13:52:10,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975150822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:10,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:10,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:10,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865732945] [2024-11-20 13:52:10,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:10,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:10,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:10,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:10,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:10,170 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 307 [2024-11-20 13:52:10,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 257 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2024-11-20 13:52:10,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:10,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 307 [2024-11-20 13:52:10,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:10,283 INFO L124 PetriNetUnfolderBase]: 83/727 cut-off events. [2024-11-20 13:52:10,283 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-11-20 13:52:10,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 727 events. 83/727 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4167 event pairs, 10 based on Foata normal form. 1/671 useless extension candidates. Maximal degree in co-relation 703. Up to 140 conditions per place. [2024-11-20 13:52:10,294 INFO L140 encePairwiseOnDemand]: 295/307 looper letters, 25 selfloop transitions, 5 changer transitions 10/258 dead transitions. [2024-11-20 13:52:10,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 258 transitions, 665 flow [2024-11-20 13:52:10,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2024-11-20 13:52:10,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9153094462540716 [2024-11-20 13:52:10,297 INFO L175 Difference]: Start difference. First operand has 261 places, 257 transitions, 592 flow. Second operand 3 states and 843 transitions. [2024-11-20 13:52:10,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 258 transitions, 665 flow [2024-11-20 13:52:10,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 258 transitions, 665 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:10,304 INFO L231 Difference]: Finished difference. Result has 257 places, 241 transitions, 576 flow [2024-11-20 13:52:10,304 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=257, PETRI_TRANSITIONS=241} [2024-11-20 13:52:10,305 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -27 predicate places. [2024-11-20 13:52:10,305 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 241 transitions, 576 flow [2024-11-20 13:52:10,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 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) [2024-11-20 13:52:10,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:10,306 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:10,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:52:10,306 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:10,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:10,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1310343152, now seen corresponding path program 1 times [2024-11-20 13:52:10,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:10,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988783422] [2024-11-20 13:52:10,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:10,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:10,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:10,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988783422] [2024-11-20 13:52:10,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988783422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:10,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:10,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:10,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992656003] [2024-11-20 13:52:10,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:10,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:10,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:10,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:10,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:10,372 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 307 [2024-11-20 13:52:10,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 241 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-20 13:52:10,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:10,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 307 [2024-11-20 13:52:10,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:11,246 INFO L124 PetriNetUnfolderBase]: 746/5762 cut-off events. [2024-11-20 13:52:11,248 INFO L125 PetriNetUnfolderBase]: For 174/174 co-relation queries the response was YES. [2024-11-20 13:52:11,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7755 conditions, 5762 events. 746/5762 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 65029 event pairs, 276 based on Foata normal form. 0/5094 useless extension candidates. Maximal degree in co-relation 5800. Up to 1027 conditions per place. [2024-11-20 13:52:11,307 INFO L140 encePairwiseOnDemand]: 299/307 looper letters, 19 selfloop transitions, 4 changer transitions 0/244 dead transitions. [2024-11-20 13:52:11,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 244 transitions, 631 flow [2024-11-20 13:52:11,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:11,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 864 transitions. [2024-11-20 13:52:11,310 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381107491856677 [2024-11-20 13:52:11,310 INFO L175 Difference]: Start difference. First operand has 257 places, 241 transitions, 576 flow. Second operand 3 states and 864 transitions. [2024-11-20 13:52:11,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 244 transitions, 631 flow [2024-11-20 13:52:11,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 244 transitions, 626 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:52:11,322 INFO L231 Difference]: Finished difference. Result has 245 places, 241 transitions, 591 flow [2024-11-20 13:52:11,322 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=245, PETRI_TRANSITIONS=241} [2024-11-20 13:52:11,323 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -39 predicate places. [2024-11-20 13:52:11,323 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 241 transitions, 591 flow [2024-11-20 13:52:11,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-20 13:52:11,324 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:11,324 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:11,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 13:52:11,325 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:11,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:11,326 INFO L85 PathProgramCache]: Analyzing trace with hash -239956579, now seen corresponding path program 1 times [2024-11-20 13:52:11,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:11,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119949732] [2024-11-20 13:52:11,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:11,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:11,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:11,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119949732] [2024-11-20 13:52:11,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119949732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:11,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:11,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:11,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180127102] [2024-11-20 13:52:11,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:11,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:11,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:11,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:11,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:11,453 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 307 [2024-11-20 13:52:11,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 241 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2024-11-20 13:52:11,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:11,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 307 [2024-11-20 13:52:11,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:11,778 INFO L124 PetriNetUnfolderBase]: 230/1820 cut-off events. [2024-11-20 13:52:11,778 INFO L125 PetriNetUnfolderBase]: For 47/59 co-relation queries the response was YES. [2024-11-20 13:52:11,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2630 conditions, 1820 events. 230/1820 cut-off events. For 47/59 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 15387 event pairs, 91 based on Foata normal form. 0/1631 useless extension candidates. Maximal degree in co-relation 1755. Up to 213 conditions per place. [2024-11-20 13:52:11,800 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 22 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2024-11-20 13:52:11,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 243 transitions, 646 flow [2024-11-20 13:52:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:11,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:11,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-20 13:52:11,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-20 13:52:11,802 INFO L175 Difference]: Start difference. First operand has 245 places, 241 transitions, 591 flow. Second operand 3 states and 855 transitions. [2024-11-20 13:52:11,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 243 transitions, 646 flow [2024-11-20 13:52:11,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 243 transitions, 646 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:52:11,808 INFO L231 Difference]: Finished difference. Result has 246 places, 240 transitions, 593 flow [2024-11-20 13:52:11,808 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=246, PETRI_TRANSITIONS=240} [2024-11-20 13:52:11,810 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -38 predicate places. [2024-11-20 13:52:11,810 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 240 transitions, 593 flow [2024-11-20 13:52:11,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2024-11-20 13:52:11,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:11,811 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:11,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 13:52:11,811 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:11,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:11,812 INFO L85 PathProgramCache]: Analyzing trace with hash 274433009, now seen corresponding path program 1 times [2024-11-20 13:52:11,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:11,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055443358] [2024-11-20 13:52:11,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:11,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:11,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:11,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055443358] [2024-11-20 13:52:11,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055443358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:11,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:11,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:11,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528573988] [2024-11-20 13:52:11,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:11,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:11,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:11,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:11,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:11,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2024-11-20 13:52:11,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 240 transitions, 593 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-11-20 13:52:11,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:11,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2024-11-20 13:52:11,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:12,214 INFO L124 PetriNetUnfolderBase]: 377/2292 cut-off events. [2024-11-20 13:52:12,214 INFO L125 PetriNetUnfolderBase]: For 171/179 co-relation queries the response was YES. [2024-11-20 13:52:12,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3547 conditions, 2292 events. 377/2292 cut-off events. For 171/179 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 20660 event pairs, 184 based on Foata normal form. 0/2081 useless extension candidates. Maximal degree in co-relation 3418. Up to 454 conditions per place. [2024-11-20 13:52:12,251 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 21 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2024-11-20 13:52:12,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 242 transitions, 646 flow [2024-11-20 13:52:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-20 13:52:12,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305103148751357 [2024-11-20 13:52:12,254 INFO L175 Difference]: Start difference. First operand has 246 places, 240 transitions, 593 flow. Second operand 3 states and 857 transitions. [2024-11-20 13:52:12,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 242 transitions, 646 flow [2024-11-20 13:52:12,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 242 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:12,259 INFO L231 Difference]: Finished difference. Result has 245 places, 239 transitions, 591 flow [2024-11-20 13:52:12,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=245, PETRI_TRANSITIONS=239} [2024-11-20 13:52:12,260 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -39 predicate places. [2024-11-20 13:52:12,261 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 239 transitions, 591 flow [2024-11-20 13:52:12,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-11-20 13:52:12,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:12,263 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:12,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 13:52:12,264 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:12,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:12,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1965467836, now seen corresponding path program 1 times [2024-11-20 13:52:12,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:12,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687154920] [2024-11-20 13:52:12,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:12,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:12,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:12,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687154920] [2024-11-20 13:52:12,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687154920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:12,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:12,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:12,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892959027] [2024-11-20 13:52:12,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:12,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:12,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:12,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:12,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:12,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 307 [2024-11-20 13:52:12,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 239 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2024-11-20 13:52:12,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:12,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 307 [2024-11-20 13:52:12,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:12,606 INFO L124 PetriNetUnfolderBase]: 230/1796 cut-off events. [2024-11-20 13:52:12,606 INFO L125 PetriNetUnfolderBase]: For 59/68 co-relation queries the response was YES. [2024-11-20 13:52:12,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2631 conditions, 1796 events. 230/1796 cut-off events. For 59/68 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 15168 event pairs, 91 based on Foata normal form. 0/1631 useless extension candidates. Maximal degree in co-relation 2319. Up to 213 conditions per place. [2024-11-20 13:52:12,632 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 22 selfloop transitions, 2 changer transitions 0/241 dead transitions. [2024-11-20 13:52:12,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 241 transitions, 646 flow [2024-11-20 13:52:12,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-20 13:52:12,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-20 13:52:12,635 INFO L175 Difference]: Start difference. First operand has 245 places, 239 transitions, 591 flow. Second operand 3 states and 855 transitions. [2024-11-20 13:52:12,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 241 transitions, 646 flow [2024-11-20 13:52:12,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 241 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:12,640 INFO L231 Difference]: Finished difference. Result has 244 places, 238 transitions, 589 flow [2024-11-20 13:52:12,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=589, PETRI_PLACES=244, PETRI_TRANSITIONS=238} [2024-11-20 13:52:12,641 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -40 predicate places. [2024-11-20 13:52:12,641 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 238 transitions, 589 flow [2024-11-20 13:52:12,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 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) [2024-11-20 13:52:12,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:12,642 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:12,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 13:52:12,642 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:12,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:12,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1468602293, now seen corresponding path program 1 times [2024-11-20 13:52:12,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:12,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619134796] [2024-11-20 13:52:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:12,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:12,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:12,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619134796] [2024-11-20 13:52:12,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619134796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:12,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:12,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:12,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868476746] [2024-11-20 13:52:12,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:12,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:12,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:12,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:12,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:12,723 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 307 [2024-11-20 13:52:12,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 238 transitions, 589 flow. Second operand has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-20 13:52:12,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:12,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 307 [2024-11-20 13:52:12,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:13,038 INFO L124 PetriNetUnfolderBase]: 267/1785 cut-off events. [2024-11-20 13:52:13,038 INFO L125 PetriNetUnfolderBase]: For 151/154 co-relation queries the response was YES. [2024-11-20 13:52:13,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2703 conditions, 1785 events. 267/1785 cut-off events. For 151/154 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 14574 event pairs, 119 based on Foata normal form. 0/1629 useless extension candidates. Maximal degree in co-relation 2624. Up to 336 conditions per place. [2024-11-20 13:52:13,069 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 23 selfloop transitions, 2 changer transitions 0/240 dead transitions. [2024-11-20 13:52:13,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 240 transitions, 646 flow [2024-11-20 13:52:13,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-20 13:52:13,072 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-20 13:52:13,072 INFO L175 Difference]: Start difference. First operand has 244 places, 238 transitions, 589 flow. Second operand 3 states and 855 transitions. [2024-11-20 13:52:13,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 240 transitions, 646 flow [2024-11-20 13:52:13,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 240 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:13,078 INFO L231 Difference]: Finished difference. Result has 243 places, 237 transitions, 587 flow [2024-11-20 13:52:13,079 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=243, PETRI_TRANSITIONS=237} [2024-11-20 13:52:13,080 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -41 predicate places. [2024-11-20 13:52:13,080 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 237 transitions, 587 flow [2024-11-20 13:52:13,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 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) [2024-11-20 13:52:13,081 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:13,081 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:13,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 13:52:13,082 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:13,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:13,082 INFO L85 PathProgramCache]: Analyzing trace with hash 863010572, now seen corresponding path program 1 times [2024-11-20 13:52:13,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:13,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572334820] [2024-11-20 13:52:13,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:13,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:13,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:13,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:13,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572334820] [2024-11-20 13:52:13,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572334820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:13,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:13,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:13,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586172201] [2024-11-20 13:52:13,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:13,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:13,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:13,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:13,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2024-11-20 13:52:13,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 237 transitions, 587 flow. Second operand has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 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) [2024-11-20 13:52:13,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:13,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2024-11-20 13:52:13,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:13,545 INFO L124 PetriNetUnfolderBase]: 389/2318 cut-off events. [2024-11-20 13:52:13,545 INFO L125 PetriNetUnfolderBase]: For 181/187 co-relation queries the response was YES. [2024-11-20 13:52:13,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3621 conditions, 2318 events. 389/2318 cut-off events. For 181/187 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 20536 event pairs, 184 based on Foata normal form. 0/2150 useless extension candidates. Maximal degree in co-relation 3244. Up to 454 conditions per place. [2024-11-20 13:52:13,574 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 21 selfloop transitions, 2 changer transitions 0/239 dead transitions. [2024-11-20 13:52:13,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 239 transitions, 640 flow [2024-11-20 13:52:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-20 13:52:13,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305103148751357 [2024-11-20 13:52:13,577 INFO L175 Difference]: Start difference. First operand has 243 places, 237 transitions, 587 flow. Second operand 3 states and 857 transitions. [2024-11-20 13:52:13,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 239 transitions, 640 flow [2024-11-20 13:52:13,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 239 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:13,582 INFO L231 Difference]: Finished difference. Result has 242 places, 236 transitions, 585 flow [2024-11-20 13:52:13,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=585, PETRI_PLACES=242, PETRI_TRANSITIONS=236} [2024-11-20 13:52:13,583 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -42 predicate places. [2024-11-20 13:52:13,583 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 236 transitions, 585 flow [2024-11-20 13:52:13,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 3 states have internal predecessors, (847), 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) [2024-11-20 13:52:13,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:13,584 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:13,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 13:52:13,584 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:13,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:13,584 INFO L85 PathProgramCache]: Analyzing trace with hash 988148266, now seen corresponding path program 1 times [2024-11-20 13:52:13,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:13,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501062994] [2024-11-20 13:52:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:13,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:13,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501062994] [2024-11-20 13:52:13,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501062994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:13,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:13,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:13,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021961562] [2024-11-20 13:52:13,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:13,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:13,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:13,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:13,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:13,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2024-11-20 13:52:13,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 236 transitions, 585 flow. Second operand has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 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) [2024-11-20 13:52:13,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:13,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2024-11-20 13:52:13,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:13,840 INFO L124 PetriNetUnfolderBase]: 160/1386 cut-off events. [2024-11-20 13:52:13,840 INFO L125 PetriNetUnfolderBase]: For 112/119 co-relation queries the response was YES. [2024-11-20 13:52:13,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1977 conditions, 1386 events. 160/1386 cut-off events. For 112/119 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 10289 event pairs, 54 based on Foata normal form. 1/1280 useless extension candidates. Maximal degree in co-relation 1819. Up to 172 conditions per place. [2024-11-20 13:52:13,859 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 21 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2024-11-20 13:52:13,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 238 transitions, 638 flow [2024-11-20 13:52:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:13,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-20 13:52:13,862 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305103148751357 [2024-11-20 13:52:13,862 INFO L175 Difference]: Start difference. First operand has 242 places, 236 transitions, 585 flow. Second operand 3 states and 857 transitions. [2024-11-20 13:52:13,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 238 transitions, 638 flow [2024-11-20 13:52:13,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 238 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:13,867 INFO L231 Difference]: Finished difference. Result has 241 places, 235 transitions, 583 flow [2024-11-20 13:52:13,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=583, PETRI_PLACES=241, PETRI_TRANSITIONS=235} [2024-11-20 13:52:13,868 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -43 predicate places. [2024-11-20 13:52:13,868 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 235 transitions, 583 flow [2024-11-20 13:52:13,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 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) [2024-11-20 13:52:13,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:13,870 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:13,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 13:52:13,870 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:13,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:13,870 INFO L85 PathProgramCache]: Analyzing trace with hash 137876972, now seen corresponding path program 1 times [2024-11-20 13:52:13,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:13,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565249685] [2024-11-20 13:52:13,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:13,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:13,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:13,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565249685] [2024-11-20 13:52:13,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565249685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:13,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:13,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:13,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801683483] [2024-11-20 13:52:13,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:13,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:13,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:13,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:13,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:13,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 307 [2024-11-20 13:52:13,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 235 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-11-20 13:52:13,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:13,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 307 [2024-11-20 13:52:13,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:14,169 INFO L124 PetriNetUnfolderBase]: 267/1728 cut-off events. [2024-11-20 13:52:14,169 INFO L125 PetriNetUnfolderBase]: For 153/156 co-relation queries the response was YES. [2024-11-20 13:52:14,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2656 conditions, 1728 events. 267/1728 cut-off events. For 153/156 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 13843 event pairs, 119 based on Foata normal form. 0/1617 useless extension candidates. Maximal degree in co-relation 2446. Up to 336 conditions per place. [2024-11-20 13:52:14,194 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 23 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2024-11-20 13:52:14,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 237 transitions, 640 flow [2024-11-20 13:52:14,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-20 13:52:14,196 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9283387622149837 [2024-11-20 13:52:14,196 INFO L175 Difference]: Start difference. First operand has 241 places, 235 transitions, 583 flow. Second operand 3 states and 855 transitions. [2024-11-20 13:52:14,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 237 transitions, 640 flow [2024-11-20 13:52:14,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 237 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:14,201 INFO L231 Difference]: Finished difference. Result has 240 places, 234 transitions, 581 flow [2024-11-20 13:52:14,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=240, PETRI_TRANSITIONS=234} [2024-11-20 13:52:14,227 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -44 predicate places. [2024-11-20 13:52:14,228 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 234 transitions, 581 flow [2024-11-20 13:52:14,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 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) [2024-11-20 13:52:14,228 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:52:14,228 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:14,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 13:52:14,229 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-20 13:52:14,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:52:14,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2124030661, now seen corresponding path program 1 times [2024-11-20 13:52:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:52:14,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894869922] [2024-11-20 13:52:14,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:52:14,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:52:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:52:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:52:14,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:52:14,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894869922] [2024-11-20 13:52:14,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894869922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:52:14,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:52:14,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:52:14,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685706718] [2024-11-20 13:52:14,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:52:14,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:52:14,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:52:14,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:52:14,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:52:14,302 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2024-11-20 13:52:14,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 234 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 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) [2024-11-20 13:52:14,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:52:14,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2024-11-20 13:52:14,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:52:14,477 INFO L124 PetriNetUnfolderBase]: 160/1364 cut-off events. [2024-11-20 13:52:14,478 INFO L125 PetriNetUnfolderBase]: For 112/116 co-relation queries the response was YES. [2024-11-20 13:52:14,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1955 conditions, 1364 events. 160/1364 cut-off events. For 112/116 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10022 event pairs, 54 based on Foata normal form. 0/1279 useless extension candidates. Maximal degree in co-relation 1807. Up to 172 conditions per place. [2024-11-20 13:52:14,493 INFO L140 encePairwiseOnDemand]: 304/307 looper letters, 0 selfloop transitions, 0 changer transitions 236/236 dead transitions. [2024-11-20 13:52:14,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 236 transitions, 634 flow [2024-11-20 13:52:14,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:52:14,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:52:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 857 transitions. [2024-11-20 13:52:14,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9305103148751357 [2024-11-20 13:52:14,495 INFO L175 Difference]: Start difference. First operand has 240 places, 234 transitions, 581 flow. Second operand 3 states and 857 transitions. [2024-11-20 13:52:14,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 236 transitions, 634 flow [2024-11-20 13:52:14,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 236 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:52:14,499 INFO L231 Difference]: Finished difference. Result has 239 places, 0 transitions, 0 flow [2024-11-20 13:52:14,499 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=239, PETRI_TRANSITIONS=0} [2024-11-20 13:52:14,500 INFO L277 CegarLoopForPetriNet]: 284 programPoint places, -45 predicate places. [2024-11-20 13:52:14,500 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 0 transitions, 0 flow [2024-11-20 13:52:14,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 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) [2024-11-20 13:52:14,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2024-11-20 13:52:14,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2024-11-20 13:52:14,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2024-11-20 13:52:14,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2024-11-20 13:52:14,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2024-11-20 13:52:14,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2024-11-20 13:52:14,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2024-11-20 13:52:14,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2024-11-20 13:52:14,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2024-11-20 13:52:14,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2024-11-20 13:52:14,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2024-11-20 13:52:14,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2024-11-20 13:52:14,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2024-11-20 13:52:14,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2024-11-20 13:52:14,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2024-11-20 13:52:14,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2024-11-20 13:52:14,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2024-11-20 13:52:14,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2024-11-20 13:52:14,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2024-11-20 13:52:14,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2024-11-20 13:52:14,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2024-11-20 13:52:14,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2024-11-20 13:52:14,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2024-11-20 13:52:14,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2024-11-20 13:52:14,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2024-11-20 13:52:14,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 83 remaining) [2024-11-20 13:52:14,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (35 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (34 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (33 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2024-11-20 13:52:14,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2024-11-20 13:52:14,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2024-11-20 13:52:14,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2024-11-20 13:52:14,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2024-11-20 13:52:14,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2024-11-20 13:52:14,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2024-11-20 13:52:14,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2024-11-20 13:52:14,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2024-11-20 13:52:14,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2024-11-20 13:52:14,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2024-11-20 13:52:14,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2024-11-20 13:52:14,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2024-11-20 13:52:14,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2024-11-20 13:52:14,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2024-11-20 13:52:14,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2024-11-20 13:52:14,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2024-11-20 13:52:14,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2024-11-20 13:52:14,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2024-11-20 13:52:14,513 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2024-11-20 13:52:14,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 13:52:14,513 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:52:14,520 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:52:14,521 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:52:14,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:52:14 BasicIcfg [2024-11-20 13:52:14,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:52:14,528 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:52:14,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:52:14,528 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:52:14,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:52:07" (3/4) ... [2024-11-20 13:52:14,530 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:52:14,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:52:14,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:52:14,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-20 13:52:14,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-20 13:52:14,541 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-20 13:52:14,541 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:52:14,541 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 13:52:14,542 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:52:14,629 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:52:14,630 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:52:14,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:52:14,630 INFO L158 Benchmark]: Toolchain (without parser) took 8466.80ms. Allocated memory was 188.7MB in the beginning and 509.6MB in the end (delta: 320.9MB). Free memory was 121.4MB in the beginning and 304.2MB in the end (delta: -182.8MB). Peak memory consumption was 139.4MB. Max. memory is 16.1GB. [2024-11-20 13:52:14,631 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:52:14,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.41ms. Allocated memory is still 188.7MB. Free memory was 121.2MB in the beginning and 107.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 13:52:14,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.01ms. Allocated memory is still 188.7MB. Free memory was 107.5MB in the beginning and 161.8MB in the end (delta: -54.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-20 13:52:14,631 INFO L158 Benchmark]: Boogie Preprocessor took 66.17ms. Allocated memory is still 188.7MB. Free memory was 161.8MB in the beginning and 160.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:52:14,631 INFO L158 Benchmark]: RCFGBuilder took 669.47ms. Allocated memory is still 188.7MB. Free memory was 160.1MB in the beginning and 137.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-20 13:52:14,632 INFO L158 Benchmark]: TraceAbstraction took 7235.06ms. Allocated memory was 188.7MB in the beginning and 509.6MB in the end (delta: 320.9MB). Free memory was 136.3MB in the beginning and 309.5MB in the end (delta: -173.2MB). Peak memory consumption was 150.3MB. Max. memory is 16.1GB. [2024-11-20 13:52:14,632 INFO L158 Benchmark]: Witness Printer took 101.73ms. Allocated memory is still 509.6MB. Free memory was 309.5MB in the beginning and 304.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:52:14,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.41ms. Allocated memory is still 188.7MB. Free memory was 121.2MB in the beginning and 107.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.01ms. Allocated memory is still 188.7MB. Free memory was 107.5MB in the beginning and 161.8MB in the end (delta: -54.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.17ms. Allocated memory is still 188.7MB. Free memory was 161.8MB in the beginning and 160.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.47ms. Allocated memory is still 188.7MB. Free memory was 160.1MB in the beginning and 137.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7235.06ms. Allocated memory was 188.7MB in the beginning and 509.6MB in the end (delta: 320.9MB). Free memory was 136.3MB in the beginning and 309.5MB in the end (delta: -173.2MB). Peak memory consumption was 150.3MB. Max. memory is 16.1GB. * Witness Printer took 101.73ms. Allocated memory is still 509.6MB. Free memory was 309.5MB in the beginning and 304.2MB 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: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 438 locations, 83 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: 7.0s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1140 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 239 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1171 IncrementalHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 121 mSolverCounterUnsat, 228 mSDtfsCounter, 1171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=593occurred in iteration=12, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1364 ConstructedInterpolants, 0 QuantifiedInterpolants, 1402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:52:14,657 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