./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/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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/goblint-regression/09-regions_13-arraycollapse_nr.i -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 b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:05:40,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:05:40,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:05:40,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:05:40,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:05:40,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:05:40,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:05:40,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:05:40,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:05:40,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:05:40,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:05:40,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:05:40,330 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:05:40,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:05:40,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:05:40,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:05:40,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:05:40,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:05:40,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:05:40,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:05:40,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:05:40,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:05:40,336 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:05:40,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:05:40,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:05:40,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:05:40,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:05:40,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:05:40,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:05:40,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:05:40,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:05:40,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:05:40,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:05:40,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:05:40,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:05:40,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:05:40,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:05:40,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:05:40,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:05:40,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:05:40,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:05:40,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2024-10-14 17:05:40,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:05:40,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:05:40,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:05:40,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:05:40,641 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:05:40,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-10-14 17:05:42,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:05:42,388 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:05:42,389 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2024-10-14 17:05:42,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f438e99/21eb250950b7427bb335e5bda1e5ba0a/FLAG696c8f0c5 [2024-10-14 17:05:42,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f438e99/21eb250950b7427bb335e5bda1e5ba0a [2024-10-14 17:05:42,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:05:42,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:05:42,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:05:42,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:05:42,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:05:42,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:05:42" (1/1) ... [2024-10-14 17:05:42,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d20f3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:42, skipping insertion in model container [2024-10-14 17:05:42,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:05:42" (1/1) ... [2024-10-14 17:05:42,478 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:05:43,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:05:43,086 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:05:43,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:05:43,259 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:05:43,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43 WrapperNode [2024-10-14 17:05:43,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:05:43,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:05:43,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:05:43,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:05:43,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,360 INFO L138 Inliner]: procedures = 370, calls = 35, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 359 [2024-10-14 17:05:43,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:05:43,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:05:43,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:05:43,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:05:43,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:05:43,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:05:43,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:05:43,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:05:43,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (1/1) ... [2024-10-14 17:05:43,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:05:43,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:05:43,487 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) [2024-10-14 17:05:43,490 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 [2024-10-14 17:05:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-14 17:05:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 17:05:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:05:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:05:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 17:05:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:05:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:05:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-14 17:05:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-14 17:05:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-14 17:05:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:05:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:05:43,542 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:05:43,686 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:05:43,689 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:05:44,394 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:05:44,394 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:05:44,444 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:05:44,445 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 17:05:44,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:05:44 BoogieIcfgContainer [2024-10-14 17:05:44,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:05:44,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:05:44,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:05:44,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:05:44,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:05:42" (1/3) ... [2024-10-14 17:05:44,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4459e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:05:44, skipping insertion in model container [2024-10-14 17:05:44,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:43" (2/3) ... [2024-10-14 17:05:44,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4459e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:05:44, skipping insertion in model container [2024-10-14 17:05:44,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:05:44" (3/3) ... [2024-10-14 17:05:44,456 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2024-10-14 17:05:44,473 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:05:44,473 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-14 17:05:44,473 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:05:44,575 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 17:05:44,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 430 places, 431 transitions, 866 flow [2024-10-14 17:05:44,756 INFO L124 PetriNetUnfolderBase]: 5/430 cut-off events. [2024-10-14 17:05:44,756 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:44,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 430 events. 5/430 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 302. Up to 2 conditions per place. [2024-10-14 17:05:44,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 430 places, 431 transitions, 866 flow [2024-10-14 17:05:44,774 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 429 places, 430 transitions, 863 flow [2024-10-14 17:05:44,786 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:05:44,795 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;@21be2051, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:05:44,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-10-14 17:05:44,805 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:05:44,805 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-10-14 17:05:44,806 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:44,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:44,807 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] [2024-10-14 17:05:44,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:44,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:44,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1157951273, now seen corresponding path program 1 times [2024-10-14 17:05:44,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:44,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431408975] [2024-10-14 17:05:44,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:44,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:45,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:45,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431408975] [2024-10-14 17:05:45,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431408975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:45,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:45,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:45,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017563556] [2024-10-14 17:05:45,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:45,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:45,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:45,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:45,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:46,484 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 431 [2024-10-14 17:05:46,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 430 transitions, 863 flow. Second operand has 6 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 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) [2024-10-14 17:05:46,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:46,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 431 [2024-10-14 17:05:46,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:46,972 INFO L124 PetriNetUnfolderBase]: 365/1784 cut-off events. [2024-10-14 17:05:46,972 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:05:46,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2650 conditions, 1784 events. 365/1784 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9499 event pairs, 364 based on Foata normal form. 14/1660 useless extension candidates. Maximal degree in co-relation 2256. Up to 842 conditions per place. [2024-10-14 17:05:46,985 INFO L140 encePairwiseOnDemand]: 403/431 looper letters, 113 selfloop transitions, 20 changer transitions 2/422 dead transitions. [2024-10-14 17:05:46,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 422 transitions, 1113 flow [2024-10-14 17:05:46,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1881 transitions. [2024-10-14 17:05:47,013 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7273781902552204 [2024-10-14 17:05:47,015 INFO L175 Difference]: Start difference. First operand has 429 places, 430 transitions, 863 flow. Second operand 6 states and 1881 transitions. [2024-10-14 17:05:47,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 422 transitions, 1113 flow [2024-10-14 17:05:47,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 422 transitions, 1112 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:05:47,036 INFO L231 Difference]: Finished difference. Result has 429 places, 420 transitions, 882 flow [2024-10-14 17:05:47,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=882, PETRI_PLACES=429, PETRI_TRANSITIONS=420} [2024-10-14 17:05:47,043 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, 0 predicate places. [2024-10-14 17:05:47,043 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 420 transitions, 882 flow [2024-10-14 17:05:47,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 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) [2024-10-14 17:05:47,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:47,045 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] [2024-10-14 17:05:47,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:05:47,046 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:47,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:47,047 INFO L85 PathProgramCache]: Analyzing trace with hash 441682873, now seen corresponding path program 1 times [2024-10-14 17:05:47,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:47,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792093707] [2024-10-14 17:05:47,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:47,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:47,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792093707] [2024-10-14 17:05:47,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792093707] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:47,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:47,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:47,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639872414] [2024-10-14 17:05:47,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:47,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:47,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:47,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:47,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:48,290 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 431 [2024-10-14 17:05:48,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 420 transitions, 882 flow. Second operand has 6 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 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) [2024-10-14 17:05:48,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:48,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 431 [2024-10-14 17:05:48,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:48,664 INFO L124 PetriNetUnfolderBase]: 365/1778 cut-off events. [2024-10-14 17:05:48,664 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:48,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2664 conditions, 1778 events. 365/1778 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9457 event pairs, 364 based on Foata normal form. 0/1646 useless extension candidates. Maximal degree in co-relation 2342. Up to 842 conditions per place. [2024-10-14 17:05:48,672 INFO L140 encePairwiseOnDemand]: 407/431 looper letters, 113 selfloop transitions, 20 changer transitions 0/416 dead transitions. [2024-10-14 17:05:48,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 416 transitions, 1140 flow [2024-10-14 17:05:48,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1877 transitions. [2024-10-14 17:05:48,676 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.725831399845321 [2024-10-14 17:05:48,677 INFO L175 Difference]: Start difference. First operand has 429 places, 420 transitions, 882 flow. Second operand 6 states and 1877 transitions. [2024-10-14 17:05:48,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 416 transitions, 1140 flow [2024-10-14 17:05:48,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 416 transitions, 1100 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:48,684 INFO L231 Difference]: Finished difference. Result has 423 places, 416 transitions, 874 flow [2024-10-14 17:05:48,685 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=874, PETRI_PLACES=423, PETRI_TRANSITIONS=416} [2024-10-14 17:05:48,686 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -6 predicate places. [2024-10-14 17:05:48,686 INFO L471 AbstractCegarLoop]: Abstraction has has 423 places, 416 transitions, 874 flow [2024-10-14 17:05:48,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 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) [2024-10-14 17:05:48,687 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:48,688 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] [2024-10-14 17:05:48,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:05:48,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:48,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:48,689 INFO L85 PathProgramCache]: Analyzing trace with hash -89784931, now seen corresponding path program 1 times [2024-10-14 17:05:48,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:48,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508076670] [2024-10-14 17:05:48,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:49,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:49,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508076670] [2024-10-14 17:05:49,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508076670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:49,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:49,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:49,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798466597] [2024-10-14 17:05:49,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:49,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:49,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:49,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:49,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:49,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 431 [2024-10-14 17:05:49,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 416 transitions, 874 flow. Second operand has 6 states, 6 states have (on average 293.8333333333333) internal successors, (1763), 6 states have internal predecessors, (1763), 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) [2024-10-14 17:05:49,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:49,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 431 [2024-10-14 17:05:49,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:50,231 INFO L124 PetriNetUnfolderBase]: 391/1866 cut-off events. [2024-10-14 17:05:50,232 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:05:50,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2806 conditions, 1866 events. 391/1866 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10206 event pairs, 390 based on Foata normal form. 0/1729 useless extension candidates. Maximal degree in co-relation 2468. Up to 911 conditions per place. [2024-10-14 17:05:50,241 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 130 selfloop transitions, 5 changer transitions 0/415 dead transitions. [2024-10-14 17:05:50,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 415 transitions, 1142 flow [2024-10-14 17:05:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1882 transitions. [2024-10-14 17:05:50,246 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7277648878576953 [2024-10-14 17:05:50,247 INFO L175 Difference]: Start difference. First operand has 423 places, 416 transitions, 874 flow. Second operand 6 states and 1882 transitions. [2024-10-14 17:05:50,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 415 transitions, 1142 flow [2024-10-14 17:05:50,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 415 transitions, 1102 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:50,255 INFO L231 Difference]: Finished difference. Result has 422 places, 415 transitions, 842 flow [2024-10-14 17:05:50,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=842, PETRI_PLACES=422, PETRI_TRANSITIONS=415} [2024-10-14 17:05:50,257 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -7 predicate places. [2024-10-14 17:05:50,257 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 415 transitions, 842 flow [2024-10-14 17:05:50,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.8333333333333) internal successors, (1763), 6 states have internal predecessors, (1763), 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) [2024-10-14 17:05:50,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:50,258 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] [2024-10-14 17:05:50,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:05:50,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:50,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:50,259 INFO L85 PathProgramCache]: Analyzing trace with hash 405962279, now seen corresponding path program 1 times [2024-10-14 17:05:50,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:50,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345306352] [2024-10-14 17:05:50,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:50,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:50,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:50,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345306352] [2024-10-14 17:05:50,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345306352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:50,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:50,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:05:50,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176985978] [2024-10-14 17:05:50,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:50,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:05:50,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:50,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:05:50,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:05:50,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 431 [2024-10-14 17:05:50,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 415 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-14 17:05:50,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:50,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 431 [2024-10-14 17:05:50,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:50,450 INFO L124 PetriNetUnfolderBase]: 7/600 cut-off events. [2024-10-14 17:05:50,450 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:50,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 600 events. 7/600 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 627 event pairs, 6 based on Foata normal form. 1/565 useless extension candidates. Maximal degree in co-relation 496. Up to 24 conditions per place. [2024-10-14 17:05:50,453 INFO L140 encePairwiseOnDemand]: 428/431 looper letters, 10 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2024-10-14 17:05:50,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 416 transitions, 868 flow [2024-10-14 17:05:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:05:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:05:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1261 transitions. [2024-10-14 17:05:50,456 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9752513534416086 [2024-10-14 17:05:50,456 INFO L175 Difference]: Start difference. First operand has 422 places, 415 transitions, 842 flow. Second operand 3 states and 1261 transitions. [2024-10-14 17:05:50,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 416 transitions, 868 flow [2024-10-14 17:05:50,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 416 transitions, 858 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:50,467 INFO L231 Difference]: Finished difference. Result has 420 places, 416 transitions, 844 flow [2024-10-14 17:05:50,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=420, PETRI_TRANSITIONS=416} [2024-10-14 17:05:50,469 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -9 predicate places. [2024-10-14 17:05:50,471 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 416 transitions, 844 flow [2024-10-14 17:05:50,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-14 17:05:50,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:50,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:50,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:05:50,473 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:50,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:50,473 INFO L85 PathProgramCache]: Analyzing trace with hash -915137636, now seen corresponding path program 1 times [2024-10-14 17:05:50,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:50,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479743958] [2024-10-14 17:05:50,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479743958] [2024-10-14 17:05:50,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479743958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:50,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:50,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:50,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614595978] [2024-10-14 17:05:50,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:50,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:50,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:50,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:50,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:52,020 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 431 [2024-10-14 17:05:52,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 416 transitions, 844 flow. Second operand has 6 states, 6 states have (on average 337.8333333333333) internal successors, (2027), 6 states have internal predecessors, (2027), 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) [2024-10-14 17:05:52,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:52,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 431 [2024-10-14 17:05:52,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:52,147 INFO L124 PetriNetUnfolderBase]: 55/841 cut-off events. [2024-10-14 17:05:52,147 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:05:52,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 841 events. 55/841 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2260 event pairs, 54 based on Foata normal form. 0/781 useless extension candidates. Maximal degree in co-relation 924. Up to 227 conditions per place. [2024-10-14 17:05:52,152 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 89 selfloop transitions, 5 changer transitions 0/415 dead transitions. [2024-10-14 17:05:52,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 415 transitions, 1030 flow [2024-10-14 17:05:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2092 transitions. [2024-10-14 17:05:52,158 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8089713843774169 [2024-10-14 17:05:52,158 INFO L175 Difference]: Start difference. First operand has 420 places, 416 transitions, 844 flow. Second operand 6 states and 2092 transitions. [2024-10-14 17:05:52,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 415 transitions, 1030 flow [2024-10-14 17:05:52,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 415 transitions, 1028 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:05:52,167 INFO L231 Difference]: Finished difference. Result has 423 places, 415 transitions, 850 flow [2024-10-14 17:05:52,168 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=850, PETRI_PLACES=423, PETRI_TRANSITIONS=415} [2024-10-14 17:05:52,171 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -6 predicate places. [2024-10-14 17:05:52,171 INFO L471 AbstractCegarLoop]: Abstraction has has 423 places, 415 transitions, 850 flow [2024-10-14 17:05:52,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 337.8333333333333) internal successors, (2027), 6 states have internal predecessors, (2027), 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) [2024-10-14 17:05:52,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:52,173 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] [2024-10-14 17:05:52,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:05:52,174 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:52,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:52,175 INFO L85 PathProgramCache]: Analyzing trace with hash -819814614, now seen corresponding path program 1 times [2024-10-14 17:05:52,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:52,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091846419] [2024-10-14 17:05:52,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:52,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:52,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:52,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091846419] [2024-10-14 17:05:52,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091846419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:52,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:52,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:52,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48406224] [2024-10-14 17:05:52,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:52,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:52,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:52,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:52,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:53,561 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 431 [2024-10-14 17:05:53,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 415 transitions, 850 flow. Second operand has 6 states, 6 states have (on average 320.5) internal successors, (1923), 6 states have internal predecessors, (1923), 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) [2024-10-14 17:05:53,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:53,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 431 [2024-10-14 17:05:53,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:53,677 INFO L124 PetriNetUnfolderBase]: 37/754 cut-off events. [2024-10-14 17:05:53,678 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:05:53,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 754 events. 37/754 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1739 event pairs, 36 based on Foata normal form. 0/711 useless extension candidates. Maximal degree in co-relation 792. Up to 198 conditions per place. [2024-10-14 17:05:53,681 INFO L140 encePairwiseOnDemand]: 413/431 looper letters, 93 selfloop transitions, 15 changer transitions 0/412 dead transitions. [2024-10-14 17:05:53,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 412 transitions, 1060 flow [2024-10-14 17:05:53,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2007 transitions. [2024-10-14 17:05:53,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7761020881670534 [2024-10-14 17:05:53,685 INFO L175 Difference]: Start difference. First operand has 423 places, 415 transitions, 850 flow. Second operand 6 states and 2007 transitions. [2024-10-14 17:05:53,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 412 transitions, 1060 flow [2024-10-14 17:05:53,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 412 transitions, 1050 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:53,693 INFO L231 Difference]: Finished difference. Result has 420 places, 412 transitions, 864 flow [2024-10-14 17:05:53,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=864, PETRI_PLACES=420, PETRI_TRANSITIONS=412} [2024-10-14 17:05:53,694 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -9 predicate places. [2024-10-14 17:05:53,694 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 412 transitions, 864 flow [2024-10-14 17:05:53,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.5) internal successors, (1923), 6 states have internal predecessors, (1923), 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) [2024-10-14 17:05:53,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:53,696 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] [2024-10-14 17:05:53,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:05:53,697 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:53,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:53,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1933807016, now seen corresponding path program 1 times [2024-10-14 17:05:53,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:53,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312370199] [2024-10-14 17:05:53,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:53,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:54,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:54,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312370199] [2024-10-14 17:05:54,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312370199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:54,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:54,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:54,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599095169] [2024-10-14 17:05:54,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:54,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:54,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:54,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:54,641 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 431 [2024-10-14 17:05:54,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 412 transitions, 864 flow. Second operand has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 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) [2024-10-14 17:05:54,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:54,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 431 [2024-10-14 17:05:54,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:55,125 INFO L124 PetriNetUnfolderBase]: 365/1876 cut-off events. [2024-10-14 17:05:55,125 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:05:55,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2823 conditions, 1876 events. 365/1876 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9447 event pairs, 364 based on Foata normal form. 0/1752 useless extension candidates. Maximal degree in co-relation 2494. Up to 898 conditions per place. [2024-10-14 17:05:55,133 INFO L140 encePairwiseOnDemand]: 413/431 looper letters, 131 selfloop transitions, 15 changer transitions 0/409 dead transitions. [2024-10-14 17:05:55,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 409 transitions, 1150 flow [2024-10-14 17:05:55,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1817 transitions. [2024-10-14 17:05:55,138 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7026295436968291 [2024-10-14 17:05:55,138 INFO L175 Difference]: Start difference. First operand has 420 places, 412 transitions, 864 flow. Second operand 6 states and 1817 transitions. [2024-10-14 17:05:55,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 409 transitions, 1150 flow [2024-10-14 17:05:55,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 409 transitions, 1120 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:55,146 INFO L231 Difference]: Finished difference. Result has 417 places, 409 transitions, 858 flow [2024-10-14 17:05:55,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=858, PETRI_PLACES=417, PETRI_TRANSITIONS=409} [2024-10-14 17:05:55,147 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -12 predicate places. [2024-10-14 17:05:55,147 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 409 transitions, 858 flow [2024-10-14 17:05:55,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 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) [2024-10-14 17:05:55,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:55,149 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:55,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:05:55,149 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:55,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:55,150 INFO L85 PathProgramCache]: Analyzing trace with hash 57195367, now seen corresponding path program 1 times [2024-10-14 17:05:55,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:55,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254720025] [2024-10-14 17:05:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:55,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:55,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:55,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254720025] [2024-10-14 17:05:55,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254720025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:55,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:55,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:55,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560482792] [2024-10-14 17:05:55,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:55,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:55,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:55,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:55,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:56,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 431 [2024-10-14 17:05:56,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 409 transitions, 858 flow. Second operand has 6 states, 6 states have (on average 287.6666666666667) internal successors, (1726), 6 states have internal predecessors, (1726), 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) [2024-10-14 17:05:56,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:56,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 431 [2024-10-14 17:05:56,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:56,603 INFO L124 PetriNetUnfolderBase]: 365/1872 cut-off events. [2024-10-14 17:05:56,603 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:05:56,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2815 conditions, 1872 events. 365/1872 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9436 event pairs, 364 based on Foata normal form. 0/1752 useless extension candidates. Maximal degree in co-relation 2490. Up to 894 conditions per place. [2024-10-14 17:05:56,610 INFO L140 encePairwiseOnDemand]: 413/431 looper letters, 128 selfloop transitions, 15 changer transitions 0/406 dead transitions. [2024-10-14 17:05:56,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 406 transitions, 1138 flow [2024-10-14 17:05:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1832 transitions. [2024-10-14 17:05:56,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.708430007733952 [2024-10-14 17:05:56,615 INFO L175 Difference]: Start difference. First operand has 417 places, 409 transitions, 858 flow. Second operand 6 states and 1832 transitions. [2024-10-14 17:05:56,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 406 transitions, 1138 flow [2024-10-14 17:05:56,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 406 transitions, 1108 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:56,623 INFO L231 Difference]: Finished difference. Result has 414 places, 406 transitions, 852 flow [2024-10-14 17:05:56,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=852, PETRI_PLACES=414, PETRI_TRANSITIONS=406} [2024-10-14 17:05:56,626 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -15 predicate places. [2024-10-14 17:05:56,626 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 406 transitions, 852 flow [2024-10-14 17:05:56,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.6666666666667) internal successors, (1726), 6 states have internal predecessors, (1726), 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) [2024-10-14 17:05:56,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:56,628 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:56,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:05:56,629 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:56,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:56,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1085369669, now seen corresponding path program 1 times [2024-10-14 17:05:56,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:56,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121384071] [2024-10-14 17:05:56,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:56,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:56,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:56,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121384071] [2024-10-14 17:05:56,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121384071] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:05:56,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351281013] [2024-10-14 17:05:56,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:56,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:05:56,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:05:56,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:05:56,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 17:05:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:57,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 17:05:57,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:05:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:57,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:05:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:57,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351281013] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:05:57,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:05:57,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-14 17:05:57,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843037795] [2024-10-14 17:05:57,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:05:57,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 17:05:57,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:57,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 17:05:57,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 17:05:57,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 431 [2024-10-14 17:05:57,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 406 transitions, 852 flow. Second operand has 10 states, 10 states have (on average 414.8) internal successors, (4148), 10 states have internal predecessors, (4148), 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) [2024-10-14 17:05:57,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:57,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 431 [2024-10-14 17:05:57,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:57,776 INFO L124 PetriNetUnfolderBase]: 7/694 cut-off events. [2024-10-14 17:05:57,776 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:57,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 694 events. 7/694 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 393 event pairs, 6 based on Foata normal form. 2/674 useless extension candidates. Maximal degree in co-relation 394. Up to 24 conditions per place. [2024-10-14 17:05:57,778 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 14 selfloop transitions, 9 changer transitions 0/414 dead transitions. [2024-10-14 17:05:57,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 414 transitions, 916 flow [2024-10-14 17:05:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 17:05:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-14 17:05:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3742 transitions. [2024-10-14 17:05:57,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9646816189739623 [2024-10-14 17:05:57,785 INFO L175 Difference]: Start difference. First operand has 414 places, 406 transitions, 852 flow. Second operand 9 states and 3742 transitions. [2024-10-14 17:05:57,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 414 transitions, 916 flow [2024-10-14 17:05:57,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 414 transitions, 886 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:57,794 INFO L231 Difference]: Finished difference. Result has 420 places, 412 transitions, 872 flow [2024-10-14 17:05:57,795 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=872, PETRI_PLACES=420, PETRI_TRANSITIONS=412} [2024-10-14 17:05:57,796 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -9 predicate places. [2024-10-14 17:05:57,796 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 412 transitions, 872 flow [2024-10-14 17:05:57,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 414.8) internal successors, (4148), 10 states have internal predecessors, (4148), 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) [2024-10-14 17:05:57,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:57,800 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:57,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 17:05:58,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:05:58,001 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:05:58,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:58,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1994076387, now seen corresponding path program 2 times [2024-10-14 17:05:58,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:58,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345809457] [2024-10-14 17:05:58,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:58,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:58,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:58,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345809457] [2024-10-14 17:05:58,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345809457] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:05:58,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222718124] [2024-10-14 17:05:58,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:05:58,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:05:58,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:05:58,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:05:58,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 17:05:58,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 17:05:58,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:05:58,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 17:05:58,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:05:59,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-14 17:05:59,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-14 17:05:59,061 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:05:59,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-14 17:05:59,096 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:05:59,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-14 17:05:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-10-14 17:05:59,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:05:59,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222718124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:59,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 17:05:59,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-10-14 17:05:59,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866818260] [2024-10-14 17:05:59,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:59,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:59,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:59,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:59,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:59,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 431 [2024-10-14 17:05:59,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 412 transitions, 872 flow. Second operand has 6 states, 6 states have (on average 337.3333333333333) internal successors, (2024), 6 states have internal predecessors, (2024), 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) [2024-10-14 17:05:59,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:59,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 431 [2024-10-14 17:05:59,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:00,467 INFO L124 PetriNetUnfolderBase]: 257/2010 cut-off events. [2024-10-14 17:06:00,467 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-14 17:06:00,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2713 conditions, 2010 events. 257/2010 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10121 event pairs, 34 based on Foata normal form. 0/1883 useless extension candidates. Maximal degree in co-relation 2269. Up to 523 conditions per place. [2024-10-14 17:06:00,476 INFO L140 encePairwiseOnDemand]: 402/431 looper letters, 99 selfloop transitions, 75 changer transitions 0/489 dead transitions. [2024-10-14 17:06:00,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 489 transitions, 1374 flow [2024-10-14 17:06:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2156 transitions. [2024-10-14 17:06:00,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8337200309358082 [2024-10-14 17:06:00,487 INFO L175 Difference]: Start difference. First operand has 420 places, 412 transitions, 872 flow. Second operand 6 states and 2156 transitions. [2024-10-14 17:06:00,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 489 transitions, 1374 flow [2024-10-14 17:06:00,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 489 transitions, 1368 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-14 17:06:00,499 INFO L231 Difference]: Finished difference. Result has 428 places, 480 transitions, 1346 flow [2024-10-14 17:06:00,499 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1346, PETRI_PLACES=428, PETRI_TRANSITIONS=480} [2024-10-14 17:06:00,500 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, -1 predicate places. [2024-10-14 17:06:00,500 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 480 transitions, 1346 flow [2024-10-14 17:06:00,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 337.3333333333333) internal successors, (2024), 6 states have internal predecessors, (2024), 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) [2024-10-14 17:06:00,501 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:00,502 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:00,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 17:06:00,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 17:06:00,703 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:06:00,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:00,704 INFO L85 PathProgramCache]: Analyzing trace with hash 166316344, now seen corresponding path program 1 times [2024-10-14 17:06:00,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:00,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258473524] [2024-10-14 17:06:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:00,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:01,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:01,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258473524] [2024-10-14 17:06:01,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258473524] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:06:01,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990444540] [2024-10-14 17:06:01,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:01,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:01,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:06:01,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:06:01,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 17:06:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:01,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 17:06:01,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:06:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:02,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:06:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:02,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990444540] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:06:02,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:06:02,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-14 17:06:02,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152299721] [2024-10-14 17:06:02,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:06:02,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 17:06:02,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:02,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 17:06:02,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-14 17:06:02,829 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 431 [2024-10-14 17:06:02,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 480 transitions, 1346 flow. Second operand has 18 states, 18 states have (on average 414.8888888888889) internal successors, (7468), 18 states have internal predecessors, (7468), 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) [2024-10-14 17:06:02,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:02,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 431 [2024-10-14 17:06:02,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:03,467 INFO L124 PetriNetUnfolderBase]: 128/2098 cut-off events. [2024-10-14 17:06:03,467 INFO L125 PetriNetUnfolderBase]: For 184/204 co-relation queries the response was YES. [2024-10-14 17:06:03,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2098 events. 128/2098 cut-off events. For 184/204 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7318 event pairs, 21 based on Foata normal form. 4/2014 useless extension candidates. Maximal degree in co-relation 1942. Up to 207 conditions per place. [2024-10-14 17:06:03,473 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 19 selfloop transitions, 21 changer transitions 0/498 dead transitions. [2024-10-14 17:06:03,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 498 transitions, 1514 flow [2024-10-14 17:06:03,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-14 17:06:03,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-14 17:06:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 8716 transitions. [2024-10-14 17:06:03,491 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9629875151916916 [2024-10-14 17:06:03,491 INFO L175 Difference]: Start difference. First operand has 428 places, 480 transitions, 1346 flow. Second operand 21 states and 8716 transitions. [2024-10-14 17:06:03,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 498 transitions, 1514 flow [2024-10-14 17:06:03,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 498 transitions, 1514 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:06:03,513 INFO L231 Difference]: Finished difference. Result has 453 places, 493 transitions, 1476 flow [2024-10-14 17:06:03,514 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1346, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1476, PETRI_PLACES=453, PETRI_TRANSITIONS=493} [2024-10-14 17:06:03,514 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, 24 predicate places. [2024-10-14 17:06:03,514 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 493 transitions, 1476 flow [2024-10-14 17:06:03,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 414.8888888888889) internal successors, (7468), 18 states have internal predecessors, (7468), 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) [2024-10-14 17:06:03,517 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:03,517 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:03,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 17:06:03,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:03,718 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:06:03,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:03,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1117616760, now seen corresponding path program 2 times [2024-10-14 17:06:03,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:03,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807106520] [2024-10-14 17:06:03,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:03,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:05,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:05,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807106520] [2024-10-14 17:06:05,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807106520] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:06:05,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023593612] [2024-10-14 17:06:05,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:06:05,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:05,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:06:05,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:06:05,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 17:06:06,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 17:06:06,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:06:06,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 17:06:06,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:06:06,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-14 17:06:06,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-14 17:06:06,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:06:06,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-14 17:06:06,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:06:06,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-14 17:06:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2233 trivial. 0 not checked. [2024-10-14 17:06:06,481 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:06:06,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023593612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:06:06,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 17:06:06,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-14 17:06:06,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112581636] [2024-10-14 17:06:06,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:06:06,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:06:06,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:06,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:06:06,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-14 17:06:07,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 431 [2024-10-14 17:06:07,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 493 transitions, 1476 flow. Second operand has 6 states, 6 states have (on average 346.0) internal successors, (2076), 6 states have internal predecessors, (2076), 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) [2024-10-14 17:06:07,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:07,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 431 [2024-10-14 17:06:07,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:07,842 INFO L124 PetriNetUnfolderBase]: 197/2269 cut-off events. [2024-10-14 17:06:07,842 INFO L125 PetriNetUnfolderBase]: For 449/480 co-relation queries the response was YES. [2024-10-14 17:06:07,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3554 conditions, 2269 events. 197/2269 cut-off events. For 449/480 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 9079 event pairs, 54 based on Foata normal form. 0/2167 useless extension candidates. Maximal degree in co-relation 2510. Up to 572 conditions per place. [2024-10-14 17:06:07,851 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 150 selfloop transitions, 5 changer transitions 0/492 dead transitions. [2024-10-14 17:06:07,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 492 transitions, 1784 flow [2024-10-14 17:06:07,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2107 transitions. [2024-10-14 17:06:07,855 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8147718484145399 [2024-10-14 17:06:07,855 INFO L175 Difference]: Start difference. First operand has 453 places, 493 transitions, 1476 flow. Second operand 6 states and 2107 transitions. [2024-10-14 17:06:07,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 492 transitions, 1784 flow [2024-10-14 17:06:07,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 492 transitions, 1760 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-14 17:06:07,865 INFO L231 Difference]: Finished difference. Result has 451 places, 492 transitions, 1460 flow [2024-10-14 17:06:07,866 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1450, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1460, PETRI_PLACES=451, PETRI_TRANSITIONS=492} [2024-10-14 17:06:07,866 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, 22 predicate places. [2024-10-14 17:06:07,867 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 492 transitions, 1460 flow [2024-10-14 17:06:07,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 346.0) internal successors, (2076), 6 states have internal predecessors, (2076), 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) [2024-10-14 17:06:07,868 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:07,868 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:07,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 17:06:08,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:08,069 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:06:08,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:08,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1661988273, now seen corresponding path program 1 times [2024-10-14 17:06:08,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:08,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235880560] [2024-10-14 17:06:08,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:08,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:10,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:10,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235880560] [2024-10-14 17:06:10,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235880560] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:06:10,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876604605] [2024-10-14 17:06:10,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:10,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:10,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:06:10,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:06:10,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 17:06:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:10,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 3654 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 17:06:10,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:06:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:11,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:06:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:12,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876604605] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:06:12,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:06:12,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-10-14 17:06:12,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832980988] [2024-10-14 17:06:12,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:06:12,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 17:06:12,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:12,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 17:06:12,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-10-14 17:06:12,751 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 431 [2024-10-14 17:06:12,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 492 transitions, 1460 flow. Second operand has 23 states, 23 states have (on average 415.0869565217391) internal successors, (9547), 23 states have internal predecessors, (9547), 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) [2024-10-14 17:06:12,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:12,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 431 [2024-10-14 17:06:12,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:13,577 INFO L124 PetriNetUnfolderBase]: 128/2415 cut-off events. [2024-10-14 17:06:13,577 INFO L125 PetriNetUnfolderBase]: For 301/321 co-relation queries the response was YES. [2024-10-14 17:06:13,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3179 conditions, 2415 events. 128/2415 cut-off events. For 301/321 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7304 event pairs, 21 based on Foata normal form. 3/2331 useless extension candidates. Maximal degree in co-relation 1953. Up to 207 conditions per place. [2024-10-14 17:06:13,589 INFO L140 encePairwiseOnDemand]: 425/431 looper letters, 22 selfloop transitions, 30 changer transitions 0/509 dead transitions. [2024-10-14 17:06:13,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 509 transitions, 1686 flow [2024-10-14 17:06:13,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-14 17:06:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-10-14 17:06:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 12444 transitions. [2024-10-14 17:06:13,609 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9624129930394432 [2024-10-14 17:06:13,609 INFO L175 Difference]: Start difference. First operand has 451 places, 492 transitions, 1460 flow. Second operand 30 states and 12444 transitions. [2024-10-14 17:06:13,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 509 transitions, 1686 flow [2024-10-14 17:06:13,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 509 transitions, 1676 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:06:13,623 INFO L231 Difference]: Finished difference. Result has 479 places, 502 transitions, 1602 flow [2024-10-14 17:06:13,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1450, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1602, PETRI_PLACES=479, PETRI_TRANSITIONS=502} [2024-10-14 17:06:13,624 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, 50 predicate places. [2024-10-14 17:06:13,624 INFO L471 AbstractCegarLoop]: Abstraction has has 479 places, 502 transitions, 1602 flow [2024-10-14 17:06:13,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 415.0869565217391) internal successors, (9547), 23 states have internal predecessors, (9547), 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) [2024-10-14 17:06:13,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:13,628 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:13,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 17:06:13,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 17:06:13,829 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:06:13,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:13,830 INFO L85 PathProgramCache]: Analyzing trace with hash -339219949, now seen corresponding path program 2 times [2024-10-14 17:06:13,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:13,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354328593] [2024-10-14 17:06:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:13,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-10-14 17:06:17,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:17,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354328593] [2024-10-14 17:06:17,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354328593] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:06:17,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:06:17,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:06:17,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702576559] [2024-10-14 17:06:17,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:06:17,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:06:17,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:17,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:06:17,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:06:18,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 431 [2024-10-14 17:06:18,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 502 transitions, 1602 flow. Second operand has 6 states, 6 states have (on average 347.5) internal successors, (2085), 6 states have internal predecessors, (2085), 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) [2024-10-14 17:06:18,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:18,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 431 [2024-10-14 17:06:18,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:19,453 INFO L124 PetriNetUnfolderBase]: 515/3491 cut-off events. [2024-10-14 17:06:19,453 INFO L125 PetriNetUnfolderBase]: For 940/1012 co-relation queries the response was YES. [2024-10-14 17:06:19,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5964 conditions, 3491 events. 515/3491 cut-off events. For 940/1012 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16135 event pairs, 92 based on Foata normal form. 16/3350 useless extension candidates. Maximal degree in co-relation 4457. Up to 1097 conditions per place. [2024-10-14 17:06:19,472 INFO L140 encePairwiseOnDemand]: 408/431 looper letters, 163 selfloop transitions, 130 changer transitions 0/639 dead transitions. [2024-10-14 17:06:19,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 639 transitions, 2838 flow [2024-10-14 17:06:19,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2185 transitions. [2024-10-14 17:06:19,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8449342614075793 [2024-10-14 17:06:19,475 INFO L175 Difference]: Start difference. First operand has 479 places, 502 transitions, 1602 flow. Second operand 6 states and 2185 transitions. [2024-10-14 17:06:19,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 639 transitions, 2838 flow [2024-10-14 17:06:19,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 639 transitions, 2792 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-10-14 17:06:19,496 INFO L231 Difference]: Finished difference. Result has 471 places, 631 transitions, 2784 flow [2024-10-14 17:06:19,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=1556, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2784, PETRI_PLACES=471, PETRI_TRANSITIONS=631} [2024-10-14 17:06:19,498 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, 42 predicate places. [2024-10-14 17:06:19,498 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 631 transitions, 2784 flow [2024-10-14 17:06:19,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 347.5) internal successors, (2085), 6 states have internal predecessors, (2085), 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) [2024-10-14 17:06:19,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:19,499 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:19,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 17:06:19,499 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:06:19,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:19,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1718465356, now seen corresponding path program 1 times [2024-10-14 17:06:19,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:19,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574033078] [2024-10-14 17:06:19,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-10-14 17:06:22,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:22,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574033078] [2024-10-14 17:06:22,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574033078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:06:22,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:06:22,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:06:22,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225637871] [2024-10-14 17:06:22,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:06:22,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:06:22,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:22,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:06:22,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:06:23,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 431 [2024-10-14 17:06:23,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 631 transitions, 2784 flow. Second operand has 6 states, 6 states have (on average 346.0) internal successors, (2076), 6 states have internal predecessors, (2076), 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) [2024-10-14 17:06:23,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:23,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 431 [2024-10-14 17:06:23,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:24,764 INFO L124 PetriNetUnfolderBase]: 791/4262 cut-off events. [2024-10-14 17:06:24,765 INFO L125 PetriNetUnfolderBase]: For 3334/3532 co-relation queries the response was YES. [2024-10-14 17:06:24,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8828 conditions, 4262 events. 791/4262 cut-off events. For 3334/3532 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22292 event pairs, 65 based on Foata normal form. 52/4149 useless extension candidates. Maximal degree in co-relation 7338. Up to 1357 conditions per place. [2024-10-14 17:06:24,798 INFO L140 encePairwiseOnDemand]: 408/431 looper letters, 285 selfloop transitions, 131 changer transitions 5/769 dead transitions. [2024-10-14 17:06:24,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 769 transitions, 4526 flow [2024-10-14 17:06:24,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2176 transitions. [2024-10-14 17:06:24,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8414539829853055 [2024-10-14 17:06:24,801 INFO L175 Difference]: Start difference. First operand has 471 places, 631 transitions, 2784 flow. Second operand 6 states and 2176 transitions. [2024-10-14 17:06:24,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 769 transitions, 4526 flow [2024-10-14 17:06:24,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 769 transitions, 4526 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:06:24,826 INFO L231 Difference]: Finished difference. Result has 481 places, 759 transitions, 4264 flow [2024-10-14 17:06:24,828 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=2784, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=593, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4264, PETRI_PLACES=481, PETRI_TRANSITIONS=759} [2024-10-14 17:06:24,829 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, 52 predicate places. [2024-10-14 17:06:24,829 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 759 transitions, 4264 flow [2024-10-14 17:06:24,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 346.0) internal successors, (2076), 6 states have internal predecessors, (2076), 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) [2024-10-14 17:06:24,829 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:24,830 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:24,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 17:06:24,830 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:06:24,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:24,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1595907748, now seen corresponding path program 1 times [2024-10-14 17:06:24,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:24,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987279647] [2024-10-14 17:06:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:24,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-10-14 17:06:27,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:27,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987279647] [2024-10-14 17:06:27,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987279647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:06:27,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:06:27,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:06:27,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656343574] [2024-10-14 17:06:27,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:06:27,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:06:27,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:27,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:06:27,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:06:28,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 431 [2024-10-14 17:06:28,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 759 transitions, 4264 flow. Second operand has 6 states, 6 states have (on average 314.6666666666667) internal successors, (1888), 6 states have internal predecessors, (1888), 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) [2024-10-14 17:06:28,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:28,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 431 [2024-10-14 17:06:28,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:30,173 INFO L124 PetriNetUnfolderBase]: 1308/5645 cut-off events. [2024-10-14 17:06:30,173 INFO L125 PetriNetUnfolderBase]: For 4878/4935 co-relation queries the response was YES. [2024-10-14 17:06:30,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13582 conditions, 5645 events. 1308/5645 cut-off events. For 4878/4935 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33787 event pairs, 369 based on Foata normal form. 11/5411 useless extension candidates. Maximal degree in co-relation 12008. Up to 2597 conditions per place. [2024-10-14 17:06:30,210 INFO L140 encePairwiseOnDemand]: 412/431 looper letters, 364 selfloop transitions, 84 changer transitions 0/838 dead transitions. [2024-10-14 17:06:30,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 838 transitions, 5558 flow [2024-10-14 17:06:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1984 transitions. [2024-10-14 17:06:30,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7672080433101315 [2024-10-14 17:06:30,213 INFO L175 Difference]: Start difference. First operand has 481 places, 759 transitions, 4264 flow. Second operand 6 states and 1984 transitions. [2024-10-14 17:06:30,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 838 transitions, 5558 flow [2024-10-14 17:06:30,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 838 transitions, 5304 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-10-14 17:06:30,248 INFO L231 Difference]: Finished difference. Result has 490 places, 830 transitions, 4800 flow [2024-10-14 17:06:30,249 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=4016, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=759, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4800, PETRI_PLACES=490, PETRI_TRANSITIONS=830} [2024-10-14 17:06:30,250 INFO L277 CegarLoopForPetriNet]: 429 programPoint places, 61 predicate places. [2024-10-14 17:06:30,250 INFO L471 AbstractCegarLoop]: Abstraction has has 490 places, 830 transitions, 4800 flow [2024-10-14 17:06:30,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 314.6666666666667) internal successors, (1888), 6 states have internal predecessors, (1888), 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) [2024-10-14 17:06:30,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:30,251 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:30,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 17:06:30,251 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2024-10-14 17:06:30,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:30,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1141363138, now seen corresponding path program 1 times [2024-10-14 17:06:30,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:30,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840120468] [2024-10-14 17:06:30,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:30,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat