./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/reorder_5.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 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:27:15,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:27:15,499 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:27:15,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:27:15,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:27:15,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:27:15,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:27:15,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:27:15,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:27:15,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:27:15,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:27:15,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:27:15,523 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:27:15,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:27:15,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:27:15,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:27:15,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:27:15,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:27:15,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:27:15,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:27:15,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:27:15,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:27:15,530 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:27:15,530 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:27:15,530 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:27:15,530 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:27:15,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:27:15,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:27:15,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:27:15,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:27:15,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:27:15,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:27:15,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:27:15,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:27:15,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:27:15,533 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:27:15,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:27:15,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:27:15,534 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:27:15,534 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:27:15,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:27:15,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd [2024-11-19 05:27:15,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:27:15,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:27:15,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:27:15,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:27:15,780 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:27:15,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/reorder_5.i [2024-11-19 05:27:17,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:27:17,350 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:27:17,350 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/reorder_5.i [2024-11-19 05:27:17,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aecc5a98/1fba460b4eef4db2abc0556186e37e28/FLAG593440178 [2024-11-19 05:27:17,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aecc5a98/1fba460b4eef4db2abc0556186e37e28 [2024-11-19 05:27:17,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:27:17,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:27:17,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:27:17,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:27:17,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:27:17,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:27:17" (1/1) ... [2024-11-19 05:27:17,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1252ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:17, skipping insertion in model container [2024-11-19 05:27:17,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:27:17" (1/1) ... [2024-11-19 05:27:17,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:27:18,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:27:18,196 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:27:18,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:27:18,345 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:27:18,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18 WrapperNode [2024-11-19 05:27:18,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:27:18,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:27:18,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:27:18,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:27:18,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,421 INFO L138 Inliner]: procedures = 371, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 212 [2024-11-19 05:27:18,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:27:18,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:27:18,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:27:18,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:27:18,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:27:18,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:27:18,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:27:18,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:27:18,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (1/1) ... [2024-11-19 05:27:18,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:27:18,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:18,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:27:18,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:27:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 05:27:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 05:27:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 05:27:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 05:27:18,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:27:18,532 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-19 05:27:18,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-19 05:27:18,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:27:18,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:27:18,532 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-19 05:27:18,532 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-19 05:27:18,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:27:18,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:27:18,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:27:18,534 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:27:18,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:27:18,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:27:18,964 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:27:18,965 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:27:18,998 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:27:18,998 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 05:27:18,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:27:18 BoogieIcfgContainer [2024-11-19 05:27:18,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:27:19,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:27:19,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:27:19,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:27:19,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:27:17" (1/3) ... [2024-11-19 05:27:19,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0e35f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:27:19, skipping insertion in model container [2024-11-19 05:27:19,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:18" (2/3) ... [2024-11-19 05:27:19,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0e35f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:27:19, skipping insertion in model container [2024-11-19 05:27:19,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:27:18" (3/3) ... [2024-11-19 05:27:19,010 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5.i [2024-11-19 05:27:19,024 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:27:19,025 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-19 05:27:19,025 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:27:19,095 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-19 05:27:19,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 230 places, 242 transitions, 504 flow [2024-11-19 05:27:19,270 INFO L124 PetriNetUnfolderBase]: 37/514 cut-off events. [2024-11-19 05:27:19,271 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-19 05:27:19,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 514 events. 37/514 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2039 event pairs, 0 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 278. Up to 8 conditions per place. [2024-11-19 05:27:19,287 INFO L82 GeneralOperation]: Start removeDead. Operand has 230 places, 242 transitions, 504 flow [2024-11-19 05:27:19,295 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 230 places, 242 transitions, 504 flow [2024-11-19 05:27:19,304 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:27:19,310 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;@4e568b77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:27:19,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-19 05:27:19,314 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:27:19,314 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-19 05:27:19,314 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:27:19,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:19,315 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] [2024-11-19 05:27:19,316 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:19,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:19,320 INFO L85 PathProgramCache]: Analyzing trace with hash 443327457, now seen corresponding path program 1 times [2024-11-19 05:27:19,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:19,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103711412] [2024-11-19 05:27:19,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:19,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:19,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:19,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103711412] [2024-11-19 05:27:19,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103711412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:19,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:19,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:19,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630840220] [2024-11-19 05:27:19,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:19,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:19,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:19,590 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 242 [2024-11-19 05:27:19,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 242 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:19,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:19,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 242 [2024-11-19 05:27:19,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:19,734 INFO L124 PetriNetUnfolderBase]: 63/784 cut-off events. [2024-11-19 05:27:19,735 INFO L125 PetriNetUnfolderBase]: For 74/126 co-relation queries the response was YES. [2024-11-19 05:27:19,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 784 events. 63/784 cut-off events. For 74/126 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3958 event pairs, 50 based on Foata normal form. 53/708 useless extension candidates. Maximal degree in co-relation 557. Up to 128 conditions per place. [2024-11-19 05:27:19,744 INFO L140 encePairwiseOnDemand]: 222/242 looper letters, 18 selfloop transitions, 1 changer transitions 6/222 dead transitions. [2024-11-19 05:27:19,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 222 transitions, 502 flow [2024-11-19 05:27:19,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-11-19 05:27:19,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8911845730027548 [2024-11-19 05:27:19,760 INFO L175 Difference]: Start difference. First operand has 230 places, 242 transitions, 504 flow. Second operand 3 states and 647 transitions. [2024-11-19 05:27:19,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 222 transitions, 502 flow [2024-11-19 05:27:19,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 222 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:19,769 INFO L231 Difference]: Finished difference. Result has 223 places, 216 transitions, 454 flow [2024-11-19 05:27:19,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=223, PETRI_TRANSITIONS=216} [2024-11-19 05:27:19,775 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -7 predicate places. [2024-11-19 05:27:19,775 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 216 transitions, 454 flow [2024-11-19 05:27:19,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:19,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:19,777 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] [2024-11-19 05:27:19,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:27:19,777 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:19,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:19,778 INFO L85 PathProgramCache]: Analyzing trace with hash 858225211, now seen corresponding path program 1 times [2024-11-19 05:27:19,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:19,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738324471] [2024-11-19 05:27:19,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:19,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:19,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:19,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738324471] [2024-11-19 05:27:19,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738324471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:19,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:19,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:19,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598259895] [2024-11-19 05:27:19,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:19,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:19,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:19,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:19,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:19,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 242 [2024-11-19 05:27:19,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 216 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:19,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:19,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 242 [2024-11-19 05:27:19,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:20,080 INFO L124 PetriNetUnfolderBase]: 60/1377 cut-off events. [2024-11-19 05:27:20,080 INFO L125 PetriNetUnfolderBase]: For 198/374 co-relation queries the response was YES. [2024-11-19 05:27:20,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1544 conditions, 1377 events. 60/1377 cut-off events. For 198/374 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8692 event pairs, 28 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 742. Up to 51 conditions per place. [2024-11-19 05:27:20,085 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 21 selfloop transitions, 1 changer transitions 0/225 dead transitions. [2024-11-19 05:27:20,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 225 transitions, 534 flow [2024-11-19 05:27:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:20,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:20,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2024-11-19 05:27:20,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9118457300275482 [2024-11-19 05:27:20,088 INFO L175 Difference]: Start difference. First operand has 223 places, 216 transitions, 454 flow. Second operand 3 states and 662 transitions. [2024-11-19 05:27:20,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 225 transitions, 534 flow [2024-11-19 05:27:20,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 225 transitions, 533 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:20,092 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 453 flow [2024-11-19 05:27:20,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=453, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2024-11-19 05:27:20,095 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -13 predicate places. [2024-11-19 05:27:20,095 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 453 flow [2024-11-19 05:27:20,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:20,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:20,096 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:20,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:27:20,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:20,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:20,098 INFO L85 PathProgramCache]: Analyzing trace with hash 835050036, now seen corresponding path program 1 times [2024-11-19 05:27:20,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:20,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101922463] [2024-11-19 05:27:20,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:20,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:20,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:20,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101922463] [2024-11-19 05:27:20,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101922463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:20,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:20,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:20,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375800912] [2024-11-19 05:27:20,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:20,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:20,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:20,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:20,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:20,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 242 [2024-11-19 05:27:20,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 453 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:20,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:20,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 242 [2024-11-19 05:27:20,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:20,348 INFO L124 PetriNetUnfolderBase]: 232/1654 cut-off events. [2024-11-19 05:27:20,349 INFO L125 PetriNetUnfolderBase]: For 278/582 co-relation queries the response was YES. [2024-11-19 05:27:20,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2183 conditions, 1654 events. 232/1654 cut-off events. For 278/582 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10737 event pairs, 52 based on Foata normal form. 19/1466 useless extension candidates. Maximal degree in co-relation 1088. Up to 355 conditions per place. [2024-11-19 05:27:20,358 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 15 selfloop transitions, 1 changer transitions 24/219 dead transitions. [2024-11-19 05:27:20,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 219 transitions, 527 flow [2024-11-19 05:27:20,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2024-11-19 05:27:20,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8677685950413223 [2024-11-19 05:27:20,360 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 453 flow. Second operand 3 states and 630 transitions. [2024-11-19 05:27:20,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 219 transitions, 527 flow [2024-11-19 05:27:20,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 219 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:20,365 INFO L231 Difference]: Finished difference. Result has 212 places, 191 transitions, 406 flow [2024-11-19 05:27:20,365 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=212, PETRI_TRANSITIONS=191} [2024-11-19 05:27:20,366 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -18 predicate places. [2024-11-19 05:27:20,367 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 191 transitions, 406 flow [2024-11-19 05:27:20,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:20,367 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:20,368 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:20,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:27:20,368 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:20,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:20,368 INFO L85 PathProgramCache]: Analyzing trace with hash 178064639, now seen corresponding path program 1 times [2024-11-19 05:27:20,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:20,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752358681] [2024-11-19 05:27:20,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:20,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:20,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:20,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752358681] [2024-11-19 05:27:20,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752358681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:20,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:20,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:20,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786981633] [2024-11-19 05:27:20,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:20,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:20,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:20,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:20,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:20,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 242 [2024-11-19 05:27:20,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 191 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:20,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:20,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 242 [2024-11-19 05:27:20,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:20,580 INFO L124 PetriNetUnfolderBase]: 184/1551 cut-off events. [2024-11-19 05:27:20,580 INFO L125 PetriNetUnfolderBase]: For 180/284 co-relation queries the response was YES. [2024-11-19 05:27:20,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2020 conditions, 1551 events. 184/1551 cut-off events. For 180/284 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 10267 event pairs, 156 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 1839. Up to 362 conditions per place. [2024-11-19 05:27:20,589 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2024-11-19 05:27:20,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 440 flow [2024-11-19 05:27:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2024-11-19 05:27:20,591 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.871900826446281 [2024-11-19 05:27:20,591 INFO L175 Difference]: Start difference. First operand has 212 places, 191 transitions, 406 flow. Second operand 3 states and 633 transitions. [2024-11-19 05:27:20,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 440 flow [2024-11-19 05:27:20,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:20,596 INFO L231 Difference]: Finished difference. Result has 192 places, 188 transitions, 407 flow [2024-11-19 05:27:20,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=192, PETRI_TRANSITIONS=188} [2024-11-19 05:27:20,598 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -38 predicate places. [2024-11-19 05:27:20,598 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 188 transitions, 407 flow [2024-11-19 05:27:20,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:20,599 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:20,599 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:20,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:27:20,600 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:20,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:20,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1611870718, now seen corresponding path program 1 times [2024-11-19 05:27:20,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:20,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238223853] [2024-11-19 05:27:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:20,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:20,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:20,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238223853] [2024-11-19 05:27:20,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238223853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:20,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:20,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:20,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473919169] [2024-11-19 05:27:20,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:20,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:20,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:20,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:20,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:20,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2024-11-19 05:27:20,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 188 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:20,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:20,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2024-11-19 05:27:20,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:20,824 INFO L124 PetriNetUnfolderBase]: 124/1330 cut-off events. [2024-11-19 05:27:20,824 INFO L125 PetriNetUnfolderBase]: For 180/284 co-relation queries the response was YES. [2024-11-19 05:27:20,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1330 events. 124/1330 cut-off events. For 180/284 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 8395 event pairs, 96 based on Foata normal form. 0/1141 useless extension candidates. Maximal degree in co-relation 840. Up to 250 conditions per place. [2024-11-19 05:27:20,831 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 17 selfloop transitions, 2 changer transitions 3/187 dead transitions. [2024-11-19 05:27:20,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 187 transitions, 445 flow [2024-11-19 05:27:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-19 05:27:20,833 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8760330578512396 [2024-11-19 05:27:20,833 INFO L175 Difference]: Start difference. First operand has 192 places, 188 transitions, 407 flow. Second operand 3 states and 636 transitions. [2024-11-19 05:27:20,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 187 transitions, 445 flow [2024-11-19 05:27:20,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 187 transitions, 445 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:20,838 INFO L231 Difference]: Finished difference. Result has 193 places, 184 transitions, 403 flow [2024-11-19 05:27:20,838 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=193, PETRI_TRANSITIONS=184} [2024-11-19 05:27:20,839 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -37 predicate places. [2024-11-19 05:27:20,840 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 184 transitions, 403 flow [2024-11-19 05:27:20,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:20,841 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:20,841 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] [2024-11-19 05:27:20,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:27:20,842 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:20,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:20,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1553405618, now seen corresponding path program 1 times [2024-11-19 05:27:20,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:20,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725369862] [2024-11-19 05:27:20,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:20,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:20,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:20,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725369862] [2024-11-19 05:27:20,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725369862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:20,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:20,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:20,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776130276] [2024-11-19 05:27:20,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:20,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:20,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:20,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:20,895 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 242 [2024-11-19 05:27:20,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 184 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:20,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:20,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 242 [2024-11-19 05:27:20,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:21,013 INFO L124 PetriNetUnfolderBase]: 60/1177 cut-off events. [2024-11-19 05:27:21,013 INFO L125 PetriNetUnfolderBase]: For 198/374 co-relation queries the response was YES. [2024-11-19 05:27:21,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 1177 events. 60/1177 cut-off events. For 198/374 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6887 event pairs, 28 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 684. Up to 51 conditions per place. [2024-11-19 05:27:21,019 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 21 selfloop transitions, 1 changer transitions 0/193 dead transitions. [2024-11-19 05:27:21,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 483 flow [2024-11-19 05:27:21,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2024-11-19 05:27:21,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9118457300275482 [2024-11-19 05:27:21,021 INFO L175 Difference]: Start difference. First operand has 193 places, 184 transitions, 403 flow. Second operand 3 states and 662 transitions. [2024-11-19 05:27:21,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 483 flow [2024-11-19 05:27:21,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:21,024 INFO L231 Difference]: Finished difference. Result has 189 places, 183 transitions, 399 flow [2024-11-19 05:27:21,025 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=189, PETRI_TRANSITIONS=183} [2024-11-19 05:27:21,025 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -41 predicate places. [2024-11-19 05:27:21,025 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 183 transitions, 399 flow [2024-11-19 05:27:21,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:21,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:21,026 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] [2024-11-19 05:27:21,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:27:21,027 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:21,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:21,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1906502909, now seen corresponding path program 1 times [2024-11-19 05:27:21,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:21,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383965652] [2024-11-19 05:27:21,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:21,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:21,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:21,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383965652] [2024-11-19 05:27:21,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383965652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:21,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:21,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:21,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711069948] [2024-11-19 05:27:21,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:21,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:21,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:21,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:21,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:21,088 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2024-11-19 05:27:21,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 183 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:21,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:21,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2024-11-19 05:27:21,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:21,181 INFO L124 PetriNetUnfolderBase]: 120/1268 cut-off events. [2024-11-19 05:27:21,181 INFO L125 PetriNetUnfolderBase]: For 184/304 co-relation queries the response was YES. [2024-11-19 05:27:21,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 1268 events. 120/1268 cut-off events. For 184/304 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7937 event pairs, 92 based on Foata normal form. 0/1083 useless extension candidates. Maximal degree in co-relation 808. Up to 234 conditions per place. [2024-11-19 05:27:21,187 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2024-11-19 05:27:21,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 182 transitions, 437 flow [2024-11-19 05:27:21,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2024-11-19 05:27:21,189 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8746556473829201 [2024-11-19 05:27:21,189 INFO L175 Difference]: Start difference. First operand has 189 places, 183 transitions, 399 flow. Second operand 3 states and 635 transitions. [2024-11-19 05:27:21,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 182 transitions, 437 flow [2024-11-19 05:27:21,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 182 transitions, 436 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:21,192 INFO L231 Difference]: Finished difference. Result has 189 places, 182 transitions, 400 flow [2024-11-19 05:27:21,192 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=189, PETRI_TRANSITIONS=182} [2024-11-19 05:27:21,193 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -41 predicate places. [2024-11-19 05:27:21,193 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 182 transitions, 400 flow [2024-11-19 05:27:21,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:21,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:21,194 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:21,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:27:21,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:21,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:21,195 INFO L85 PathProgramCache]: Analyzing trace with hash 903187859, now seen corresponding path program 1 times [2024-11-19 05:27:21,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:21,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156827852] [2024-11-19 05:27:21,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:21,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:21,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:21,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156827852] [2024-11-19 05:27:21,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156827852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:21,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:21,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:27:21,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631003363] [2024-11-19 05:27:21,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:21,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:21,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:21,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:21,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:21,240 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 242 [2024-11-19 05:27:21,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 182 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:21,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:21,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 242 [2024-11-19 05:27:21,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:21,366 INFO L124 PetriNetUnfolderBase]: 58/1164 cut-off events. [2024-11-19 05:27:21,367 INFO L125 PetriNetUnfolderBase]: For 198/374 co-relation queries the response was YES. [2024-11-19 05:27:21,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 1164 events. 58/1164 cut-off events. For 198/374 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6806 event pairs, 28 based on Foata normal form. 2/1023 useless extension candidates. Maximal degree in co-relation 695. Up to 110 conditions per place. [2024-11-19 05:27:21,372 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 16 selfloop transitions, 0 changer transitions 1/181 dead transitions. [2024-11-19 05:27:21,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 181 transitions, 429 flow [2024-11-19 05:27:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:21,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-19 05:27:21,374 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8760330578512396 [2024-11-19 05:27:21,374 INFO L175 Difference]: Start difference. First operand has 189 places, 182 transitions, 400 flow. Second operand 3 states and 636 transitions. [2024-11-19 05:27:21,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 181 transitions, 429 flow [2024-11-19 05:27:21,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 181 transitions, 421 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-19 05:27:21,378 INFO L231 Difference]: Finished difference. Result has 188 places, 180 transitions, 387 flow [2024-11-19 05:27:21,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=188, PETRI_TRANSITIONS=180} [2024-11-19 05:27:21,380 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -42 predicate places. [2024-11-19 05:27:21,381 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 180 transitions, 387 flow [2024-11-19 05:27:21,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:21,381 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:21,381 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:21,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:27:21,382 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:21,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:21,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1668968920, now seen corresponding path program 1 times [2024-11-19 05:27:21,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:21,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582154940] [2024-11-19 05:27:21,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:21,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:21,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:21,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582154940] [2024-11-19 05:27:21,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582154940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:21,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:21,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:21,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042384395] [2024-11-19 05:27:21,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:21,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:21,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:21,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:21,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:21,929 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 242 [2024-11-19 05:27:21,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 180 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:21,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:21,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 242 [2024-11-19 05:27:21,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:22,193 INFO L124 PetriNetUnfolderBase]: 650/3452 cut-off events. [2024-11-19 05:27:22,193 INFO L125 PetriNetUnfolderBase]: For 98/100 co-relation queries the response was YES. [2024-11-19 05:27:22,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4986 conditions, 3452 events. 650/3452 cut-off events. For 98/100 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 28961 event pairs, 296 based on Foata normal form. 0/3061 useless extension candidates. Maximal degree in co-relation 4980. Up to 1255 conditions per place. [2024-11-19 05:27:22,212 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 44 selfloop transitions, 5 changer transitions 4/187 dead transitions. [2024-11-19 05:27:22,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 187 transitions, 501 flow [2024-11-19 05:27:22,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1137 transitions. [2024-11-19 05:27:22,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7830578512396694 [2024-11-19 05:27:22,215 INFO L175 Difference]: Start difference. First operand has 188 places, 180 transitions, 387 flow. Second operand 6 states and 1137 transitions. [2024-11-19 05:27:22,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 187 transitions, 501 flow [2024-11-19 05:27:22,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 499 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:22,219 INFO L231 Difference]: Finished difference. Result has 190 places, 175 transitions, 385 flow [2024-11-19 05:27:22,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=190, PETRI_TRANSITIONS=175} [2024-11-19 05:27:22,221 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -40 predicate places. [2024-11-19 05:27:22,222 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 175 transitions, 385 flow [2024-11-19 05:27:22,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:22,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:22,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:22,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:27:22,224 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:22,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:22,224 INFO L85 PathProgramCache]: Analyzing trace with hash 99985581, now seen corresponding path program 1 times [2024-11-19 05:27:22,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:22,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570343568] [2024-11-19 05:27:22,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:22,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:22,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:22,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570343568] [2024-11-19 05:27:22,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570343568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:22,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:22,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 05:27:22,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728710912] [2024-11-19 05:27:22,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:22,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 05:27:22,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:22,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 05:27:22,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 05:27:22,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 242 [2024-11-19 05:27:22,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 175 transitions, 385 flow. Second operand has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:22,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:22,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 242 [2024-11-19 05:27:22,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:22,573 INFO L124 PetriNetUnfolderBase]: 159/1449 cut-off events. [2024-11-19 05:27:22,573 INFO L125 PetriNetUnfolderBase]: For 138/240 co-relation queries the response was YES. [2024-11-19 05:27:22,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 1449 events. 159/1449 cut-off events. For 138/240 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 9737 event pairs, 120 based on Foata normal form. 11/1288 useless extension candidates. Maximal degree in co-relation 1900. Up to 209 conditions per place. [2024-11-19 05:27:22,582 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 42 selfloop transitions, 10 changer transitions 0/203 dead transitions. [2024-11-19 05:27:22,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 203 transitions, 569 flow [2024-11-19 05:27:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 05:27:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 05:27:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 858 transitions. [2024-11-19 05:27:22,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8863636363636364 [2024-11-19 05:27:22,585 INFO L175 Difference]: Start difference. First operand has 190 places, 175 transitions, 385 flow. Second operand 4 states and 858 transitions. [2024-11-19 05:27:22,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 203 transitions, 569 flow [2024-11-19 05:27:22,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 203 transitions, 559 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:22,589 INFO L231 Difference]: Finished difference. Result has 186 places, 183 transitions, 449 flow [2024-11-19 05:27:22,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=449, PETRI_PLACES=186, PETRI_TRANSITIONS=183} [2024-11-19 05:27:22,591 INFO L277 CegarLoopForPetriNet]: 230 programPoint places, -44 predicate places. [2024-11-19 05:27:22,591 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 183 transitions, 449 flow [2024-11-19 05:27:22,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:22,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:22,592 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:22,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:27:22,592 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-19 05:27:22,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:22,593 INFO L85 PathProgramCache]: Analyzing trace with hash 333386763, now seen corresponding path program 1 times [2024-11-19 05:27:22,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:22,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795786174] [2024-11-19 05:27:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:22,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:27:22,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:27:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:27:22,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:27:22,660 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:27:22,662 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2024-11-19 05:27:22,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-19 05:27:22,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-19 05:27:22,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-19 05:27:22,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-19 05:27:22,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-19 05:27:22,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-19 05:27:22,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-19 05:27:22,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-19 05:27:22,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-19 05:27:22,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-19 05:27:22,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-19 05:27:22,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-19 05:27:22,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-19 05:27:22,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-19 05:27:22,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-19 05:27:22,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-19 05:27:22,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-11-19 05:27:22,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2024-11-19 05:27:22,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-11-19 05:27:22,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-11-19 05:27:22,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-19 05:27:22,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-19 05:27:22,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-19 05:27:22,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-19 05:27:22,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-19 05:27:22,668 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-19 05:27:22,668 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 33 remaining) [2024-11-19 05:27:22,668 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-19 05:27:22,668 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-19 05:27:22,668 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-19 05:27:22,668 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-19 05:27:22,669 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-19 05:27:22,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:27:22,669 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:22,672 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:27:22,672 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-19 05:27:22,698 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-19 05:27:22,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 271 transitions, 586 flow [2024-11-19 05:27:22,854 INFO L124 PetriNetUnfolderBase]: 149/1607 cut-off events. [2024-11-19 05:27:22,854 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-19 05:27:22,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 1607 events. 149/1607 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 9254 event pairs, 1 based on Foata normal form. 0/1314 useless extension candidates. Maximal degree in co-relation 931. Up to 32 conditions per place. [2024-11-19 05:27:22,861 INFO L82 GeneralOperation]: Start removeDead. Operand has 258 places, 271 transitions, 586 flow [2024-11-19 05:27:22,867 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 258 places, 271 transitions, 586 flow [2024-11-19 05:27:22,869 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:27:22,869 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;@4e568b77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:27:22,869 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-11-19 05:27:22,870 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:27:22,871 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-19 05:27:22,871 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:27:22,871 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:22,871 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] [2024-11-19 05:27:22,871 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:22,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:22,871 INFO L85 PathProgramCache]: Analyzing trace with hash -238539743, now seen corresponding path program 1 times [2024-11-19 05:27:22,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:22,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733987304] [2024-11-19 05:27:22,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:22,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:22,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:22,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733987304] [2024-11-19 05:27:22,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733987304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:22,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:22,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:22,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230544967] [2024-11-19 05:27:22,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:22,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:22,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:22,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:22,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:22,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 271 [2024-11-19 05:27:22,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 271 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:22,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:22,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 271 [2024-11-19 05:27:22,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:23,953 INFO L124 PetriNetUnfolderBase]: 2218/9953 cut-off events. [2024-11-19 05:27:23,953 INFO L125 PetriNetUnfolderBase]: For 2389/5458 co-relation queries the response was YES. [2024-11-19 05:27:23,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13940 conditions, 9953 events. 2218/9953 cut-off events. For 2389/5458 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 103749 event pairs, 1905 based on Foata normal form. 879/9106 useless extension candidates. Maximal degree in co-relation 9049. Up to 3249 conditions per place. [2024-11-19 05:27:24,047 INFO L140 encePairwiseOnDemand]: 246/271 looper letters, 28 selfloop transitions, 1 changer transitions 4/245 dead transitions. [2024-11-19 05:27:24,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 245 transitions, 592 flow [2024-11-19 05:27:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-19 05:27:24,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8622386223862238 [2024-11-19 05:27:24,050 INFO L175 Difference]: Start difference. First operand has 258 places, 271 transitions, 586 flow. Second operand 3 states and 701 transitions. [2024-11-19 05:27:24,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 245 transitions, 592 flow [2024-11-19 05:27:24,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 245 transitions, 592 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:24,057 INFO L231 Difference]: Finished difference. Result has 246 places, 241 transitions, 528 flow [2024-11-19 05:27:24,057 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=246, PETRI_TRANSITIONS=241} [2024-11-19 05:27:24,058 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -12 predicate places. [2024-11-19 05:27:24,058 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 241 transitions, 528 flow [2024-11-19 05:27:24,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:24,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:24,059 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] [2024-11-19 05:27:24,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:27:24,059 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:24,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1195178760, now seen corresponding path program 1 times [2024-11-19 05:27:24,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:24,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360283032] [2024-11-19 05:27:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:24,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:24,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360283032] [2024-11-19 05:27:24,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360283032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:24,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:24,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:24,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4901891] [2024-11-19 05:27:24,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:24,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:24,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:24,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:24,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:24,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-19 05:27:24,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 241 transitions, 528 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:24,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:24,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-19 05:27:24,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:25,954 INFO L124 PetriNetUnfolderBase]: 2492/17389 cut-off events. [2024-11-19 05:27:25,954 INFO L125 PetriNetUnfolderBase]: For 5208/27084 co-relation queries the response was YES. [2024-11-19 05:27:26,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22356 conditions, 17389 events. 2492/17389 cut-off events. For 5208/27084 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 216356 event pairs, 1706 based on Foata normal form. 0/14144 useless extension candidates. Maximal degree in co-relation 11147. Up to 1670 conditions per place. [2024-11-19 05:27:26,079 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 41 selfloop transitions, 1 changer transitions 0/260 dead transitions. [2024-11-19 05:27:26,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 260 transitions, 690 flow [2024-11-19 05:27:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2024-11-19 05:27:26,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8868388683886839 [2024-11-19 05:27:26,081 INFO L175 Difference]: Start difference. First operand has 246 places, 241 transitions, 528 flow. Second operand 3 states and 721 transitions. [2024-11-19 05:27:26,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 260 transitions, 690 flow [2024-11-19 05:27:26,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 260 transitions, 689 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:26,087 INFO L231 Difference]: Finished difference. Result has 242 places, 240 transitions, 527 flow [2024-11-19 05:27:26,088 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=242, PETRI_TRANSITIONS=240} [2024-11-19 05:27:26,089 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -16 predicate places. [2024-11-19 05:27:26,089 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 240 transitions, 527 flow [2024-11-19 05:27:26,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:26,089 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:26,089 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:26,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:27:26,090 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:26,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:26,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1604291564, now seen corresponding path program 1 times [2024-11-19 05:27:26,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:26,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155638432] [2024-11-19 05:27:26,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:26,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:26,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:26,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155638432] [2024-11-19 05:27:26,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155638432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:26,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:26,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:26,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026678661] [2024-11-19 05:27:26,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:26,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:26,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:26,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:26,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:26,123 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 271 [2024-11-19 05:27:26,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 240 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:26,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:26,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 271 [2024-11-19 05:27:26,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:30,051 INFO L124 PetriNetUnfolderBase]: 14770/40622 cut-off events. [2024-11-19 05:27:30,051 INFO L125 PetriNetUnfolderBase]: For 9854/48010 co-relation queries the response was YES. [2024-11-19 05:27:30,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64561 conditions, 40622 events. 14770/40622 cut-off events. For 9854/48010 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 463266 event pairs, 4272 based on Foata normal form. 121/35648 useless extension candidates. Maximal degree in co-relation 32276. Up to 17809 conditions per place. [2024-11-19 05:27:30,284 INFO L140 encePairwiseOnDemand]: 257/271 looper letters, 41 selfloop transitions, 2 changer transitions 18/255 dead transitions. [2024-11-19 05:27:30,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 255 transitions, 696 flow [2024-11-19 05:27:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-19 05:27:30,286 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8437884378843789 [2024-11-19 05:27:30,286 INFO L175 Difference]: Start difference. First operand has 242 places, 240 transitions, 527 flow. Second operand 3 states and 686 transitions. [2024-11-19 05:27:30,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 255 transitions, 696 flow [2024-11-19 05:27:30,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 255 transitions, 695 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:30,293 INFO L231 Difference]: Finished difference. Result has 237 places, 220 transitions, 496 flow [2024-11-19 05:27:30,293 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=237, PETRI_TRANSITIONS=220} [2024-11-19 05:27:30,294 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -21 predicate places. [2024-11-19 05:27:30,294 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 220 transitions, 496 flow [2024-11-19 05:27:30,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:30,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:30,295 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:30,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:27:30,295 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:30,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:30,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1022939263, now seen corresponding path program 1 times [2024-11-19 05:27:30,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:30,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192765165] [2024-11-19 05:27:30,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:30,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:30,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:30,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192765165] [2024-11-19 05:27:30,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192765165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:30,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:30,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:30,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913097764] [2024-11-19 05:27:30,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:30,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:30,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:30,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:30,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:30,328 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 271 [2024-11-19 05:27:30,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 220 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:30,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:30,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 271 [2024-11-19 05:27:30,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:32,669 INFO L124 PetriNetUnfolderBase]: 6096/21809 cut-off events. [2024-11-19 05:27:32,669 INFO L125 PetriNetUnfolderBase]: For 4842/11382 co-relation queries the response was YES. [2024-11-19 05:27:32,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33778 conditions, 21809 events. 6096/21809 cut-off events. For 4842/11382 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 243841 event pairs, 5210 based on Foata normal form. 0/19055 useless extension candidates. Maximal degree in co-relation 28671. Up to 8524 conditions per place. [2024-11-19 05:27:32,788 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 28 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-11-19 05:27:32,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 217 transitions, 550 flow [2024-11-19 05:27:32,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:32,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2024-11-19 05:27:32,790 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8388683886838868 [2024-11-19 05:27:32,790 INFO L175 Difference]: Start difference. First operand has 237 places, 220 transitions, 496 flow. Second operand 3 states and 682 transitions. [2024-11-19 05:27:32,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 217 transitions, 550 flow [2024-11-19 05:27:32,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 550 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:32,796 INFO L231 Difference]: Finished difference. Result has 221 places, 217 transitions, 498 flow [2024-11-19 05:27:32,797 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=221, PETRI_TRANSITIONS=217} [2024-11-19 05:27:32,797 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -37 predicate places. [2024-11-19 05:27:32,797 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 217 transitions, 498 flow [2024-11-19 05:27:32,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:32,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:32,798 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:32,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:27:32,798 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:32,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:32,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1787574046, now seen corresponding path program 1 times [2024-11-19 05:27:32,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:32,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422643523] [2024-11-19 05:27:32,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:32,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:32,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:32,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422643523] [2024-11-19 05:27:32,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422643523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:32,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:32,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:32,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743948596] [2024-11-19 05:27:32,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:32,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:32,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:32,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:32,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:32,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2024-11-19 05:27:32,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 217 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:32,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:32,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2024-11-19 05:27:32,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:34,816 INFO L124 PetriNetUnfolderBase]: 4656/18252 cut-off events. [2024-11-19 05:27:34,817 INFO L125 PetriNetUnfolderBase]: For 4846/12994 co-relation queries the response was YES. [2024-11-19 05:27:34,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27758 conditions, 18252 events. 4656/18252 cut-off events. For 4846/12994 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 205825 event pairs, 3782 based on Foata normal form. 0/15259 useless extension candidates. Maximal degree in co-relation 24022. Up to 6578 conditions per place. [2024-11-19 05:27:34,910 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 28 selfloop transitions, 2 changer transitions 2/216 dead transitions. [2024-11-19 05:27:34,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 216 transitions, 556 flow [2024-11-19 05:27:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2024-11-19 05:27:34,912 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2024-11-19 05:27:34,912 INFO L175 Difference]: Start difference. First operand has 221 places, 217 transitions, 498 flow. Second operand 3 states and 685 transitions. [2024-11-19 05:27:34,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 216 transitions, 556 flow [2024-11-19 05:27:34,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 216 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:34,920 INFO L231 Difference]: Finished difference. Result has 222 places, 214 transitions, 496 flow [2024-11-19 05:27:34,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=222, PETRI_TRANSITIONS=214} [2024-11-19 05:27:34,921 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -36 predicate places. [2024-11-19 05:27:34,921 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 214 transitions, 496 flow [2024-11-19 05:27:34,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:34,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:34,922 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] [2024-11-19 05:27:34,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:27:34,922 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:34,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:34,923 INFO L85 PathProgramCache]: Analyzing trace with hash 627458894, now seen corresponding path program 1 times [2024-11-19 05:27:34,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:34,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22365754] [2024-11-19 05:27:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:34,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:34,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22365754] [2024-11-19 05:27:34,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22365754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:34,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:34,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:34,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836395377] [2024-11-19 05:27:34,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:34,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:34,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:34,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:34,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:34,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-19 05:27:34,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 214 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:34,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:34,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-19 05:27:34,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:36,688 INFO L124 PetriNetUnfolderBase]: 2546/15313 cut-off events. [2024-11-19 05:27:36,689 INFO L125 PetriNetUnfolderBase]: For 5208/27084 co-relation queries the response was YES. [2024-11-19 05:27:36,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20987 conditions, 15313 events. 2546/15313 cut-off events. For 5208/27084 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 181829 event pairs, 1706 based on Foata normal form. 0/12925 useless extension candidates. Maximal degree in co-relation 19194. Up to 1670 conditions per place. [2024-11-19 05:27:36,811 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 41 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2024-11-19 05:27:36,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 233 transitions, 658 flow [2024-11-19 05:27:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2024-11-19 05:27:36,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8868388683886839 [2024-11-19 05:27:36,813 INFO L175 Difference]: Start difference. First operand has 222 places, 214 transitions, 496 flow. Second operand 3 states and 721 transitions. [2024-11-19 05:27:36,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 233 transitions, 658 flow [2024-11-19 05:27:36,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 233 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:36,819 INFO L231 Difference]: Finished difference. Result has 219 places, 213 transitions, 492 flow [2024-11-19 05:27:36,819 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=219, PETRI_TRANSITIONS=213} [2024-11-19 05:27:36,820 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -39 predicate places. [2024-11-19 05:27:36,820 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 213 transitions, 492 flow [2024-11-19 05:27:36,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:36,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:36,821 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] [2024-11-19 05:27:36,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:27:36,821 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:36,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:36,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1228595402, now seen corresponding path program 1 times [2024-11-19 05:27:36,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:36,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120996313] [2024-11-19 05:27:36,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:36,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:36,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120996313] [2024-11-19 05:27:36,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120996313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:36,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:36,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:36,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119688454] [2024-11-19 05:27:36,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:36,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:36,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:36,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:36,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:36,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2024-11-19 05:27:36,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 213 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:36,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:36,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2024-11-19 05:27:36,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:39,053 INFO L124 PetriNetUnfolderBase]: 5342/19618 cut-off events. [2024-11-19 05:27:39,054 INFO L125 PetriNetUnfolderBase]: For 4850/13050 co-relation queries the response was YES. [2024-11-19 05:27:39,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30270 conditions, 19618 events. 5342/19618 cut-off events. For 4850/13050 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 222454 event pairs, 4482 based on Foata normal form. 0/16493 useless extension candidates. Maximal degree in co-relation 25847. Up to 7458 conditions per place. [2024-11-19 05:27:39,151 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 29 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-19 05:27:39,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 212 transitions, 552 flow [2024-11-19 05:27:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:39,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2024-11-19 05:27:39,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2024-11-19 05:27:39,157 INFO L175 Difference]: Start difference. First operand has 219 places, 213 transitions, 492 flow. Second operand 3 states and 685 transitions. [2024-11-19 05:27:39,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 212 transitions, 552 flow [2024-11-19 05:27:39,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 212 transitions, 551 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:39,162 INFO L231 Difference]: Finished difference. Result has 219 places, 212 transitions, 493 flow [2024-11-19 05:27:39,162 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=219, PETRI_TRANSITIONS=212} [2024-11-19 05:27:39,163 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -39 predicate places. [2024-11-19 05:27:39,163 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 212 transitions, 493 flow [2024-11-19 05:27:39,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:39,163 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:39,163 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:39,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:27:39,164 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:39,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:39,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2128781184, now seen corresponding path program 1 times [2024-11-19 05:27:39,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:39,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943512970] [2024-11-19 05:27:39,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:39,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:39,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:39,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943512970] [2024-11-19 05:27:39,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943512970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:39,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:39,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:27:39,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583629005] [2024-11-19 05:27:39,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:39,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:39,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:39,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:39,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:39,195 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 271 [2024-11-19 05:27:39,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 212 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:39,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:39,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 271 [2024-11-19 05:27:39,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:41,376 INFO L124 PetriNetUnfolderBase]: 3752/18416 cut-off events. [2024-11-19 05:27:41,376 INFO L125 PetriNetUnfolderBase]: For 5208/27084 co-relation queries the response was YES. [2024-11-19 05:27:41,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26174 conditions, 18416 events. 3752/18416 cut-off events. For 5208/27084 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 218331 event pairs, 2730 based on Foata normal form. 2/15381 useless extension candidates. Maximal degree in co-relation 23379. Up to 5036 conditions per place. [2024-11-19 05:27:41,491 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 27 selfloop transitions, 0 changer transitions 1/211 dead transitions. [2024-11-19 05:27:41,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 211 transitions, 544 flow [2024-11-19 05:27:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:41,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-19 05:27:41,492 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8437884378843789 [2024-11-19 05:27:41,493 INFO L175 Difference]: Start difference. First operand has 219 places, 212 transitions, 493 flow. Second operand 3 states and 686 transitions. [2024-11-19 05:27:41,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 211 transitions, 544 flow [2024-11-19 05:27:41,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 211 transitions, 536 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-19 05:27:41,498 INFO L231 Difference]: Finished difference. Result has 218 places, 210 transitions, 480 flow [2024-11-19 05:27:41,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=218, PETRI_TRANSITIONS=210} [2024-11-19 05:27:41,499 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -40 predicate places. [2024-11-19 05:27:41,499 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 210 transitions, 480 flow [2024-11-19 05:27:41,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:41,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:41,499 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:41,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:27:41,500 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:41,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:41,500 INFO L85 PathProgramCache]: Analyzing trace with hash 398740360, now seen corresponding path program 1 times [2024-11-19 05:27:41,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:41,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962114282] [2024-11-19 05:27:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:41,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:41,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:41,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962114282] [2024-11-19 05:27:41,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962114282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:41,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:41,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:41,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050725042] [2024-11-19 05:27:41,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:41,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:41,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:41,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:41,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 271 [2024-11-19 05:27:41,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 210 transitions, 480 flow. Second operand has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:41,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:41,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 271 [2024-11-19 05:27:41,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:48,379 INFO L124 PetriNetUnfolderBase]: 20988/66280 cut-off events. [2024-11-19 05:27:48,379 INFO L125 PetriNetUnfolderBase]: For 3106/3170 co-relation queries the response was YES. [2024-11-19 05:27:48,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105023 conditions, 66280 events. 20988/66280 cut-off events. For 3106/3170 co-relation queries the response was YES. Maximal size of possible extension queue 1408. Compared 834730 event pairs, 9754 based on Foata normal form. 0/59947 useless extension candidates. Maximal degree in co-relation 105014. Up to 29941 conditions per place. [2024-11-19 05:27:48,860 INFO L140 encePairwiseOnDemand]: 264/271 looper letters, 64 selfloop transitions, 5 changer transitions 3/225 dead transitions. [2024-11-19 05:27:48,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 225 transitions, 650 flow [2024-11-19 05:27:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1235 transitions. [2024-11-19 05:27:48,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7595325953259533 [2024-11-19 05:27:48,863 INFO L175 Difference]: Start difference. First operand has 218 places, 210 transitions, 480 flow. Second operand 6 states and 1235 transitions. [2024-11-19 05:27:48,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 225 transitions, 650 flow [2024-11-19 05:27:48,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 225 transitions, 648 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:48,873 INFO L231 Difference]: Finished difference. Result has 220 places, 206 transitions, 480 flow [2024-11-19 05:27:48,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=480, PETRI_PLACES=220, PETRI_TRANSITIONS=206} [2024-11-19 05:27:48,873 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -38 predicate places. [2024-11-19 05:27:48,873 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 206 transitions, 480 flow [2024-11-19 05:27:48,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:48,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:48,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:48,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 05:27:48,874 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:48,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:48,875 INFO L85 PathProgramCache]: Analyzing trace with hash 525668685, now seen corresponding path program 1 times [2024-11-19 05:27:48,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:48,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636962906] [2024-11-19 05:27:48,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:48,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:48,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:48,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636962906] [2024-11-19 05:27:48,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636962906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:48,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:48,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 05:27:48,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160435570] [2024-11-19 05:27:48,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:48,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 05:27:48,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:48,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 05:27:48,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 05:27:49,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 271 [2024-11-19 05:27:49,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 206 transitions, 480 flow. Second operand has 4 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:49,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:49,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 271 [2024-11-19 05:27:49,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:51,998 INFO L124 PetriNetUnfolderBase]: 7222/26805 cut-off events. [2024-11-19 05:27:51,998 INFO L125 PetriNetUnfolderBase]: For 4071/8897 co-relation queries the response was YES. [2024-11-19 05:27:52,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40888 conditions, 26805 events. 7222/26805 cut-off events. For 4071/8897 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 315689 event pairs, 5043 based on Foata normal form. 137/23507 useless extension candidates. Maximal degree in co-relation 40879. Up to 5892 conditions per place. [2024-11-19 05:27:52,137 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 77 selfloop transitions, 11 changer transitions 0/259 dead transitions. [2024-11-19 05:27:52,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 259 transitions, 826 flow [2024-11-19 05:27:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 05:27:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 05:27:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 946 transitions. [2024-11-19 05:27:52,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8726937269372693 [2024-11-19 05:27:52,140 INFO L175 Difference]: Start difference. First operand has 220 places, 206 transitions, 480 flow. Second operand 4 states and 946 transitions. [2024-11-19 05:27:52,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 259 transitions, 826 flow [2024-11-19 05:27:52,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 259 transitions, 816 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:52,150 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 552 flow [2024-11-19 05:27:52,150 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=552, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2024-11-19 05:27:52,151 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -41 predicate places. [2024-11-19 05:27:52,151 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 552 flow [2024-11-19 05:27:52,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:52,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:52,152 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:52,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 05:27:52,152 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:52,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:52,153 INFO L85 PathProgramCache]: Analyzing trace with hash -129687532, now seen corresponding path program 1 times [2024-11-19 05:27:52,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:52,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58296985] [2024-11-19 05:27:52,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:52,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:52,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:52,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58296985] [2024-11-19 05:27:52,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58296985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:27:52,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954657939] [2024-11-19 05:27:52,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:52,262 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) [2024-11-19 05:27:52,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:27:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:52,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 05:27:52,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:27:52,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:52,526 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:27:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:52,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954657939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:27:52,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:27:52,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-19 05:27:52,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238664810] [2024-11-19 05:27:52,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:27:52,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:27:52,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:52,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:27:52,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:27:53,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 271 [2024-11-19 05:27:53,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 552 flow. Second operand has 13 states, 13 states have (on average 212.15384615384616) internal successors, (2758), 13 states have internal predecessors, (2758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:53,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:53,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 271 [2024-11-19 05:27:53,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:55,015 INFO L124 PetriNetUnfolderBase]: 4735/17470 cut-off events. [2024-11-19 05:27:55,015 INFO L125 PetriNetUnfolderBase]: For 3406/3950 co-relation queries the response was YES. [2024-11-19 05:27:55,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28045 conditions, 17470 events. 4735/17470 cut-off events. For 3406/3950 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 185214 event pairs, 2101 based on Foata normal form. 12/15416 useless extension candidates. Maximal degree in co-relation 28034. Up to 5348 conditions per place. [2024-11-19 05:27:55,185 INFO L140 encePairwiseOnDemand]: 261/271 looper letters, 68 selfloop transitions, 13 changer transitions 0/248 dead transitions. [2024-11-19 05:27:55,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 248 transitions, 762 flow [2024-11-19 05:27:55,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 05:27:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 05:27:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2393 transitions. [2024-11-19 05:27:55,191 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.802750754780275 [2024-11-19 05:27:55,191 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 552 flow. Second operand 11 states and 2393 transitions. [2024-11-19 05:27:55,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 248 transitions, 762 flow [2024-11-19 05:27:55,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 248 transitions, 744 flow, removed 8 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:55,202 INFO L231 Difference]: Finished difference. Result has 229 places, 214 transitions, 551 flow [2024-11-19 05:27:55,203 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=551, PETRI_PLACES=229, PETRI_TRANSITIONS=214} [2024-11-19 05:27:55,203 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -29 predicate places. [2024-11-19 05:27:55,203 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 214 transitions, 551 flow [2024-11-19 05:27:55,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 212.15384615384616) internal successors, (2758), 13 states have internal predecessors, (2758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:55,205 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:55,205 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] [2024-11-19 05:27:55,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 05:27:55,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-19 05:27:55,408 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:55,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:55,408 INFO L85 PathProgramCache]: Analyzing trace with hash -237320425, now seen corresponding path program 1 times [2024-11-19 05:27:55,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:55,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508497917] [2024-11-19 05:27:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:55,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:55,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:55,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508497917] [2024-11-19 05:27:55,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508497917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:55,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:55,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:55,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324797004] [2024-11-19 05:27:55,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:55,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:55,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:55,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:55,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:55,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 271 [2024-11-19 05:27:55,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 214 transitions, 551 flow. Second operand has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:55,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:55,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 271 [2024-11-19 05:27:55,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:58,304 INFO L124 PetriNetUnfolderBase]: 11802/27297 cut-off events. [2024-11-19 05:27:58,304 INFO L125 PetriNetUnfolderBase]: For 1771/1771 co-relation queries the response was YES. [2024-11-19 05:27:58,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46243 conditions, 27297 events. 11802/27297 cut-off events. For 1771/1771 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 248745 event pairs, 5149 based on Foata normal form. 0/25591 useless extension candidates. Maximal degree in co-relation 46230. Up to 14184 conditions per place. [2024-11-19 05:27:58,691 INFO L140 encePairwiseOnDemand]: 264/271 looper letters, 83 selfloop transitions, 6 changer transitions 0/245 dead transitions. [2024-11-19 05:27:58,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 245 transitions, 791 flow [2024-11-19 05:27:58,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:58,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2024-11-19 05:27:58,694 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7693726937269373 [2024-11-19 05:27:58,694 INFO L175 Difference]: Start difference. First operand has 229 places, 214 transitions, 551 flow. Second operand 6 states and 1251 transitions. [2024-11-19 05:27:58,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 245 transitions, 791 flow [2024-11-19 05:27:58,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 245 transitions, 781 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:58,702 INFO L231 Difference]: Finished difference. Result has 231 places, 213 transitions, 551 flow [2024-11-19 05:27:58,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=551, PETRI_PLACES=231, PETRI_TRANSITIONS=213} [2024-11-19 05:27:58,703 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -27 predicate places. [2024-11-19 05:27:58,703 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 213 transitions, 551 flow [2024-11-19 05:27:58,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:58,703 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:58,704 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] [2024-11-19 05:27:58,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 05:27:58,704 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:27:58,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:58,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1969723891, now seen corresponding path program 1 times [2024-11-19 05:27:58,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:58,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122012478] [2024-11-19 05:27:58,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:58,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:58,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:58,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122012478] [2024-11-19 05:27:58,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122012478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:58,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:58,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:58,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50206873] [2024-11-19 05:27:58,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:58,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 05:27:58,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:58,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 05:27:58,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 05:27:58,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 271 [2024-11-19 05:27:58,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 213 transitions, 551 flow. Second operand has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:58,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:58,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 271 [2024-11-19 05:27:58,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:28:01,665 INFO L124 PetriNetUnfolderBase]: 6048/25635 cut-off events. [2024-11-19 05:28:01,665 INFO L125 PetriNetUnfolderBase]: For 4071/4943 co-relation queries the response was YES. [2024-11-19 05:28:01,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38766 conditions, 25635 events. 6048/25635 cut-off events. For 4071/4943 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 304558 event pairs, 2142 based on Foata normal form. 16/22605 useless extension candidates. Maximal degree in co-relation 38752. Up to 3393 conditions per place. [2024-11-19 05:28:02,050 INFO L140 encePairwiseOnDemand]: 259/271 looper letters, 88 selfloop transitions, 17 changer transitions 0/277 dead transitions. [2024-11-19 05:28:02,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 277 transitions, 965 flow [2024-11-19 05:28:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 05:28:02,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 05:28:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1161 transitions. [2024-11-19 05:28:02,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8568265682656827 [2024-11-19 05:28:02,053 INFO L175 Difference]: Start difference. First operand has 231 places, 213 transitions, 551 flow. Second operand 5 states and 1161 transitions. [2024-11-19 05:28:02,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 277 transitions, 965 flow [2024-11-19 05:28:02,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 277 transitions, 953 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:28:02,066 INFO L231 Difference]: Finished difference. Result has 234 places, 227 transitions, 677 flow [2024-11-19 05:28:02,066 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=677, PETRI_PLACES=234, PETRI_TRANSITIONS=227} [2024-11-19 05:28:02,067 INFO L277 CegarLoopForPetriNet]: 258 programPoint places, -24 predicate places. [2024-11-19 05:28:02,067 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 227 transitions, 677 flow [2024-11-19 05:28:02,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:28:02,067 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:28:02,068 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] [2024-11-19 05:28:02,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 05:28:02,068 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-19 05:28:02,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:28:02,068 INFO L85 PathProgramCache]: Analyzing trace with hash -830215144, now seen corresponding path program 1 times [2024-11-19 05:28:02,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:28:02,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868271192] [2024-11-19 05:28:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:28:02,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:28:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:28:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:28:02,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:28:02,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868271192] [2024-11-19 05:28:02,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868271192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:28:02,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:28:02,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:28:02,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662320646] [2024-11-19 05:28:02,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:28:02,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 05:28:02,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:28:02,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 05:28:02,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 05:28:02,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 271 [2024-11-19 05:28:02,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 227 transitions, 677 flow. Second operand has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:28:02,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:28:02,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 271 [2024-11-19 05:28:02,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand