./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fk2012.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fk2012.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 25a65bfeb78eff83ae0d8a23f733f9dc95190d8c8aa20c7c495d09a2bd7eb6f0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:44:50,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:44:50,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:44:50,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:44:50,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:44:50,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:44:50,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:44:50,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:44:50,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:44:50,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:44:50,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:44:50,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:44:50,279 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:44:50,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:44:50,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:44:50,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:44:50,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:44:50,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:44:50,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:44:50,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:44:50,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:44:50,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:44:50,285 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:44:50,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:44:50,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:44:50,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:44:50,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:44:50,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:44:50,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:44:50,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:44:50,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:44:50,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:44:50,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:44:50,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:44:50,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:44:50,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:44:50,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:44:50,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:44:50,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:44:50,288 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:44:50,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:44:50,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25a65bfeb78eff83ae0d8a23f733f9dc95190d8c8aa20c7c495d09a2bd7eb6f0 [2024-10-13 09:44:50,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:44:50,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:44:50,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:44:50,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:44:50,535 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:44:50,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fk2012.i [2024-10-13 09:44:51,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:44:52,042 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:44:52,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fk2012.i [2024-10-13 09:44:52,060 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9336b2c53/232aed8f8b954c6f92ad7a6edbc2dcf6/FLAG627b8e979 [2024-10-13 09:44:52,073 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9336b2c53/232aed8f8b954c6f92ad7a6edbc2dcf6 [2024-10-13 09:44:52,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:44:52,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:44:52,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:44:52,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:44:52,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:44:52,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4970ee97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52, skipping insertion in model container [2024-10-13 09:44:52,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:44:52,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:44:52,437 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:44:52,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:44:52,566 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:44:52,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52 WrapperNode [2024-10-13 09:44:52,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:44:52,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:44:52,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:44:52,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:44:52,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,615 INFO L138 Inliner]: procedures = 276, calls = 31, calls flagged for inlining = 17, calls inlined = 22, statements flattened = 253 [2024-10-13 09:44:52,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:44:52,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:44:52,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:44:52,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:44:52,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:44:52,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:44:52,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:44:52,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:44:52,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (1/1) ... [2024-10-13 09:44:52,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:44:52,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:44:52,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:44:52,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:44:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure producer [2024-10-13 09:44:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure producer [2024-10-13 09:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure consumer [2024-10-13 09:44:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer [2024-10-13 09:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:44:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:44:52,714 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:44:52,819 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:44:52,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:44:53,087 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:44:53,087 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:44:53,212 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:44:53,213 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-13 09:44:53,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:44:53 BoogieIcfgContainer [2024-10-13 09:44:53,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:44:53,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:44:53,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:44:53,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:44:53,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:44:52" (1/3) ... [2024-10-13 09:44:53,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f76142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:44:53, skipping insertion in model container [2024-10-13 09:44:53,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:44:52" (2/3) ... [2024-10-13 09:44:53,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f76142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:44:53, skipping insertion in model container [2024-10-13 09:44:53,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:44:53" (3/3) ... [2024-10-13 09:44:53,220 INFO L112 eAbstractionObserver]: Analyzing ICFG fk2012.i [2024-10-13 09:44:53,232 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:44:53,232 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-10-13 09:44:53,232 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:44:53,288 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 09:44:53,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 192 transitions, 392 flow [2024-10-13 09:44:53,420 INFO L124 PetriNetUnfolderBase]: 21/391 cut-off events. [2024-10-13 09:44:53,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:44:53,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 391 events. 21/391 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1626 event pairs, 1 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 180. Up to 8 conditions per place. [2024-10-13 09:44:53,436 INFO L82 GeneralOperation]: Start removeDead. Operand has 188 places, 192 transitions, 392 flow [2024-10-13 09:44:53,443 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 192 transitions, 392 flow [2024-10-13 09:44:53,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:44:53,459 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;@638e896c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:44:53,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2024-10-13 09:44:53,463 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:44:53,464 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-13 09:44:53,465 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:44:53,465 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:53,465 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:44:53,466 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-10-13 09:44:53,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:53,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1501646804, now seen corresponding path program 1 times [2024-10-13 09:44:53,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:53,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347551382] [2024-10-13 09:44:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:53,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:44:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:44:53,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:44:53,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347551382] [2024-10-13 09:44:53,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347551382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:44:53,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:44:53,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:44:53,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250782323] [2024-10-13 09:44:53,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:44:53,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:44:53,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:44:53,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:44:53,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:44:53,737 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 192 [2024-10-13 09:44:53,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 192 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:53,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:44:53,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 192 [2024-10-13 09:44:53,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:44:53,950 INFO L124 PetriNetUnfolderBase]: 239/1588 cut-off events. [2024-10-13 09:44:53,950 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-10-13 09:44:53,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2107 conditions, 1588 events. 239/1588 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 13119 event pairs, 203 based on Foata normal form. 252/1639 useless extension candidates. Maximal degree in co-relation 1046. Up to 466 conditions per place. [2024-10-13 09:44:53,964 INFO L140 encePairwiseOnDemand]: 164/192 looper letters, 25 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2024-10-13 09:44:53,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 382 flow [2024-10-13 09:44:53,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:44:53,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:44:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 464 transitions. [2024-10-13 09:44:53,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2024-10-13 09:44:53,979 INFO L175 Difference]: Start difference. First operand has 188 places, 192 transitions, 392 flow. Second operand 3 states and 464 transitions. [2024-10-13 09:44:53,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 382 flow [2024-10-13 09:44:53,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 160 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:44:53,986 INFO L231 Difference]: Finished difference. Result has 164 places, 160 transitions, 332 flow [2024-10-13 09:44:53,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=164, PETRI_TRANSITIONS=160} [2024-10-13 09:44:53,992 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -24 predicate places. [2024-10-13 09:44:53,992 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 160 transitions, 332 flow [2024-10-13 09:44:53,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:53,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:53,993 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] [2024-10-13 09:44:53,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:44:53,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-10-13 09:44:53,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:53,994 INFO L85 PathProgramCache]: Analyzing trace with hash -815852009, now seen corresponding path program 1 times [2024-10-13 09:44:53,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:53,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500997914] [2024-10-13 09:44:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:53,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:44:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:44:54,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:44:54,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500997914] [2024-10-13 09:44:54,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500997914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:44:54,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:44:54,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:44:54,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040565819] [2024-10-13 09:44:54,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:44:54,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:44:54,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:44:54,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:44:54,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:44:54,061 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 192 [2024-10-13 09:44:54,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 160 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:54,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:44:54,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 192 [2024-10-13 09:44:54,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:44:54,183 INFO L124 PetriNetUnfolderBase]: 67/895 cut-off events. [2024-10-13 09:44:54,183 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 09:44:54,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 895 events. 67/895 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5923 event pairs, 46 based on Foata normal form. 0/771 useless extension candidates. Maximal degree in co-relation 1027. Up to 123 conditions per place. [2024-10-13 09:44:54,189 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 14 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-10-13 09:44:54,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 159 transitions, 362 flow [2024-10-13 09:44:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:44:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:44:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 461 transitions. [2024-10-13 09:44:54,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8003472222222222 [2024-10-13 09:44:54,193 INFO L175 Difference]: Start difference. First operand has 164 places, 160 transitions, 332 flow. Second operand 3 states and 461 transitions. [2024-10-13 09:44:54,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 159 transitions, 362 flow [2024-10-13 09:44:54,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 159 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:44:54,198 INFO L231 Difference]: Finished difference. Result has 163 places, 159 transitions, 330 flow [2024-10-13 09:44:54,198 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=159} [2024-10-13 09:44:54,199 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -25 predicate places. [2024-10-13 09:44:54,199 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 159 transitions, 330 flow [2024-10-13 09:44:54,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:54,199 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:54,200 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] [2024-10-13 09:44:54,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:44:54,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-10-13 09:44:54,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash -941332488, now seen corresponding path program 1 times [2024-10-13 09:44:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:54,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514855118] [2024-10-13 09:44:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:54,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:44:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:44:54,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:44:54,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514855118] [2024-10-13 09:44:54,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514855118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:44:54,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:44:54,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:44:54,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890104325] [2024-10-13 09:44:54,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:44:54,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:44:54,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:44:54,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:44:54,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:44:54,260 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 192 [2024-10-13 09:44:54,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 159 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:54,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:44:54,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 192 [2024-10-13 09:44:54,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:44:54,365 INFO L124 PetriNetUnfolderBase]: 67/894 cut-off events. [2024-10-13 09:44:54,366 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 09:44:54,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 894 events. 67/894 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5917 event pairs, 46 based on Foata normal form. 0/771 useless extension candidates. Maximal degree in co-relation 1021. Up to 123 conditions per place. [2024-10-13 09:44:54,376 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 14 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2024-10-13 09:44:54,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 158 transitions, 360 flow [2024-10-13 09:44:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:44:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:44:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 461 transitions. [2024-10-13 09:44:54,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8003472222222222 [2024-10-13 09:44:54,378 INFO L175 Difference]: Start difference. First operand has 163 places, 159 transitions, 330 flow. Second operand 3 states and 461 transitions. [2024-10-13 09:44:54,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 158 transitions, 360 flow [2024-10-13 09:44:54,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:44:54,383 INFO L231 Difference]: Finished difference. Result has 162 places, 158 transitions, 328 flow [2024-10-13 09:44:54,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=162, PETRI_TRANSITIONS=158} [2024-10-13 09:44:54,384 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -26 predicate places. [2024-10-13 09:44:54,384 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 158 transitions, 328 flow [2024-10-13 09:44:54,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:54,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:54,384 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] [2024-10-13 09:44:54,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:44:54,385 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting consumerErr2ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-10-13 09:44:54,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:54,385 INFO L85 PathProgramCache]: Analyzing trace with hash 9341586, now seen corresponding path program 1 times [2024-10-13 09:44:54,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:54,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570917216] [2024-10-13 09:44:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:54,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:44:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:44:54,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:44:54,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570917216] [2024-10-13 09:44:54,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570917216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:44:54,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:44:54,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:44:54,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255411855] [2024-10-13 09:44:54,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:44:54,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:44:54,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:44:54,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:44:54,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:44:54,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 192 [2024-10-13 09:44:54,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 158 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:54,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:44:54,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 192 [2024-10-13 09:44:54,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:44:54,762 INFO L124 PetriNetUnfolderBase]: 543/2935 cut-off events. [2024-10-13 09:44:54,762 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-13 09:44:54,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4162 conditions, 2935 events. 543/2935 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 27734 event pairs, 184 based on Foata normal form. 0/2643 useless extension candidates. Maximal degree in co-relation 4127. Up to 853 conditions per place. [2024-10-13 09:44:54,776 INFO L140 encePairwiseOnDemand]: 167/192 looper letters, 48 selfloop transitions, 18 changer transitions 0/187 dead transitions. [2024-10-13 09:44:54,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 187 transitions, 524 flow [2024-10-13 09:44:54,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:44:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:44:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 460 transitions. [2024-10-13 09:44:54,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7986111111111112 [2024-10-13 09:44:54,778 INFO L175 Difference]: Start difference. First operand has 162 places, 158 transitions, 328 flow. Second operand 3 states and 460 transitions. [2024-10-13 09:44:54,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 187 transitions, 524 flow [2024-10-13 09:44:54,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 187 transitions, 520 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:44:54,781 INFO L231 Difference]: Finished difference. Result has 164 places, 176 transitions, 482 flow [2024-10-13 09:44:54,781 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=164, PETRI_TRANSITIONS=176} [2024-10-13 09:44:54,782 INFO L277 CegarLoopForPetriNet]: 188 programPoint places, -24 predicate places. [2024-10-13 09:44:54,782 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 176 transitions, 482 flow [2024-10-13 09:44:54,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:54,783 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:54,783 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-10-13 09:44:54,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:44:54,783 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-10-13 09:44:54,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:54,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1923783623, now seen corresponding path program 1 times [2024-10-13 09:44:54,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:54,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131526087] [2024-10-13 09:44:54,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 09:44:54,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 09:44:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 09:44:54,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 09:44:54,825 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 09:44:54,825 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 63 remaining) [2024-10-13 09:44:54,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr0ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2024-10-13 09:44:54,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr1ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2024-10-13 09:44:54,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr2ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2024-10-13 09:44:54,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr3ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2024-10-13 09:44:54,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr4ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2024-10-13 09:44:54,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr5ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2024-10-13 09:44:54,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr11ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2024-10-13 09:44:54,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr12ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2024-10-13 09:44:54,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr6ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2024-10-13 09:44:54,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr13ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2024-10-13 09:44:54,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr7ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2024-10-13 09:44:54,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr8ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2024-10-13 09:44:54,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr14ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2024-10-13 09:44:54,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr16ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2024-10-13 09:44:54,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr9ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2024-10-13 09:44:54,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr10ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2024-10-13 09:44:54,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr17ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr18ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr15ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr0ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr1ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2024-10-13 09:44:54,830 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr5ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2024-10-13 09:44:54,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr2ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2024-10-13 09:44:54,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr6ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2024-10-13 09:44:54,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr3ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2024-10-13 09:44:54,831 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr4ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2024-10-13 09:44:54,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr7ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2024-10-13 09:44:54,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr8ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2024-10-13 09:44:54,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr9ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2024-10-13 09:44:54,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr0ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2024-10-13 09:44:54,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr1ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2024-10-13 09:44:54,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr2ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2024-10-13 09:44:54,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr3ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2024-10-13 09:44:54,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr4ASSERT_VIOLATIONDATA_RACE (24 of 63 remaining) [2024-10-13 09:44:54,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr5ASSERT_VIOLATIONDATA_RACE (23 of 63 remaining) [2024-10-13 09:44:54,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr11ASSERT_VIOLATIONDATA_RACE (22 of 63 remaining) [2024-10-13 09:44:54,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr12ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2024-10-13 09:44:54,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr6ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2024-10-13 09:44:54,833 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr13ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr7ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr8ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr14ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr16ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr9ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr10ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr17ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr18ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2024-10-13 09:44:54,834 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location producerErr15ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2024-10-13 09:44:54,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr0ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2024-10-13 09:44:54,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr1ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2024-10-13 09:44:54,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr5ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2024-10-13 09:44:54,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr2ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2024-10-13 09:44:54,835 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr6ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2024-10-13 09:44:54,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2024-10-13 09:44:54,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2024-10-13 09:44:54,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr7ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2024-10-13 09:44:54,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr8ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2024-10-13 09:44:54,839 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location consumerErr9ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2024-10-13 09:44:54,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:44:54,839 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 09:44:54,843 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-13 09:44:54,843 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-13 09:44:54,883 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 09:44:54,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 328 transitions, 676 flow [2024-10-13 09:44:55,039 INFO L124 PetriNetUnfolderBase]: 61/1048 cut-off events. [2024-10-13 09:44:55,040 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-13 09:44:55,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 1048 events. 61/1048 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6813 event pairs, 4 based on Foata normal form. 0/796 useless extension candidates. Maximal degree in co-relation 667. Up to 18 conditions per place. [2024-10-13 09:44:55,052 INFO L82 GeneralOperation]: Start removeDead. Operand has 320 places, 328 transitions, 676 flow [2024-10-13 09:44:55,067 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 328 transitions, 676 flow [2024-10-13 09:44:55,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:44:55,072 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;@638e896c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:44:55,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2024-10-13 09:44:55,074 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:44:55,074 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-13 09:44:55,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:44:55,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:55,074 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:44:55,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2024-10-13 09:44:55,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:55,074 INFO L85 PathProgramCache]: Analyzing trace with hash 835950548, now seen corresponding path program 1 times [2024-10-13 09:44:55,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:55,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333098537] [2024-10-13 09:44:55,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:55,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:44:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:44:55,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:44:55,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333098537] [2024-10-13 09:44:55,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333098537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:44:55,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:44:55,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:44:55,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285115931] [2024-10-13 09:44:55,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:44:55,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:44:55,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:44:55,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:44:55,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:44:55,215 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 328 [2024-10-13 09:44:55,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 328 transitions, 676 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:44:55,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:44:55,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 328 [2024-10-13 09:44:55,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:45:22,368 INFO L124 PetriNetUnfolderBase]: 85296/239917 cut-off events. [2024-10-13 09:45:22,368 INFO L125 PetriNetUnfolderBase]: For 8420/8420 co-relation queries the response was YES. [2024-10-13 09:45:24,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361642 conditions, 239917 events. 85296/239917 cut-off events. For 8420/8420 co-relation queries the response was YES. Maximal size of possible extension queue 6202. Compared 3750120 event pairs, 77240 based on Foata normal form. 46155/262378 useless extension candidates. Maximal degree in co-relation 167481. Up to 113020 conditions per place. [2024-10-13 09:45:26,093 INFO L140 encePairwiseOnDemand]: 277/328 looper letters, 47 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2024-10-13 09:45:26,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 271 transitions, 660 flow [2024-10-13 09:45:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:45:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:45:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 779 transitions. [2024-10-13 09:45:26,098 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2024-10-13 09:45:26,098 INFO L175 Difference]: Start difference. First operand has 320 places, 328 transitions, 676 flow. Second operand 3 states and 779 transitions. [2024-10-13 09:45:26,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 271 transitions, 660 flow [2024-10-13 09:45:26,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 271 transitions, 660 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:45:26,111 INFO L231 Difference]: Finished difference. Result has 276 places, 271 transitions, 566 flow [2024-10-13 09:45:26,111 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=566, PETRI_PLACES=276, PETRI_TRANSITIONS=271} [2024-10-13 09:45:26,112 INFO L277 CegarLoopForPetriNet]: 320 programPoint places, -44 predicate places. [2024-10-13 09:45:26,113 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 271 transitions, 566 flow [2024-10-13 09:45:26,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:45:26,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:45:26,114 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] [2024-10-13 09:45:26,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:45:26,114 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2024-10-13 09:45:26,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:45:26,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1239547231, now seen corresponding path program 1 times [2024-10-13 09:45:26,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:45:26,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307641263] [2024-10-13 09:45:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:45:26,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:45:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:45:26,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:45:26,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:45:26,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307641263] [2024-10-13 09:45:26,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307641263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:45:26,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:45:26,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:45:26,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339413222] [2024-10-13 09:45:26,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:45:26,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:45:26,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:45:26,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:45:26,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:45:26,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 328 [2024-10-13 09:45:26,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 271 transitions, 566 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:45:26,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:45:26,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 328 [2024-10-13 09:45:26,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:45:29,699 INFO L124 PetriNetUnfolderBase]: 6118/32078 cut-off events. [2024-10-13 09:45:29,699 INFO L125 PetriNetUnfolderBase]: For 1209/1209 co-relation queries the response was YES. [2024-10-13 09:45:29,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41299 conditions, 32078 events. 6118/32078 cut-off events. For 1209/1209 co-relation queries the response was YES. Maximal size of possible extension queue 925. Compared 457583 event pairs, 4882 based on Foata normal form. 0/27678 useless extension candidates. Maximal degree in co-relation 41272. Up to 7930 conditions per place. [2024-10-13 09:45:30,050 INFO L140 encePairwiseOnDemand]: 325/328 looper letters, 25 selfloop transitions, 2 changer transitions 0/270 dead transitions. [2024-10-13 09:45:30,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 270 transitions, 618 flow [2024-10-13 09:45:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:45:30,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:45:30,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2024-10-13 09:45:30,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7876016260162602 [2024-10-13 09:45:30,053 INFO L175 Difference]: Start difference. First operand has 276 places, 271 transitions, 566 flow. Second operand 3 states and 775 transitions. [2024-10-13 09:45:30,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 270 transitions, 618 flow [2024-10-13 09:45:30,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 270 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:45:30,058 INFO L231 Difference]: Finished difference. Result has 275 places, 270 transitions, 564 flow [2024-10-13 09:45:30,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=275, PETRI_TRANSITIONS=270} [2024-10-13 09:45:30,060 INFO L277 CegarLoopForPetriNet]: 320 programPoint places, -45 predicate places. [2024-10-13 09:45:30,060 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 270 transitions, 564 flow [2024-10-13 09:45:30,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:45:30,061 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:45:30,061 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] [2024-10-13 09:45:30,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:45:30,062 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2024-10-13 09:45:30,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:45:30,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1268710648, now seen corresponding path program 1 times [2024-10-13 09:45:30,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:45:30,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745296150] [2024-10-13 09:45:30,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:45:30,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:45:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:45:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:45:30,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:45:30,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745296150] [2024-10-13 09:45:30,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745296150] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:45:30,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:45:30,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:45:30,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976488141] [2024-10-13 09:45:30,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:45:30,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:45:30,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:45:30,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:45:30,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:45:30,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 328 [2024-10-13 09:45:30,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 270 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:45:30,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:45:30,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 328 [2024-10-13 09:45:30,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:45:33,792 INFO L124 PetriNetUnfolderBase]: 6118/32077 cut-off events. [2024-10-13 09:45:33,792 INFO L125 PetriNetUnfolderBase]: For 1209/1209 co-relation queries the response was YES. [2024-10-13 09:45:34,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41298 conditions, 32077 events. 6118/32077 cut-off events. For 1209/1209 co-relation queries the response was YES. Maximal size of possible extension queue 925. Compared 457829 event pairs, 4882 based on Foata normal form. 0/27678 useless extension candidates. Maximal degree in co-relation 41266. Up to 7930 conditions per place. [2024-10-13 09:45:34,364 INFO L140 encePairwiseOnDemand]: 325/328 looper letters, 25 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2024-10-13 09:45:34,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 269 transitions, 616 flow [2024-10-13 09:45:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:45:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:45:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2024-10-13 09:45:34,366 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7876016260162602 [2024-10-13 09:45:34,366 INFO L175 Difference]: Start difference. First operand has 275 places, 270 transitions, 564 flow. Second operand 3 states and 775 transitions. [2024-10-13 09:45:34,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 269 transitions, 616 flow [2024-10-13 09:45:34,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 269 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:45:34,371 INFO L231 Difference]: Finished difference. Result has 274 places, 269 transitions, 562 flow [2024-10-13 09:45:34,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=274, PETRI_TRANSITIONS=269} [2024-10-13 09:45:34,371 INFO L277 CegarLoopForPetriNet]: 320 programPoint places, -46 predicate places. [2024-10-13 09:45:34,371 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 269 transitions, 562 flow [2024-10-13 09:45:34,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:45:34,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:45:34,372 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] [2024-10-13 09:45:34,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:45:34,372 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting consumerErr2ASSERT_VIOLATIONDATA_RACE === [producerErr0ASSERT_VIOLATIONDATA_RACE, producerErr1ASSERT_VIOLATIONDATA_RACE, producerErr2ASSERT_VIOLATIONDATA_RACE, producerErr3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2024-10-13 09:45:34,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:45:34,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1712889969, now seen corresponding path program 1 times [2024-10-13 09:45:34,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:45:34,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277832373] [2024-10-13 09:45:34,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:45:34,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:45:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:45:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:45:34,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:45:34,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277832373] [2024-10-13 09:45:34,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277832373] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:45:34,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:45:34,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:45:34,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369778924] [2024-10-13 09:45:34,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:45:34,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:45:34,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:45:34,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:45:34,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:45:34,462 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 328 [2024-10-13 09:45:34,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 269 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:45:34,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:45:34,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 328 [2024-10-13 09:45:34,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand