./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/reorder_2.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_2.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 eaeb1d72262bd1e189945b98598b3acb68c08676109949c39074605b8c62cb69 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:27:12,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:27:12,770 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:27:12,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:27:12,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:27:12,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:27:12,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:27:12,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:27:12,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:27:12,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:27:12,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:27:12,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:27:12,797 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:27:12,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:27:12,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:27:12,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:27:12,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:27:12,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:27:12,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:27:12,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:27:12,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:27:12,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:27:12,801 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:27:12,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:27:12,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:27:12,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:27:12,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:27:12,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:27:12,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:27:12,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:27:12,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:27:12,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:27:12,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:27:12,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:27:12,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:27:12,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:27:12,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:27:12,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:27:12,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:27:12,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:27:12,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:27:12,806 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaeb1d72262bd1e189945b98598b3acb68c08676109949c39074605b8c62cb69 [2024-11-19 05:27:13,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:27:13,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:27:13,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:27:13,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:27:13,034 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:27:13,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/reorder_2.i [2024-11-19 05:27:14,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:27:14,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:27:14,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/reorder_2.i [2024-11-19 05:27:14,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96f935d9/9007b9517e5a4b59b603dba415dfee94/FLAGe8e71e8b6 [2024-11-19 05:27:14,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96f935d9/9007b9517e5a4b59b603dba415dfee94 [2024-11-19 05:27:14,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:27:14,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:27:14,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:27:14,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:27:14,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:27:14,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:27:14" (1/1) ... [2024-11-19 05:27:14,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc38536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:14, skipping insertion in model container [2024-11-19 05:27:14,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:27:14" (1/1) ... [2024-11-19 05:27:14,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:27:14,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:27:14,940 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:27:14,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:27:15,060 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:27:15,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15 WrapperNode [2024-11-19 05:27:15,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:27:15,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:27:15,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:27:15,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:27:15,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,115 INFO L138 Inliner]: procedures = 372, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 212 [2024-11-19 05:27:15,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:27:15,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:27:15,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:27:15,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:27:15,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:27:15,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:27:15,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:27:15,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:27:15,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (1/1) ... [2024-11-19 05:27:15,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:27:15,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:15,191 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 05:27:15,193 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 05:27:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 05:27:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 05:27:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 05:27:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 05:27:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:27:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-19 05:27:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-19 05:27:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:27:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:27:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-19 05:27:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-19 05:27:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:27:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:27:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:27:15,234 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 05:27:15,341 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:27:15,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:27:15,591 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:27:15,591 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:27:15,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:27:15,618 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 05:27:15,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:27:15 BoogieIcfgContainer [2024-11-19 05:27:15,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:27:15,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:27:15,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:27:15,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:27:15,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:27:14" (1/3) ... [2024-11-19 05:27:15,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583cc6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:27:15, skipping insertion in model container [2024-11-19 05:27:15,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:27:15" (2/3) ... [2024-11-19 05:27:15,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583cc6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:27:15, skipping insertion in model container [2024-11-19 05:27:15,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:27:15" (3/3) ... [2024-11-19 05:27:15,624 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2.i [2024-11-19 05:27:15,635 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:27:15,635 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-19 05:27:15,635 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:27:15,696 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-19 05:27:15,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 232 places, 245 transitions, 510 flow [2024-11-19 05:27:15,838 INFO L124 PetriNetUnfolderBase]: 39/521 cut-off events. [2024-11-19 05:27:15,838 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-19 05:27:15,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 521 events. 39/521 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2077 event pairs, 0 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 277. Up to 8 conditions per place. [2024-11-19 05:27:15,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 232 places, 245 transitions, 510 flow [2024-11-19 05:27:15,859 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 245 transitions, 510 flow [2024-11-19 05:27:15,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:27:15,890 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;@5fa10224, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:27:15,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-19 05:27:15,894 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:27:15,895 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-19 05:27:15,895 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:27:15,895 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:15,895 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:15,896 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 05:27:15,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:15,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1619514553, now seen corresponding path program 1 times [2024-11-19 05:27:15,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:15,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499306673] [2024-11-19 05:27:15,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:15,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:16,071 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 05:27:16,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:16,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499306673] [2024-11-19 05:27:16,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499306673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:16,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:16,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:16,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449810646] [2024-11-19 05:27:16,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:16,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:16,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:16,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:16,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:16,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 245 [2024-11-19 05:27:16,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 245 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 05:27:16,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:16,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 245 [2024-11-19 05:27:16,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:16,264 INFO L124 PetriNetUnfolderBase]: 63/811 cut-off events. [2024-11-19 05:27:16,264 INFO L125 PetriNetUnfolderBase]: For 56/108 co-relation queries the response was YES. [2024-11-19 05:27:16,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 971 conditions, 811 events. 63/811 cut-off events. For 56/108 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4183 event pairs, 50 based on Foata normal form. 67/749 useless extension candidates. Maximal degree in co-relation 575. Up to 128 conditions per place. [2024-11-19 05:27:16,274 INFO L140 encePairwiseOnDemand]: 224/245 looper letters, 18 selfloop transitions, 1 changer transitions 6/223 dead transitions. [2024-11-19 05:27:16,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 223 transitions, 504 flow [2024-11-19 05:27:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2024-11-19 05:27:16,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.889795918367347 [2024-11-19 05:27:16,293 INFO L175 Difference]: Start difference. First operand has 232 places, 245 transitions, 510 flow. Second operand 3 states and 654 transitions. [2024-11-19 05:27:16,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 223 transitions, 504 flow [2024-11-19 05:27:16,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 223 transitions, 504 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:16,301 INFO L231 Difference]: Finished difference. Result has 224 places, 217 transitions, 456 flow [2024-11-19 05:27:16,304 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=224, PETRI_TRANSITIONS=217} [2024-11-19 05:27:16,306 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -8 predicate places. [2024-11-19 05:27:16,308 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 217 transitions, 456 flow [2024-11-19 05:27:16,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 05:27:16,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:16,310 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 05:27:16,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:27:16,311 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 05:27:16,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:16,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1334590845, now seen corresponding path program 1 times [2024-11-19 05:27:16,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:16,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229952634] [2024-11-19 05:27:16,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:16,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:16,415 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 05:27:16,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:16,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229952634] [2024-11-19 05:27:16,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229952634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:16,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:16,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:16,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166578769] [2024-11-19 05:27:16,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:16,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:16,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:16,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:16,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:16,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 245 [2024-11-19 05:27:16,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 217 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 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 05:27:16,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:16,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 245 [2024-11-19 05:27:16,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:16,583 INFO L124 PetriNetUnfolderBase]: 60/1400 cut-off events. [2024-11-19 05:27:16,584 INFO L125 PetriNetUnfolderBase]: For 166/342 co-relation queries the response was YES. [2024-11-19 05:27:16,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1567 conditions, 1400 events. 60/1400 cut-off events. For 166/342 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8932 event pairs, 28 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 754. Up to 51 conditions per place. [2024-11-19 05:27:16,590 INFO L140 encePairwiseOnDemand]: 243/245 looper letters, 21 selfloop transitions, 1 changer transitions 0/226 dead transitions. [2024-11-19 05:27:16,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 226 transitions, 536 flow [2024-11-19 05:27:16,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 668 transitions. [2024-11-19 05:27:16,592 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.908843537414966 [2024-11-19 05:27:16,592 INFO L175 Difference]: Start difference. First operand has 224 places, 217 transitions, 456 flow. Second operand 3 states and 668 transitions. [2024-11-19 05:27:16,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 226 transitions, 536 flow [2024-11-19 05:27:16,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 226 transitions, 535 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:16,597 INFO L231 Difference]: Finished difference. Result has 218 places, 216 transitions, 455 flow [2024-11-19 05:27:16,597 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=455, PETRI_PLACES=218, PETRI_TRANSITIONS=216} [2024-11-19 05:27:16,598 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -14 predicate places. [2024-11-19 05:27:16,600 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 216 transitions, 455 flow [2024-11-19 05:27:16,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 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 05:27:16,600 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:16,600 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 05:27:16,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:27:16,601 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 05:27:16,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:16,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1577414619, now seen corresponding path program 1 times [2024-11-19 05:27:16,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:16,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043987558] [2024-11-19 05:27:16,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:16,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:16,636 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 05:27:16,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:16,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043987558] [2024-11-19 05:27:16,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043987558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:16,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:16,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:16,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343450725] [2024-11-19 05:27:16,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:16,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:16,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:16,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:16,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:16,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2024-11-19 05:27:16,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 216 transitions, 455 flow. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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 05:27:16,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:16,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2024-11-19 05:27:16,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:16,836 INFO L124 PetriNetUnfolderBase]: 232/1677 cut-off events. [2024-11-19 05:27:16,837 INFO L125 PetriNetUnfolderBase]: For 230/534 co-relation queries the response was YES. [2024-11-19 05:27:16,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2206 conditions, 1677 events. 232/1677 cut-off events. For 230/534 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 11013 event pairs, 52 based on Foata normal form. 19/1489 useless extension candidates. Maximal degree in co-relation 1100. Up to 355 conditions per place. [2024-11-19 05:27:16,842 INFO L140 encePairwiseOnDemand]: 233/245 looper letters, 15 selfloop transitions, 1 changer transitions 24/220 dead transitions. [2024-11-19 05:27:16,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 220 transitions, 529 flow [2024-11-19 05:27:16,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-19 05:27:16,845 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8653061224489796 [2024-11-19 05:27:16,845 INFO L175 Difference]: Start difference. First operand has 218 places, 216 transitions, 455 flow. Second operand 3 states and 636 transitions. [2024-11-19 05:27:16,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 220 transitions, 529 flow [2024-11-19 05:27:16,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 220 transitions, 528 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:16,849 INFO L231 Difference]: Finished difference. Result has 213 places, 192 transitions, 408 flow [2024-11-19 05:27:16,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=213, PETRI_TRANSITIONS=192} [2024-11-19 05:27:16,851 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -19 predicate places. [2024-11-19 05:27:16,851 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 192 transitions, 408 flow [2024-11-19 05:27:16,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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 05:27:16,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:16,852 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] [2024-11-19 05:27:16,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:27:16,852 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 05:27:16,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:16,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2045685338, now seen corresponding path program 1 times [2024-11-19 05:27:16,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:16,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528357601] [2024-11-19 05:27:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:16,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:16,904 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 05:27:16,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:16,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528357601] [2024-11-19 05:27:16,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528357601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:16,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:16,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:16,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291567346] [2024-11-19 05:27:16,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:16,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:16,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:16,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:16,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:16,927 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 245 [2024-11-19 05:27:16,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 192 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 05:27:16,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:16,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 245 [2024-11-19 05:27:16,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:17,054 INFO L124 PetriNetUnfolderBase]: 184/1638 cut-off events. [2024-11-19 05:27:17,055 INFO L125 PetriNetUnfolderBase]: For 148/252 co-relation queries the response was YES. [2024-11-19 05:27:17,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2107 conditions, 1638 events. 184/1638 cut-off events. For 148/252 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 11150 event pairs, 156 based on Foata normal form. 0/1438 useless extension candidates. Maximal degree in co-relation 1838. Up to 362 conditions per place. [2024-11-19 05:27:17,061 INFO L140 encePairwiseOnDemand]: 239/245 looper letters, 18 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2024-11-19 05:27:17,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 189 transitions, 442 flow [2024-11-19 05:27:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 639 transitions. [2024-11-19 05:27:17,064 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8693877551020408 [2024-11-19 05:27:17,064 INFO L175 Difference]: Start difference. First operand has 213 places, 192 transitions, 408 flow. Second operand 3 states and 639 transitions. [2024-11-19 05:27:17,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 189 transitions, 442 flow [2024-11-19 05:27:17,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 189 transitions, 441 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:17,069 INFO L231 Difference]: Finished difference. Result has 193 places, 189 transitions, 409 flow [2024-11-19 05:27:17,070 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=193, PETRI_TRANSITIONS=189} [2024-11-19 05:27:17,071 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -39 predicate places. [2024-11-19 05:27:17,071 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 189 transitions, 409 flow [2024-11-19 05:27:17,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 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 05:27:17,072 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:17,072 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] [2024-11-19 05:27:17,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:27:17,073 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 05:27:17,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:17,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1950122769, now seen corresponding path program 1 times [2024-11-19 05:27:17,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:17,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530886358] [2024-11-19 05:27:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:17,121 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 05:27:17,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:17,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530886358] [2024-11-19 05:27:17,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530886358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:17,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:17,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:17,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710122226] [2024-11-19 05:27:17,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:17,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:17,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:17,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:17,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:17,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 245 [2024-11-19 05:27:17,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 189 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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 05:27:17,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:17,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 245 [2024-11-19 05:27:17,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:17,268 INFO L124 PetriNetUnfolderBase]: 124/1385 cut-off events. [2024-11-19 05:27:17,268 INFO L125 PetriNetUnfolderBase]: For 148/252 co-relation queries the response was YES. [2024-11-19 05:27:17,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1736 conditions, 1385 events. 124/1385 cut-off events. For 148/252 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8889 event pairs, 96 based on Foata normal form. 0/1196 useless extension candidates. Maximal degree in co-relation 868. Up to 250 conditions per place. [2024-11-19 05:27:17,273 INFO L140 encePairwiseOnDemand]: 242/245 looper letters, 17 selfloop transitions, 2 changer transitions 3/188 dead transitions. [2024-11-19 05:27:17,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 188 transitions, 447 flow [2024-11-19 05:27:17,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:17,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2024-11-19 05:27:17,275 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8734693877551021 [2024-11-19 05:27:17,275 INFO L175 Difference]: Start difference. First operand has 193 places, 189 transitions, 409 flow. Second operand 3 states and 642 transitions. [2024-11-19 05:27:17,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 188 transitions, 447 flow [2024-11-19 05:27:17,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 188 transitions, 447 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:17,278 INFO L231 Difference]: Finished difference. Result has 194 places, 185 transitions, 405 flow [2024-11-19 05:27:17,278 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=194, PETRI_TRANSITIONS=185} [2024-11-19 05:27:17,281 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -38 predicate places. [2024-11-19 05:27:17,281 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 185 transitions, 405 flow [2024-11-19 05:27:17,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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 05:27:17,282 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:17,282 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] [2024-11-19 05:27:17,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:27:17,282 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 05:27:17,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:17,285 INFO L85 PathProgramCache]: Analyzing trace with hash 737887062, now seen corresponding path program 1 times [2024-11-19 05:27:17,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:17,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900815849] [2024-11-19 05:27:17,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:17,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:17,327 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 05:27:17,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:17,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900815849] [2024-11-19 05:27:17,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900815849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:17,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:17,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:17,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278899258] [2024-11-19 05:27:17,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:17,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:17,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:17,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:17,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:17,339 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 245 [2024-11-19 05:27:17,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 185 transitions, 405 flow. Second operand has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 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 05:27:17,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:17,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 245 [2024-11-19 05:27:17,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:17,439 INFO L124 PetriNetUnfolderBase]: 60/1200 cut-off events. [2024-11-19 05:27:17,439 INFO L125 PetriNetUnfolderBase]: For 166/342 co-relation queries the response was YES. [2024-11-19 05:27:17,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1393 conditions, 1200 events. 60/1200 cut-off events. For 166/342 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7114 event pairs, 28 based on Foata normal form. 0/1056 useless extension candidates. Maximal degree in co-relation 696. Up to 51 conditions per place. [2024-11-19 05:27:17,444 INFO L140 encePairwiseOnDemand]: 243/245 looper letters, 21 selfloop transitions, 1 changer transitions 0/194 dead transitions. [2024-11-19 05:27:17,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 194 transitions, 485 flow [2024-11-19 05:27:17,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 668 transitions. [2024-11-19 05:27:17,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.908843537414966 [2024-11-19 05:27:17,446 INFO L175 Difference]: Start difference. First operand has 194 places, 185 transitions, 405 flow. Second operand 3 states and 668 transitions. [2024-11-19 05:27:17,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 194 transitions, 485 flow [2024-11-19 05:27:17,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 194 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:17,450 INFO L231 Difference]: Finished difference. Result has 190 places, 184 transitions, 401 flow [2024-11-19 05:27:17,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=190, PETRI_TRANSITIONS=184} [2024-11-19 05:27:17,452 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -42 predicate places. [2024-11-19 05:27:17,453 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 184 transitions, 401 flow [2024-11-19 05:27:17,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 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 05:27:17,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:17,453 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:17,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:27:17,454 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 05:27:17,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:17,454 INFO L85 PathProgramCache]: Analyzing trace with hash 517699852, now seen corresponding path program 1 times [2024-11-19 05:27:17,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:17,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562805239] [2024-11-19 05:27:17,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:17,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:17,491 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 05:27:17,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:17,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562805239] [2024-11-19 05:27:17,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562805239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:17,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:17,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:17,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525147796] [2024-11-19 05:27:17,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:17,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:17,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:17,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:17,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:17,518 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 245 [2024-11-19 05:27:17,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 184 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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 05:27:17,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:17,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 245 [2024-11-19 05:27:17,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:17,612 INFO L124 PetriNetUnfolderBase]: 120/1323 cut-off events. [2024-11-19 05:27:17,612 INFO L125 PetriNetUnfolderBase]: For 154/258 co-relation queries the response was YES. [2024-11-19 05:27:17,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1660 conditions, 1323 events. 120/1323 cut-off events. For 154/258 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8418 event pairs, 92 based on Foata normal form. 0/1140 useless extension candidates. Maximal degree in co-relation 835. Up to 234 conditions per place. [2024-11-19 05:27:17,616 INFO L140 encePairwiseOnDemand]: 242/245 looper letters, 18 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2024-11-19 05:27:17,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 183 transitions, 439 flow [2024-11-19 05:27:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2024-11-19 05:27:17,618 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8721088435374149 [2024-11-19 05:27:17,618 INFO L175 Difference]: Start difference. First operand has 190 places, 184 transitions, 401 flow. Second operand 3 states and 641 transitions. [2024-11-19 05:27:17,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 183 transitions, 439 flow [2024-11-19 05:27:17,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 183 transitions, 438 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:17,620 INFO L231 Difference]: Finished difference. Result has 190 places, 183 transitions, 402 flow [2024-11-19 05:27:17,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=190, PETRI_TRANSITIONS=183} [2024-11-19 05:27:17,621 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -42 predicate places. [2024-11-19 05:27:17,621 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 183 transitions, 402 flow [2024-11-19 05:27:17,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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 05:27:17,621 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:17,622 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] [2024-11-19 05:27:17,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:27:17,622 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 05:27:17,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:17,622 INFO L85 PathProgramCache]: Analyzing trace with hash 36510914, now seen corresponding path program 1 times [2024-11-19 05:27:17,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:17,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75872881] [2024-11-19 05:27:17,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:17,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:17,650 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 05:27:17,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:17,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75872881] [2024-11-19 05:27:17,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75872881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:17,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:17,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:27:17,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856065647] [2024-11-19 05:27:17,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:17,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:17,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:17,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:17,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:17,664 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 245 [2024-11-19 05:27:17,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 183 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:17,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:17,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 245 [2024-11-19 05:27:17,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:17,743 INFO L124 PetriNetUnfolderBase]: 58/1187 cut-off events. [2024-11-19 05:27:17,744 INFO L125 PetriNetUnfolderBase]: For 166/342 co-relation queries the response was YES. [2024-11-19 05:27:17,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1388 conditions, 1187 events. 58/1187 cut-off events. For 166/342 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7013 event pairs, 28 based on Foata normal form. 2/1046 useless extension candidates. Maximal degree in co-relation 706. Up to 110 conditions per place. [2024-11-19 05:27:17,748 INFO L140 encePairwiseOnDemand]: 243/245 looper letters, 16 selfloop transitions, 0 changer transitions 1/182 dead transitions. [2024-11-19 05:27:17,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 182 transitions, 431 flow [2024-11-19 05:27:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:17,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2024-11-19 05:27:17,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8734693877551021 [2024-11-19 05:27:17,750 INFO L175 Difference]: Start difference. First operand has 190 places, 183 transitions, 402 flow. Second operand 3 states and 642 transitions. [2024-11-19 05:27:17,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 182 transitions, 431 flow [2024-11-19 05:27:17,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 182 transitions, 423 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-19 05:27:17,753 INFO L231 Difference]: Finished difference. Result has 189 places, 181 transitions, 389 flow [2024-11-19 05:27:17,753 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=189, PETRI_TRANSITIONS=181} [2024-11-19 05:27:17,753 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -43 predicate places. [2024-11-19 05:27:17,754 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 181 transitions, 389 flow [2024-11-19 05:27:17,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:27:17,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:17,754 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] [2024-11-19 05:27:17,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:27:17,754 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 05:27:17,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:17,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1807168628, now seen corresponding path program 1 times [2024-11-19 05:27:17,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:17,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372146942] [2024-11-19 05:27:17,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:18,049 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 05:27:18,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:18,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372146942] [2024-11-19 05:27:18,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372146942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:18,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:18,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:18,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252767899] [2024-11-19 05:27:18,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:18,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:18,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:18,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:18,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:18,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 245 [2024-11-19 05:27:18,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 181 transitions, 389 flow. Second operand has 6 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 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 05:27:18,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:18,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 245 [2024-11-19 05:27:18,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:18,472 INFO L124 PetriNetUnfolderBase]: 650/3747 cut-off events. [2024-11-19 05:27:18,472 INFO L125 PetriNetUnfolderBase]: For 96/98 co-relation queries the response was YES. [2024-11-19 05:27:18,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5281 conditions, 3747 events. 650/3747 cut-off events. For 96/98 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 32704 event pairs, 296 based on Foata normal form. 0/3356 useless extension candidates. Maximal degree in co-relation 5275. Up to 1255 conditions per place. [2024-11-19 05:27:18,486 INFO L140 encePairwiseOnDemand]: 239/245 looper letters, 44 selfloop transitions, 5 changer transitions 4/188 dead transitions. [2024-11-19 05:27:18,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 503 flow [2024-11-19 05:27:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1149 transitions. [2024-11-19 05:27:18,490 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7816326530612245 [2024-11-19 05:27:18,490 INFO L175 Difference]: Start difference. First operand has 189 places, 181 transitions, 389 flow. Second operand 6 states and 1149 transitions. [2024-11-19 05:27:18,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 503 flow [2024-11-19 05:27:18,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 501 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:18,494 INFO L231 Difference]: Finished difference. Result has 191 places, 176 transitions, 387 flow [2024-11-19 05:27:18,494 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=191, PETRI_TRANSITIONS=176} [2024-11-19 05:27:18,495 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -41 predicate places. [2024-11-19 05:27:18,495 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 176 transitions, 387 flow [2024-11-19 05:27:18,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 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 05:27:18,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:18,497 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] [2024-11-19 05:27:18,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:27:18,497 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 05:27:18,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:18,497 INFO L85 PathProgramCache]: Analyzing trace with hash 34772814, now seen corresponding path program 1 times [2024-11-19 05:27:18,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:18,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014648203] [2024-11-19 05:27:18,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:18,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:18,560 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 05:27:18,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:18,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014648203] [2024-11-19 05:27:18,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014648203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:18,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:18,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 05:27:18,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283921237] [2024-11-19 05:27:18,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:18,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 05:27:18,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:18,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 05:27:18,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 05:27:18,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 245 [2024-11-19 05:27:18,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 176 transitions, 387 flow. Second operand has 4 states, 4 states have (on average 204.5) internal successors, (818), 4 states have internal predecessors, (818), 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 05:27:18,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:18,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 245 [2024-11-19 05:27:18,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:18,749 INFO L124 PetriNetUnfolderBase]: 159/1512 cut-off events. [2024-11-19 05:27:18,749 INFO L125 PetriNetUnfolderBase]: For 114/216 co-relation queries the response was YES. [2024-11-19 05:27:18,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1969 conditions, 1512 events. 159/1512 cut-off events. For 114/216 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10354 event pairs, 120 based on Foata normal form. 11/1351 useless extension candidates. Maximal degree in co-relation 1963. Up to 209 conditions per place. [2024-11-19 05:27:18,755 INFO L140 encePairwiseOnDemand]: 233/245 looper letters, 42 selfloop transitions, 10 changer transitions 0/204 dead transitions. [2024-11-19 05:27:18,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 204 transitions, 571 flow [2024-11-19 05:27:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 05:27:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 05:27:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 866 transitions. [2024-11-19 05:27:18,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8836734693877552 [2024-11-19 05:27:18,757 INFO L175 Difference]: Start difference. First operand has 191 places, 176 transitions, 387 flow. Second operand 4 states and 866 transitions. [2024-11-19 05:27:18,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 204 transitions, 571 flow [2024-11-19 05:27:18,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 204 transitions, 561 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:18,760 INFO L231 Difference]: Finished difference. Result has 187 places, 184 transitions, 451 flow [2024-11-19 05:27:18,760 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=245, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=451, PETRI_PLACES=187, PETRI_TRANSITIONS=184} [2024-11-19 05:27:18,761 INFO L277 CegarLoopForPetriNet]: 232 programPoint places, -45 predicate places. [2024-11-19 05:27:18,761 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 184 transitions, 451 flow [2024-11-19 05:27:18,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 204.5) internal successors, (818), 4 states have internal predecessors, (818), 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 05:27:18,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:18,762 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] [2024-11-19 05:27:18,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:27:18,762 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 05:27:18,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:18,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2013852745, now seen corresponding path program 1 times [2024-11-19 05:27:18,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:18,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768540106] [2024-11-19 05:27:18,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:18,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:27:18,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 05:27:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 05:27:18,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 05:27:18,817 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 05:27:18,818 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2024-11-19 05:27:18,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-19 05:27:18,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-19 05:27:18,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-19 05:27:18,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-19 05:27:18,819 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-19 05:27:18,820 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-11-19 05:27:18,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2024-11-19 05:27:18,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-11-19 05:27:18,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-11-19 05:27:18,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-19 05:27:18,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-19 05:27:18,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-19 05:27:18,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-19 05:27:18,822 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-19 05:27:18,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-19 05:27:18,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 33 remaining) [2024-11-19 05:27:18,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-19 05:27:18,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-19 05:27:18,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-19 05:27:18,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-19 05:27:18,823 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-19 05:27:18,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:27:18,823 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:18,828 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 05:27:18,828 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-19 05:27:18,854 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-19 05:27:18,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 278 transitions, 600 flow [2024-11-19 05:27:18,972 INFO L124 PetriNetUnfolderBase]: 155/1630 cut-off events. [2024-11-19 05:27:18,972 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-19 05:27:18,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1719 conditions, 1630 events. 155/1630 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9460 event pairs, 1 based on Foata normal form. 0/1331 useless extension candidates. Maximal degree in co-relation 942. Up to 32 conditions per place. [2024-11-19 05:27:18,978 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 278 transitions, 600 flow [2024-11-19 05:27:18,986 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 263 places, 278 transitions, 600 flow [2024-11-19 05:27:18,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:27:18,987 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;@5fa10224, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:27:18,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-11-19 05:27:18,991 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:27:18,991 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-19 05:27:18,992 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:27:18,992 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:18,992 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:18,992 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 05:27:18,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:18,992 INFO L85 PathProgramCache]: Analyzing trace with hash -226736677, now seen corresponding path program 1 times [2024-11-19 05:27:18,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:18,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092846004] [2024-11-19 05:27:18,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:18,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:19,014 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 05:27:19,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:19,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092846004] [2024-11-19 05:27:19,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092846004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:19,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:19,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:19,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204180514] [2024-11-19 05:27:19,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:19,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:19,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:19,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:19,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:19,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 278 [2024-11-19 05:27:19,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 278 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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 05:27:19,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:19,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 278 [2024-11-19 05:27:19,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:20,022 INFO L124 PetriNetUnfolderBase]: 2218/10556 cut-off events. [2024-11-19 05:27:20,022 INFO L125 PetriNetUnfolderBase]: For 2282/5351 co-relation queries the response was YES. [2024-11-19 05:27:20,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14543 conditions, 10556 events. 2218/10556 cut-off events. For 2282/5351 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 112852 event pairs, 1905 based on Foata normal form. 1203/10033 useless extension candidates. Maximal degree in co-relation 9437. Up to 3249 conditions per place. [2024-11-19 05:27:20,078 INFO L140 encePairwiseOnDemand]: 251/278 looper letters, 28 selfloop transitions, 1 changer transitions 4/248 dead transitions. [2024-11-19 05:27:20,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 248 transitions, 598 flow [2024-11-19 05:27:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2024-11-19 05:27:20,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8609112709832134 [2024-11-19 05:27:20,081 INFO L175 Difference]: Start difference. First operand has 263 places, 278 transitions, 600 flow. Second operand 3 states and 718 transitions. [2024-11-19 05:27:20,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 248 transitions, 598 flow [2024-11-19 05:27:20,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 248 transitions, 598 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:20,085 INFO L231 Difference]: Finished difference. Result has 249 places, 244 transitions, 534 flow [2024-11-19 05:27:20,086 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=249, PETRI_TRANSITIONS=244} [2024-11-19 05:27:20,086 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -14 predicate places. [2024-11-19 05:27:20,086 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 244 transitions, 534 flow [2024-11-19 05:27:20,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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 05:27:20,087 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:20,087 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 05:27:20,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:27:20,088 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 05:27:20,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:20,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1561032317, now seen corresponding path program 1 times [2024-11-19 05:27:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:20,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338449308] [2024-11-19 05:27:20,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:20,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:20,110 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 05:27:20,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:20,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338449308] [2024-11-19 05:27:20,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338449308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:20,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:20,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:20,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642237753] [2024-11-19 05:27:20,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:20,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:20,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:20,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:20,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:20,118 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 278 [2024-11-19 05:27:20,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 244 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 05:27:20,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:20,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 278 [2024-11-19 05:27:20,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:21,988 INFO L124 PetriNetUnfolderBase]: 2492/17972 cut-off events. [2024-11-19 05:27:21,989 INFO L125 PetriNetUnfolderBase]: For 5620/27496 co-relation queries the response was YES. [2024-11-19 05:27:22,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22939 conditions, 17972 events. 2492/17972 cut-off events. For 5620/27496 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 226478 event pairs, 1706 based on Foata normal form. 0/14727 useless extension candidates. Maximal degree in co-relation 11439. Up to 1670 conditions per place. [2024-11-19 05:27:22,102 INFO L140 encePairwiseOnDemand]: 276/278 looper letters, 41 selfloop transitions, 1 changer transitions 0/263 dead transitions. [2024-11-19 05:27:22,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 263 transitions, 696 flow [2024-11-19 05:27:22,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2024-11-19 05:27:22,104 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.882494004796163 [2024-11-19 05:27:22,105 INFO L175 Difference]: Start difference. First operand has 249 places, 244 transitions, 534 flow. Second operand 3 states and 736 transitions. [2024-11-19 05:27:22,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 263 transitions, 696 flow [2024-11-19 05:27:22,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 263 transitions, 695 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:22,112 INFO L231 Difference]: Finished difference. Result has 245 places, 243 transitions, 533 flow [2024-11-19 05:27:22,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=533, PETRI_PLACES=245, PETRI_TRANSITIONS=243} [2024-11-19 05:27:22,112 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -18 predicate places. [2024-11-19 05:27:22,113 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 243 transitions, 533 flow [2024-11-19 05:27:22,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 05:27:22,113 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:22,113 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 05:27:22,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:27:22,114 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 05:27:22,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:22,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1147303993, now seen corresponding path program 1 times [2024-11-19 05:27:22,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:22,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947678311] [2024-11-19 05:27:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:22,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:27:22,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:22,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947678311] [2024-11-19 05:27:22,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947678311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:22,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:22,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:22,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307372466] [2024-11-19 05:27:22,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:22,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:22,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:22,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:22,150 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 278 [2024-11-19 05:27:22,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 243 transitions, 533 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 05:27:22,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:22,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 278 [2024-11-19 05:27:22,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:26,083 INFO L124 PetriNetUnfolderBase]: 14770/42373 cut-off events. [2024-11-19 05:27:26,083 INFO L125 PetriNetUnfolderBase]: For 10634/48790 co-relation queries the response was YES. [2024-11-19 05:27:26,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66312 conditions, 42373 events. 14770/42373 cut-off events. For 10634/48790 co-relation queries the response was YES. Maximal size of possible extension queue 1107. Compared 496504 event pairs, 4272 based on Foata normal form. 121/37401 useless extension candidates. Maximal degree in co-relation 33152. Up to 17809 conditions per place. [2024-11-19 05:27:26,289 INFO L140 encePairwiseOnDemand]: 264/278 looper letters, 41 selfloop transitions, 2 changer transitions 18/258 dead transitions. [2024-11-19 05:27:26,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 258 transitions, 702 flow [2024-11-19 05:27:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-19 05:27:26,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8405275779376499 [2024-11-19 05:27:26,291 INFO L175 Difference]: Start difference. First operand has 245 places, 243 transitions, 533 flow. Second operand 3 states and 701 transitions. [2024-11-19 05:27:26,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 258 transitions, 702 flow [2024-11-19 05:27:26,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 258 transitions, 701 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:26,297 INFO L231 Difference]: Finished difference. Result has 240 places, 223 transitions, 502 flow [2024-11-19 05:27:26,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=240, PETRI_TRANSITIONS=223} [2024-11-19 05:27:26,298 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -23 predicate places. [2024-11-19 05:27:26,298 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 223 transitions, 502 flow [2024-11-19 05:27:26,299 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 05:27:26,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:26,299 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] [2024-11-19 05:27:26,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:27:26,299 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 05:27:26,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:26,300 INFO L85 PathProgramCache]: Analyzing trace with hash 773826362, now seen corresponding path program 1 times [2024-11-19 05:27:26,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:26,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805736700] [2024-11-19 05:27:26,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:26,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:26,317 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 05:27:26,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:26,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805736700] [2024-11-19 05:27:26,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805736700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:26,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:26,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:26,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664473287] [2024-11-19 05:27:26,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:26,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:26,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:26,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:26,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:26,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 278 [2024-11-19 05:27:26,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 223 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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 05:27:26,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:26,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 278 [2024-11-19 05:27:26,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:28,540 INFO L124 PetriNetUnfolderBase]: 6096/23780 cut-off events. [2024-11-19 05:27:28,540 INFO L125 PetriNetUnfolderBase]: For 5200/11740 co-relation queries the response was YES. [2024-11-19 05:27:28,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35749 conditions, 23780 events. 6096/23780 cut-off events. For 5200/11740 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 276820 event pairs, 5210 based on Foata normal form. 0/21026 useless extension candidates. Maximal degree in co-relation 28670. Up to 8524 conditions per place. [2024-11-19 05:27:28,680 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 28 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2024-11-19 05:27:28,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 220 transitions, 556 flow [2024-11-19 05:27:28,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions. [2024-11-19 05:27:28,682 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8357314148681055 [2024-11-19 05:27:28,682 INFO L175 Difference]: Start difference. First operand has 240 places, 223 transitions, 502 flow. Second operand 3 states and 697 transitions. [2024-11-19 05:27:28,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 220 transitions, 556 flow [2024-11-19 05:27:28,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 220 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:28,688 INFO L231 Difference]: Finished difference. Result has 224 places, 220 transitions, 504 flow [2024-11-19 05:27:28,689 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=224, PETRI_TRANSITIONS=220} [2024-11-19 05:27:28,689 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -39 predicate places. [2024-11-19 05:27:28,689 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 220 transitions, 504 flow [2024-11-19 05:27:28,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 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 05:27:28,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:28,690 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] [2024-11-19 05:27:28,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:27:28,690 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 05:27:28,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:28,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1771233283, now seen corresponding path program 1 times [2024-11-19 05:27:28,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:28,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815881129] [2024-11-19 05:27:28,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:28,708 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 05:27:28,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:28,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815881129] [2024-11-19 05:27:28,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815881129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:28,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:28,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:28,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801562466] [2024-11-19 05:27:28,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:28,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:28,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:28,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:28,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:28,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 278 [2024-11-19 05:27:28,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 220 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 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 05:27:28,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:28,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 278 [2024-11-19 05:27:28,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:30,676 INFO L124 PetriNetUnfolderBase]: 4656/19695 cut-off events. [2024-11-19 05:27:30,676 INFO L125 PetriNetUnfolderBase]: For 5224/13372 co-relation queries the response was YES. [2024-11-19 05:27:30,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29201 conditions, 19695 events. 4656/19695 cut-off events. For 5224/13372 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 229745 event pairs, 3782 based on Foata normal form. 0/16702 useless extension candidates. Maximal degree in co-relation 24021. Up to 6578 conditions per place. [2024-11-19 05:27:30,777 INFO L140 encePairwiseOnDemand]: 275/278 looper letters, 28 selfloop transitions, 2 changer transitions 2/219 dead transitions. [2024-11-19 05:27:30,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 219 transitions, 562 flow [2024-11-19 05:27:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 700 transitions. [2024-11-19 05:27:30,780 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8393285371702638 [2024-11-19 05:27:30,780 INFO L175 Difference]: Start difference. First operand has 224 places, 220 transitions, 504 flow. Second operand 3 states and 700 transitions. [2024-11-19 05:27:30,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 219 transitions, 562 flow [2024-11-19 05:27:30,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 219 transitions, 562 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:27:30,787 INFO L231 Difference]: Finished difference. Result has 225 places, 217 transitions, 502 flow [2024-11-19 05:27:30,787 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=225, PETRI_TRANSITIONS=217} [2024-11-19 05:27:30,787 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -38 predicate places. [2024-11-19 05:27:30,787 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 217 transitions, 502 flow [2024-11-19 05:27:30,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 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 05:27:30,788 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:30,788 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] [2024-11-19 05:27:30,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:27:30,788 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 05:27:30,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:30,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1142787818, now seen corresponding path program 1 times [2024-11-19 05:27:30,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:30,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075146828] [2024-11-19 05:27:30,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:30,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:30,815 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 05:27:30,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:30,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075146828] [2024-11-19 05:27:30,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075146828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:30,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:30,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:30,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670489731] [2024-11-19 05:27:30,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:30,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:30,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:30,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:30,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:30,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 278 [2024-11-19 05:27:30,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 217 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 05:27:30,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:30,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 278 [2024-11-19 05:27:30,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:32,271 INFO L124 PetriNetUnfolderBase]: 2546/16004 cut-off events. [2024-11-19 05:27:32,271 INFO L125 PetriNetUnfolderBase]: For 5620/27496 co-relation queries the response was YES. [2024-11-19 05:27:32,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21678 conditions, 16004 events. 2546/16004 cut-off events. For 5620/27496 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 193084 event pairs, 1706 based on Foata normal form. 0/13616 useless extension candidates. Maximal degree in co-relation 19193. Up to 1670 conditions per place. [2024-11-19 05:27:32,360 INFO L140 encePairwiseOnDemand]: 276/278 looper letters, 41 selfloop transitions, 1 changer transitions 0/236 dead transitions. [2024-11-19 05:27:32,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 236 transitions, 664 flow [2024-11-19 05:27:32,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2024-11-19 05:27:32,362 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.882494004796163 [2024-11-19 05:27:32,362 INFO L175 Difference]: Start difference. First operand has 225 places, 217 transitions, 502 flow. Second operand 3 states and 736 transitions. [2024-11-19 05:27:32,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 236 transitions, 664 flow [2024-11-19 05:27:32,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 236 transitions, 660 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:27:32,368 INFO L231 Difference]: Finished difference. Result has 222 places, 216 transitions, 498 flow [2024-11-19 05:27:32,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=222, PETRI_TRANSITIONS=216} [2024-11-19 05:27:32,368 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -41 predicate places. [2024-11-19 05:27:32,368 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 216 transitions, 498 flow [2024-11-19 05:27:32,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 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 05:27:32,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:32,369 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:27:32,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:27:32,369 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 05:27:32,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:32,370 INFO L85 PathProgramCache]: Analyzing trace with hash -743422452, now seen corresponding path program 1 times [2024-11-19 05:27:32,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:32,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988037915] [2024-11-19 05:27:32,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:32,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:32,385 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 05:27:32,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:32,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988037915] [2024-11-19 05:27:32,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988037915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:32,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:32,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:27:32,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294769185] [2024-11-19 05:27:32,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:32,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:32,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 278 [2024-11-19 05:27:32,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 216 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 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 05:27:32,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:32,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 278 [2024-11-19 05:27:32,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:34,531 INFO L124 PetriNetUnfolderBase]: 5342/21325 cut-off events. [2024-11-19 05:27:34,531 INFO L125 PetriNetUnfolderBase]: For 5228/13428 co-relation queries the response was YES. [2024-11-19 05:27:34,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31977 conditions, 21325 events. 5342/21325 cut-off events. For 5228/13428 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 250819 event pairs, 4482 based on Foata normal form. 0/18200 useless extension candidates. Maximal degree in co-relation 25846. Up to 7458 conditions per place. [2024-11-19 05:27:34,627 INFO L140 encePairwiseOnDemand]: 275/278 looper letters, 29 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2024-11-19 05:27:34,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 215 transitions, 558 flow [2024-11-19 05:27:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:34,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 700 transitions. [2024-11-19 05:27:34,629 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8393285371702638 [2024-11-19 05:27:34,629 INFO L175 Difference]: Start difference. First operand has 222 places, 216 transitions, 498 flow. Second operand 3 states and 700 transitions. [2024-11-19 05:27:34,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 215 transitions, 558 flow [2024-11-19 05:27:34,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 215 transitions, 557 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:34,635 INFO L231 Difference]: Finished difference. Result has 222 places, 215 transitions, 499 flow [2024-11-19 05:27:34,635 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=499, PETRI_PLACES=222, PETRI_TRANSITIONS=215} [2024-11-19 05:27:34,636 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -41 predicate places. [2024-11-19 05:27:34,636 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 215 transitions, 499 flow [2024-11-19 05:27:34,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 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 05:27:34,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:34,636 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] [2024-11-19 05:27:34,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:27:34,637 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 05:27:34,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:34,637 INFO L85 PathProgramCache]: Analyzing trace with hash 203469122, now seen corresponding path program 1 times [2024-11-19 05:27:34,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:34,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492003158] [2024-11-19 05:27:34,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:34,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:34,659 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 05:27:34,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:34,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492003158] [2024-11-19 05:27:34,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492003158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:34,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:34,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:27:34,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306765720] [2024-11-19 05:27:34,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:34,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:27:34,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:34,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:27:34,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:27:34,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 278 [2024-11-19 05:27:34,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 215 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 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 05:27:34,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:34,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 278 [2024-11-19 05:27:34,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:36,355 INFO L124 PetriNetUnfolderBase]: 3752/19495 cut-off events. [2024-11-19 05:27:36,355 INFO L125 PetriNetUnfolderBase]: For 5620/27496 co-relation queries the response was YES. [2024-11-19 05:27:36,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27253 conditions, 19495 events. 3752/19495 cut-off events. For 5620/27496 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 236494 event pairs, 2730 based on Foata normal form. 2/16460 useless extension candidates. Maximal degree in co-relation 23378. Up to 5036 conditions per place. [2024-11-19 05:27:36,441 INFO L140 encePairwiseOnDemand]: 276/278 looper letters, 27 selfloop transitions, 0 changer transitions 1/214 dead transitions. [2024-11-19 05:27:36,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 214 transitions, 550 flow [2024-11-19 05:27:36,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:27:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:27:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-19 05:27:36,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8405275779376499 [2024-11-19 05:27:36,443 INFO L175 Difference]: Start difference. First operand has 222 places, 215 transitions, 499 flow. Second operand 3 states and 701 transitions. [2024-11-19 05:27:36,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 214 transitions, 550 flow [2024-11-19 05:27:36,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 214 transitions, 542 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-19 05:27:36,448 INFO L231 Difference]: Finished difference. Result has 221 places, 213 transitions, 486 flow [2024-11-19 05:27:36,452 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=221, PETRI_TRANSITIONS=213} [2024-11-19 05:27:36,452 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -42 predicate places. [2024-11-19 05:27:36,452 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 213 transitions, 486 flow [2024-11-19 05:27:36,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 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 05:27:36,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:36,453 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] [2024-11-19 05:27:36,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:27:36,453 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 05:27:36,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:36,453 INFO L85 PathProgramCache]: Analyzing trace with hash 2087288456, now seen corresponding path program 1 times [2024-11-19 05:27:36,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:36,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344803305] [2024-11-19 05:27:36,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:36,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:36,670 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 05:27:36,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:36,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344803305] [2024-11-19 05:27:36,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344803305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:36,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:36,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:36,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508456991] [2024-11-19 05:27:36,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:36,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:36,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:36,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:36,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:36,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 278 [2024-11-19 05:27:36,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 213 transitions, 486 flow. Second operand has 6 states, 6 states have (on average 200.66666666666666) internal successors, (1204), 6 states have internal predecessors, (1204), 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 05:27:36,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:36,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 278 [2024-11-19 05:27:36,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:43,737 INFO L124 PetriNetUnfolderBase]: 20988/73427 cut-off events. [2024-11-19 05:27:43,737 INFO L125 PetriNetUnfolderBase]: For 3154/3218 co-relation queries the response was YES. [2024-11-19 05:27:43,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112170 conditions, 73427 events. 20988/73427 cut-off events. For 3154/3218 co-relation queries the response was YES. Maximal size of possible extension queue 1534. Compared 979042 event pairs, 9754 based on Foata normal form. 0/67098 useless extension candidates. Maximal degree in co-relation 112161. Up to 29941 conditions per place. [2024-11-19 05:27:44,130 INFO L140 encePairwiseOnDemand]: 271/278 looper letters, 64 selfloop transitions, 5 changer transitions 3/228 dead transitions. [2024-11-19 05:27:44,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 228 transitions, 656 flow [2024-11-19 05:27:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:27:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:27:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1265 transitions. [2024-11-19 05:27:44,133 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7583932853717026 [2024-11-19 05:27:44,133 INFO L175 Difference]: Start difference. First operand has 221 places, 213 transitions, 486 flow. Second operand 6 states and 1265 transitions. [2024-11-19 05:27:44,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 228 transitions, 656 flow [2024-11-19 05:27:44,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 228 transitions, 654 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:44,140 INFO L231 Difference]: Finished difference. Result has 223 places, 209 transitions, 486 flow [2024-11-19 05:27:44,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=486, PETRI_PLACES=223, PETRI_TRANSITIONS=209} [2024-11-19 05:27:44,141 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -40 predicate places. [2024-11-19 05:27:44,141 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 209 transitions, 486 flow [2024-11-19 05:27:44,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.66666666666666) internal successors, (1204), 6 states have internal predecessors, (1204), 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 05:27:44,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:44,142 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] [2024-11-19 05:27:44,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 05:27:44,142 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 05:27:44,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash 2116770914, now seen corresponding path program 1 times [2024-11-19 05:27:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:44,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817409578] [2024-11-19 05:27:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:44,191 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 05:27:44,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:44,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817409578] [2024-11-19 05:27:44,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817409578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:44,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:44,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 05:27:44,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093545391] [2024-11-19 05:27:44,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:44,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 05:27:44,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:44,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 05:27:44,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 05:27:44,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 278 [2024-11-19 05:27:44,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 209 transitions, 486 flow. Second operand has 4 states, 4 states have (on average 220.5) internal successors, (882), 4 states have internal predecessors, (882), 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 05:27:44,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:44,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 278 [2024-11-19 05:27:44,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:47,223 INFO L124 PetriNetUnfolderBase]: 7222/29018 cut-off events. [2024-11-19 05:27:47,224 INFO L125 PetriNetUnfolderBase]: For 4520/9346 co-relation queries the response was YES. [2024-11-19 05:27:47,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43101 conditions, 29018 events. 7222/29018 cut-off events. For 4520/9346 co-relation queries the response was YES. Maximal size of possible extension queue 713. Compared 354363 event pairs, 5043 based on Foata normal form. 137/25721 useless extension candidates. Maximal degree in co-relation 43092. Up to 5892 conditions per place. [2024-11-19 05:27:47,357 INFO L140 encePairwiseOnDemand]: 265/278 looper letters, 77 selfloop transitions, 11 changer transitions 0/262 dead transitions. [2024-11-19 05:27:47,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 262 transitions, 832 flow [2024-11-19 05:27:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 05:27:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 05:27:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 966 transitions. [2024-11-19 05:27:47,359 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8687050359712231 [2024-11-19 05:27:47,359 INFO L175 Difference]: Start difference. First operand has 223 places, 209 transitions, 486 flow. Second operand 4 states and 966 transitions. [2024-11-19 05:27:47,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 262 transitions, 832 flow [2024-11-19 05:27:47,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 262 transitions, 822 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:27:47,367 INFO L231 Difference]: Finished difference. Result has 220 places, 218 transitions, 558 flow [2024-11-19 05:27:47,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=558, PETRI_PLACES=220, PETRI_TRANSITIONS=218} [2024-11-19 05:27:47,368 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -43 predicate places. [2024-11-19 05:27:47,368 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 218 transitions, 558 flow [2024-11-19 05:27:47,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 220.5) internal successors, (882), 4 states have internal predecessors, (882), 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 05:27:47,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:47,368 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] [2024-11-19 05:27:47,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 05:27:47,369 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 05:27:47,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:47,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2130107409, now seen corresponding path program 1 times [2024-11-19 05:27:47,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:47,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648263708] [2024-11-19 05:27:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:47,469 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 05:27:47,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:47,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648263708] [2024-11-19 05:27:47,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648263708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:27:47,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776358882] [2024-11-19 05:27:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:47,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:27:47,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:27:47,471 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 05:27:47,472 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 05:27:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:47,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 05:27:47,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:27:47,727 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 05:27:47,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:27:47,812 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 05:27:47,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776358882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:27:47,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:27:47,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-19 05:27:47,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493824755] [2024-11-19 05:27:47,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:27:47,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:27:47,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:47,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:27:47,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:27:48,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 278 [2024-11-19 05:27:48,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 218 transitions, 558 flow. Second operand has 13 states, 13 states have (on average 217.15384615384616) internal successors, (2823), 13 states have internal predecessors, (2823), 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 05:27:48,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:48,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 278 [2024-11-19 05:27:48,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:27:51,744 INFO L124 PetriNetUnfolderBase]: 8149/34410 cut-off events. [2024-11-19 05:27:51,744 INFO L125 PetriNetUnfolderBase]: For 7364/8250 co-relation queries the response was YES. [2024-11-19 05:27:51,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53244 conditions, 34410 events. 8149/34410 cut-off events. For 7364/8250 co-relation queries the response was YES. Maximal size of possible extension queue 695. Compared 433958 event pairs, 3154 based on Foata normal form. 3/30657 useless extension candidates. Maximal degree in co-relation 53233. Up to 5348 conditions per place. [2024-11-19 05:27:51,921 INFO L140 encePairwiseOnDemand]: 262/278 looper letters, 100 selfloop transitions, 21 changer transitions 0/291 dead transitions. [2024-11-19 05:27:51,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 291 transitions, 1026 flow [2024-11-19 05:27:51,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 05:27:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 05:27:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1842 transitions. [2024-11-19 05:27:51,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8282374100719424 [2024-11-19 05:27:51,924 INFO L175 Difference]: Start difference. First operand has 220 places, 218 transitions, 558 flow. Second operand 8 states and 1842 transitions. [2024-11-19 05:27:51,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 291 transitions, 1026 flow [2024-11-19 05:27:51,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 291 transitions, 1024 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:27:51,935 INFO L231 Difference]: Finished difference. Result has 231 places, 226 transitions, 666 flow [2024-11-19 05:27:51,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=666, PETRI_PLACES=231, PETRI_TRANSITIONS=226} [2024-11-19 05:27:51,936 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -32 predicate places. [2024-11-19 05:27:51,936 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 226 transitions, 666 flow [2024-11-19 05:27:51,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 217.15384615384616) internal successors, (2823), 13 states have internal predecessors, (2823), 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 05:27:51,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:27:51,937 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] [2024-11-19 05:27:51,949 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 05:27:52,137 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 05:27:52,138 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 05:27:52,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:27:52,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1026004264, now seen corresponding path program 1 times [2024-11-19 05:27:52,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:27:52,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101323846] [2024-11-19 05:27:52,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:27:52,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:27:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:27:52,558 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 05:27:52,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:27:52,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101323846] [2024-11-19 05:27:52,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101323846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:27:52,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:27:52,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:27:52,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930070279] [2024-11-19 05:27:52,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:27:52,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:27:52,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:27:52,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:27:52,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:27:52,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 278 [2024-11-19 05:27:52,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 226 transitions, 666 flow. Second operand has 6 states, 6 states have (on average 200.83333333333334) internal successors, (1205), 6 states have internal predecessors, (1205), 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 05:27:52,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:27:52,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 278 [2024-11-19 05:27:52,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand