./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:52:59,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:52:59,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:52:59,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:52:59,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:52:59,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:52:59,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:52:59,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:52:59,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:52:59,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:52:59,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:52:59,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:52:59,321 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:52:59,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:52:59,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:52:59,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:52:59,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:52:59,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:52:59,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:52:59,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:52:59,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:52:59,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:52:59,330 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:52:59,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:52:59,331 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:52:59,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:52:59,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:52:59,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:52:59,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:52:59,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:52:59,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:52:59,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:52:59,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:52:59,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:52:59,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:52:59,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:52:59,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:52:59,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:52:59,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:52:59,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:52:59,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:52:59,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d [2024-11-20 13:52:59,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:52:59,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:52:59,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:52:59,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:52:59,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:52:59,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-20 13:53:01,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:53:01,235 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:53:01,236 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-20 13:53:01,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ea77a1c0/8e5932bc4de04bebbf1133ce02225a32/FLAG0391ed84d [2024-11-20 13:53:01,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ea77a1c0/8e5932bc4de04bebbf1133ce02225a32 [2024-11-20 13:53:01,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:53:01,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:53:01,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:53:01,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:53:01,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:53:01,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b498a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01, skipping insertion in model container [2024-11-20 13:53:01,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:53:01,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:53:01,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:53:01,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:53:01,666 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:53:01,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01 WrapperNode [2024-11-20 13:53:01,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:53:01,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:53:01,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:53:01,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:53:01,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,731 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 848 [2024-11-20 13:53:01,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:53:01,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:53:01,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:53:01,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:53:01,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:53:01,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:53:01,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:53:01,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:53:01,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (1/1) ... [2024-11-20 13:53:01,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:53:01,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:53:01,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 13:53:01,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 13:53:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:53:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:53:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:53:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:53:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-20 13:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-20 13:53:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:53:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 13:53:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 13:53:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:53:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:53:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 13:53:01,891 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:53:02,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:53:02,072 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:53:03,205 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:53:03,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:53:03,258 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:53:03,262 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 13:53:03,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:03 BoogieIcfgContainer [2024-11-20 13:53:03,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:53:03,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:53:03,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:53:03,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:53:03,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:53:01" (1/3) ... [2024-11-20 13:53:03,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5813e2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:53:03, skipping insertion in model container [2024-11-20 13:53:03,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:53:01" (2/3) ... [2024-11-20 13:53:03,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5813e2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:53:03, skipping insertion in model container [2024-11-20 13:53:03,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:53:03" (3/3) ... [2024-11-20 13:53:03,273 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-subst.wvr.c [2024-11-20 13:53:03,290 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:53:03,291 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 151 error locations. [2024-11-20 13:53:03,291 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:53:03,479 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-20 13:53:03,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1064 places, 1112 transitions, 2245 flow [2024-11-20 13:53:04,091 INFO L124 PetriNetUnfolderBase]: 58/1109 cut-off events. [2024-11-20 13:53:04,091 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-20 13:53:04,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1122 conditions, 1109 events. 58/1109 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3842 event pairs, 0 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 849. Up to 2 conditions per place. [2024-11-20 13:53:04,138 INFO L82 GeneralOperation]: Start removeDead. Operand has 1064 places, 1112 transitions, 2245 flow [2024-11-20 13:53:04,179 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1041 places, 1086 transitions, 2190 flow [2024-11-20 13:53:04,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:53:04,201 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;@6040e504, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:53:04,202 INFO L334 AbstractCegarLoop]: Starting to check reachability of 283 error locations. [2024-11-20 13:53:04,206 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:53:04,207 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-20 13:53:04,207 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:53:04,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:04,208 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] [2024-11-20 13:53:04,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:04,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:04,214 INFO L85 PathProgramCache]: Analyzing trace with hash 149958739, now seen corresponding path program 1 times [2024-11-20 13:53:04,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:04,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804613972] [2024-11-20 13:53:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:04,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:04,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804613972] [2024-11-20 13:53:04,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804613972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:04,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:04,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:04,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982534626] [2024-11-20 13:53:04,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:04,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:04,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:04,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:04,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:04,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-20 13:53:04,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1041 places, 1086 transitions, 2190 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:04,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:04,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-20 13:53:04,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:08,788 INFO L124 PetriNetUnfolderBase]: 612/12182 cut-off events. [2024-11-20 13:53:08,788 INFO L125 PetriNetUnfolderBase]: For 63/81 co-relation queries the response was YES. [2024-11-20 13:53:08,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12467 conditions, 12182 events. 612/12182 cut-off events. For 63/81 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 122904 event pairs, 95 based on Foata normal form. 282/9859 useless extension candidates. Maximal degree in co-relation 12186. Up to 185 conditions per place. [2024-11-20 13:53:09,078 INFO L140 encePairwiseOnDemand]: 1091/1112 looper letters, 19 selfloop transitions, 2 changer transitions 2/1067 dead transitions. [2024-11-20 13:53:09,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1042 places, 1067 transitions, 2194 flow [2024-11-20 13:53:09,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3247 transitions. [2024-11-20 13:53:09,110 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9733213429256595 [2024-11-20 13:53:09,113 INFO L175 Difference]: Start difference. First operand has 1041 places, 1086 transitions, 2190 flow. Second operand 3 states and 3247 transitions. [2024-11-20 13:53:09,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1042 places, 1067 transitions, 2194 flow [2024-11-20 13:53:09,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1036 places, 1067 transitions, 2182 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-20 13:53:09,145 INFO L231 Difference]: Finished difference. Result has 1036 places, 1065 transitions, 2140 flow [2024-11-20 13:53:09,149 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2140, PETRI_DIFFERENCE_MINUEND_PLACES=1034, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1065, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2140, PETRI_PLACES=1036, PETRI_TRANSITIONS=1065} [2024-11-20 13:53:09,153 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -5 predicate places. [2024-11-20 13:53:09,154 INFO L471 AbstractCegarLoop]: Abstraction has has 1036 places, 1065 transitions, 2140 flow [2024-11-20 13:53:09,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:09,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:09,157 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] [2024-11-20 13:53:09,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:53:09,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:09,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:09,158 INFO L85 PathProgramCache]: Analyzing trace with hash 281971922, now seen corresponding path program 1 times [2024-11-20 13:53:09,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:09,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845564899] [2024-11-20 13:53:09,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:09,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:09,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:09,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845564899] [2024-11-20 13:53:09,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845564899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:09,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:09,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:09,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388752990] [2024-11-20 13:53:09,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:09,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:09,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:09,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:09,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:09,302 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-20 13:53:09,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 1065 transitions, 2140 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:09,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:09,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-20 13:53:09,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:10,788 INFO L124 PetriNetUnfolderBase]: 226/4392 cut-off events. [2024-11-20 13:53:10,788 INFO L125 PetriNetUnfolderBase]: For 13/20 co-relation queries the response was YES. [2024-11-20 13:53:10,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4521 conditions, 4392 events. 226/4392 cut-off events. For 13/20 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 32828 event pairs, 45 based on Foata normal form. 0/3471 useless extension candidates. Maximal degree in co-relation 4480. Up to 110 conditions per place. [2024-11-20 13:53:10,926 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1064 dead transitions. [2024-11-20 13:53:10,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1035 places, 1064 transitions, 2180 flow [2024-11-20 13:53:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-20 13:53:10,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-20 13:53:10,935 INFO L175 Difference]: Start difference. First operand has 1036 places, 1065 transitions, 2140 flow. Second operand 3 states and 3229 transitions. [2024-11-20 13:53:10,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1035 places, 1064 transitions, 2180 flow [2024-11-20 13:53:10,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1033 places, 1064 transitions, 2176 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:10,956 INFO L231 Difference]: Finished difference. Result has 1033 places, 1064 transitions, 2138 flow [2024-11-20 13:53:10,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2134, PETRI_DIFFERENCE_MINUEND_PLACES=1031, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1062, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2138, PETRI_PLACES=1033, PETRI_TRANSITIONS=1064} [2024-11-20 13:53:10,959 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -8 predicate places. [2024-11-20 13:53:10,959 INFO L471 AbstractCegarLoop]: Abstraction has has 1033 places, 1064 transitions, 2138 flow [2024-11-20 13:53:10,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:10,961 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:10,962 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] [2024-11-20 13:53:10,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:53:10,962 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:10,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:10,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1850467445, now seen corresponding path program 1 times [2024-11-20 13:53:10,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:10,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852836274] [2024-11-20 13:53:10,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:10,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:11,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:11,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:11,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852836274] [2024-11-20 13:53:11,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852836274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:11,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:11,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:11,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277701471] [2024-11-20 13:53:11,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:11,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:11,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:11,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:11,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:11,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-20 13:53:11,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:11,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:11,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-20 13:53:11,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:12,607 INFO L124 PetriNetUnfolderBase]: 240/3577 cut-off events. [2024-11-20 13:53:12,608 INFO L125 PetriNetUnfolderBase]: For 42/75 co-relation queries the response was YES. [2024-11-20 13:53:12,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3776 conditions, 3577 events. 240/3577 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27187 event pairs, 95 based on Foata normal form. 0/2835 useless extension candidates. Maximal degree in co-relation 3727. Up to 185 conditions per place. [2024-11-20 13:53:12,711 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1063 dead transitions. [2024-11-20 13:53:12,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1034 places, 1063 transitions, 2178 flow [2024-11-20 13:53:12,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-20 13:53:12,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-20 13:53:12,718 INFO L175 Difference]: Start difference. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand 3 states and 3229 transitions. [2024-11-20 13:53:12,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1034 places, 1063 transitions, 2178 flow [2024-11-20 13:53:12,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1032 places, 1063 transitions, 2174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:12,734 INFO L231 Difference]: Finished difference. Result has 1032 places, 1063 transitions, 2136 flow [2024-11-20 13:53:12,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2132, PETRI_DIFFERENCE_MINUEND_PLACES=1030, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1061, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2136, PETRI_PLACES=1032, PETRI_TRANSITIONS=1063} [2024-11-20 13:53:12,737 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -9 predicate places. [2024-11-20 13:53:12,737 INFO L471 AbstractCegarLoop]: Abstraction has has 1032 places, 1063 transitions, 2136 flow [2024-11-20 13:53:12,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:12,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:12,740 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] [2024-11-20 13:53:12,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:53:12,740 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:12,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:12,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1773364741, now seen corresponding path program 1 times [2024-11-20 13:53:12,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:12,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622731282] [2024-11-20 13:53:12,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:12,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:12,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:12,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622731282] [2024-11-20 13:53:12,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622731282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:12,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:12,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:12,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942089653] [2024-11-20 13:53:12,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:12,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:12,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:12,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:12,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:12,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1112 [2024-11-20 13:53:12,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:12,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:12,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1112 [2024-11-20 13:53:12,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:14,531 INFO L124 PetriNetUnfolderBase]: 245/5502 cut-off events. [2024-11-20 13:53:14,531 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-20 13:53:14,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5578 conditions, 5502 events. 245/5502 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 43729 event pairs, 16 based on Foata normal form. 0/4349 useless extension candidates. Maximal degree in co-relation 5521. Up to 51 conditions per place. [2024-11-20 13:53:14,785 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 18 selfloop transitions, 2 changer transitions 0/1062 dead transitions. [2024-11-20 13:53:14,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1033 places, 1062 transitions, 2174 flow [2024-11-20 13:53:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3231 transitions. [2024-11-20 13:53:14,792 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9685251798561151 [2024-11-20 13:53:14,792 INFO L175 Difference]: Start difference. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand 3 states and 3231 transitions. [2024-11-20 13:53:14,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1033 places, 1062 transitions, 2174 flow [2024-11-20 13:53:14,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1031 places, 1062 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:14,807 INFO L231 Difference]: Finished difference. Result has 1031 places, 1062 transitions, 2134 flow [2024-11-20 13:53:14,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2130, PETRI_DIFFERENCE_MINUEND_PLACES=1029, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1060, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2134, PETRI_PLACES=1031, PETRI_TRANSITIONS=1062} [2024-11-20 13:53:14,810 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -10 predicate places. [2024-11-20 13:53:14,810 INFO L471 AbstractCegarLoop]: Abstraction has has 1031 places, 1062 transitions, 2134 flow [2024-11-20 13:53:14,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:14,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:14,812 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] [2024-11-20 13:53:14,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:53:14,813 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:14,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:14,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2065779890, now seen corresponding path program 1 times [2024-11-20 13:53:14,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:14,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729747093] [2024-11-20 13:53:14,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:14,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:14,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:14,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729747093] [2024-11-20 13:53:14,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729747093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:14,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:14,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:14,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836149879] [2024-11-20 13:53:14,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:14,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:14,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:14,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:14,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:14,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-20 13:53:14,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:14,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:14,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-20 13:53:14,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:15,390 INFO L124 PetriNetUnfolderBase]: 73/1611 cut-off events. [2024-11-20 13:53:15,391 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:53:15,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1672 conditions, 1611 events. 73/1611 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8227 event pairs, 12 based on Foata normal form. 0/1297 useless extension candidates. Maximal degree in co-relation 1607. Up to 40 conditions per place. [2024-11-20 13:53:15,432 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1061 dead transitions. [2024-11-20 13:53:15,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1032 places, 1061 transitions, 2166 flow [2024-11-20 13:53:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-20 13:53:15,438 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-20 13:53:15,438 INFO L175 Difference]: Start difference. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand 3 states and 3237 transitions. [2024-11-20 13:53:15,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1032 places, 1061 transitions, 2166 flow [2024-11-20 13:53:15,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1030 places, 1061 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:15,454 INFO L231 Difference]: Finished difference. Result has 1030 places, 1061 transitions, 2132 flow [2024-11-20 13:53:15,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=1028, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1061, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1059, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2132, PETRI_PLACES=1030, PETRI_TRANSITIONS=1061} [2024-11-20 13:53:15,456 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -11 predicate places. [2024-11-20 13:53:15,457 INFO L471 AbstractCegarLoop]: Abstraction has has 1030 places, 1061 transitions, 2132 flow [2024-11-20 13:53:15,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:15,459 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:15,459 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:15,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:53:15,460 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:15,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:15,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1754966991, now seen corresponding path program 1 times [2024-11-20 13:53:15,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:15,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154240804] [2024-11-20 13:53:15,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:15,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:15,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:15,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154240804] [2024-11-20 13:53:15,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154240804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:15,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:15,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:15,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286743637] [2024-11-20 13:53:15,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:15,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:15,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:15,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:15,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:15,564 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-20 13:53:15,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:15,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:15,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-20 13:53:15,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:16,780 INFO L124 PetriNetUnfolderBase]: 167/3835 cut-off events. [2024-11-20 13:53:16,781 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-20 13:53:16,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3889 conditions, 3835 events. 167/3835 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 26013 event pairs, 10 based on Foata normal form. 0/3045 useless extension candidates. Maximal degree in co-relation 3816. Up to 35 conditions per place. [2024-11-20 13:53:16,860 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1060 dead transitions. [2024-11-20 13:53:16,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1031 places, 1060 transitions, 2162 flow [2024-11-20 13:53:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:16,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-20 13:53:16,866 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-20 13:53:16,866 INFO L175 Difference]: Start difference. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand 3 states and 3239 transitions. [2024-11-20 13:53:16,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1031 places, 1060 transitions, 2162 flow [2024-11-20 13:53:16,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1029 places, 1060 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:16,881 INFO L231 Difference]: Finished difference. Result has 1029 places, 1060 transitions, 2130 flow [2024-11-20 13:53:16,883 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=1027, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2130, PETRI_PLACES=1029, PETRI_TRANSITIONS=1060} [2024-11-20 13:53:16,884 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -12 predicate places. [2024-11-20 13:53:16,884 INFO L471 AbstractCegarLoop]: Abstraction has has 1029 places, 1060 transitions, 2130 flow [2024-11-20 13:53:16,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:16,886 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:16,887 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:16,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:53:16,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:16,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:16,887 INFO L85 PathProgramCache]: Analyzing trace with hash 949180969, now seen corresponding path program 1 times [2024-11-20 13:53:16,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:16,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239478100] [2024-11-20 13:53:16,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:16,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:16,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:16,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239478100] [2024-11-20 13:53:16,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239478100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:16,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:16,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:16,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812824245] [2024-11-20 13:53:16,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:16,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:16,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:16,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:16,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:17,004 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-20 13:53:17,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:17,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:17,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-20 13:53:17,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:19,088 INFO L124 PetriNetUnfolderBase]: 349/7719 cut-off events. [2024-11-20 13:53:19,088 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-20 13:53:19,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7822 conditions, 7719 events. 349/7719 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 68367 event pairs, 24 based on Foata normal form. 0/6095 useless extension candidates. Maximal degree in co-relation 7741. Up to 70 conditions per place. [2024-11-20 13:53:19,295 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1059 dead transitions. [2024-11-20 13:53:19,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1059 transitions, 2174 flow [2024-11-20 13:53:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-20 13:53:19,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-20 13:53:19,303 INFO L175 Difference]: Start difference. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand 3 states and 3225 transitions. [2024-11-20 13:53:19,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1059 transitions, 2174 flow [2024-11-20 13:53:19,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1059 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:19,317 INFO L231 Difference]: Finished difference. Result has 1028 places, 1059 transitions, 2128 flow [2024-11-20 13:53:19,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2128, PETRI_PLACES=1028, PETRI_TRANSITIONS=1059} [2024-11-20 13:53:19,319 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -13 predicate places. [2024-11-20 13:53:19,319 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1059 transitions, 2128 flow [2024-11-20 13:53:19,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:19,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:19,321 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:19,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:53:19,321 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:19,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:19,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1976604881, now seen corresponding path program 1 times [2024-11-20 13:53:19,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:19,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874429412] [2024-11-20 13:53:19,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:19,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:19,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:19,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874429412] [2024-11-20 13:53:19,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874429412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:19,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:19,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:19,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989119740] [2024-11-20 13:53:19,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:19,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:19,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:19,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:19,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:19,413 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-20 13:53:19,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:19,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:19,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-20 13:53:19,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:20,520 INFO L124 PetriNetUnfolderBase]: 149/3282 cut-off events. [2024-11-20 13:53:20,520 INFO L125 PetriNetUnfolderBase]: For 9/30 co-relation queries the response was YES. [2024-11-20 13:53:20,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3351 conditions, 3282 events. 149/3282 cut-off events. For 9/30 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 21607 event pairs, 16 based on Foata normal form. 0/2610 useless extension candidates. Maximal degree in co-relation 3262. Up to 52 conditions per place. [2024-11-20 13:53:20,629 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1058 dead transitions. [2024-11-20 13:53:20,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1029 places, 1058 transitions, 2168 flow [2024-11-20 13:53:20,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:20,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-20 13:53:20,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-20 13:53:20,633 INFO L175 Difference]: Start difference. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand 3 states and 3229 transitions. [2024-11-20 13:53:20,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1029 places, 1058 transitions, 2168 flow [2024-11-20 13:53:20,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1058 transitions, 2164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:20,650 INFO L231 Difference]: Finished difference. Result has 1027 places, 1058 transitions, 2126 flow [2024-11-20 13:53:20,652 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=1025, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2126, PETRI_PLACES=1027, PETRI_TRANSITIONS=1058} [2024-11-20 13:53:20,653 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -14 predicate places. [2024-11-20 13:53:20,653 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1058 transitions, 2126 flow [2024-11-20 13:53:20,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:20,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:20,655 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:20,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:53:20,657 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:20,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:20,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1884930899, now seen corresponding path program 1 times [2024-11-20 13:53:20,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:20,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107635522] [2024-11-20 13:53:20,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:20,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:20,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107635522] [2024-11-20 13:53:20,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107635522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:20,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:20,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:20,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955257207] [2024-11-20 13:53:20,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:20,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:20,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:20,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:20,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:20,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-20 13:53:20,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:20,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:20,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-20 13:53:20,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:21,308 INFO L124 PetriNetUnfolderBase]: 73/1607 cut-off events. [2024-11-20 13:53:21,309 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2024-11-20 13:53:21,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1662 conditions, 1607 events. 73/1607 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7834 event pairs, 12 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1565. Up to 40 conditions per place. [2024-11-20 13:53:21,355 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1057 dead transitions. [2024-11-20 13:53:21,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1057 transitions, 2158 flow [2024-11-20 13:53:21,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:21,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-20 13:53:21,359 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-20 13:53:21,360 INFO L175 Difference]: Start difference. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand 3 states and 3237 transitions. [2024-11-20 13:53:21,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1057 transitions, 2158 flow [2024-11-20 13:53:21,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1057 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:21,372 INFO L231 Difference]: Finished difference. Result has 1026 places, 1057 transitions, 2124 flow [2024-11-20 13:53:21,373 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=1024, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2124, PETRI_PLACES=1026, PETRI_TRANSITIONS=1057} [2024-11-20 13:53:21,374 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -15 predicate places. [2024-11-20 13:53:21,374 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1057 transitions, 2124 flow [2024-11-20 13:53:21,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:21,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:21,376 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:21,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:53:21,376 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:21,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:21,377 INFO L85 PathProgramCache]: Analyzing trace with hash -175922964, now seen corresponding path program 1 times [2024-11-20 13:53:21,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:21,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094417782] [2024-11-20 13:53:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:21,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:21,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:21,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094417782] [2024-11-20 13:53:21,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094417782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:21,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:21,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:21,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126024117] [2024-11-20 13:53:21,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:21,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:21,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:21,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:21,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:21,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-20 13:53:21,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:21,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:21,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-20 13:53:21,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:22,210 INFO L124 PetriNetUnfolderBase]: 107/2446 cut-off events. [2024-11-20 13:53:22,211 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-20 13:53:22,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2495 conditions, 2446 events. 107/2446 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 13733 event pairs, 10 based on Foata normal form. 0/1958 useless extension candidates. Maximal degree in co-relation 2390. Up to 35 conditions per place. [2024-11-20 13:53:22,306 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1056 dead transitions. [2024-11-20 13:53:22,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1056 transitions, 2154 flow [2024-11-20 13:53:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-20 13:53:22,311 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-20 13:53:22,312 INFO L175 Difference]: Start difference. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand 3 states and 3239 transitions. [2024-11-20 13:53:22,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1056 transitions, 2154 flow [2024-11-20 13:53:22,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1025 places, 1056 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:22,326 INFO L231 Difference]: Finished difference. Result has 1025 places, 1056 transitions, 2122 flow [2024-11-20 13:53:22,328 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=1023, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=1025, PETRI_TRANSITIONS=1056} [2024-11-20 13:53:22,328 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -16 predicate places. [2024-11-20 13:53:22,328 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1056 transitions, 2122 flow [2024-11-20 13:53:22,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:22,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:22,331 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:22,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:53:22,332 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:22,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:22,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2144197116, now seen corresponding path program 1 times [2024-11-20 13:53:22,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:22,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041542821] [2024-11-20 13:53:22,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:22,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:22,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:22,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041542821] [2024-11-20 13:53:22,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041542821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:22,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:22,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:22,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614999100] [2024-11-20 13:53:22,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:22,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:22,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:22,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:22,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:22,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-20 13:53:22,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:22,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:22,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-20 13:53:22,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:23,918 INFO L124 PetriNetUnfolderBase]: 205/4391 cut-off events. [2024-11-20 13:53:23,918 INFO L125 PetriNetUnfolderBase]: For 13/97 co-relation queries the response was YES. [2024-11-20 13:53:24,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4482 conditions, 4391 events. 205/4391 cut-off events. For 13/97 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 32450 event pairs, 24 based on Foata normal form. 0/3480 useless extension candidates. Maximal degree in co-relation 4369. Up to 70 conditions per place. [2024-11-20 13:53:24,045 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1055 dead transitions. [2024-11-20 13:53:24,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1055 transitions, 2166 flow [2024-11-20 13:53:24,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:24,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-20 13:53:24,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-20 13:53:24,049 INFO L175 Difference]: Start difference. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand 3 states and 3225 transitions. [2024-11-20 13:53:24,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1055 transitions, 2166 flow [2024-11-20 13:53:24,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1055 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:24,060 INFO L231 Difference]: Finished difference. Result has 1024 places, 1055 transitions, 2120 flow [2024-11-20 13:53:24,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2120, PETRI_PLACES=1024, PETRI_TRANSITIONS=1055} [2024-11-20 13:53:24,062 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -17 predicate places. [2024-11-20 13:53:24,062 INFO L471 AbstractCegarLoop]: Abstraction has has 1024 places, 1055 transitions, 2120 flow [2024-11-20 13:53:24,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:24,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:24,063 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:24,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 13:53:24,063 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:24,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:24,063 INFO L85 PathProgramCache]: Analyzing trace with hash -630342891, now seen corresponding path program 1 times [2024-11-20 13:53:24,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:24,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080945087] [2024-11-20 13:53:24,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:24,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:24,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:24,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080945087] [2024-11-20 13:53:24,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080945087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:24,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:24,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:24,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257469371] [2024-11-20 13:53:24,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:24,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:24,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:24,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:24,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:24,153 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-20 13:53:24,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:24,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:24,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-20 13:53:24,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:24,466 INFO L124 PetriNetUnfolderBase]: 77/1572 cut-off events. [2024-11-20 13:53:24,466 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-20 13:53:24,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 1572 events. 77/1572 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7453 event pairs, 16 based on Foata normal form. 0/1275 useless extension candidates. Maximal degree in co-relation 1514. Up to 54 conditions per place. [2024-11-20 13:53:24,519 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1054 dead transitions. [2024-11-20 13:53:24,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1054 transitions, 2160 flow [2024-11-20 13:53:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-20 13:53:24,523 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-20 13:53:24,523 INFO L175 Difference]: Start difference. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand 3 states and 3229 transitions. [2024-11-20 13:53:24,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1054 transitions, 2160 flow [2024-11-20 13:53:24,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1054 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:24,538 INFO L231 Difference]: Finished difference. Result has 1023 places, 1054 transitions, 2118 flow [2024-11-20 13:53:24,540 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1052, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2118, PETRI_PLACES=1023, PETRI_TRANSITIONS=1054} [2024-11-20 13:53:24,540 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -18 predicate places. [2024-11-20 13:53:24,540 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1054 transitions, 2118 flow [2024-11-20 13:53:24,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:24,541 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:24,541 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:24,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 13:53:24,542 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:24,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:24,542 INFO L85 PathProgramCache]: Analyzing trace with hash -819246570, now seen corresponding path program 1 times [2024-11-20 13:53:24,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:24,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979393313] [2024-11-20 13:53:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:24,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:24,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:24,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979393313] [2024-11-20 13:53:24,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979393313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:24,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:24,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:24,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911657100] [2024-11-20 13:53:24,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:24,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:24,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:24,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:24,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:24,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-20 13:53:24,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:24,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:24,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-20 13:53:24,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:25,115 INFO L124 PetriNetUnfolderBase]: 73/1603 cut-off events. [2024-11-20 13:53:25,115 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-20 13:53:25,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 1603 events. 73/1603 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7331 event pairs, 12 based on Foata normal form. 0/1296 useless extension candidates. Maximal degree in co-relation 1523. Up to 40 conditions per place. [2024-11-20 13:53:25,189 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1053 dead transitions. [2024-11-20 13:53:25,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1053 transitions, 2150 flow [2024-11-20 13:53:25,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-20 13:53:25,194 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-20 13:53:25,194 INFO L175 Difference]: Start difference. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand 3 states and 3237 transitions. [2024-11-20 13:53:25,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1053 transitions, 2150 flow [2024-11-20 13:53:25,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1053 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:25,209 INFO L231 Difference]: Finished difference. Result has 1022 places, 1053 transitions, 2116 flow [2024-11-20 13:53:25,210 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2112, PETRI_DIFFERENCE_MINUEND_PLACES=1020, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=1022, PETRI_TRANSITIONS=1053} [2024-11-20 13:53:25,211 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -19 predicate places. [2024-11-20 13:53:25,211 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1053 transitions, 2116 flow [2024-11-20 13:53:25,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:25,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:25,212 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:25,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 13:53:25,213 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:25,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:25,213 INFO L85 PathProgramCache]: Analyzing trace with hash 828211859, now seen corresponding path program 1 times [2024-11-20 13:53:25,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:25,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116612235] [2024-11-20 13:53:25,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:25,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:25,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116612235] [2024-11-20 13:53:25,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116612235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:25,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:25,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:25,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534908698] [2024-11-20 13:53:25,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:25,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:25,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:25,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:25,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-20 13:53:25,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:25,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:25,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-20 13:53:25,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:25,605 INFO L124 PetriNetUnfolderBase]: 47/1072 cut-off events. [2024-11-20 13:53:25,606 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-20 13:53:25,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 1072 events. 47/1072 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4432 event pairs, 10 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 979. Up to 35 conditions per place. [2024-11-20 13:53:25,660 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1052 dead transitions. [2024-11-20 13:53:25,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1052 transitions, 2146 flow [2024-11-20 13:53:25,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-20 13:53:25,666 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-20 13:53:25,666 INFO L175 Difference]: Start difference. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand 3 states and 3239 transitions. [2024-11-20 13:53:25,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1052 transitions, 2146 flow [2024-11-20 13:53:25,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1052 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:25,681 INFO L231 Difference]: Finished difference. Result has 1021 places, 1052 transitions, 2114 flow [2024-11-20 13:53:25,683 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=1019, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2114, PETRI_PLACES=1021, PETRI_TRANSITIONS=1052} [2024-11-20 13:53:25,684 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -20 predicate places. [2024-11-20 13:53:25,684 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1052 transitions, 2114 flow [2024-11-20 13:53:25,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:25,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:25,686 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:25,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 13:53:25,686 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:25,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:25,687 INFO L85 PathProgramCache]: Analyzing trace with hash 795872891, now seen corresponding path program 1 times [2024-11-20 13:53:25,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:25,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148697880] [2024-11-20 13:53:25,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:25,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:25,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:25,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148697880] [2024-11-20 13:53:25,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148697880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:25,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:25,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:25,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048825191] [2024-11-20 13:53:25,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:25,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:25,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:25,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:25,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-20 13:53:25,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:25,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:25,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-20 13:53:25,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:26,221 INFO L124 PetriNetUnfolderBase]: 85/1601 cut-off events. [2024-11-20 13:53:26,221 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-20 13:53:26,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1601 events. 85/1601 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8323 event pairs, 24 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1535. Up to 70 conditions per place. [2024-11-20 13:53:26,271 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1051 dead transitions. [2024-11-20 13:53:26,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1051 transitions, 2158 flow [2024-11-20 13:53:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:26,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-20 13:53:26,275 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-20 13:53:26,275 INFO L175 Difference]: Start difference. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand 3 states and 3225 transitions. [2024-11-20 13:53:26,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1051 transitions, 2158 flow [2024-11-20 13:53:26,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1020 places, 1051 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:26,290 INFO L231 Difference]: Finished difference. Result has 1020 places, 1051 transitions, 2112 flow [2024-11-20 13:53:26,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=1018, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1049, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2112, PETRI_PLACES=1020, PETRI_TRANSITIONS=1051} [2024-11-20 13:53:26,292 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -21 predicate places. [2024-11-20 13:53:26,292 INFO L471 AbstractCegarLoop]: Abstraction has has 1020 places, 1051 transitions, 2112 flow [2024-11-20 13:53:26,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:26,293 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:26,293 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:26,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 13:53:26,293 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:26,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:26,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1948909320, now seen corresponding path program 1 times [2024-11-20 13:53:26,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:26,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688856600] [2024-11-20 13:53:26,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:26,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:26,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:26,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688856600] [2024-11-20 13:53:26,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688856600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:26,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:26,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:26,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549628367] [2024-11-20 13:53:26,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:26,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:26,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:26,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:26,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:26,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1076 out of 1112 [2024-11-20 13:53:26,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1020 places, 1051 transitions, 2112 flow. Second operand has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:26,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:26,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1076 of 1112 [2024-11-20 13:53:26,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:26,934 INFO L124 PetriNetUnfolderBase]: 121/2611 cut-off events. [2024-11-20 13:53:26,934 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-20 13:53:27,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2667 conditions, 2611 events. 121/2611 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 14424 event pairs, 15 based on Foata normal form. 0/2093 useless extension candidates. Maximal degree in co-relation 2514. Up to 43 conditions per place. [2024-11-20 13:53:27,061 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 12 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-20 13:53:27,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1021 places, 1050 transitions, 2138 flow [2024-11-20 13:53:27,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3243 transitions. [2024-11-20 13:53:27,065 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9721223021582733 [2024-11-20 13:53:27,065 INFO L175 Difference]: Start difference. First operand has 1020 places, 1051 transitions, 2112 flow. Second operand 3 states and 3243 transitions. [2024-11-20 13:53:27,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1021 places, 1050 transitions, 2138 flow [2024-11-20 13:53:27,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1019 places, 1050 transitions, 2134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:27,076 INFO L231 Difference]: Finished difference. Result has 1019 places, 1050 transitions, 2110 flow [2024-11-20 13:53:27,077 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=1017, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2110, PETRI_PLACES=1019, PETRI_TRANSITIONS=1050} [2024-11-20 13:53:27,077 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -22 predicate places. [2024-11-20 13:53:27,077 INFO L471 AbstractCegarLoop]: Abstraction has has 1019 places, 1050 transitions, 2110 flow [2024-11-20 13:53:27,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:27,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:27,078 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:27,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 13:53:27,079 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:27,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:27,079 INFO L85 PathProgramCache]: Analyzing trace with hash -819245984, now seen corresponding path program 1 times [2024-11-20 13:53:27,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:27,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833485457] [2024-11-20 13:53:27,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:27,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:27,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:27,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833485457] [2024-11-20 13:53:27,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833485457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:27,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:27,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:53:27,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941152886] [2024-11-20 13:53:27,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:27,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:53:27,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:27,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:53:27,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:53:27,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1112 [2024-11-20 13:53:27,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1019 places, 1050 transitions, 2110 flow. Second operand has 6 states, 6 states have (on average 1061.5) internal successors, (6369), 6 states have internal predecessors, (6369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:27,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:27,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1112 [2024-11-20 13:53:27,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:31,291 INFO L124 PetriNetUnfolderBase]: 893/12790 cut-off events. [2024-11-20 13:53:31,291 INFO L125 PetriNetUnfolderBase]: For 59/68 co-relation queries the response was YES. [2024-11-20 13:53:31,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13410 conditions, 12790 events. 893/12790 cut-off events. For 59/68 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 132389 event pairs, 264 based on Foata normal form. 0/10061 useless extension candidates. Maximal degree in co-relation 13198. Up to 580 conditions per place. [2024-11-20 13:53:31,706 INFO L140 encePairwiseOnDemand]: 1106/1112 looper letters, 26 selfloop transitions, 5 changer transitions 0/1049 dead transitions. [2024-11-20 13:53:31,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1049 transitions, 2170 flow [2024-11-20 13:53:31,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:53:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:53:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6392 transitions. [2024-11-20 13:53:31,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9580335731414868 [2024-11-20 13:53:31,716 INFO L175 Difference]: Start difference. First operand has 1019 places, 1050 transitions, 2110 flow. Second operand 6 states and 6392 transitions. [2024-11-20 13:53:31,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1049 transitions, 2170 flow [2024-11-20 13:53:31,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1049 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:31,728 INFO L231 Difference]: Finished difference. Result has 1021 places, 1049 transitions, 2114 flow [2024-11-20 13:53:31,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1044, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2114, PETRI_PLACES=1021, PETRI_TRANSITIONS=1049} [2024-11-20 13:53:31,729 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -20 predicate places. [2024-11-20 13:53:31,729 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1049 transitions, 2114 flow [2024-11-20 13:53:31,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1061.5) internal successors, (6369), 6 states have internal predecessors, (6369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:31,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:31,731 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:31,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 13:53:31,731 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:31,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:31,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1681895888, now seen corresponding path program 1 times [2024-11-20 13:53:31,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:31,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303383447] [2024-11-20 13:53:31,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:31,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:31,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:31,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303383447] [2024-11-20 13:53:31,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303383447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:31,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:31,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:31,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022870278] [2024-11-20 13:53:31,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:31,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:31,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:31,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:31,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:31,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-20 13:53:31,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1049 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1076.6666666666667) internal successors, (3230), 3 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:31,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:31,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-20 13:53:31,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:33,020 INFO L124 PetriNetUnfolderBase]: 163/3539 cut-off events. [2024-11-20 13:53:33,020 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-20 13:53:33,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3620 conditions, 3539 events. 163/3539 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 22944 event pairs, 9 based on Foata normal form. 0/2820 useless extension candidates. Maximal degree in co-relation 3602. Up to 43 conditions per place. [2024-11-20 13:53:33,204 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-20 13:53:33,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1050 transitions, 2154 flow [2024-11-20 13:53:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-20 13:53:33,210 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-20 13:53:33,210 INFO L175 Difference]: Start difference. First operand has 1021 places, 1049 transitions, 2114 flow. Second operand 3 states and 3244 transitions. [2024-11-20 13:53:33,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1050 transitions, 2154 flow [2024-11-20 13:53:33,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1050 transitions, 2144 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:53:33,222 INFO L231 Difference]: Finished difference. Result has 1017 places, 1048 transitions, 2106 flow [2024-11-20 13:53:33,223 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2106, PETRI_PLACES=1017, PETRI_TRANSITIONS=1048} [2024-11-20 13:53:33,223 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -24 predicate places. [2024-11-20 13:53:33,223 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1048 transitions, 2106 flow [2024-11-20 13:53:33,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1076.6666666666667) internal successors, (3230), 3 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:33,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:33,224 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:33,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 13:53:33,224 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:33,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:33,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1709151732, now seen corresponding path program 1 times [2024-11-20 13:53:33,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:33,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526373925] [2024-11-20 13:53:33,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:33,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:33,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:33,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526373925] [2024-11-20 13:53:33,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526373925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:33,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:33,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:33,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331433695] [2024-11-20 13:53:33,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:33,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:33,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:33,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:33,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:33,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-20 13:53:33,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:33,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:33,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-20 13:53:33,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:33,979 INFO L124 PetriNetUnfolderBase]: 115/2154 cut-off events. [2024-11-20 13:53:33,980 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:53:34,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2274 conditions, 2154 events. 115/2154 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13272 event pairs, 26 based on Foata normal form. 0/1739 useless extension candidates. Maximal degree in co-relation 2062. Up to 73 conditions per place. [2024-11-20 13:53:34,069 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-20 13:53:34,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1049 transitions, 2158 flow [2024-11-20 13:53:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-20 13:53:34,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688249400479616 [2024-11-20 13:53:34,075 INFO L175 Difference]: Start difference. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand 3 states and 3232 transitions. [2024-11-20 13:53:34,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1049 transitions, 2158 flow [2024-11-20 13:53:34,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1049 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:34,093 INFO L231 Difference]: Finished difference. Result has 1016 places, 1047 transitions, 2104 flow [2024-11-20 13:53:34,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=1014, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2104, PETRI_PLACES=1016, PETRI_TRANSITIONS=1047} [2024-11-20 13:53:34,095 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -25 predicate places. [2024-11-20 13:53:34,095 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1047 transitions, 2104 flow [2024-11-20 13:53:34,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:34,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:34,096 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:34,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 13:53:34,097 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:34,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:34,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1285035561, now seen corresponding path program 1 times [2024-11-20 13:53:34,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:34,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102394954] [2024-11-20 13:53:34,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:34,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:34,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:34,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102394954] [2024-11-20 13:53:34,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102394954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:34,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:34,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:34,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041937874] [2024-11-20 13:53:34,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:34,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:34,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:34,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:34,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:34,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-20 13:53:34,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1047 transitions, 2104 flow. Second operand has 3 states, 3 states have (on average 1077.0) internal successors, (3231), 3 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:34,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:34,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-20 13:53:34,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:34,725 INFO L124 PetriNetUnfolderBase]: 79/1602 cut-off events. [2024-11-20 13:53:34,726 INFO L125 PetriNetUnfolderBase]: For 11/20 co-relation queries the response was YES. [2024-11-20 13:53:34,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 1602 events. 79/1602 cut-off events. For 11/20 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7921 event pairs, 14 based on Foata normal form. 0/1300 useless extension candidates. Maximal degree in co-relation 1454. Up to 43 conditions per place. [2024-11-20 13:53:34,804 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1048 dead transitions. [2024-11-20 13:53:34,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1048 transitions, 2144 flow [2024-11-20 13:53:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-20 13:53:34,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-20 13:53:34,808 INFO L175 Difference]: Start difference. First operand has 1016 places, 1047 transitions, 2104 flow. Second operand 3 states and 3244 transitions. [2024-11-20 13:53:34,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1048 transitions, 2144 flow [2024-11-20 13:53:34,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1015 places, 1048 transitions, 2140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:34,824 INFO L231 Difference]: Finished difference. Result has 1015 places, 1046 transitions, 2102 flow [2024-11-20 13:53:34,825 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=1013, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1044, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2102, PETRI_PLACES=1015, PETRI_TRANSITIONS=1046} [2024-11-20 13:53:34,825 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -26 predicate places. [2024-11-20 13:53:34,825 INFO L471 AbstractCegarLoop]: Abstraction has has 1015 places, 1046 transitions, 2102 flow [2024-11-20 13:53:34,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.0) internal successors, (3231), 3 states have internal predecessors, (3231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:34,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:34,827 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:34,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 13:53:34,827 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:34,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:34,828 INFO L85 PathProgramCache]: Analyzing trace with hash 504439445, now seen corresponding path program 1 times [2024-11-20 13:53:34,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:34,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200115383] [2024-11-20 13:53:34,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:34,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:34,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:34,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200115383] [2024-11-20 13:53:34,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200115383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:34,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:34,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:34,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954823884] [2024-11-20 13:53:34,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:34,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:34,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:34,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:34,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:34,920 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1055 out of 1112 [2024-11-20 13:53:34,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 1046 transitions, 2102 flow. Second operand has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:34,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:34,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1055 of 1112 [2024-11-20 13:53:34,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:53:37,821 INFO L124 PetriNetUnfolderBase]: 847/10614 cut-off events. [2024-11-20 13:53:37,821 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-20 13:53:38,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11414 conditions, 10614 events. 847/10614 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 103469 event pairs, 190 based on Foata normal form. 0/8479 useless extension candidates. Maximal degree in co-relation 10900. Up to 658 conditions per place. [2024-11-20 13:53:38,271 INFO L140 encePairwiseOnDemand]: 1100/1112 looper letters, 29 selfloop transitions, 2 changer transitions 0/1040 dead transitions. [2024-11-20 13:53:38,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1007 places, 1040 transitions, 2154 flow [2024-11-20 13:53:38,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:53:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:53:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3206 transitions. [2024-11-20 13:53:38,275 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9610311750599521 [2024-11-20 13:53:38,275 INFO L175 Difference]: Start difference. First operand has 1015 places, 1046 transitions, 2102 flow. Second operand 3 states and 3206 transitions. [2024-11-20 13:53:38,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1007 places, 1040 transitions, 2154 flow [2024-11-20 13:53:38,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1005 places, 1040 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:53:38,291 INFO L231 Difference]: Finished difference. Result has 1006 places, 1038 transitions, 2092 flow [2024-11-20 13:53:38,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=1003, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1036, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1034, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2092, PETRI_PLACES=1006, PETRI_TRANSITIONS=1038} [2024-11-20 13:53:38,292 INFO L277 CegarLoopForPetriNet]: 1041 programPoint places, -35 predicate places. [2024-11-20 13:53:38,292 INFO L471 AbstractCegarLoop]: Abstraction has has 1006 places, 1038 transitions, 2092 flow [2024-11-20 13:53:38,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:38,293 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:53:38,293 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:53:38,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 13:53:38,294 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-20 13:53:38,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:53:38,294 INFO L85 PathProgramCache]: Analyzing trace with hash -564917577, now seen corresponding path program 1 times [2024-11-20 13:53:38,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:53:38,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272347992] [2024-11-20 13:53:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:53:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:53:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:53:38,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:53:38,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:53:38,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272347992] [2024-11-20 13:53:38,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272347992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:53:38,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:53:38,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:53:38,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879112624] [2024-11-20 13:53:38,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:53:38,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:53:38,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:53:38,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:53:38,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:53:38,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1055 out of 1112 [2024-11-20 13:53:38,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1006 places, 1038 transitions, 2092 flow. Second operand has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:53:38,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:53:38,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1055 of 1112 [2024-11-20 13:53:38,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand