./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-name-comparator-trans.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 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:59:28,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:59:28,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:59:28,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:59:28,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:59:28,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:59:28,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:59:28,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:59:28,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:59:28,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:59:28,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:59:28,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:59:28,298 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:59:28,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:59:28,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:59:28,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:59:28,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:59:28,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:59:28,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:59:28,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:59:28,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:59:28,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:59:28,308 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:59:28,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:59:28,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:59:28,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:59:28,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:59:28,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:59:28,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:59:28,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:59:28,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:59:28,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:28,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:59:28,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:59:28,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:59:28,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:59:28,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:59:28,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:59:28,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:59:28,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:59:28,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:59:28,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 [2024-11-09 06:59:28,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:59:28,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:59:28,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:59:28,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:59:28,626 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:59:28,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c [2024-11-09 06:59:30,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:59:30,251 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:59:30,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c [2024-11-09 06:59:30,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441cf2423/f6382599e53d4b3b99415213e23ed378/FLAGe4270ae83 [2024-11-09 06:59:30,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441cf2423/f6382599e53d4b3b99415213e23ed378 [2024-11-09 06:59:30,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:59:30,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:59:30,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:30,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:59:30,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:59:30,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:30,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7ef01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30, skipping insertion in model container [2024-11-09 06:59:30,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:30,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:59:30,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:30,863 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:59:30,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:30,948 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:59:30,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30 WrapperNode [2024-11-09 06:59:30,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:30,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:30,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:59:30,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:59:30,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:30,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,002 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 844 [2024-11-09 06:59:31,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:31,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:59:31,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:59:31,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:59:31,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:59:31,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:59:31,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:59:31,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:59:31,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (1/1) ... [2024-11-09 06:59:31,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:31,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:59:31,098 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) [2024-11-09 06:59:31,107 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 [2024-11-09 06:59:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:59:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:59:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:59:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:59:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:59:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 06:59:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 06:59:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:59:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:59:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:59:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:59:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:59:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:59:31,193 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:59:31,414 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:59:31,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:59:32,489 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:59:32,490 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:59:32,519 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:59:32,519 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:59:32,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:32 BoogieIcfgContainer [2024-11-09 06:59:32,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:59:32,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:59:32,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:59:32,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:59:32,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:59:30" (1/3) ... [2024-11-09 06:59:32,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4399575d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:32, skipping insertion in model container [2024-11-09 06:59:32,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:30" (2/3) ... [2024-11-09 06:59:32,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4399575d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:32, skipping insertion in model container [2024-11-09 06:59:32,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:32" (3/3) ... [2024-11-09 06:59:32,527 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-trans.wvr.c [2024-11-09 06:59:32,541 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:59:32,541 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 149 error locations. [2024-11-09 06:59:32,541 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:59:32,723 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 06:59:32,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1058 places, 1106 transitions, 2233 flow [2024-11-09 06:59:33,170 INFO L124 PetriNetUnfolderBase]: 58/1103 cut-off events. [2024-11-09 06:59:33,171 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 06:59:33,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 1103 events. 58/1103 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3809 event pairs, 0 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 849. Up to 2 conditions per place. [2024-11-09 06:59:33,214 INFO L82 GeneralOperation]: Start removeDead. Operand has 1058 places, 1106 transitions, 2233 flow [2024-11-09 06:59:33,245 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1036 places, 1082 transitions, 2182 flow [2024-11-09 06:59:33,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:59:33,273 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;@5ffe6a3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:59:33,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 281 error locations. [2024-11-09 06:59:33,277 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:59:33,278 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-09 06:59:33,278 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:59:33,278 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:33,279 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] [2024-11-09 06:59:33,279 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:33,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:33,284 INFO L85 PathProgramCache]: Analyzing trace with hash -339342035, now seen corresponding path program 1 times [2024-11-09 06:59:33,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:33,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224964964] [2024-11-09 06:59:33,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:33,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:33,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:33,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224964964] [2024-11-09 06:59:33,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224964964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:33,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:33,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:33,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822653220] [2024-11-09 06:59:33,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:33,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:33,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:33,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:33,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:33,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 06:59:33,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 1082 transitions, 2182 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 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) [2024-11-09 06:59:33,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:33,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 06:59:33,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:35,107 INFO L124 PetriNetUnfolderBase]: 227/4391 cut-off events. [2024-11-09 06:59:35,107 INFO L125 PetriNetUnfolderBase]: For 54/61 co-relation queries the response was YES. [2024-11-09 06:59:35,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4546 conditions, 4391 events. 227/4391 cut-off events. For 54/61 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 33698 event pairs, 45 based on Foata normal form. 208/3683 useless extension candidates. Maximal degree in co-relation 3736. Up to 110 conditions per place. [2024-11-09 06:59:35,249 INFO L140 encePairwiseOnDemand]: 1085/1106 looper letters, 19 selfloop transitions, 2 changer transitions 2/1063 dead transitions. [2024-11-09 06:59:35,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1037 places, 1063 transitions, 2186 flow [2024-11-09 06:59:35,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-09 06:59:35,271 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9731766124171187 [2024-11-09 06:59:35,273 INFO L175 Difference]: Start difference. First operand has 1036 places, 1082 transitions, 2182 flow. Second operand 3 states and 3229 transitions. [2024-11-09 06:59:35,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1037 places, 1063 transitions, 2186 flow [2024-11-09 06:59:35,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1031 places, 1063 transitions, 2174 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 06:59:35,295 INFO L231 Difference]: Finished difference. Result has 1031 places, 1061 transitions, 2132 flow [2024-11-09 06:59:35,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2132, PETRI_DIFFERENCE_MINUEND_PLACES=1029, 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=2132, PETRI_PLACES=1031, PETRI_TRANSITIONS=1061} [2024-11-09 06:59:35,301 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -5 predicate places. [2024-11-09 06:59:35,301 INFO L471 AbstractCegarLoop]: Abstraction has has 1031 places, 1061 transitions, 2132 flow [2024-11-09 06:59:35,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 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) [2024-11-09 06:59:35,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:35,304 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] [2024-11-09 06:59:35,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:59:35,304 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:35,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:35,305 INFO L85 PathProgramCache]: Analyzing trace with hash -791162709, now seen corresponding path program 1 times [2024-11-09 06:59:35,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:35,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428327399] [2024-11-09 06:59:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:35,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:35,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:35,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428327399] [2024-11-09 06:59:35,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428327399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:35,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:35,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:35,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660222086] [2024-11-09 06:59:35,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:35,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:35,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:35,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:35,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:35,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 06:59:35,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1031 places, 1061 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 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) [2024-11-09 06:59:35,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:35,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 06:59:35,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:38,265 INFO L124 PetriNetUnfolderBase]: 613/12175 cut-off events. [2024-11-09 06:59:38,267 INFO L125 PetriNetUnfolderBase]: For 6/24 co-relation queries the response was YES. [2024-11-09 06:59:38,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12409 conditions, 12175 events. 613/12175 cut-off events. For 6/24 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 120276 event pairs, 95 based on Foata normal form. 0/9562 useless extension candidates. Maximal degree in co-relation 12368. Up to 185 conditions per place. [2024-11-09 06:59:38,465 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 19 selfloop transitions, 2 changer transitions 0/1060 dead transitions. [2024-11-09 06:59:38,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1060 transitions, 2172 flow [2024-11-09 06:59:38,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:38,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-09 06:59:38,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9677516576250753 [2024-11-09 06:59:38,470 INFO L175 Difference]: Start difference. First operand has 1031 places, 1061 transitions, 2132 flow. Second operand 3 states and 3211 transitions. [2024-11-09 06:59:38,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1060 transitions, 2172 flow [2024-11-09 06:59:38,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1060 transitions, 2168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:38,486 INFO L231 Difference]: Finished difference. Result has 1028 places, 1060 transitions, 2130 flow [2024-11-09 06:59:38,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=1026, 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=1028, PETRI_TRANSITIONS=1060} [2024-11-09 06:59:38,488 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -8 predicate places. [2024-11-09 06:59:38,488 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1060 transitions, 2130 flow [2024-11-09 06:59:38,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 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) [2024-11-09 06:59:38,491 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:38,491 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] [2024-11-09 06:59:38,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:59:38,491 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:38,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:38,492 INFO L85 PathProgramCache]: Analyzing trace with hash -759212998, now seen corresponding path program 1 times [2024-11-09 06:59:38,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:38,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848963589] [2024-11-09 06:59:38,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:38,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:38,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:38,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848963589] [2024-11-09 06:59:38,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848963589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:38,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:38,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:38,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757160578] [2024-11-09 06:59:38,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:38,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:38,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:38,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:38,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:38,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 06:59:38,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1060 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 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) [2024-11-09 06:59:38,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:38,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 06:59:38,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:40,138 INFO L124 PetriNetUnfolderBase]: 241/3573 cut-off events. [2024-11-09 06:59:40,139 INFO L125 PetriNetUnfolderBase]: For 42/75 co-relation queries the response was YES. [2024-11-09 06:59:40,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3772 conditions, 3573 events. 241/3573 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27260 event pairs, 95 based on Foata normal form. 0/2832 useless extension candidates. Maximal degree in co-relation 3723. Up to 185 conditions per place. [2024-11-09 06:59:40,229 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 19 selfloop transitions, 2 changer transitions 0/1059 dead transitions. [2024-11-09 06:59:40,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1029 places, 1059 transitions, 2170 flow [2024-11-09 06:59:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-09 06:59:40,235 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9677516576250753 [2024-11-09 06:59:40,235 INFO L175 Difference]: Start difference. First operand has 1028 places, 1060 transitions, 2130 flow. Second operand 3 states and 3211 transitions. [2024-11-09 06:59:40,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1029 places, 1059 transitions, 2170 flow [2024-11-09 06:59:40,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1059 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:40,246 INFO L231 Difference]: Finished difference. Result has 1027 places, 1059 transitions, 2128 flow [2024-11-09 06:59:40,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=1025, 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=1027, PETRI_TRANSITIONS=1059} [2024-11-09 06:59:40,248 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -9 predicate places. [2024-11-09 06:59:40,248 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1059 transitions, 2128 flow [2024-11-09 06:59:40,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.3333333333333) internal successors, (3193), 3 states have internal predecessors, (3193), 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) [2024-11-09 06:59:40,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:40,250 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] [2024-11-09 06:59:40,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:59:40,251 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:40,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:40,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1995732884, now seen corresponding path program 1 times [2024-11-09 06:59:40,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:40,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206610048] [2024-11-09 06:59:40,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:40,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:40,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:40,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206610048] [2024-11-09 06:59:40,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206610048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:40,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:40,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:40,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664467557] [2024-11-09 06:59:40,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:40,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:40,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:40,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:40,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:40,342 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1106 [2024-11-09 06:59:40,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1059 transitions, 2128 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 06:59:40,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:40,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1106 [2024-11-09 06:59:40,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:42,015 INFO L124 PetriNetUnfolderBase]: 246/5498 cut-off events. [2024-11-09 06:59:42,019 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 06:59:42,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5574 conditions, 5498 events. 246/5498 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 43636 event pairs, 16 based on Foata normal form. 0/4346 useless extension candidates. Maximal degree in co-relation 5517. Up to 51 conditions per place. [2024-11-09 06:59:42,154 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 18 selfloop transitions, 2 changer transitions 0/1058 dead transitions. [2024-11-09 06:59:42,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1058 transitions, 2166 flow [2024-11-09 06:59:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-09 06:59:42,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-09 06:59:42,161 INFO L175 Difference]: Start difference. First operand has 1027 places, 1059 transitions, 2128 flow. Second operand 3 states and 3213 transitions. [2024-11-09 06:59:42,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1058 transitions, 2166 flow [2024-11-09 06:59:42,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1058 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:42,176 INFO L231 Difference]: Finished difference. Result has 1026 places, 1058 transitions, 2126 flow [2024-11-09 06:59:42,178 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=1024, 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=1026, PETRI_TRANSITIONS=1058} [2024-11-09 06:59:42,179 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -10 predicate places. [2024-11-09 06:59:42,179 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1058 transitions, 2126 flow [2024-11-09 06:59:42,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 06:59:42,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:42,181 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] [2024-11-09 06:59:42,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:59:42,181 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:42,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:42,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1388008775, now seen corresponding path program 1 times [2024-11-09 06:59:42,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:42,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554022938] [2024-11-09 06:59:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:42,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:42,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:42,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554022938] [2024-11-09 06:59:42,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554022938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:42,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:42,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:42,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430366715] [2024-11-09 06:59:42,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:42,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:42,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:42,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:42,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:42,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1106 [2024-11-09 06:59:42,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1058 transitions, 2126 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) [2024-11-09 06:59:42,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:42,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1106 [2024-11-09 06:59:42,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:42,888 INFO L124 PetriNetUnfolderBase]: 74/1607 cut-off events. [2024-11-09 06:59:42,889 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:59:42,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1668 conditions, 1607 events. 74/1607 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8190 event pairs, 12 based on Foata normal form. 0/1294 useless extension candidates. Maximal degree in co-relation 1603. Up to 40 conditions per place. [2024-11-09 06:59:42,924 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 15 selfloop transitions, 2 changer transitions 0/1057 dead transitions. [2024-11-09 06:59:42,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1057 transitions, 2158 flow [2024-11-09 06:59:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-09 06:59:42,929 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9701627486437613 [2024-11-09 06:59:42,929 INFO L175 Difference]: Start difference. First operand has 1026 places, 1058 transitions, 2126 flow. Second operand 3 states and 3219 transitions. [2024-11-09 06:59:42,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1057 transitions, 2158 flow [2024-11-09 06:59:42,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1025 places, 1057 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:42,940 INFO L231 Difference]: Finished difference. Result has 1025 places, 1057 transitions, 2124 flow [2024-11-09 06:59:42,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=1023, 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=1025, PETRI_TRANSITIONS=1057} [2024-11-09 06:59:42,942 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -11 predicate places. [2024-11-09 06:59:42,943 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1057 transitions, 2124 flow [2024-11-09 06:59:42,944 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) [2024-11-09 06:59:42,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:42,944 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] [2024-11-09 06:59:42,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:59:42,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:42,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:42,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1598375661, now seen corresponding path program 1 times [2024-11-09 06:59:42,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:42,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905607827] [2024-11-09 06:59:42,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:42,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:42,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:42,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905607827] [2024-11-09 06:59:42,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905607827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:42,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:42,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:42,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703635686] [2024-11-09 06:59:42,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:42,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:42,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:42,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:42,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:43,012 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1106 [2024-11-09 06:59:43,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1057 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-09 06:59:43,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:43,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1106 [2024-11-09 06:59:43,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:43,880 INFO L124 PetriNetUnfolderBase]: 168/3831 cut-off events. [2024-11-09 06:59:43,880 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-09 06:59:43,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3885 conditions, 3831 events. 168/3831 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 25916 event pairs, 10 based on Foata normal form. 0/3042 useless extension candidates. Maximal degree in co-relation 3812. Up to 35 conditions per place. [2024-11-09 06:59:43,997 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 14 selfloop transitions, 2 changer transitions 0/1056 dead transitions. [2024-11-09 06:59:43,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1056 transitions, 2154 flow [2024-11-09 06:59:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3221 transitions. [2024-11-09 06:59:44,002 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9707655213984328 [2024-11-09 06:59:44,003 INFO L175 Difference]: Start difference. First operand has 1025 places, 1057 transitions, 2124 flow. Second operand 3 states and 3221 transitions. [2024-11-09 06:59:44,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1056 transitions, 2154 flow [2024-11-09 06:59:44,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1056 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:44,013 INFO L231 Difference]: Finished difference. Result has 1024 places, 1056 transitions, 2122 flow [2024-11-09 06:59:44,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=1022, 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=1024, PETRI_TRANSITIONS=1056} [2024-11-09 06:59:44,015 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -12 predicate places. [2024-11-09 06:59:44,015 INFO L471 AbstractCegarLoop]: Abstraction has has 1024 places, 1056 transitions, 2122 flow [2024-11-09 06:59:44,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-09 06:59:44,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:44,016 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] [2024-11-09 06:59:44,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:59:44,017 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:44,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:44,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1905169515, now seen corresponding path program 1 times [2024-11-09 06:59:44,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:44,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16308053] [2024-11-09 06:59:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:44,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:44,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16308053] [2024-11-09 06:59:44,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16308053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:44,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:44,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:44,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722321217] [2024-11-09 06:59:44,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:44,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:44,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:44,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:44,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:44,102 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 1106 [2024-11-09 06:59:44,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1056 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 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) [2024-11-09 06:59:44,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:44,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 1106 [2024-11-09 06:59:44,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:46,717 INFO L124 PetriNetUnfolderBase]: 350/7715 cut-off events. [2024-11-09 06:59:46,717 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-09 06:59:46,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7818 conditions, 7715 events. 350/7715 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 68253 event pairs, 24 based on Foata normal form. 0/6092 useless extension candidates. Maximal degree in co-relation 7737. Up to 70 conditions per place. [2024-11-09 06:59:47,081 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 21 selfloop transitions, 2 changer transitions 0/1055 dead transitions. [2024-11-09 06:59:47,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1055 transitions, 2166 flow [2024-11-09 06:59:47,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3207 transitions. [2024-11-09 06:59:47,087 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9665461121157324 [2024-11-09 06:59:47,087 INFO L175 Difference]: Start difference. First operand has 1024 places, 1056 transitions, 2122 flow. Second operand 3 states and 3207 transitions. [2024-11-09 06:59:47,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1055 transitions, 2166 flow [2024-11-09 06:59:47,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1055 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:47,101 INFO L231 Difference]: Finished difference. Result has 1023 places, 1055 transitions, 2120 flow [2024-11-09 06:59:47,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=1021, 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=1023, PETRI_TRANSITIONS=1055} [2024-11-09 06:59:47,103 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -13 predicate places. [2024-11-09 06:59:47,103 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1055 transitions, 2120 flow [2024-11-09 06:59:47,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 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) [2024-11-09 06:59:47,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:47,106 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] [2024-11-09 06:59:47,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:59:47,107 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:47,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:47,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1555495033, now seen corresponding path program 1 times [2024-11-09 06:59:47,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:47,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357179773] [2024-11-09 06:59:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:47,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:47,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357179773] [2024-11-09 06:59:47,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357179773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:47,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:47,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:47,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531740780] [2024-11-09 06:59:47,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:47,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:47,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:47,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:47,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:47,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1106 [2024-11-09 06:59:47,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1055 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 06:59:47,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:47,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1106 [2024-11-09 06:59:47,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:48,491 INFO L124 PetriNetUnfolderBase]: 150/3278 cut-off events. [2024-11-09 06:59:48,492 INFO L125 PetriNetUnfolderBase]: For 9/33 co-relation queries the response was YES. [2024-11-09 06:59:48,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3346 conditions, 3278 events. 150/3278 cut-off events. For 9/33 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 21542 event pairs, 16 based on Foata normal form. 0/2607 useless extension candidates. Maximal degree in co-relation 3257. Up to 51 conditions per place. [2024-11-09 06:59:48,717 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 18 selfloop transitions, 2 changer transitions 0/1054 dead transitions. [2024-11-09 06:59:48,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1054 transitions, 2158 flow [2024-11-09 06:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-09 06:59:48,723 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-09 06:59:48,723 INFO L175 Difference]: Start difference. First operand has 1023 places, 1055 transitions, 2120 flow. Second operand 3 states and 3213 transitions. [2024-11-09 06:59:48,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1054 transitions, 2158 flow [2024-11-09 06:59:48,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1054 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:48,740 INFO L231 Difference]: Finished difference. Result has 1022 places, 1054 transitions, 2118 flow [2024-11-09 06:59:48,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=1020, 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=1022, PETRI_TRANSITIONS=1054} [2024-11-09 06:59:48,742 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -14 predicate places. [2024-11-09 06:59:48,742 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1054 transitions, 2118 flow [2024-11-09 06:59:48,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 06:59:48,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:48,745 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] [2024-11-09 06:59:48,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:59:48,745 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:48,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:48,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1245634287, now seen corresponding path program 1 times [2024-11-09 06:59:48,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:48,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801871680] [2024-11-09 06:59:48,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:48,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:48,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:48,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801871680] [2024-11-09 06:59:48,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801871680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:48,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:48,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:48,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514799464] [2024-11-09 06:59:48,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:48,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:48,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:48,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:48,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:48,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1106 [2024-11-09 06:59:48,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1054 transitions, 2118 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) [2024-11-09 06:59:48,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:48,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1106 [2024-11-09 06:59:48,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:49,370 INFO L124 PetriNetUnfolderBase]: 74/1603 cut-off events. [2024-11-09 06:59:49,371 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2024-11-09 06:59:49,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 1603 events. 74/1603 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7775 event pairs, 12 based on Foata normal form. 0/1291 useless extension candidates. Maximal degree in co-relation 1561. Up to 40 conditions per place. [2024-11-09 06:59:49,466 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 15 selfloop transitions, 2 changer transitions 0/1053 dead transitions. [2024-11-09 06:59:49,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1053 transitions, 2150 flow [2024-11-09 06:59:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-09 06:59:49,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9701627486437613 [2024-11-09 06:59:49,471 INFO L175 Difference]: Start difference. First operand has 1022 places, 1054 transitions, 2118 flow. Second operand 3 states and 3219 transitions. [2024-11-09 06:59:49,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1053 transitions, 2150 flow [2024-11-09 06:59:49,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1053 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:49,487 INFO L231 Difference]: Finished difference. Result has 1021 places, 1053 transitions, 2116 flow [2024-11-09 06:59:49,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2112, PETRI_DIFFERENCE_MINUEND_PLACES=1019, 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=1021, PETRI_TRANSITIONS=1053} [2024-11-09 06:59:49,489 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -15 predicate places. [2024-11-09 06:59:49,489 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1053 transitions, 2116 flow [2024-11-09 06:59:49,491 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) [2024-11-09 06:59:49,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:49,492 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] [2024-11-09 06:59:49,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:59:49,492 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:49,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:49,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1361204315, now seen corresponding path program 1 times [2024-11-09 06:59:49,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:49,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358108405] [2024-11-09 06:59:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:49,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:49,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:49,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358108405] [2024-11-09 06:59:49,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358108405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:49,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:49,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:49,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769896342] [2024-11-09 06:59:49,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:49,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:49,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:49,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:49,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:49,552 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1106 [2024-11-09 06:59:49,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1053 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-09 06:59:49,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:49,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1106 [2024-11-09 06:59:49,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:50,427 INFO L124 PetriNetUnfolderBase]: 108/2442 cut-off events. [2024-11-09 06:59:50,427 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-09 06:59:50,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2491 conditions, 2442 events. 108/2442 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13592 event pairs, 10 based on Foata normal form. 0/1955 useless extension candidates. Maximal degree in co-relation 2386. Up to 35 conditions per place. [2024-11-09 06:59:50,565 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 14 selfloop transitions, 2 changer transitions 0/1052 dead transitions. [2024-11-09 06:59:50,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1052 transitions, 2146 flow [2024-11-09 06:59:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3221 transitions. [2024-11-09 06:59:50,570 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9707655213984328 [2024-11-09 06:59:50,570 INFO L175 Difference]: Start difference. First operand has 1021 places, 1053 transitions, 2116 flow. Second operand 3 states and 3221 transitions. [2024-11-09 06:59:50,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1052 transitions, 2146 flow [2024-11-09 06:59:50,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1020 places, 1052 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:50,586 INFO L231 Difference]: Finished difference. Result has 1020 places, 1052 transitions, 2114 flow [2024-11-09 06:59:50,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=1018, 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=1020, PETRI_TRANSITIONS=1052} [2024-11-09 06:59:50,588 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -16 predicate places. [2024-11-09 06:59:50,588 INFO L471 AbstractCegarLoop]: Abstraction has has 1020 places, 1052 transitions, 2114 flow [2024-11-09 06:59:50,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-09 06:59:50,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:50,590 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] [2024-11-09 06:59:50,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:59:50,591 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:50,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:50,591 INFO L85 PathProgramCache]: Analyzing trace with hash 484561979, now seen corresponding path program 1 times [2024-11-09 06:59:50,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:50,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049145004] [2024-11-09 06:59:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:50,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:50,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049145004] [2024-11-09 06:59:50,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049145004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:50,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:50,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:50,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981453818] [2024-11-09 06:59:50,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:50,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:50,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:50,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:50,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:50,682 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 1106 [2024-11-09 06:59:50,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1020 places, 1052 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 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) [2024-11-09 06:59:50,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:50,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 1106 [2024-11-09 06:59:50,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:52,505 INFO L124 PetriNetUnfolderBase]: 206/4387 cut-off events. [2024-11-09 06:59:52,506 INFO L125 PetriNetUnfolderBase]: For 13/111 co-relation queries the response was YES. [2024-11-09 06:59:52,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4478 conditions, 4387 events. 206/4387 cut-off events. For 13/111 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 32370 event pairs, 24 based on Foata normal form. 0/3476 useless extension candidates. Maximal degree in co-relation 4365. Up to 70 conditions per place. [2024-11-09 06:59:52,783 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 21 selfloop transitions, 2 changer transitions 0/1051 dead transitions. [2024-11-09 06:59:52,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1021 places, 1051 transitions, 2158 flow [2024-11-09 06:59:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3207 transitions. [2024-11-09 06:59:52,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9665461121157324 [2024-11-09 06:59:52,788 INFO L175 Difference]: Start difference. First operand has 1020 places, 1052 transitions, 2114 flow. Second operand 3 states and 3207 transitions. [2024-11-09 06:59:52,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1021 places, 1051 transitions, 2158 flow [2024-11-09 06:59:52,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1019 places, 1051 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:52,804 INFO L231 Difference]: Finished difference. Result has 1019 places, 1051 transitions, 2112 flow [2024-11-09 06:59:52,806 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=1017, 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=1019, PETRI_TRANSITIONS=1051} [2024-11-09 06:59:52,806 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -17 predicate places. [2024-11-09 06:59:52,807 INFO L471 AbstractCegarLoop]: Abstraction has has 1019 places, 1051 transitions, 2112 flow [2024-11-09 06:59:52,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 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) [2024-11-09 06:59:52,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:52,808 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] [2024-11-09 06:59:52,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:59:52,808 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:52,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:52,809 INFO L85 PathProgramCache]: Analyzing trace with hash -966062997, now seen corresponding path program 1 times [2024-11-09 06:59:52,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:52,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522312456] [2024-11-09 06:59:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:52,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:52,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:52,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522312456] [2024-11-09 06:59:52,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522312456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:52,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:52,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:52,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442972317] [2024-11-09 06:59:52,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:52,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:52,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:52,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:52,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:52,906 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1106 [2024-11-09 06:59:52,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1019 places, 1051 transitions, 2112 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 06:59:52,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:52,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1106 [2024-11-09 06:59:52,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:53,341 INFO L124 PetriNetUnfolderBase]: 78/1568 cut-off events. [2024-11-09 06:59:53,341 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-09 06:59:53,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1630 conditions, 1568 events. 78/1568 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7422 event pairs, 16 based on Foata normal form. 0/1272 useless extension candidates. Maximal degree in co-relation 1509. Up to 53 conditions per place. [2024-11-09 06:59:53,402 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 18 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-09 06:59:53,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1020 places, 1050 transitions, 2150 flow [2024-11-09 06:59:53,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-09 06:59:53,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-09 06:59:53,407 INFO L175 Difference]: Start difference. First operand has 1019 places, 1051 transitions, 2112 flow. Second operand 3 states and 3213 transitions. [2024-11-09 06:59:53,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1020 places, 1050 transitions, 2150 flow [2024-11-09 06:59:53,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1018 places, 1050 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:53,420 INFO L231 Difference]: Finished difference. Result has 1018 places, 1050 transitions, 2110 flow [2024-11-09 06:59:53,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=1016, 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=1018, PETRI_TRANSITIONS=1050} [2024-11-09 06:59:53,422 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -18 predicate places. [2024-11-09 06:59:53,422 INFO L471 AbstractCegarLoop]: Abstraction has has 1018 places, 1050 transitions, 2110 flow [2024-11-09 06:59:53,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 06:59:53,423 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:53,424 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] [2024-11-09 06:59:53,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:59:53,424 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:53,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:53,424 INFO L85 PathProgramCache]: Analyzing trace with hash -622267050, now seen corresponding path program 1 times [2024-11-09 06:59:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:53,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044143480] [2024-11-09 06:59:53,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:53,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:53,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:53,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:53,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044143480] [2024-11-09 06:59:53,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044143480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:53,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:53,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:53,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195745155] [2024-11-09 06:59:53,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:53,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:53,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:53,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:53,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:53,499 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1106 [2024-11-09 06:59:53,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1018 places, 1050 transitions, 2110 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) [2024-11-09 06:59:53,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:53,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1106 [2024-11-09 06:59:53,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:53,802 INFO L124 PetriNetUnfolderBase]: 74/1599 cut-off events. [2024-11-09 06:59:53,802 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-09 06:59:53,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1648 conditions, 1599 events. 74/1599 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7287 event pairs, 12 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 1519. Up to 40 conditions per place. [2024-11-09 06:59:53,860 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 15 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-09 06:59:53,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1019 places, 1049 transitions, 2142 flow [2024-11-09 06:59:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:53,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3219 transitions. [2024-11-09 06:59:53,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9701627486437613 [2024-11-09 06:59:53,864 INFO L175 Difference]: Start difference. First operand has 1018 places, 1050 transitions, 2110 flow. Second operand 3 states and 3219 transitions. [2024-11-09 06:59:53,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1019 places, 1049 transitions, 2142 flow [2024-11-09 06:59:53,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1049 transitions, 2138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:53,876 INFO L231 Difference]: Finished difference. Result has 1017 places, 1049 transitions, 2108 flow [2024-11-09 06:59:53,877 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1047, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2108, PETRI_PLACES=1017, PETRI_TRANSITIONS=1049} [2024-11-09 06:59:53,878 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -19 predicate places. [2024-11-09 06:59:53,878 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1049 transitions, 2108 flow [2024-11-09 06:59:53,879 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) [2024-11-09 06:59:53,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:53,879 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] [2024-11-09 06:59:53,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:59:53,879 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:53,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:53,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1667660237, now seen corresponding path program 1 times [2024-11-09 06:59:53,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:53,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526924321] [2024-11-09 06:59:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:53,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:53,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526924321] [2024-11-09 06:59:53,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526924321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:53,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:53,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:53,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521588231] [2024-11-09 06:59:53,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:53,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:53,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:53,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:53,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:53,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 1106 [2024-11-09 06:59:53,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1049 transitions, 2108 flow. Second operand has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-09 06:59:53,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:53,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 1106 [2024-11-09 06:59:53,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:54,157 INFO L124 PetriNetUnfolderBase]: 48/1068 cut-off events. [2024-11-09 06:59:54,158 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-09 06:59:54,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 1068 events. 48/1068 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4354 event pairs, 10 based on Foata normal form. 0/884 useless extension candidates. Maximal degree in co-relation 975. Up to 35 conditions per place. [2024-11-09 06:59:54,204 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 14 selfloop transitions, 2 changer transitions 0/1048 dead transitions. [2024-11-09 06:59:54,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1048 transitions, 2138 flow [2024-11-09 06:59:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3221 transitions. [2024-11-09 06:59:54,208 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9707655213984328 [2024-11-09 06:59:54,208 INFO L175 Difference]: Start difference. First operand has 1017 places, 1049 transitions, 2108 flow. Second operand 3 states and 3221 transitions. [2024-11-09 06:59:54,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1048 transitions, 2138 flow [2024-11-09 06:59:54,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1048 transitions, 2134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:54,220 INFO L231 Difference]: Finished difference. Result has 1016 places, 1048 transitions, 2106 flow [2024-11-09 06:59:54,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=1014, 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=1016, PETRI_TRANSITIONS=1048} [2024-11-09 06:59:54,221 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -20 predicate places. [2024-11-09 06:59:54,222 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1048 transitions, 2106 flow [2024-11-09 06:59:54,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.3333333333333) internal successors, (3208), 3 states have internal predecessors, (3208), 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) [2024-11-09 06:59:54,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:54,222 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] [2024-11-09 06:59:54,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:59:54,223 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:54,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:54,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1330654382, now seen corresponding path program 1 times [2024-11-09 06:59:54,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:54,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308112354] [2024-11-09 06:59:54,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:54,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:54,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308112354] [2024-11-09 06:59:54,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308112354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:54,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:54,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:54,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100651743] [2024-11-09 06:59:54,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:54,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:54,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:54,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:54,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:54,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 1106 [2024-11-09 06:59:54,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1048 transitions, 2106 flow. Second operand has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 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) [2024-11-09 06:59:54,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:54,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 1106 [2024-11-09 06:59:54,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:54,596 INFO L124 PetriNetUnfolderBase]: 86/1597 cut-off events. [2024-11-09 06:59:54,596 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-09 06:59:54,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 1597 events. 86/1597 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8317 event pairs, 24 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 1531. Up to 70 conditions per place. [2024-11-09 06:59:54,660 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 21 selfloop transitions, 2 changer transitions 0/1047 dead transitions. [2024-11-09 06:59:54,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1047 transitions, 2150 flow [2024-11-09 06:59:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3207 transitions. [2024-11-09 06:59:54,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9665461121157324 [2024-11-09 06:59:54,664 INFO L175 Difference]: Start difference. First operand has 1016 places, 1048 transitions, 2106 flow. Second operand 3 states and 3207 transitions. [2024-11-09 06:59:54,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1047 transitions, 2150 flow [2024-11-09 06:59:54,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1015 places, 1047 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:54,678 INFO L231 Difference]: Finished difference. Result has 1015 places, 1047 transitions, 2104 flow [2024-11-09 06:59:54,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=1013, 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=1015, PETRI_TRANSITIONS=1047} [2024-11-09 06:59:54,681 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -21 predicate places. [2024-11-09 06:59:54,681 INFO L471 AbstractCegarLoop]: Abstraction has has 1015 places, 1047 transitions, 2104 flow [2024-11-09 06:59:54,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1062.3333333333333) internal successors, (3187), 3 states have internal predecessors, (3187), 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) [2024-11-09 06:59:54,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:54,682 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] [2024-11-09 06:59:54,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:59:54,683 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:54,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:54,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1334523779, now seen corresponding path program 1 times [2024-11-09 06:59:54,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:54,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268461945] [2024-11-09 06:59:54,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:54,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:54,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:54,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268461945] [2024-11-09 06:59:54,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268461945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:54,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:54,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:54,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164732501] [2024-11-09 06:59:54,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:54,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:54,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:54,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:54,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:54,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1106 [2024-11-09 06:59:54,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 1047 transitions, 2104 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) [2024-11-09 06:59:54,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:54,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1106 [2024-11-09 06:59:54,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:55,263 INFO L124 PetriNetUnfolderBase]: 122/2607 cut-off events. [2024-11-09 06:59:55,264 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-09 06:59:55,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 2607 events. 122/2607 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 14372 event pairs, 15 based on Foata normal form. 0/2089 useless extension candidates. Maximal degree in co-relation 2510. Up to 43 conditions per place. [2024-11-09 06:59:55,365 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 12 selfloop transitions, 2 changer transitions 0/1046 dead transitions. [2024-11-09 06:59:55,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1016 places, 1046 transitions, 2130 flow [2024-11-09 06:59:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:55,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-09 06:59:55,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9719710669077758 [2024-11-09 06:59:55,373 INFO L175 Difference]: Start difference. First operand has 1015 places, 1047 transitions, 2104 flow. Second operand 3 states and 3225 transitions. [2024-11-09 06:59:55,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1016 places, 1046 transitions, 2130 flow [2024-11-09 06:59:55,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1014 places, 1046 transitions, 2126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:55,386 INFO L231 Difference]: Finished difference. Result has 1014 places, 1046 transitions, 2102 flow [2024-11-09 06:59:55,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=1012, 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=1014, PETRI_TRANSITIONS=1046} [2024-11-09 06:59:55,388 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -22 predicate places. [2024-11-09 06:59:55,388 INFO L471 AbstractCegarLoop]: Abstraction has has 1014 places, 1046 transitions, 2102 flow [2024-11-09 06:59:55,389 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) [2024-11-09 06:59:55,389 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:55,389 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] [2024-11-09 06:59:55,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:59:55,389 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:55,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1394466980, now seen corresponding path program 1 times [2024-11-09 06:59:55,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:55,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462761952] [2024-11-09 06:59:55,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:55,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:55,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:55,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462761952] [2024-11-09 06:59:55,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462761952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:55,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:55,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:55,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945030107] [2024-11-09 06:59:55,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:55,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:55,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:55,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:55,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:59:56,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1054 out of 1106 [2024-11-09 06:59:56,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1014 places, 1046 transitions, 2102 flow. Second operand has 6 states, 6 states have (on average 1055.5) internal successors, (6333), 6 states have internal predecessors, (6333), 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) [2024-11-09 06:59:56,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:56,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1054 of 1106 [2024-11-09 06:59:56,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:59,045 INFO L124 PetriNetUnfolderBase]: 894/12786 cut-off events. [2024-11-09 06:59:59,045 INFO L125 PetriNetUnfolderBase]: For 59/69 co-relation queries the response was YES. [2024-11-09 06:59:59,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13406 conditions, 12786 events. 894/12786 cut-off events. For 59/69 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 132265 event pairs, 264 based on Foata normal form. 0/10058 useless extension candidates. Maximal degree in co-relation 13194. Up to 580 conditions per place. [2024-11-09 06:59:59,534 INFO L140 encePairwiseOnDemand]: 1100/1106 looper letters, 26 selfloop transitions, 5 changer transitions 0/1045 dead transitions. [2024-11-09 06:59:59,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1045 transitions, 2162 flow [2024-11-09 06:59:59,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:59:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:59:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6356 transitions. [2024-11-09 06:59:59,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9578059071729957 [2024-11-09 06:59:59,548 INFO L175 Difference]: Start difference. First operand has 1014 places, 1046 transitions, 2102 flow. Second operand 6 states and 6356 transitions. [2024-11-09 06:59:59,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1045 transitions, 2162 flow [2024-11-09 06:59:59,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1045 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:59,562 INFO L231 Difference]: Finished difference. Result has 1016 places, 1045 transitions, 2106 flow [2024-11-09 06:59:59,563 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2096, PETRI_DIFFERENCE_MINUEND_PLACES=1011, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1040, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2106, PETRI_PLACES=1016, PETRI_TRANSITIONS=1045} [2024-11-09 06:59:59,563 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -20 predicate places. [2024-11-09 06:59:59,564 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1045 transitions, 2106 flow [2024-11-09 06:59:59,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1055.5) internal successors, (6333), 6 states have internal predecessors, (6333), 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) [2024-11-09 06:59:59,568 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:59,568 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] [2024-11-09 06:59:59,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:59:59,568 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 06:59:59,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:59,569 INFO L85 PathProgramCache]: Analyzing trace with hash -722575298, now seen corresponding path program 1 times [2024-11-09 06:59:59,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:59,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839821987] [2024-11-09 06:59:59,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:59,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:59,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:59,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839821987] [2024-11-09 06:59:59,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839821987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:59,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:59,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:59,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19683112] [2024-11-09 06:59:59,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:59,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:59,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:59,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:59,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:59,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1106 [2024-11-09 06:59:59,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1045 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) [2024-11-09 06:59:59,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:59,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1106 [2024-11-09 06:59:59,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:00,011 INFO L124 PetriNetUnfolderBase]: 80/1600 cut-off events. [2024-11-09 07:00:00,011 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 07:00:00,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1600 events. 80/1600 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8241 event pairs, 14 based on Foata normal form. 0/1301 useless extension candidates. Maximal degree in co-relation 1663. Up to 43 conditions per place. [2024-11-09 07:00:00,088 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 16 selfloop transitions, 2 changer transitions 0/1046 dead transitions. [2024-11-09 07:00:00,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1046 transitions, 2146 flow [2024-11-09 07:00:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:00,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-09 07:00:00,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9722724532851115 [2024-11-09 07:00:00,092 INFO L175 Difference]: Start difference. First operand has 1016 places, 1045 transitions, 2106 flow. Second operand 3 states and 3226 transitions. [2024-11-09 07:00:00,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1046 transitions, 2146 flow [2024-11-09 07:00:00,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1012 places, 1046 transitions, 2136 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:00:00,104 INFO L231 Difference]: Finished difference. Result has 1012 places, 1044 transitions, 2098 flow [2024-11-09 07:00:00,105 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=1010, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1044, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1042, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2098, PETRI_PLACES=1012, PETRI_TRANSITIONS=1044} [2024-11-09 07:00:00,105 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -24 predicate places. [2024-11-09 07:00:00,105 INFO L471 AbstractCegarLoop]: Abstraction has has 1012 places, 1044 transitions, 2098 flow [2024-11-09 07:00:00,106 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) [2024-11-09 07:00:00,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:00,106 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] [2024-11-09 07:00:00,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 07:00:00,106 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:00,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:00,107 INFO L85 PathProgramCache]: Analyzing trace with hash -667680966, now seen corresponding path program 1 times [2024-11-09 07:00:00,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:00,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277355858] [2024-11-09 07:00:00,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:00,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:00,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:00,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277355858] [2024-11-09 07:00:00,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277355858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:00,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:00,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:00,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915782775] [2024-11-09 07:00:00,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:00,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:00,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:00,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:00,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:00,194 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 07:00:00,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1012 places, 1044 transitions, 2098 flow. Second operand has 3 states, 3 states have (on average 1064.6666666666667) internal successors, (3194), 3 states have internal predecessors, (3194), 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) [2024-11-09 07:00:00,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:00,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 07:00:00,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:00,665 INFO L124 PetriNetUnfolderBase]: 116/2150 cut-off events. [2024-11-09 07:00:00,665 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 07:00:00,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2270 conditions, 2150 events. 116/2150 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13227 event pairs, 26 based on Foata normal form. 0/1736 useless extension candidates. Maximal degree in co-relation 2058. Up to 73 conditions per place. [2024-11-09 07:00:00,749 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 2 changer transitions 0/1045 dead transitions. [2024-11-09 07:00:00,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1013 places, 1045 transitions, 2150 flow [2024-11-09 07:00:00,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-09 07:00:00,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686558167570826 [2024-11-09 07:00:00,753 INFO L175 Difference]: Start difference. First operand has 1012 places, 1044 transitions, 2098 flow. Second operand 3 states and 3214 transitions. [2024-11-09 07:00:00,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1013 places, 1045 transitions, 2150 flow [2024-11-09 07:00:00,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1011 places, 1045 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:00,763 INFO L231 Difference]: Finished difference. Result has 1011 places, 1043 transitions, 2096 flow [2024-11-09 07:00:00,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2092, PETRI_DIFFERENCE_MINUEND_PLACES=1009, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1043, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1041, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2096, PETRI_PLACES=1011, PETRI_TRANSITIONS=1043} [2024-11-09 07:00:00,764 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -25 predicate places. [2024-11-09 07:00:00,765 INFO L471 AbstractCegarLoop]: Abstraction has has 1011 places, 1043 transitions, 2096 flow [2024-11-09 07:00:00,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.6666666666667) internal successors, (3194), 3 states have internal predecessors, (3194), 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) [2024-11-09 07:00:00,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:00,765 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] [2024-11-09 07:00:00,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 07:00:00,766 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:00,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:00,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1092004558, now seen corresponding path program 1 times [2024-11-09 07:00:00,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:00,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417462725] [2024-11-09 07:00:00,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:00,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:00,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:00,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417462725] [2024-11-09 07:00:00,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417462725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:00,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:00,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:00,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93354786] [2024-11-09 07:00:00,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:00,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:00,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:00,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:00,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1106 [2024-11-09 07:00:00,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1011 places, 1043 transitions, 2096 flow. Second operand has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 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) [2024-11-09 07:00:00,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:00,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1106 [2024-11-09 07:00:00,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:01,244 INFO L124 PetriNetUnfolderBase]: 92/1872 cut-off events. [2024-11-09 07:00:01,245 INFO L125 PetriNetUnfolderBase]: For 11/37 co-relation queries the response was YES. [2024-11-09 07:00:01,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1941 conditions, 1872 events. 92/1872 cut-off events. For 11/37 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 10196 event pairs, 4 based on Foata normal form. 0/1511 useless extension candidates. Maximal degree in co-relation 1724. Up to 43 conditions per place. [2024-11-09 07:00:01,343 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 16 selfloop transitions, 2 changer transitions 0/1044 dead transitions. [2024-11-09 07:00:01,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1012 places, 1044 transitions, 2136 flow [2024-11-09 07:00:01,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:01,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-09 07:00:01,347 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9722724532851115 [2024-11-09 07:00:01,347 INFO L175 Difference]: Start difference. First operand has 1011 places, 1043 transitions, 2096 flow. Second operand 3 states and 3226 transitions. [2024-11-09 07:00:01,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1012 places, 1044 transitions, 2136 flow [2024-11-09 07:00:01,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1010 places, 1044 transitions, 2132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:01,357 INFO L231 Difference]: Finished difference. Result has 1010 places, 1042 transitions, 2094 flow [2024-11-09 07:00:01,358 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2090, PETRI_DIFFERENCE_MINUEND_PLACES=1008, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1040, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2094, PETRI_PLACES=1010, PETRI_TRANSITIONS=1042} [2024-11-09 07:00:01,359 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -26 predicate places. [2024-11-09 07:00:01,359 INFO L471 AbstractCegarLoop]: Abstraction has has 1010 places, 1042 transitions, 2094 flow [2024-11-09 07:00:01,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 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) [2024-11-09 07:00:01,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:01,360 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] [2024-11-09 07:00:01,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 07:00:01,360 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:01,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:01,360 INFO L85 PathProgramCache]: Analyzing trace with hash -887636733, now seen corresponding path program 1 times [2024-11-09 07:00:01,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:01,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562442603] [2024-11-09 07:00:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:01,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:01,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562442603] [2024-11-09 07:00:01,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562442603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:01,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:01,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:01,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604116834] [2024-11-09 07:00:01,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:01,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:01,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:01,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:01,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:01,435 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1106 [2024-11-09 07:00:01,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1010 places, 1042 transitions, 2094 flow. Second operand has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 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) [2024-11-09 07:00:01,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:01,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1106 [2024-11-09 07:00:01,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:03,149 INFO L124 PetriNetUnfolderBase]: 441/6237 cut-off events. [2024-11-09 07:00:03,149 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-09 07:00:03,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6608 conditions, 6237 events. 441/6237 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 51521 event pairs, 110 based on Foata normal form. 0/4991 useless extension candidates. Maximal degree in co-relation 6094. Up to 339 conditions per place. [2024-11-09 07:00:03,530 INFO L140 encePairwiseOnDemand]: 1094/1106 looper letters, 29 selfloop transitions, 2 changer transitions 0/1036 dead transitions. [2024-11-09 07:00:03,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1002 places, 1036 transitions, 2146 flow [2024-11-09 07:00:03,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3188 transitions. [2024-11-09 07:00:03,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608197709463532 [2024-11-09 07:00:03,532 INFO L175 Difference]: Start difference. First operand has 1010 places, 1042 transitions, 2094 flow. Second operand 3 states and 3188 transitions. [2024-11-09 07:00:03,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1002 places, 1036 transitions, 2146 flow [2024-11-09 07:00:03,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1000 places, 1036 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:03,548 INFO L231 Difference]: Finished difference. Result has 1001 places, 1034 transitions, 2084 flow [2024-11-09 07:00:03,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2070, PETRI_DIFFERENCE_MINUEND_PLACES=998, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1032, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1030, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2084, PETRI_PLACES=1001, PETRI_TRANSITIONS=1034} [2024-11-09 07:00:03,550 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -35 predicate places. [2024-11-09 07:00:03,550 INFO L471 AbstractCegarLoop]: Abstraction has has 1001 places, 1034 transitions, 2084 flow [2024-11-09 07:00:03,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 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) [2024-11-09 07:00:03,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:03,551 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] [2024-11-09 07:00:03,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 07:00:03,551 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:03,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:03,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1679671333, now seen corresponding path program 1 times [2024-11-09 07:00:03,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:03,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158563265] [2024-11-09 07:00:03,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:03,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:03,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:03,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158563265] [2024-11-09 07:00:03,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158563265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:03,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:03,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:03,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114492159] [2024-11-09 07:00:03,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:03,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:03,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:03,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:03,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:03,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1106 [2024-11-09 07:00:03,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1001 places, 1034 transitions, 2084 flow. Second operand has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 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) [2024-11-09 07:00:03,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:03,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1106 [2024-11-09 07:00:03,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:06,179 INFO L124 PetriNetUnfolderBase]: 859/10615 cut-off events. [2024-11-09 07:00:06,179 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-09 07:00:06,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11421 conditions, 10615 events. 859/10615 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 101472 event pairs, 190 based on Foata normal form. 0/8539 useless extension candidates. Maximal degree in co-relation 10945. Up to 660 conditions per place. [2024-11-09 07:00:06,747 INFO L140 encePairwiseOnDemand]: 1094/1106 looper letters, 29 selfloop transitions, 2 changer transitions 0/1028 dead transitions. [2024-11-09 07:00:06,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1028 transitions, 2136 flow [2024-11-09 07:00:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3188 transitions. [2024-11-09 07:00:06,749 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608197709463532 [2024-11-09 07:00:06,749 INFO L175 Difference]: Start difference. First operand has 1001 places, 1034 transitions, 2084 flow. Second operand 3 states and 3188 transitions. [2024-11-09 07:00:06,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1028 transitions, 2136 flow [2024-11-09 07:00:06,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 993 places, 1028 transitions, 2136 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:06,760 INFO L231 Difference]: Finished difference. Result has 994 places, 1026 transitions, 2078 flow [2024-11-09 07:00:06,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2064, PETRI_DIFFERENCE_MINUEND_PLACES=991, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1022, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2078, PETRI_PLACES=994, PETRI_TRANSITIONS=1026} [2024-11-09 07:00:06,761 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -42 predicate places. [2024-11-09 07:00:06,762 INFO L471 AbstractCegarLoop]: Abstraction has has 994 places, 1026 transitions, 2078 flow [2024-11-09 07:00:06,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 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) [2024-11-09 07:00:06,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:06,762 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, 1] [2024-11-09 07:00:06,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 07:00:06,763 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:06,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:06,763 INFO L85 PathProgramCache]: Analyzing trace with hash 287660671, now seen corresponding path program 1 times [2024-11-09 07:00:06,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:06,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81726979] [2024-11-09 07:00:06,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:06,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:06,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:06,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81726979] [2024-11-09 07:00:06,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81726979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:06,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:06,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:06,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460008291] [2024-11-09 07:00:06,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:06,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:06,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:06,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:06,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:06,837 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 07:00:06,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 1026 transitions, 2078 flow. Second operand has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 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) [2024-11-09 07:00:06,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:06,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 07:00:06,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:07,493 INFO L124 PetriNetUnfolderBase]: 167/2867 cut-off events. [2024-11-09 07:00:07,493 INFO L125 PetriNetUnfolderBase]: For 17/44 co-relation queries the response was YES. [2024-11-09 07:00:07,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3036 conditions, 2867 events. 167/2867 cut-off events. For 17/44 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 20490 event pairs, 26 based on Foata normal form. 0/2338 useless extension candidates. Maximal degree in co-relation 2301. Up to 106 conditions per place. [2024-11-09 07:00:07,630 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 2 changer transitions 0/1027 dead transitions. [2024-11-09 07:00:07,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 995 places, 1027 transitions, 2130 flow [2024-11-09 07:00:07,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-09 07:00:07,632 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686558167570826 [2024-11-09 07:00:07,632 INFO L175 Difference]: Start difference. First operand has 994 places, 1026 transitions, 2078 flow. Second operand 3 states and 3214 transitions. [2024-11-09 07:00:07,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 995 places, 1027 transitions, 2130 flow [2024-11-09 07:00:07,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 995 places, 1027 transitions, 2130 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:07,643 INFO L231 Difference]: Finished difference. Result has 995 places, 1025 transitions, 2080 flow [2024-11-09 07:00:07,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2076, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1023, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2080, PETRI_PLACES=995, PETRI_TRANSITIONS=1025} [2024-11-09 07:00:07,644 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -41 predicate places. [2024-11-09 07:00:07,644 INFO L471 AbstractCegarLoop]: Abstraction has has 995 places, 1025 transitions, 2080 flow [2024-11-09 07:00:07,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 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) [2024-11-09 07:00:07,645 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:07,646 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, 1, 1] [2024-11-09 07:00:07,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 07:00:07,646 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:07,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:07,646 INFO L85 PathProgramCache]: Analyzing trace with hash -2112964481, now seen corresponding path program 1 times [2024-11-09 07:00:07,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:07,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765777726] [2024-11-09 07:00:07,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:07,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:07,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:07,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:07,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765777726] [2024-11-09 07:00:07,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765777726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:07,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:07,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:07,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895489838] [2024-11-09 07:00:07,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:07,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:07,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:07,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:07,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:07,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1106 [2024-11-09 07:00:07,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 995 places, 1025 transitions, 2080 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) [2024-11-09 07:00:07,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:07,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1106 [2024-11-09 07:00:07,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:08,138 INFO L124 PetriNetUnfolderBase]: 106/2076 cut-off events. [2024-11-09 07:00:08,138 INFO L125 PetriNetUnfolderBase]: For 21/44 co-relation queries the response was YES. [2024-11-09 07:00:08,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2157 conditions, 2076 events. 106/2076 cut-off events. For 21/44 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11731 event pairs, 4 based on Foata normal form. 0/1704 useless extension candidates. Maximal degree in co-relation 1930. Up to 48 conditions per place. [2024-11-09 07:00:08,228 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 16 selfloop transitions, 2 changer transitions 0/1026 dead transitions. [2024-11-09 07:00:08,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 996 places, 1026 transitions, 2120 flow [2024-11-09 07:00:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3226 transitions. [2024-11-09 07:00:08,231 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9722724532851115 [2024-11-09 07:00:08,231 INFO L175 Difference]: Start difference. First operand has 995 places, 1025 transitions, 2080 flow. Second operand 3 states and 3226 transitions. [2024-11-09 07:00:08,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 996 places, 1026 transitions, 2120 flow [2024-11-09 07:00:08,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 994 places, 1026 transitions, 2116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:08,242 INFO L231 Difference]: Finished difference. Result has 994 places, 1024 transitions, 2078 flow [2024-11-09 07:00:08,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=992, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1024, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1022, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2078, PETRI_PLACES=994, PETRI_TRANSITIONS=1024} [2024-11-09 07:00:08,243 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -42 predicate places. [2024-11-09 07:00:08,243 INFO L471 AbstractCegarLoop]: Abstraction has has 994 places, 1024 transitions, 2078 flow [2024-11-09 07:00:08,244 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) [2024-11-09 07:00:08,244 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:08,244 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, 1, 1, 1] [2024-11-09 07:00:08,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 07:00:08,244 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:08,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:08,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1572802719, now seen corresponding path program 1 times [2024-11-09 07:00:08,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:08,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197870600] [2024-11-09 07:00:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:08,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:08,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:08,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197870600] [2024-11-09 07:00:08,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197870600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:08,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:08,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:08,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455964025] [2024-11-09 07:00:08,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:08,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:08,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:08,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:08,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:08,349 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1106 [2024-11-09 07:00:08,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 1024 transitions, 2078 flow. Second operand has 3 states, 3 states have (on average 1061.3333333333333) internal successors, (3184), 3 states have internal predecessors, (3184), 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) [2024-11-09 07:00:08,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:08,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1106 [2024-11-09 07:00:08,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:09,347 INFO L124 PetriNetUnfolderBase]: 192/3769 cut-off events. [2024-11-09 07:00:09,348 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 07:00:09,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3912 conditions, 3769 events. 192/3769 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 25693 event pairs, 8 based on Foata normal form. 0/3078 useless extension candidates. Maximal degree in co-relation 3434. Up to 42 conditions per place. [2024-11-09 07:00:09,529 INFO L140 encePairwiseOnDemand]: 1092/1106 looper letters, 18 selfloop transitions, 9 changer transitions 0/1025 dead transitions. [2024-11-09 07:00:09,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 991 places, 1025 transitions, 2136 flow [2024-11-09 07:00:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3212 transitions. [2024-11-09 07:00:09,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680530440024111 [2024-11-09 07:00:09,532 INFO L175 Difference]: Start difference. First operand has 994 places, 1024 transitions, 2078 flow. Second operand 3 states and 3212 transitions. [2024-11-09 07:00:09,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 991 places, 1025 transitions, 2136 flow [2024-11-09 07:00:09,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 989 places, 1025 transitions, 2132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:09,543 INFO L231 Difference]: Finished difference. Result has 990 places, 1023 transitions, 2107 flow [2024-11-09 07:00:09,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2064, PETRI_DIFFERENCE_MINUEND_PLACES=987, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1019, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1010, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2107, PETRI_PLACES=990, PETRI_TRANSITIONS=1023} [2024-11-09 07:00:09,544 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -46 predicate places. [2024-11-09 07:00:09,544 INFO L471 AbstractCegarLoop]: Abstraction has has 990 places, 1023 transitions, 2107 flow [2024-11-09 07:00:09,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1061.3333333333333) internal successors, (3184), 3 states have internal predecessors, (3184), 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) [2024-11-09 07:00:09,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:09,545 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, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:09,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 07:00:09,545 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:09,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:09,546 INFO L85 PathProgramCache]: Analyzing trace with hash -397593643, now seen corresponding path program 1 times [2024-11-09 07:00:09,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:09,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763608148] [2024-11-09 07:00:09,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:09,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:09,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:09,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763608148] [2024-11-09 07:00:09,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763608148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:09,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:09,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:09,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740117112] [2024-11-09 07:00:09,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:09,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:09,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:09,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:09,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:09,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1106 [2024-11-09 07:00:09,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 990 places, 1023 transitions, 2107 flow. Second operand has 3 states, 3 states have (on average 1050.6666666666667) internal successors, (3152), 3 states have internal predecessors, (3152), 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) [2024-11-09 07:00:09,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:09,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1106 [2024-11-09 07:00:09,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:13,581 INFO L124 PetriNetUnfolderBase]: 1569/19951 cut-off events. [2024-11-09 07:00:13,581 INFO L125 PetriNetUnfolderBase]: For 147/153 co-relation queries the response was YES. [2024-11-09 07:00:14,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21197 conditions, 19951 events. 1569/19951 cut-off events. For 147/153 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 223259 event pairs, 488 based on Foata normal form. 0/16094 useless extension candidates. Maximal degree in co-relation 16212. Up to 1183 conditions per place. [2024-11-09 07:00:14,276 INFO L140 encePairwiseOnDemand]: 1094/1106 looper letters, 29 selfloop transitions, 2 changer transitions 0/1017 dead transitions. [2024-11-09 07:00:14,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 982 places, 1017 transitions, 2159 flow [2024-11-09 07:00:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:14,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3188 transitions. [2024-11-09 07:00:14,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608197709463532 [2024-11-09 07:00:14,279 INFO L175 Difference]: Start difference. First operand has 990 places, 1023 transitions, 2107 flow. Second operand 3 states and 3188 transitions. [2024-11-09 07:00:14,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 982 places, 1017 transitions, 2159 flow [2024-11-09 07:00:14,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 981 places, 1017 transitions, 2150 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:14,297 INFO L231 Difference]: Finished difference. Result has 982 places, 1015 transitions, 2092 flow [2024-11-09 07:00:14,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=979, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1013, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2092, PETRI_PLACES=982, PETRI_TRANSITIONS=1015} [2024-11-09 07:00:14,302 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -54 predicate places. [2024-11-09 07:00:14,305 INFO L471 AbstractCegarLoop]: Abstraction has has 982 places, 1015 transitions, 2092 flow [2024-11-09 07:00:14,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1050.6666666666667) internal successors, (3152), 3 states have internal predecessors, (3152), 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) [2024-11-09 07:00:14,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:14,306 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, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:14,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 07:00:14,306 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:14,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:14,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1594694388, now seen corresponding path program 1 times [2024-11-09 07:00:14,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:14,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523267348] [2024-11-09 07:00:14,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:14,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:14,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:14,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523267348] [2024-11-09 07:00:14,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523267348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:14,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:14,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:14,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471507181] [2024-11-09 07:00:14,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:14,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:14,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:14,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:14,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:14,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1106 [2024-11-09 07:00:14,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 982 places, 1015 transitions, 2092 flow. Second operand has 3 states, 3 states have (on average 1067.6666666666667) internal successors, (3203), 3 states have internal predecessors, (3203), 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) [2024-11-09 07:00:14,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:14,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1106 [2024-11-09 07:00:14,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:15,602 INFO L124 PetriNetUnfolderBase]: 262/5102 cut-off events. [2024-11-09 07:00:15,602 INFO L125 PetriNetUnfolderBase]: For 36/52 co-relation queries the response was YES. [2024-11-09 07:00:15,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5302 conditions, 5102 events. 262/5102 cut-off events. For 36/52 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 44398 event pairs, 20 based on Foata normal form. 1/4212 useless extension candidates. Maximal degree in co-relation 4576. Up to 68 conditions per place. [2024-11-09 07:00:15,787 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 3 changer transitions 0/1016 dead transitions. [2024-11-09 07:00:15,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1016 transitions, 2146 flow [2024-11-09 07:00:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3220 transitions. [2024-11-09 07:00:15,789 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9704641350210971 [2024-11-09 07:00:15,789 INFO L175 Difference]: Start difference. First operand has 982 places, 1015 transitions, 2092 flow. Second operand 3 states and 3220 transitions. [2024-11-09 07:00:15,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1016 transitions, 2146 flow [2024-11-09 07:00:15,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 1016 transitions, 2146 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 07:00:15,804 INFO L231 Difference]: Finished difference. Result has 983 places, 1014 transitions, 2096 flow [2024-11-09 07:00:15,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2090, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1014, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2096, PETRI_PLACES=983, PETRI_TRANSITIONS=1014} [2024-11-09 07:00:15,805 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -53 predicate places. [2024-11-09 07:00:15,806 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 1014 transitions, 2096 flow [2024-11-09 07:00:15,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.6666666666667) internal successors, (3203), 3 states have internal predecessors, (3203), 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) [2024-11-09 07:00:15,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:15,806 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:15,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 07:00:15,807 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:15,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:15,807 INFO L85 PathProgramCache]: Analyzing trace with hash 402177859, now seen corresponding path program 1 times [2024-11-09 07:00:15,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:15,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094436009] [2024-11-09 07:00:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:15,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:15,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:15,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094436009] [2024-11-09 07:00:15,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094436009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:15,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:15,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:15,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660028393] [2024-11-09 07:00:15,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:15,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:15,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:15,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:15,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:15,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 07:00:15,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 1014 transitions, 2096 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 07:00:15,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:15,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 07:00:15,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:16,582 INFO L124 PetriNetUnfolderBase]: 181/3054 cut-off events. [2024-11-09 07:00:16,583 INFO L125 PetriNetUnfolderBase]: For 46/58 co-relation queries the response was YES. [2024-11-09 07:00:16,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3261 conditions, 3054 events. 181/3054 cut-off events. For 46/58 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 22278 event pairs, 37 based on Foata normal form. 1/2533 useless extension candidates. Maximal degree in co-relation 2512. Up to 139 conditions per place. [2024-11-09 07:00:16,699 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 2 changer transitions 0/1015 dead transitions. [2024-11-09 07:00:16,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1015 transitions, 2148 flow [2024-11-09 07:00:16,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3214 transitions. [2024-11-09 07:00:16,702 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9686558167570826 [2024-11-09 07:00:16,702 INFO L175 Difference]: Start difference. First operand has 983 places, 1014 transitions, 2096 flow. Second operand 3 states and 3214 transitions. [2024-11-09 07:00:16,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1015 transitions, 2148 flow [2024-11-09 07:00:16,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 982 places, 1015 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:16,714 INFO L231 Difference]: Finished difference. Result has 982 places, 1013 transitions, 2092 flow [2024-11-09 07:00:16,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2088, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1013, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2092, PETRI_PLACES=982, PETRI_TRANSITIONS=1013} [2024-11-09 07:00:16,719 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -54 predicate places. [2024-11-09 07:00:16,719 INFO L471 AbstractCegarLoop]: Abstraction has has 982 places, 1013 transitions, 2092 flow [2024-11-09 07:00:16,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 07:00:16,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:16,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:16,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 07:00:16,720 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:16,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:16,721 INFO L85 PathProgramCache]: Analyzing trace with hash 810340390, now seen corresponding path program 1 times [2024-11-09 07:00:16,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:16,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825140732] [2024-11-09 07:00:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:16,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:16,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825140732] [2024-11-09 07:00:16,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825140732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:16,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:16,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:16,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423820584] [2024-11-09 07:00:16,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:16,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:16,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:16,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:16,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:16,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1106 [2024-11-09 07:00:16,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 982 places, 1013 transitions, 2092 flow. Second operand has 3 states, 3 states have (on average 1061.6666666666667) internal successors, (3185), 3 states have internal predecessors, (3185), 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) [2024-11-09 07:00:16,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:16,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1106 [2024-11-09 07:00:16,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:17,944 INFO L124 PetriNetUnfolderBase]: 298/5501 cut-off events. [2024-11-09 07:00:17,945 INFO L125 PetriNetUnfolderBase]: For 14/28 co-relation queries the response was YES. [2024-11-09 07:00:18,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5749 conditions, 5501 events. 298/5501 cut-off events. For 14/28 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 44825 event pairs, 15 based on Foata normal form. 0/4550 useless extension candidates. Maximal degree in co-relation 5383. Up to 66 conditions per place. [2024-11-09 07:00:18,135 INFO L140 encePairwiseOnDemand]: 1092/1106 looper letters, 18 selfloop transitions, 9 changer transitions 0/1014 dead transitions. [2024-11-09 07:00:18,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 979 places, 1014 transitions, 2150 flow [2024-11-09 07:00:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3212 transitions. [2024-11-09 07:00:18,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680530440024111 [2024-11-09 07:00:18,137 INFO L175 Difference]: Start difference. First operand has 982 places, 1013 transitions, 2092 flow. Second operand 3 states and 3212 transitions. [2024-11-09 07:00:18,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 979 places, 1014 transitions, 2150 flow [2024-11-09 07:00:18,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 977 places, 1014 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:18,151 INFO L231 Difference]: Finished difference. Result has 978 places, 1012 transitions, 2121 flow [2024-11-09 07:00:18,152 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=975, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=999, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2121, PETRI_PLACES=978, PETRI_TRANSITIONS=1012} [2024-11-09 07:00:18,152 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -58 predicate places. [2024-11-09 07:00:18,153 INFO L471 AbstractCegarLoop]: Abstraction has has 978 places, 1012 transitions, 2121 flow [2024-11-09 07:00:18,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1061.6666666666667) internal successors, (3185), 3 states have internal predecessors, (3185), 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) [2024-11-09 07:00:18,153 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:18,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:18,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 07:00:18,154 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:18,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:18,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1187461988, now seen corresponding path program 1 times [2024-11-09 07:00:18,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:18,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348331009] [2024-11-09 07:00:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:18,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:18,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:18,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348331009] [2024-11-09 07:00:18,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348331009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:18,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:18,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:18,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161034808] [2024-11-09 07:00:18,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:18,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:18,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:18,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:18,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:18,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1106 [2024-11-09 07:00:18,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 978 places, 1012 transitions, 2121 flow. Second operand has 3 states, 3 states have (on average 1068.0) internal successors, (3204), 3 states have internal predecessors, (3204), 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) [2024-11-09 07:00:18,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:18,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1106 [2024-11-09 07:00:18,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:19,323 INFO L124 PetriNetUnfolderBase]: 285/5369 cut-off events. [2024-11-09 07:00:19,323 INFO L125 PetriNetUnfolderBase]: For 113/166 co-relation queries the response was YES. [2024-11-09 07:00:19,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5672 conditions, 5369 events. 285/5369 cut-off events. For 113/166 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 47643 event pairs, 30 based on Foata normal form. 0/4449 useless extension candidates. Maximal degree in co-relation 5079. Up to 104 conditions per place. [2024-11-09 07:00:19,503 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 22 selfloop transitions, 3 changer transitions 0/1013 dead transitions. [2024-11-09 07:00:19,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 979 places, 1013 transitions, 2175 flow [2024-11-09 07:00:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3220 transitions. [2024-11-09 07:00:19,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9704641350210971 [2024-11-09 07:00:19,506 INFO L175 Difference]: Start difference. First operand has 978 places, 1012 transitions, 2121 flow. Second operand 3 states and 3220 transitions. [2024-11-09 07:00:19,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 979 places, 1013 transitions, 2175 flow [2024-11-09 07:00:19,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 978 places, 1013 transitions, 2166 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:19,518 INFO L231 Difference]: Finished difference. Result has 978 places, 1011 transitions, 2116 flow [2024-11-09 07:00:19,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=976, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1008, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=978, PETRI_TRANSITIONS=1011} [2024-11-09 07:00:19,520 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -58 predicate places. [2024-11-09 07:00:19,520 INFO L471 AbstractCegarLoop]: Abstraction has has 978 places, 1011 transitions, 2116 flow [2024-11-09 07:00:19,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.0) internal successors, (3204), 3 states have internal predecessors, (3204), 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) [2024-11-09 07:00:19,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:19,521 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:19,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 07:00:19,522 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:19,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:19,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2146120854, now seen corresponding path program 1 times [2024-11-09 07:00:19,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:19,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594731236] [2024-11-09 07:00:19,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:19,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:19,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:19,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594731236] [2024-11-09 07:00:19,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594731236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:19,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:19,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:19,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677625147] [2024-11-09 07:00:19,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:19,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:19,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:19,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:19,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:19,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1106 [2024-11-09 07:00:19,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 978 places, 1011 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1062.0) internal successors, (3186), 3 states have internal predecessors, (3186), 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) [2024-11-09 07:00:19,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:19,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1106 [2024-11-09 07:00:19,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:20,239 INFO L124 PetriNetUnfolderBase]: 174/3094 cut-off events. [2024-11-09 07:00:20,239 INFO L125 PetriNetUnfolderBase]: For 43/50 co-relation queries the response was YES. [2024-11-09 07:00:20,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3348 conditions, 3094 events. 174/3094 cut-off events. For 43/50 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 22109 event pairs, 12 based on Foata normal form. 3/2619 useless extension candidates. Maximal degree in co-relation 2572. Up to 90 conditions per place. [2024-11-09 07:00:20,352 INFO L140 encePairwiseOnDemand]: 1092/1106 looper letters, 16 selfloop transitions, 8 changer transitions 12/1012 dead transitions. [2024-11-09 07:00:20,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 975 places, 1012 transitions, 2172 flow [2024-11-09 07:00:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-09 07:00:20,354 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9677516576250753 [2024-11-09 07:00:20,354 INFO L175 Difference]: Start difference. First operand has 978 places, 1011 transitions, 2116 flow. Second operand 3 states and 3211 transitions. [2024-11-09 07:00:20,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 975 places, 1012 transitions, 2172 flow [2024-11-09 07:00:20,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 973 places, 1012 transitions, 2166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:20,366 INFO L231 Difference]: Finished difference. Result has 974 places, 998 transitions, 2111 flow [2024-11-09 07:00:20,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=971, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1006, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2111, PETRI_PLACES=974, PETRI_TRANSITIONS=998} [2024-11-09 07:00:20,367 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -62 predicate places. [2024-11-09 07:00:20,368 INFO L471 AbstractCegarLoop]: Abstraction has has 974 places, 998 transitions, 2111 flow [2024-11-09 07:00:20,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1062.0) internal successors, (3186), 3 states have internal predecessors, (3186), 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) [2024-11-09 07:00:20,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:20,368 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:20,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 07:00:20,368 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:20,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:20,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2042329193, now seen corresponding path program 1 times [2024-11-09 07:00:20,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:20,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64965748] [2024-11-09 07:00:20,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:20,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:20,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:20,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64965748] [2024-11-09 07:00:20,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64965748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:20,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:20,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:20,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095677410] [2024-11-09 07:00:20,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:20,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:20,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:20,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:20,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:20,434 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1106 [2024-11-09 07:00:20,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 974 places, 998 transitions, 2111 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) [2024-11-09 07:00:20,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:20,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1106 [2024-11-09 07:00:20,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:21,593 INFO L124 PetriNetUnfolderBase]: 215/4625 cut-off events. [2024-11-09 07:00:21,594 INFO L125 PetriNetUnfolderBase]: For 40/50 co-relation queries the response was YES. [2024-11-09 07:00:21,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4954 conditions, 4625 events. 215/4625 cut-off events. For 40/50 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 38946 event pairs, 4 based on Foata normal form. 1/3901 useless extension candidates. Maximal degree in co-relation 4558. Up to 73 conditions per place. [2024-11-09 07:00:21,838 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 16 selfloop transitions, 2 changer transitions 0/1003 dead transitions. [2024-11-09 07:00:21,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 965 places, 1003 transitions, 2161 flow [2024-11-09 07:00:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:21,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:21,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3235 transitions. [2024-11-09 07:00:21,841 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9749849306811332 [2024-11-09 07:00:21,841 INFO L175 Difference]: Start difference. First operand has 974 places, 998 transitions, 2111 flow. Second operand 3 states and 3235 transitions. [2024-11-09 07:00:21,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 965 places, 1003 transitions, 2161 flow [2024-11-09 07:00:21,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 1003 transitions, 2153 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:21,852 INFO L231 Difference]: Finished difference. Result has 966 places, 999 transitions, 2117 flow [2024-11-09 07:00:21,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2103, PETRI_DIFFERENCE_MINUEND_PLACES=962, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=996, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2117, PETRI_PLACES=966, PETRI_TRANSITIONS=999} [2024-11-09 07:00:21,853 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -70 predicate places. [2024-11-09 07:00:21,853 INFO L471 AbstractCegarLoop]: Abstraction has has 966 places, 999 transitions, 2117 flow [2024-11-09 07:00:21,854 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) [2024-11-09 07:00:21,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:21,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:21,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 07:00:21,854 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:21,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:21,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1304560711, now seen corresponding path program 1 times [2024-11-09 07:00:21,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:21,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614376166] [2024-11-09 07:00:21,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:21,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:21,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:21,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614376166] [2024-11-09 07:00:21,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614376166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:21,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:21,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:21,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828509367] [2024-11-09 07:00:21,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:21,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:21,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:21,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:21,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:21,930 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1051 out of 1106 [2024-11-09 07:00:21,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 999 transitions, 2117 flow. Second operand has 3 states, 3 states have (on average 1052.6666666666667) internal successors, (3158), 3 states have internal predecessors, (3158), 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) [2024-11-09 07:00:21,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:21,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1051 of 1106 [2024-11-09 07:00:21,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:23,948 INFO L124 PetriNetUnfolderBase]: 488/9044 cut-off events. [2024-11-09 07:00:23,949 INFO L125 PetriNetUnfolderBase]: For 6/42 co-relation queries the response was YES. [2024-11-09 07:00:24,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9831 conditions, 9044 events. 488/9044 cut-off events. For 6/42 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 83191 event pairs, 14 based on Foata normal form. 2/7653 useless extension candidates. Maximal degree in co-relation 8206. Up to 166 conditions per place. [2024-11-09 07:00:24,317 INFO L140 encePairwiseOnDemand]: 1089/1106 looper letters, 23 selfloop transitions, 9 changer transitions 0/997 dead transitions. [2024-11-09 07:00:24,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 997 transitions, 2179 flow [2024-11-09 07:00:24,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3193 transitions. [2024-11-09 07:00:24,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9623267028330319 [2024-11-09 07:00:24,320 INFO L175 Difference]: Start difference. First operand has 966 places, 999 transitions, 2117 flow. Second operand 3 states and 3193 transitions. [2024-11-09 07:00:24,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 997 transitions, 2179 flow [2024-11-09 07:00:24,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 997 transitions, 2177 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:24,330 INFO L231 Difference]: Finished difference. Result has 961 places, 995 transitions, 2151 flow [2024-11-09 07:00:24,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2099, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2151, PETRI_PLACES=961, PETRI_TRANSITIONS=995} [2024-11-09 07:00:24,331 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -75 predicate places. [2024-11-09 07:00:24,331 INFO L471 AbstractCegarLoop]: Abstraction has has 961 places, 995 transitions, 2151 flow [2024-11-09 07:00:24,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1052.6666666666667) internal successors, (3158), 3 states have internal predecessors, (3158), 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) [2024-11-09 07:00:24,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:24,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:24,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 07:00:24,332 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:24,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:24,333 INFO L85 PathProgramCache]: Analyzing trace with hash -229767859, now seen corresponding path program 1 times [2024-11-09 07:00:24,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:24,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120793952] [2024-11-09 07:00:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:24,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:24,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:24,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120793952] [2024-11-09 07:00:24,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120793952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:24,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:24,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:24,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681236298] [2024-11-09 07:00:24,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:24,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:24,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:24,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:24,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:24,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1106 [2024-11-09 07:00:24,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 995 transitions, 2151 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) [2024-11-09 07:00:24,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:24,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1106 [2024-11-09 07:00:24,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:25,390 INFO L124 PetriNetUnfolderBase]: 259/4215 cut-off events. [2024-11-09 07:00:25,390 INFO L125 PetriNetUnfolderBase]: For 202/224 co-relation queries the response was YES. [2024-11-09 07:00:25,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4739 conditions, 4215 events. 259/4215 cut-off events. For 202/224 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 33593 event pairs, 60 based on Foata normal form. 1/3547 useless extension candidates. Maximal degree in co-relation 3938. Up to 212 conditions per place. [2024-11-09 07:00:25,581 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 20 selfloop transitions, 3 changer transitions 0/996 dead transitions. [2024-11-09 07:00:25,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 996 transitions, 2201 flow [2024-11-09 07:00:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:25,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3218 transitions. [2024-11-09 07:00:25,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9698613622664256 [2024-11-09 07:00:25,585 INFO L175 Difference]: Start difference. First operand has 961 places, 995 transitions, 2151 flow. Second operand 3 states and 3218 transitions. [2024-11-09 07:00:25,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 996 transitions, 2201 flow [2024-11-09 07:00:25,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 996 transitions, 2183 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:25,594 INFO L231 Difference]: Finished difference. Result has 960 places, 994 transitions, 2137 flow [2024-11-09 07:00:25,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2131, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2137, PETRI_PLACES=960, PETRI_TRANSITIONS=994} [2024-11-09 07:00:25,595 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -76 predicate places. [2024-11-09 07:00:25,595 INFO L471 AbstractCegarLoop]: Abstraction has has 960 places, 994 transitions, 2137 flow [2024-11-09 07:00:25,596 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) [2024-11-09 07:00:25,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:25,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:25,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 07:00:25,596 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:25,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:25,597 INFO L85 PathProgramCache]: Analyzing trace with hash 495168664, now seen corresponding path program 1 times [2024-11-09 07:00:25,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:25,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149794908] [2024-11-09 07:00:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:25,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:25,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:25,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149794908] [2024-11-09 07:00:25,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149794908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:25,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:25,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:25,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579282200] [2024-11-09 07:00:25,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:25,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:25,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:25,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:25,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:25,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 07:00:25,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 994 transitions, 2137 flow. Second operand has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 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) [2024-11-09 07:00:25,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:25,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 07:00:25,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:27,497 INFO L124 PetriNetUnfolderBase]: 367/7045 cut-off events. [2024-11-09 07:00:27,497 INFO L125 PetriNetUnfolderBase]: For 97/135 co-relation queries the response was YES. [2024-11-09 07:00:27,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7758 conditions, 7045 events. 367/7045 cut-off events. For 97/135 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 67997 event pairs, 48 based on Foata normal form. 2/5984 useless extension candidates. Maximal degree in co-relation 6189. Up to 147 conditions per place. [2024-11-09 07:00:27,776 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 24 selfloop transitions, 3 changer transitions 0/995 dead transitions. [2024-11-09 07:00:27,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 995 transitions, 2195 flow [2024-11-09 07:00:27,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-09 07:00:27,779 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-09 07:00:27,779 INFO L175 Difference]: Start difference. First operand has 960 places, 994 transitions, 2137 flow. Second operand 3 states and 3213 transitions. [2024-11-09 07:00:27,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 995 transitions, 2195 flow [2024-11-09 07:00:27,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 995 transitions, 2189 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:27,788 INFO L231 Difference]: Finished difference. Result has 959 places, 993 transitions, 2135 flow [2024-11-09 07:00:27,789 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2129, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=990, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2135, PETRI_PLACES=959, PETRI_TRANSITIONS=993} [2024-11-09 07:00:27,789 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -77 predicate places. [2024-11-09 07:00:27,789 INFO L471 AbstractCegarLoop]: Abstraction has has 959 places, 993 transitions, 2135 flow [2024-11-09 07:00:27,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 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) [2024-11-09 07:00:27,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:27,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:27,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 07:00:27,790 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:27,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:27,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1009766766, now seen corresponding path program 1 times [2024-11-09 07:00:27,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:27,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926032974] [2024-11-09 07:00:27,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:27,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:27,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:27,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926032974] [2024-11-09 07:00:27,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926032974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:27,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:27,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:27,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655535217] [2024-11-09 07:00:27,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:27,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:27,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:27,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:27,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:27,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1106 [2024-11-09 07:00:27,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 993 transitions, 2135 flow. Second operand has 3 states, 3 states have (on average 1074.6666666666667) internal successors, (3224), 3 states have internal predecessors, (3224), 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) [2024-11-09 07:00:27,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:27,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1106 [2024-11-09 07:00:27,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:29,814 INFO L124 PetriNetUnfolderBase]: 267/5679 cut-off events. [2024-11-09 07:00:29,814 INFO L125 PetriNetUnfolderBase]: For 14/70 co-relation queries the response was YES. [2024-11-09 07:00:30,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6074 conditions, 5679 events. 267/5679 cut-off events. For 14/70 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 50446 event pairs, 10 based on Foata normal form. 0/4793 useless extension candidates. Maximal degree in co-relation 4921. Up to 89 conditions per place. [2024-11-09 07:00:30,266 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 15 selfloop transitions, 2 changer transitions 0/997 dead transitions. [2024-11-09 07:00:30,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 997 transitions, 2180 flow [2024-11-09 07:00:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3234 transitions. [2024-11-09 07:00:30,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9746835443037974 [2024-11-09 07:00:30,268 INFO L175 Difference]: Start difference. First operand has 959 places, 993 transitions, 2135 flow. Second operand 3 states and 3234 transitions. [2024-11-09 07:00:30,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 997 transitions, 2180 flow [2024-11-09 07:00:30,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 997 transitions, 2174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:30,281 INFO L231 Difference]: Finished difference. Result has 961 places, 994 transitions, 2143 flow [2024-11-09 07:00:30,282 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2129, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2143, PETRI_PLACES=961, PETRI_TRANSITIONS=994} [2024-11-09 07:00:30,282 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -75 predicate places. [2024-11-09 07:00:30,282 INFO L471 AbstractCegarLoop]: Abstraction has has 961 places, 994 transitions, 2143 flow [2024-11-09 07:00:30,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.6666666666667) internal successors, (3224), 3 states have internal predecessors, (3224), 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) [2024-11-09 07:00:30,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:30,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:30,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 07:00:30,283 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:30,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:30,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1149522604, now seen corresponding path program 1 times [2024-11-09 07:00:30,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:30,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593161151] [2024-11-09 07:00:30,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:30,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:30,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:30,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593161151] [2024-11-09 07:00:30,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593161151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:30,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:30,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:30,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444767385] [2024-11-09 07:00:30,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:30,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:30,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:30,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:30,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:30,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1051 out of 1106 [2024-11-09 07:00:30,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 994 transitions, 2143 flow. Second operand has 3 states, 3 states have (on average 1053.0) internal successors, (3159), 3 states have internal predecessors, (3159), 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) [2024-11-09 07:00:30,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:30,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1051 of 1106 [2024-11-09 07:00:30,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:34,183 INFO L124 PetriNetUnfolderBase]: 631/10693 cut-off events. [2024-11-09 07:00:34,183 INFO L125 PetriNetUnfolderBase]: For 84/224 co-relation queries the response was YES. [2024-11-09 07:00:34,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11792 conditions, 10693 events. 631/10693 cut-off events. For 84/224 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 110720 event pairs, 67 based on Foata normal form. 0/9062 useless extension candidates. Maximal degree in co-relation 9698. Up to 336 conditions per place. [2024-11-09 07:00:34,930 INFO L140 encePairwiseOnDemand]: 1089/1106 looper letters, 23 selfloop transitions, 9 changer transitions 0/992 dead transitions. [2024-11-09 07:00:34,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 955 places, 992 transitions, 2205 flow [2024-11-09 07:00:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3193 transitions. [2024-11-09 07:00:34,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9623267028330319 [2024-11-09 07:00:34,932 INFO L175 Difference]: Start difference. First operand has 961 places, 994 transitions, 2143 flow. Second operand 3 states and 3193 transitions. [2024-11-09 07:00:34,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 955 places, 992 transitions, 2205 flow [2024-11-09 07:00:34,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 954 places, 992 transitions, 2203 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:34,942 INFO L231 Difference]: Finished difference. Result has 956 places, 990 transitions, 2177 flow [2024-11-09 07:00:34,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2125, PETRI_DIFFERENCE_MINUEND_PLACES=952, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=986, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=977, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2177, PETRI_PLACES=956, PETRI_TRANSITIONS=990} [2024-11-09 07:00:34,943 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -80 predicate places. [2024-11-09 07:00:34,943 INFO L471 AbstractCegarLoop]: Abstraction has has 956 places, 990 transitions, 2177 flow [2024-11-09 07:00:34,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1053.0) internal successors, (3159), 3 states have internal predecessors, (3159), 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) [2024-11-09 07:00:34,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:34,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:34,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 07:00:34,944 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:34,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash -16045080, now seen corresponding path program 1 times [2024-11-09 07:00:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:34,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033978960] [2024-11-09 07:00:34,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:34,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:34,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:34,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:34,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033978960] [2024-11-09 07:00:34,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033978960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:34,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:34,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:34,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682612104] [2024-11-09 07:00:34,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:34,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:34,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:34,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:34,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:35,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 07:00:35,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 956 places, 990 transitions, 2177 flow. Second operand has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 07:00:35,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:35,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 07:00:35,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:38,171 INFO L124 PetriNetUnfolderBase]: 484/8694 cut-off events. [2024-11-09 07:00:38,171 INFO L125 PetriNetUnfolderBase]: For 386/624 co-relation queries the response was YES. [2024-11-09 07:00:38,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9790 conditions, 8694 events. 484/8694 cut-off events. For 386/624 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 92475 event pairs, 95 based on Foata normal form. 0/7387 useless extension candidates. Maximal degree in co-relation 7926. Up to 284 conditions per place. [2024-11-09 07:00:38,801 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 24 selfloop transitions, 3 changer transitions 0/991 dead transitions. [2024-11-09 07:00:38,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 957 places, 991 transitions, 2235 flow [2024-11-09 07:00:38,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:38,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-09 07:00:38,803 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-09 07:00:38,803 INFO L175 Difference]: Start difference. First operand has 956 places, 990 transitions, 2177 flow. Second operand 3 states and 3213 transitions. [2024-11-09 07:00:38,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 957 places, 991 transitions, 2235 flow [2024-11-09 07:00:38,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 955 places, 991 transitions, 2217 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:38,813 INFO L231 Difference]: Finished difference. Result has 955 places, 989 transitions, 2163 flow [2024-11-09 07:00:38,814 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2157, PETRI_DIFFERENCE_MINUEND_PLACES=953, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=989, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=986, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2163, PETRI_PLACES=955, PETRI_TRANSITIONS=989} [2024-11-09 07:00:38,814 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -81 predicate places. [2024-11-09 07:00:38,814 INFO L471 AbstractCegarLoop]: Abstraction has has 955 places, 989 transitions, 2163 flow [2024-11-09 07:00:38,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.3333333333333) internal successors, (3196), 3 states have internal predecessors, (3196), 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) [2024-11-09 07:00:38,815 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:38,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:38,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 07:00:38,815 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:38,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:38,816 INFO L85 PathProgramCache]: Analyzing trace with hash -31077981, now seen corresponding path program 1 times [2024-11-09 07:00:38,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:38,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005916330] [2024-11-09 07:00:38,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:38,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:38,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:38,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:38,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005916330] [2024-11-09 07:00:38,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005916330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:38,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:38,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:38,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196159843] [2024-11-09 07:00:38,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:38,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:38,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:38,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:38,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:38,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1106 [2024-11-09 07:00:38,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 955 places, 989 transitions, 2163 flow. Second operand has 3 states, 3 states have (on average 1066.6666666666667) internal successors, (3200), 3 states have internal predecessors, (3200), 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) [2024-11-09 07:00:38,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:38,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1106 [2024-11-09 07:00:38,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:40,671 INFO L124 PetriNetUnfolderBase]: 263/5241 cut-off events. [2024-11-09 07:00:40,671 INFO L125 PetriNetUnfolderBase]: For 12/84 co-relation queries the response was YES. [2024-11-09 07:00:40,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5874 conditions, 5241 events. 263/5241 cut-off events. For 12/84 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 48294 event pairs, 6 based on Foata normal form. 2/4548 useless extension candidates. Maximal degree in co-relation 4566. Up to 106 conditions per place. [2024-11-09 07:00:41,035 INFO L140 encePairwiseOnDemand]: 1099/1106 looper letters, 15 selfloop transitions, 3 changer transitions 0/987 dead transitions. [2024-11-09 07:00:41,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 953 places, 987 transitions, 2197 flow [2024-11-09 07:00:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3217 transitions. [2024-11-09 07:00:41,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695599758890898 [2024-11-09 07:00:41,038 INFO L175 Difference]: Start difference. First operand has 955 places, 989 transitions, 2163 flow. Second operand 3 states and 3217 transitions. [2024-11-09 07:00:41,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 953 places, 987 transitions, 2197 flow [2024-11-09 07:00:41,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 951 places, 987 transitions, 2191 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:41,048 INFO L231 Difference]: Finished difference. Result has 951 places, 985 transitions, 2155 flow [2024-11-09 07:00:41,048 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2149, PETRI_DIFFERENCE_MINUEND_PLACES=949, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=985, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2155, PETRI_PLACES=951, PETRI_TRANSITIONS=985} [2024-11-09 07:00:41,049 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -85 predicate places. [2024-11-09 07:00:41,049 INFO L471 AbstractCegarLoop]: Abstraction has has 951 places, 985 transitions, 2155 flow [2024-11-09 07:00:41,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1066.6666666666667) internal successors, (3200), 3 states have internal predecessors, (3200), 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) [2024-11-09 07:00:41,050 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:41,050 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:41,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 07:00:41,050 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:41,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:41,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1475772814, now seen corresponding path program 1 times [2024-11-09 07:00:41,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:41,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873994783] [2024-11-09 07:00:41,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:41,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:41,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:41,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873994783] [2024-11-09 07:00:41,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873994783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:41,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:41,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:00:41,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669186107] [2024-11-09 07:00:41,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:41,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:41,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:41,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:41,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:41,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1106 [2024-11-09 07:00:41,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 951 places, 985 transitions, 2155 flow. Second operand has 3 states, 3 states have (on average 1075.0) internal successors, (3225), 3 states have internal predecessors, (3225), 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) [2024-11-09 07:00:41,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:41,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1106 [2024-11-09 07:00:41,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:44,238 INFO L124 PetriNetUnfolderBase]: 386/8361 cut-off events. [2024-11-09 07:00:44,239 INFO L125 PetriNetUnfolderBase]: For 34/66 co-relation queries the response was YES. [2024-11-09 07:00:44,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8952 conditions, 8361 events. 386/8361 cut-off events. For 34/66 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 76279 event pairs, 24 based on Foata normal form. 2/7038 useless extension candidates. Maximal degree in co-relation 7682. Up to 175 conditions per place. [2024-11-09 07:00:44,516 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 14 selfloop transitions, 2 changer transitions 0/988 dead transitions. [2024-11-09 07:00:44,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 953 places, 988 transitions, 2195 flow [2024-11-09 07:00:44,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3233 transitions. [2024-11-09 07:00:44,519 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9743821579264618 [2024-11-09 07:00:44,519 INFO L175 Difference]: Start difference. First operand has 951 places, 985 transitions, 2155 flow. Second operand 3 states and 3233 transitions. [2024-11-09 07:00:44,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 953 places, 988 transitions, 2195 flow [2024-11-09 07:00:44,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 951 places, 988 transitions, 2189 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:44,528 INFO L231 Difference]: Finished difference. Result has 953 places, 986 transitions, 2163 flow [2024-11-09 07:00:44,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2149, PETRI_DIFFERENCE_MINUEND_PLACES=949, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=985, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=983, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2163, PETRI_PLACES=953, PETRI_TRANSITIONS=986} [2024-11-09 07:00:44,529 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -83 predicate places. [2024-11-09 07:00:44,529 INFO L471 AbstractCegarLoop]: Abstraction has has 953 places, 986 transitions, 2163 flow [2024-11-09 07:00:44,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.0) internal successors, (3225), 3 states have internal predecessors, (3225), 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) [2024-11-09 07:00:44,530 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:44,530 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:44,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 07:00:44,530 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:44,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:44,531 INFO L85 PathProgramCache]: Analyzing trace with hash 547811664, now seen corresponding path program 1 times [2024-11-09 07:00:44,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:44,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250477613] [2024-11-09 07:00:44,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:44,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:44,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:44,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250477613] [2024-11-09 07:00:44,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250477613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:44,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:44,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:44,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955721180] [2024-11-09 07:00:44,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:44,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:44,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:44,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:44,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:44,603 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1051 out of 1106 [2024-11-09 07:00:44,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 953 places, 986 transitions, 2163 flow. Second operand has 3 states, 3 states have (on average 1053.3333333333333) internal successors, (3160), 3 states have internal predecessors, (3160), 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) [2024-11-09 07:00:44,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:44,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1051 of 1106 [2024-11-09 07:00:44,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:48,728 INFO L124 PetriNetUnfolderBase]: 702/10384 cut-off events. [2024-11-09 07:00:48,728 INFO L125 PetriNetUnfolderBase]: For 326/386 co-relation queries the response was YES. [2024-11-09 07:00:49,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11899 conditions, 10384 events. 702/10384 cut-off events. For 326/386 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 116425 event pairs, 54 based on Foata normal form. 2/8868 useless extension candidates. Maximal degree in co-relation 10283. Up to 682 conditions per place. [2024-11-09 07:00:49,160 INFO L140 encePairwiseOnDemand]: 1089/1106 looper letters, 23 selfloop transitions, 9 changer transitions 0/984 dead transitions. [2024-11-09 07:00:49,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 947 places, 984 transitions, 2225 flow [2024-11-09 07:00:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3193 transitions. [2024-11-09 07:00:49,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9623267028330319 [2024-11-09 07:00:49,163 INFO L175 Difference]: Start difference. First operand has 953 places, 986 transitions, 2163 flow. Second operand 3 states and 3193 transitions. [2024-11-09 07:00:49,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 947 places, 984 transitions, 2225 flow [2024-11-09 07:00:49,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 946 places, 984 transitions, 2223 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 07:00:49,179 INFO L231 Difference]: Finished difference. Result has 948 places, 982 transitions, 2197 flow [2024-11-09 07:00:49,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2145, PETRI_DIFFERENCE_MINUEND_PLACES=944, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=978, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=969, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2197, PETRI_PLACES=948, PETRI_TRANSITIONS=982} [2024-11-09 07:00:49,180 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -88 predicate places. [2024-11-09 07:00:49,180 INFO L471 AbstractCegarLoop]: Abstraction has has 948 places, 982 transitions, 2197 flow [2024-11-09 07:00:49,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1053.3333333333333) internal successors, (3160), 3 states have internal predecessors, (3160), 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) [2024-11-09 07:00:49,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:49,181 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:49,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 07:00:49,181 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:49,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:49,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1489214759, now seen corresponding path program 1 times [2024-11-09 07:00:49,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:49,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213420223] [2024-11-09 07:00:49,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:49,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:49,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:49,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213420223] [2024-11-09 07:00:49,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213420223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:49,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:49,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:49,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241564089] [2024-11-09 07:00:49,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:49,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:49,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:49,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:49,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:49,387 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1106 [2024-11-09 07:00:49,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 948 places, 982 transitions, 2197 flow. Second operand has 3 states, 3 states have (on average 1065.6666666666667) internal successors, (3197), 3 states have internal predecessors, (3197), 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) [2024-11-09 07:00:49,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:49,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1106 [2024-11-09 07:00:49,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:53,681 INFO L124 PetriNetUnfolderBase]: 630/10286 cut-off events. [2024-11-09 07:00:53,681 INFO L125 PetriNetUnfolderBase]: For 904/972 co-relation queries the response was YES. [2024-11-09 07:00:54,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12120 conditions, 10286 events. 630/10286 cut-off events. For 904/972 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 112723 event pairs, 190 based on Foata normal form. 2/8814 useless extension candidates. Maximal degree in co-relation 10447. Up to 585 conditions per place. [2024-11-09 07:00:54,147 INFO L140 encePairwiseOnDemand]: 1103/1106 looper letters, 24 selfloop transitions, 3 changer transitions 0/983 dead transitions. [2024-11-09 07:00:54,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 983 transitions, 2255 flow [2024-11-09 07:00:54,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3213 transitions. [2024-11-09 07:00:54,149 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9683544303797469 [2024-11-09 07:00:54,149 INFO L175 Difference]: Start difference. First operand has 948 places, 982 transitions, 2197 flow. Second operand 3 states and 3213 transitions. [2024-11-09 07:00:54,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 983 transitions, 2255 flow [2024-11-09 07:00:54,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 983 transitions, 2237 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:54,160 INFO L231 Difference]: Finished difference. Result has 947 places, 981 transitions, 2183 flow [2024-11-09 07:00:54,160 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2177, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=981, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2183, PETRI_PLACES=947, PETRI_TRANSITIONS=981} [2024-11-09 07:00:54,161 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -89 predicate places. [2024-11-09 07:00:54,161 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 981 transitions, 2183 flow [2024-11-09 07:00:54,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.6666666666667) internal successors, (3197), 3 states have internal predecessors, (3197), 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) [2024-11-09 07:00:54,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:54,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:54,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 07:00:54,161 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting thread2Err36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:54,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1028921939, now seen corresponding path program 1 times [2024-11-09 07:00:54,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:54,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948272335] [2024-11-09 07:00:54,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:54,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:54,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948272335] [2024-11-09 07:00:54,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948272335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:54,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:54,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:54,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706413826] [2024-11-09 07:00:54,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:54,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:54,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:54,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:54,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:54,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1106 [2024-11-09 07:00:54,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 981 transitions, 2183 flow. Second operand has 3 states, 3 states have (on average 1067.0) internal successors, (3201), 3 states have internal predecessors, (3201), 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) [2024-11-09 07:00:54,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:54,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1106 [2024-11-09 07:00:54,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:58,863 INFO L124 PetriNetUnfolderBase]: 450/8876 cut-off events. [2024-11-09 07:00:58,864 INFO L125 PetriNetUnfolderBase]: For 66/88 co-relation queries the response was YES. [2024-11-09 07:00:59,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10032 conditions, 8876 events. 450/8876 cut-off events. For 66/88 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 92103 event pairs, 11 based on Foata normal form. 1/7732 useless extension candidates. Maximal degree in co-relation 8449. Up to 204 conditions per place. [2024-11-09 07:00:59,346 INFO L140 encePairwiseOnDemand]: 1099/1106 looper letters, 15 selfloop transitions, 3 changer transitions 0/979 dead transitions. [2024-11-09 07:00:59,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 945 places, 979 transitions, 2217 flow [2024-11-09 07:00:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3217 transitions. [2024-11-09 07:00:59,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695599758890898 [2024-11-09 07:00:59,349 INFO L175 Difference]: Start difference. First operand has 947 places, 981 transitions, 2183 flow. Second operand 3 states and 3217 transitions. [2024-11-09 07:00:59,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 945 places, 979 transitions, 2217 flow [2024-11-09 07:00:59,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 943 places, 979 transitions, 2211 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:59,359 INFO L231 Difference]: Finished difference. Result has 943 places, 977 transitions, 2175 flow [2024-11-09 07:00:59,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1106, PETRI_DIFFERENCE_MINUEND_FLOW=2169, PETRI_DIFFERENCE_MINUEND_PLACES=941, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=977, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=974, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2175, PETRI_PLACES=943, PETRI_TRANSITIONS=977} [2024-11-09 07:00:59,360 INFO L277 CegarLoopForPetriNet]: 1036 programPoint places, -93 predicate places. [2024-11-09 07:00:59,360 INFO L471 AbstractCegarLoop]: Abstraction has has 943 places, 977 transitions, 2175 flow [2024-11-09 07:00:59,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.0) internal successors, (3201), 3 states have internal predecessors, (3201), 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) [2024-11-09 07:00:59,361 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:59,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:59,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-09 07:00:59,361 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting thread1Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 277 more)] === [2024-11-09 07:00:59,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1623801403, now seen corresponding path program 1 times [2024-11-09 07:00:59,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:59,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990584288] [2024-11-09 07:00:59,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:59,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:59,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:59,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990584288] [2024-11-09 07:00:59,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990584288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:59,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:59,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:59,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615645743] [2024-11-09 07:00:59,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:59,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:59,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:59,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:59,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:59,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1106 [2024-11-09 07:00:59,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 943 places, 977 transitions, 2175 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) [2024-11-09 07:00:59,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:59,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1106 [2024-11-09 07:00:59,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand