./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-nzb-file-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 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:56:29,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:56:29,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:56:29,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:56:29,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:56:29,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:56:29,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:56:29,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:56:29,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:56:29,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:56:29,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:56:29,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:56:29,566 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:56:29,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:56:29,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:56:29,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:56:29,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:56:29,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:56:29,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:56:29,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:56:29,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:56:29,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:56:29,575 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:56:29,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:56:29,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:56:29,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:56:29,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:56:29,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:56:29,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:56:29,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:56:29,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:56:29,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:56:29,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:56:29,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:56:29,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:56:29,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:56:29,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:56:29,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:56:29,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:56:29,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:56:29,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:56:29,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b [2024-11-22 17:56:29,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:56:29,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:56:29,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:56:29,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:56:29,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:56:29,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2024-11-22 17:56:31,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:56:31,557 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:56:31,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2024-11-22 17:56:31,567 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc7871612/6926ad7a11894dc0b03326f792bc689e/FLAG1bbe7c3b4 [2024-11-22 17:56:31,581 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc7871612/6926ad7a11894dc0b03326f792bc689e [2024-11-22 17:56:31,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:56:31,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:56:31,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:56:31,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:56:31,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:56:31,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:56:31" (1/1) ... [2024-11-22 17:56:31,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107abcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:31, skipping insertion in model container [2024-11-22 17:56:31,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:56:31" (1/1) ... [2024-11-22 17:56:31,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:56:31,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:56:31,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:56:32,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:56:32,051 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:56:32,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32 WrapperNode [2024-11-22 17:56:32,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:56:32,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:56:32,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:56:32,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:56:32,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,151 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1321 [2024-11-22 17:56:32,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:56:32,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:56:32,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:56:32,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:56:32,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:56:32,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:56:32,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:56:32,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:56:32,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:56:32,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:56:32,307 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) [2024-11-22 17:56:32,314 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 [2024-11-22 17:56:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:56:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:56:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:56:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:56:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:56:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-22 17:56:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-22 17:56:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:56:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:56:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:56:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:56:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:56:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:56:32,360 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:56:32,549 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:56:32,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:56:34,184 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:56:34,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:56:34,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:56:34,234 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-22 17:56:34,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:56:34 BoogieIcfgContainer [2024-11-22 17:56:34,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:56:34,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:56:34,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:56:34,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:56:34,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:56:31" (1/3) ... [2024-11-22 17:56:34,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff15ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:56:34, skipping insertion in model container [2024-11-22 17:56:34,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (2/3) ... [2024-11-22 17:56:34,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff15ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:56:34, skipping insertion in model container [2024-11-22 17:56:34,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:56:34" (3/3) ... [2024-11-22 17:56:34,247 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2024-11-22 17:56:34,264 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:56:34,264 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 225 error locations. [2024-11-22 17:56:34,264 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:56:34,544 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-22 17:56:34,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1673 places, 1774 transitions, 3569 flow [2024-11-22 17:56:36,154 INFO L124 PetriNetUnfolderBase]: 111/1771 cut-off events. [2024-11-22 17:56:36,155 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:56:36,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1784 conditions, 1771 events. 111/1771 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7643 event pairs, 0 based on Foata normal form. 0/1435 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2024-11-22 17:56:36,243 INFO L82 GeneralOperation]: Start removeDead. Operand has 1673 places, 1774 transitions, 3569 flow [2024-11-22 17:56:36,320 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1651 places, 1750 transitions, 3518 flow [2024-11-22 17:56:36,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:56:36,341 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;@53027456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:56:36,342 INFO L334 AbstractCegarLoop]: Starting to check reachability of 426 error locations. [2024-11-22 17:56:36,346 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:56:36,347 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-11-22 17:56:36,348 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:56:36,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:36,349 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] [2024-11-22 17:56:36,350 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:56:36,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:36,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1285342270, now seen corresponding path program 1 times [2024-11-22 17:56:36,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:36,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376446061] [2024-11-22 17:56:36,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:36,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:36,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:36,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376446061] [2024-11-22 17:56:36,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376446061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:36,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:36,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:36,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633382691] [2024-11-22 17:56:36,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:36,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:36,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:36,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:36,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:36,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-22 17:56:36,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1750 transitions, 3518 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:36,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:36,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-22 17:56:36,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:38,538 INFO L124 PetriNetUnfolderBase]: 124/2623 cut-off events. [2024-11-22 17:56:38,539 INFO L125 PetriNetUnfolderBase]: For 16/18 co-relation queries the response was YES. [2024-11-22 17:56:38,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2666 conditions, 2623 events. 124/2623 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14364 event pairs, 5 based on Foata normal form. 106/2206 useless extension candidates. Maximal degree in co-relation 2279. Up to 22 conditions per place. [2024-11-22 17:56:38,703 INFO L140 encePairwiseOnDemand]: 1735/1774 looper letters, 11 selfloop transitions, 2 changer transitions 6/1713 dead transitions. [2024-11-22 17:56:38,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1652 places, 1713 transitions, 3470 flow [2024-11-22 17:56:38,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:38,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5213 transitions. [2024-11-22 17:56:38,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9795189778278842 [2024-11-22 17:56:38,738 INFO L175 Difference]: Start difference. First operand has 1651 places, 1750 transitions, 3518 flow. Second operand 3 states and 5213 transitions. [2024-11-22 17:56:38,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1652 places, 1713 transitions, 3470 flow [2024-11-22 17:56:38,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1713 transitions, 3458 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-22 17:56:38,787 INFO L231 Difference]: Finished difference. Result has 1646 places, 1707 transitions, 3424 flow [2024-11-22 17:56:38,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=1644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1646, PETRI_TRANSITIONS=1707} [2024-11-22 17:56:38,795 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -5 predicate places. [2024-11-22 17:56:38,795 INFO L471 AbstractCegarLoop]: Abstraction has has 1646 places, 1707 transitions, 3424 flow [2024-11-22 17:56:38,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:38,799 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:38,799 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:38,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:56:38,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:56:38,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:38,800 INFO L85 PathProgramCache]: Analyzing trace with hash -233112910, now seen corresponding path program 1 times [2024-11-22 17:56:38,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:38,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366310548] [2024-11-22 17:56:38,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:38,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:38,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:38,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366310548] [2024-11-22 17:56:38,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366310548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:38,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:38,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:38,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434704894] [2024-11-22 17:56:38,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:38,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:38,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:38,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:38,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:38,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-22 17:56:38,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1646 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:38,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:38,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-22 17:56:38,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:40,145 INFO L124 PetriNetUnfolderBase]: 124/2616 cut-off events. [2024-11-22 17:56:40,145 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-22 17:56:40,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2649 conditions, 2616 events. 124/2616 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14880 event pairs, 5 based on Foata normal form. 0/2101 useless extension candidates. Maximal degree in co-relation 2603. Up to 22 conditions per place. [2024-11-22 17:56:40,295 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2024-11-22 17:56:40,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1706 transitions, 3448 flow [2024-11-22 17:56:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:40,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-22 17:56:40,307 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-22 17:56:40,307 INFO L175 Difference]: Start difference. First operand has 1646 places, 1707 transitions, 3424 flow. Second operand 3 states and 5177 transitions. [2024-11-22 17:56:40,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1706 transitions, 3448 flow [2024-11-22 17:56:40,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:40,336 INFO L231 Difference]: Finished difference. Result has 1639 places, 1706 transitions, 3422 flow [2024-11-22 17:56:40,339 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1639, PETRI_TRANSITIONS=1706} [2024-11-22 17:56:40,340 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -12 predicate places. [2024-11-22 17:56:40,340 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1706 transitions, 3422 flow [2024-11-22 17:56:40,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:40,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:40,344 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] [2024-11-22 17:56:40,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:56:40,344 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:56:40,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:40,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1640438213, now seen corresponding path program 1 times [2024-11-22 17:56:40,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:40,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318110590] [2024-11-22 17:56:40,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:40,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:40,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:40,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318110590] [2024-11-22 17:56:40,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318110590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:40,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:40,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:40,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581539121] [2024-11-22 17:56:40,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:40,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:40,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:40,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:40,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:40,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-22 17:56:40,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:40,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:40,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-22 17:56:40,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:42,362 INFO L124 PetriNetUnfolderBase]: 172/3516 cut-off events. [2024-11-22 17:56:42,362 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-22 17:56:42,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3554 conditions, 3516 events. 172/3516 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 21449 event pairs, 7 based on Foata normal form. 0/2805 useless extension candidates. Maximal degree in co-relation 3500. Up to 25 conditions per place. [2024-11-22 17:56:42,505 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2024-11-22 17:56:42,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1705 transitions, 3446 flow [2024-11-22 17:56:42,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-22 17:56:42,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-22 17:56:42,517 INFO L175 Difference]: Start difference. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand 3 states and 5177 transitions. [2024-11-22 17:56:42,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1705 transitions, 3446 flow [2024-11-22 17:56:42,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1705 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:42,543 INFO L231 Difference]: Finished difference. Result has 1638 places, 1705 transitions, 3420 flow [2024-11-22 17:56:42,546 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1638, PETRI_TRANSITIONS=1705} [2024-11-22 17:56:42,547 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -13 predicate places. [2024-11-22 17:56:42,547 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1705 transitions, 3420 flow [2024-11-22 17:56:42,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:42,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:42,551 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] [2024-11-22 17:56:42,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:56:42,551 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:56:42,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:42,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1569175430, now seen corresponding path program 1 times [2024-11-22 17:56:42,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:42,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056601806] [2024-11-22 17:56:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:42,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:42,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:42,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056601806] [2024-11-22 17:56:42,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056601806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:42,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:42,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:42,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179987221] [2024-11-22 17:56:42,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:42,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:42,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:42,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:42,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:42,658 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-22 17:56:42,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:42,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:42,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-22 17:56:42,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:44,317 INFO L124 PetriNetUnfolderBase]: 172/3515 cut-off events. [2024-11-22 17:56:44,318 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-22 17:56:44,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3553 conditions, 3515 events. 172/3515 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 22588 event pairs, 7 based on Foata normal form. 0/2806 useless extension candidates. Maximal degree in co-relation 3491. Up to 25 conditions per place. [2024-11-22 17:56:44,519 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2024-11-22 17:56:44,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1704 transitions, 3444 flow [2024-11-22 17:56:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-22 17:56:44,529 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-22 17:56:44,530 INFO L175 Difference]: Start difference. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand 3 states and 5177 transitions. [2024-11-22 17:56:44,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1704 transitions, 3444 flow [2024-11-22 17:56:44,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1704 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:44,555 INFO L231 Difference]: Finished difference. Result has 1637 places, 1704 transitions, 3418 flow [2024-11-22 17:56:44,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1637, PETRI_TRANSITIONS=1704} [2024-11-22 17:56:44,558 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -14 predicate places. [2024-11-22 17:56:44,559 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1704 transitions, 3418 flow [2024-11-22 17:56:44,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:44,563 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:44,563 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] [2024-11-22 17:56:44,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:56:44,565 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:56:44,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:44,565 INFO L85 PathProgramCache]: Analyzing trace with hash 333694812, now seen corresponding path program 1 times [2024-11-22 17:56:44,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:44,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328743283] [2024-11-22 17:56:44,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:44,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:44,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:44,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328743283] [2024-11-22 17:56:44,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328743283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:44,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:44,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:44,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442482945] [2024-11-22 17:56:44,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:44,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:44,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:44,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:44,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:44,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-22 17:56:44,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:44,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:44,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-22 17:56:44,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:45,987 INFO L124 PetriNetUnfolderBase]: 103/2164 cut-off events. [2024-11-22 17:56:45,987 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-22 17:56:46,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 2164 events. 103/2164 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10798 event pairs, 7 based on Foata normal form. 0/1747 useless extension candidates. Maximal degree in co-relation 2129. Up to 25 conditions per place. [2024-11-22 17:56:46,091 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2024-11-22 17:56:46,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1703 transitions, 3442 flow [2024-11-22 17:56:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-22 17:56:46,101 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-22 17:56:46,102 INFO L175 Difference]: Start difference. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2024-11-22 17:56:46,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1703 transitions, 3442 flow [2024-11-22 17:56:46,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1703 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:46,127 INFO L231 Difference]: Finished difference. Result has 1636 places, 1703 transitions, 3416 flow [2024-11-22 17:56:46,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1636, PETRI_TRANSITIONS=1703} [2024-11-22 17:56:46,131 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -15 predicate places. [2024-11-22 17:56:46,131 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1703 transitions, 3416 flow [2024-11-22 17:56:46,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:46,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:46,135 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:46,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:56:46,135 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:56:46,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:46,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2017608749, now seen corresponding path program 1 times [2024-11-22 17:56:46,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:46,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587533506] [2024-11-22 17:56:46,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:46,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:46,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:46,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587533506] [2024-11-22 17:56:46,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587533506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:46,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:46,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:46,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650882987] [2024-11-22 17:56:46,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:46,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:46,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:46,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:46,229 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-22 17:56:46,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:46,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:46,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-22 17:56:46,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:47,158 INFO L124 PetriNetUnfolderBase]: 103/2163 cut-off events. [2024-11-22 17:56:47,158 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-22 17:56:47,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 2163 events. 103/2163 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11124 event pairs, 7 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 2120. Up to 25 conditions per place. [2024-11-22 17:56:47,425 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2024-11-22 17:56:47,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1702 transitions, 3440 flow [2024-11-22 17:56:47,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-22 17:56:47,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-22 17:56:47,434 INFO L175 Difference]: Start difference. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand 3 states and 5177 transitions. [2024-11-22 17:56:47,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1702 transitions, 3440 flow [2024-11-22 17:56:47,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1702 transitions, 3436 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:47,458 INFO L231 Difference]: Finished difference. Result has 1635 places, 1702 transitions, 3414 flow [2024-11-22 17:56:47,460 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1635, PETRI_TRANSITIONS=1702} [2024-11-22 17:56:47,461 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -16 predicate places. [2024-11-22 17:56:47,461 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1702 transitions, 3414 flow [2024-11-22 17:56:47,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 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) [2024-11-22 17:56:47,465 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:47,465 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] [2024-11-22 17:56:47,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:56:47,465 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:56:47,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:47,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1131993380, now seen corresponding path program 1 times [2024-11-22 17:56:47,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:47,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682760010] [2024-11-22 17:56:47,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:47,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:47,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:47,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682760010] [2024-11-22 17:56:47,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682760010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:47,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:47,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:47,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488276577] [2024-11-22 17:56:47,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:47,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:47,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:47,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:47,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:47,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-22 17:56:47,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2024-11-22 17:56:47,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:47,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-22 17:56:47,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:51,967 INFO L124 PetriNetUnfolderBase]: 505/9846 cut-off events. [2024-11-22 17:56:51,968 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-22 17:56:52,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9929 conditions, 9846 events. 505/9846 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 88643 event pairs, 18 based on Foata normal form. 0/7770 useless extension candidates. Maximal degree in co-relation 9843. Up to 56 conditions per place. [2024-11-22 17:56:52,366 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2024-11-22 17:56:52,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1701 transitions, 3454 flow [2024-11-22 17:56:52,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:56:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:56:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-22 17:56:52,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-22 17:56:52,376 INFO L175 Difference]: Start difference. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand 3 states and 5161 transitions. [2024-11-22 17:56:52,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1701 transitions, 3454 flow [2024-11-22 17:56:52,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1701 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:56:52,407 INFO L231 Difference]: Finished difference. Result has 1634 places, 1701 transitions, 3412 flow [2024-11-22 17:56:52,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1634, PETRI_TRANSITIONS=1701} [2024-11-22 17:56:52,409 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -17 predicate places. [2024-11-22 17:56:52,410 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1701 transitions, 3412 flow [2024-11-22 17:56:52,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2024-11-22 17:56:52,412 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:52,412 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] [2024-11-22 17:56:52,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:56:52,412 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:56:52,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:52,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2085948360, now seen corresponding path program 1 times [2024-11-22 17:56:52,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:52,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218214316] [2024-11-22 17:56:52,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:52,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:52,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:52,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218214316] [2024-11-22 17:56:52,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218214316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:52,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:52,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:56:52,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496166058] [2024-11-22 17:56:52,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:52,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:56:52,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:56:52,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:56:52,585 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-22 17:56:52,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2024-11-22 17:56:52,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:52,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-22 17:56:52,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:59,639 INFO L124 PetriNetUnfolderBase]: 793/15275 cut-off events. [2024-11-22 17:56:59,639 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-22 17:57:00,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15399 conditions, 15275 events. 793/15275 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 154055 event pairs, 30 based on Foata normal form. 0/12028 useless extension candidates. Maximal degree in co-relation 15305. Up to 85 conditions per place. [2024-11-22 17:57:00,234 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2024-11-22 17:57:00,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1700 transitions, 3462 flow [2024-11-22 17:57:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-22 17:57:00,240 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-22 17:57:00,240 INFO L175 Difference]: Start difference. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand 3 states and 5151 transitions. [2024-11-22 17:57:00,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1700 transitions, 3462 flow [2024-11-22 17:57:00,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:00,258 INFO L231 Difference]: Finished difference. Result has 1633 places, 1700 transitions, 3410 flow [2024-11-22 17:57:00,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1633, PETRI_TRANSITIONS=1700} [2024-11-22 17:57:00,261 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -18 predicate places. [2024-11-22 17:57:00,262 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1700 transitions, 3410 flow [2024-11-22 17:57:00,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2024-11-22 17:57:00,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:00,263 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] [2024-11-22 17:57:00,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:57:00,502 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:57:00,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:00,505 INFO L85 PathProgramCache]: Analyzing trace with hash 384594205, now seen corresponding path program 1 times [2024-11-22 17:57:00,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:00,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474213157] [2024-11-22 17:57:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:00,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:00,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:00,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474213157] [2024-11-22 17:57:00,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474213157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:00,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:00,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:00,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784803465] [2024-11-22 17:57:00,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:00,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:00,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:00,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:00,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:00,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-22 17:57:00,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2024-11-22 17:57:00,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:00,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-22 17:57:00,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:03,690 INFO L124 PetriNetUnfolderBase]: 298/5776 cut-off events. [2024-11-22 17:57:03,690 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-11-22 17:57:03,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5850 conditions, 5776 events. 298/5776 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 42568 event pairs, 18 based on Foata normal form. 0/4582 useless extension candidates. Maximal degree in co-relation 5748. Up to 56 conditions per place. [2024-11-22 17:57:03,963 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2024-11-22 17:57:03,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1699 transitions, 3450 flow [2024-11-22 17:57:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:03,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:03,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-22 17:57:03,969 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-22 17:57:03,969 INFO L175 Difference]: Start difference. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand 3 states and 5161 transitions. [2024-11-22 17:57:03,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1699 transitions, 3450 flow [2024-11-22 17:57:03,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1699 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:03,986 INFO L231 Difference]: Finished difference. Result has 1632 places, 1699 transitions, 3408 flow [2024-11-22 17:57:03,987 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3408, PETRI_PLACES=1632, PETRI_TRANSITIONS=1699} [2024-11-22 17:57:03,988 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -19 predicate places. [2024-11-22 17:57:03,988 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1699 transitions, 3408 flow [2024-11-22 17:57:03,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2024-11-22 17:57:03,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:03,989 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] [2024-11-22 17:57:03,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:57:03,990 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:57:03,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:03,990 INFO L85 PathProgramCache]: Analyzing trace with hash -735321765, now seen corresponding path program 1 times [2024-11-22 17:57:03,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:03,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690080347] [2024-11-22 17:57:03,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:03,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:04,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:04,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690080347] [2024-11-22 17:57:04,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690080347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:04,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:04,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:04,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247709479] [2024-11-22 17:57:04,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:04,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:04,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:04,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:04,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:04,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-22 17:57:04,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2024-11-22 17:57:04,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:04,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-22 17:57:04,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:08,707 INFO L124 PetriNetUnfolderBase]: 448/8493 cut-off events. [2024-11-22 17:57:08,707 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-22 17:57:08,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8602 conditions, 8493 events. 448/8493 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 71441 event pairs, 30 based on Foata normal form. 0/6708 useless extension candidates. Maximal degree in co-relation 8492. Up to 85 conditions per place. [2024-11-22 17:57:09,146 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2024-11-22 17:57:09,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1698 transitions, 3458 flow [2024-11-22 17:57:09,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:09,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-22 17:57:09,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-22 17:57:09,153 INFO L175 Difference]: Start difference. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand 3 states and 5151 transitions. [2024-11-22 17:57:09,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1698 transitions, 3458 flow [2024-11-22 17:57:09,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1698 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:09,178 INFO L231 Difference]: Finished difference. Result has 1631 places, 1698 transitions, 3406 flow [2024-11-22 17:57:09,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3402, PETRI_DIFFERENCE_MINUEND_PLACES=1629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3406, PETRI_PLACES=1631, PETRI_TRANSITIONS=1698} [2024-11-22 17:57:09,182 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -20 predicate places. [2024-11-22 17:57:09,182 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1698 transitions, 3406 flow [2024-11-22 17:57:09,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2024-11-22 17:57:09,184 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:09,184 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] [2024-11-22 17:57:09,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:57:09,184 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:57:09,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:09,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1296555649, now seen corresponding path program 1 times [2024-11-22 17:57:09,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:09,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655770531] [2024-11-22 17:57:09,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:09,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:09,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:09,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655770531] [2024-11-22 17:57:09,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655770531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:09,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:09,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:09,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452585499] [2024-11-22 17:57:09,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:09,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:09,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:09,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:09,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:09,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-22 17:57:09,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2024-11-22 17:57:09,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:09,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-22 17:57:09,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:10,231 INFO L124 PetriNetUnfolderBase]: 91/1733 cut-off events. [2024-11-22 17:57:10,231 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-22 17:57:10,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 1733 events. 91/1733 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8608 event pairs, 18 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1680. Up to 56 conditions per place. [2024-11-22 17:57:10,294 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2024-11-22 17:57:10,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1697 transitions, 3446 flow [2024-11-22 17:57:10,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-22 17:57:10,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-22 17:57:10,303 INFO L175 Difference]: Start difference. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand 3 states and 5161 transitions. [2024-11-22 17:57:10,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1697 transitions, 3446 flow [2024-11-22 17:57:10,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1697 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:10,324 INFO L231 Difference]: Finished difference. Result has 1630 places, 1697 transitions, 3404 flow [2024-11-22 17:57:10,326 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3404, PETRI_PLACES=1630, PETRI_TRANSITIONS=1697} [2024-11-22 17:57:10,327 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -21 predicate places. [2024-11-22 17:57:10,327 INFO L471 AbstractCegarLoop]: Abstraction has has 1630 places, 1697 transitions, 3404 flow [2024-11-22 17:57:10,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 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) [2024-11-22 17:57:10,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:10,329 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] [2024-11-22 17:57:10,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 17:57:10,329 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:57:10,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:10,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1886187943, now seen corresponding path program 1 times [2024-11-22 17:57:10,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:10,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830108856] [2024-11-22 17:57:10,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:10,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:10,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:10,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830108856] [2024-11-22 17:57:10,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830108856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:10,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:10,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:10,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394804705] [2024-11-22 17:57:10,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:10,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:10,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:10,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:10,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:10,441 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-22 17:57:10,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2024-11-22 17:57:10,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:10,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-22 17:57:10,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:11,271 INFO L124 PetriNetUnfolderBase]: 136/2393 cut-off events. [2024-11-22 17:57:11,271 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-22 17:57:11,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2488 conditions, 2393 events. 136/2393 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13932 event pairs, 30 based on Foata normal form. 0/1933 useless extension candidates. Maximal degree in co-relation 2362. Up to 86 conditions per place. [2024-11-22 17:57:11,355 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1696 dead transitions. [2024-11-22 17:57:11,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1631 places, 1696 transitions, 3454 flow [2024-11-22 17:57:11,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:11,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-22 17:57:11,361 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-22 17:57:11,361 INFO L175 Difference]: Start difference. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand 3 states and 5151 transitions. [2024-11-22 17:57:11,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1631 places, 1696 transitions, 3454 flow [2024-11-22 17:57:11,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1629 places, 1696 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:11,375 INFO L231 Difference]: Finished difference. Result has 1629 places, 1696 transitions, 3402 flow [2024-11-22 17:57:11,376 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3398, PETRI_DIFFERENCE_MINUEND_PLACES=1627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3402, PETRI_PLACES=1629, PETRI_TRANSITIONS=1696} [2024-11-22 17:57:11,377 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -22 predicate places. [2024-11-22 17:57:11,377 INFO L471 AbstractCegarLoop]: Abstraction has has 1629 places, 1696 transitions, 3402 flow [2024-11-22 17:57:11,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 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) [2024-11-22 17:57:11,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:11,379 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] [2024-11-22 17:57:11,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:57:11,379 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:57:11,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:11,379 INFO L85 PathProgramCache]: Analyzing trace with hash -533478383, now seen corresponding path program 1 times [2024-11-22 17:57:11,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:11,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685430068] [2024-11-22 17:57:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:11,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:11,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:11,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685430068] [2024-11-22 17:57:11,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685430068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:11,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:11,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:11,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121877755] [2024-11-22 17:57:11,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:11,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:11,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:11,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:11,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:11,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-22 17:57:11,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1629 places, 1696 transitions, 3402 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2024-11-22 17:57:11,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:11,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-22 17:57:11,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:13,635 INFO L124 PetriNetUnfolderBase]: 335/6219 cut-off events. [2024-11-22 17:57:13,635 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-22 17:57:13,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6318 conditions, 6219 events. 335/6219 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 52024 event pairs, 32 based on Foata normal form. 0/4940 useless extension candidates. Maximal degree in co-relation 6184. Up to 82 conditions per place. [2024-11-22 17:57:13,861 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1695 dead transitions. [2024-11-22 17:57:13,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1630 places, 1695 transitions, 3438 flow [2024-11-22 17:57:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-11-22 17:57:13,866 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-11-22 17:57:13,866 INFO L175 Difference]: Start difference. First operand has 1629 places, 1696 transitions, 3402 flow. Second operand 3 states and 5165 transitions. [2024-11-22 17:57:13,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1630 places, 1695 transitions, 3438 flow [2024-11-22 17:57:13,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1628 places, 1695 transitions, 3434 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:13,881 INFO L231 Difference]: Finished difference. Result has 1628 places, 1695 transitions, 3400 flow [2024-11-22 17:57:13,882 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=1626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3400, PETRI_PLACES=1628, PETRI_TRANSITIONS=1695} [2024-11-22 17:57:13,882 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -23 predicate places. [2024-11-22 17:57:13,882 INFO L471 AbstractCegarLoop]: Abstraction has has 1628 places, 1695 transitions, 3400 flow [2024-11-22 17:57:13,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2024-11-22 17:57:13,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:13,884 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] [2024-11-22 17:57:13,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 17:57:13,884 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:57:13,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:13,884 INFO L85 PathProgramCache]: Analyzing trace with hash 53400281, now seen corresponding path program 1 times [2024-11-22 17:57:13,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:13,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658912139] [2024-11-22 17:57:13,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:13,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:13,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:13,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658912139] [2024-11-22 17:57:13,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658912139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:13,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:13,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:13,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129066009] [2024-11-22 17:57:13,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:13,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:13,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:13,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:13,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:13,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-22 17:57:13,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2024-11-22 17:57:13,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:13,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-22 17:57:13,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:18,232 INFO L124 PetriNetUnfolderBase]: 781/14374 cut-off events. [2024-11-22 17:57:18,232 INFO L125 PetriNetUnfolderBase]: For 5/41 co-relation queries the response was YES. [2024-11-22 17:57:18,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14541 conditions, 14374 events. 781/14374 cut-off events. For 5/41 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 158630 event pairs, 64 based on Foata normal form. 0/11328 useless extension candidates. Maximal degree in co-relation 14399. Up to 130 conditions per place. [2024-11-22 17:57:18,531 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1694 dead transitions. [2024-11-22 17:57:18,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1629 places, 1694 transitions, 3436 flow [2024-11-22 17:57:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:18,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-11-22 17:57:18,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-11-22 17:57:18,535 INFO L175 Difference]: Start difference. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand 3 states and 5165 transitions. [2024-11-22 17:57:18,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1629 places, 1694 transitions, 3436 flow [2024-11-22 17:57:18,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1627 places, 1694 transitions, 3432 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:18,548 INFO L231 Difference]: Finished difference. Result has 1627 places, 1694 transitions, 3398 flow [2024-11-22 17:57:18,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3394, PETRI_DIFFERENCE_MINUEND_PLACES=1625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3398, PETRI_PLACES=1627, PETRI_TRANSITIONS=1694} [2024-11-22 17:57:18,550 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -24 predicate places. [2024-11-22 17:57:18,550 INFO L471 AbstractCegarLoop]: Abstraction has has 1627 places, 1694 transitions, 3398 flow [2024-11-22 17:57:18,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2024-11-22 17:57:18,552 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:18,552 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] [2024-11-22 17:57:18,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:57:18,552 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-22 17:57:18,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:18,553 INFO L85 PathProgramCache]: Analyzing trace with hash 882084610, now seen corresponding path program 1 times [2024-11-22 17:57:18,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:18,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060758549] [2024-11-22 17:57:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:18,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:18,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:18,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060758549] [2024-11-22 17:57:18,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060758549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:18,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:18,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:18,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092780191] [2024-11-22 17:57:18,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:18,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:18,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:18,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:18,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:18,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-22 17:57:18,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 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) [2024-11-22 17:57:18,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:18,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-22 17:57:18,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand