./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.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 504de2e820c504d0b98f5b71c19407f1b43c0dd9338639fad4f2fe6ea2f6854f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:32:10,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:32:10,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:32:10,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:32:10,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:32:10,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:32:10,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:32:10,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:32:10,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:32:10,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:32:10,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:32:10,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:32:10,220 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:32:10,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:32:10,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:32:10,221 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:32:10,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:32:10,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:32:10,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:32:10,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:32:10,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:32:10,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:32:10,224 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:32:10,224 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:32:10,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:32:10,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:32:10,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:32:10,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:32:10,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:32:10,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:32:10,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:32:10,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:32:10,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:32:10,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:32:10,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:32:10,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:32:10,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:32:10,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:32:10,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:32:10,229 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:32:10,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:32:10,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 504de2e820c504d0b98f5b71c19407f1b43c0dd9338639fad4f2fe6ea2f6854f [2024-10-24 15:32:10,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:32:10,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:32:10,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:32:10,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:32:10,541 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:32:10,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-10-24 15:32:11,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:32:12,171 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:32:12,174 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-10-24 15:32:12,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f07b251f/97c055437bf84033a9941e234cefbf7c/FLAGfe9ebe328 [2024-10-24 15:32:12,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f07b251f/97c055437bf84033a9941e234cefbf7c [2024-10-24 15:32:12,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:32:12,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:32:12,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:32:12,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:32:12,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:32:12,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:12,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b66c78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12, skipping insertion in model container [2024-10-24 15:32:12,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:12,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:32:12,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:32:12,860 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:32:12,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:32:12,918 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:32:12,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12 WrapperNode [2024-10-24 15:32:12,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:32:12,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:32:12,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:32:12,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:32:12,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:12,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:12,996 INFO L138 Inliner]: procedures = 24, calls = 69, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 488 [2024-10-24 15:32:12,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:32:12,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:32:12,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:32:12,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:32:13,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:32:13,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:32:13,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:32:13,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:32:13,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (1/1) ... [2024-10-24 15:32:13,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:32:13,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:32:13,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:32:13,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:32:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:32:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:32:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:32:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:32:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:32:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:32:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:32:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-24 15:32:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-24 15:32:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:32:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-10-24 15:32:13,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-10-24 15:32:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-10-24 15:32:13,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-10-24 15:32:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:32:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:32:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:32:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:32:13,142 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:32:13,275 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:32:13,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:32:13,804 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:32:13,804 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:32:14,052 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:32:14,054 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:32:14,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:14 BoogieIcfgContainer [2024-10-24 15:32:14,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:32:14,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:32:14,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:32:14,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:32:14,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:32:12" (1/3) ... [2024-10-24 15:32:14,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f551c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:32:14, skipping insertion in model container [2024-10-24 15:32:14,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:12" (2/3) ... [2024-10-24 15:32:14,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f551c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:32:14, skipping insertion in model container [2024-10-24 15:32:14,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:14" (3/3) ... [2024-10-24 15:32:14,067 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-10-24 15:32:14,086 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:32:14,086 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2024-10-24 15:32:14,087 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:32:14,213 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-10-24 15:32:14,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 404 places, 399 transitions, 864 flow [2024-10-24 15:32:14,433 INFO L124 PetriNetUnfolderBase]: 14/385 cut-off events. [2024-10-24 15:32:14,436 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-24 15:32:14,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 385 events. 14/385 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 620 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 337. Up to 3 conditions per place. [2024-10-24 15:32:14,452 INFO L82 GeneralOperation]: Start removeDead. Operand has 404 places, 399 transitions, 864 flow [2024-10-24 15:32:14,465 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 372 places, 365 transitions, 778 flow [2024-10-24 15:32:14,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:32:14,488 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;@232a82a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:32:14,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2024-10-24 15:32:14,497 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:32:14,498 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-24 15:32:14,498 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:32:14,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:14,499 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] [2024-10-24 15:32:14,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:14,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:14,505 INFO L85 PathProgramCache]: Analyzing trace with hash 271217472, now seen corresponding path program 1 times [2024-10-24 15:32:14,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:14,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94617064] [2024-10-24 15:32:14,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:14,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:14,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:14,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94617064] [2024-10-24 15:32:14,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94617064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:14,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:14,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:14,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532560036] [2024-10-24 15:32:14,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:14,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:14,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:14,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:14,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:14,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 403 [2024-10-24 15:32:14,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 365 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:14,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:14,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 403 [2024-10-24 15:32:14,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:19,928 INFO L124 PetriNetUnfolderBase]: 11752/18627 cut-off events. [2024-10-24 15:32:19,928 INFO L125 PetriNetUnfolderBase]: For 4521/4521 co-relation queries the response was YES. [2024-10-24 15:32:20,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39257 conditions, 18627 events. 11752/18627 cut-off events. For 4521/4521 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130536 event pairs, 10673 based on Foata normal form. 84/17345 useless extension candidates. Maximal degree in co-relation 38574. Up to 16165 conditions per place. [2024-10-24 15:32:20,129 INFO L140 encePairwiseOnDemand]: 353/403 looper letters, 46 selfloop transitions, 2 changer transitions 1/317 dead transitions. [2024-10-24 15:32:20,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 317 transitions, 778 flow [2024-10-24 15:32:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2024-10-24 15:32:20,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8138957816377171 [2024-10-24 15:32:20,148 INFO L175 Difference]: Start difference. First operand has 372 places, 365 transitions, 778 flow. Second operand 3 states and 984 transitions. [2024-10-24 15:32:20,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 317 transitions, 778 flow [2024-10-24 15:32:20,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 317 transitions, 746 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-10-24 15:32:20,249 INFO L231 Difference]: Finished difference. Result has 317 places, 316 transitions, 652 flow [2024-10-24 15:32:20,252 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=317, PETRI_TRANSITIONS=316} [2024-10-24 15:32:20,258 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -55 predicate places. [2024-10-24 15:32:20,259 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 316 transitions, 652 flow [2024-10-24 15:32:20,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:20,260 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:20,260 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] [2024-10-24 15:32:20,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:32:20,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:20,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:20,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1494094181, now seen corresponding path program 1 times [2024-10-24 15:32:20,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:20,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771855174] [2024-10-24 15:32:20,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:20,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:20,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:20,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:20,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771855174] [2024-10-24 15:32:20,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771855174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:20,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:20,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:20,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770890934] [2024-10-24 15:32:20,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:20,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:20,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:20,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:20,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:20,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 403 [2024-10-24 15:32:20,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 316 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:20,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:20,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 403 [2024-10-24 15:32:20,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:23,424 INFO L124 PetriNetUnfolderBase]: 11752/18655 cut-off events. [2024-10-24 15:32:23,425 INFO L125 PetriNetUnfolderBase]: For 1130/1130 co-relation queries the response was YES. [2024-10-24 15:32:23,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35957 conditions, 18655 events. 11752/18655 cut-off events. For 1130/1130 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130355 event pairs, 10673 based on Foata normal form. 0/17283 useless extension candidates. Maximal degree in co-relation 35920. Up to 16165 conditions per place. [2024-10-24 15:32:23,579 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 46 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-10-24 15:32:23,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 315 transitions, 746 flow [2024-10-24 15:32:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:23,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-10-24 15:32:23,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7750206782464847 [2024-10-24 15:32:23,582 INFO L175 Difference]: Start difference. First operand has 317 places, 316 transitions, 652 flow. Second operand 3 states and 937 transitions. [2024-10-24 15:32:23,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 315 transitions, 746 flow [2024-10-24 15:32:23,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 315 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:23,589 INFO L231 Difference]: Finished difference. Result has 315 places, 315 transitions, 650 flow [2024-10-24 15:32:23,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=315, PETRI_TRANSITIONS=315} [2024-10-24 15:32:23,590 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -57 predicate places. [2024-10-24 15:32:23,591 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 315 transitions, 650 flow [2024-10-24 15:32:23,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:23,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:23,592 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:23,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:32:23,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:23,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:23,595 INFO L85 PathProgramCache]: Analyzing trace with hash 717135015, now seen corresponding path program 1 times [2024-10-24 15:32:23,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:23,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520401605] [2024-10-24 15:32:23,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:23,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:23,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:23,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520401605] [2024-10-24 15:32:23,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520401605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:23,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:23,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:23,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212608096] [2024-10-24 15:32:23,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:23,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:23,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:23,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:23,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:23,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 403 [2024-10-24 15:32:23,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 315 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:23,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:23,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 403 [2024-10-24 15:32:23,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:26,231 INFO L124 PetriNetUnfolderBase]: 11752/18654 cut-off events. [2024-10-24 15:32:26,232 INFO L125 PetriNetUnfolderBase]: For 1130/1130 co-relation queries the response was YES. [2024-10-24 15:32:26,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35954 conditions, 18654 events. 11752/18654 cut-off events. For 1130/1130 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130997 event pairs, 10673 based on Foata normal form. 0/17282 useless extension candidates. Maximal degree in co-relation 35909. Up to 16163 conditions per place. [2024-10-24 15:32:26,387 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 44 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2024-10-24 15:32:26,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 314 transitions, 740 flow [2024-10-24 15:32:26,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2024-10-24 15:32:26,391 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7783291976840364 [2024-10-24 15:32:26,391 INFO L175 Difference]: Start difference. First operand has 315 places, 315 transitions, 650 flow. Second operand 3 states and 941 transitions. [2024-10-24 15:32:26,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 314 transitions, 740 flow [2024-10-24 15:32:26,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 314 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:26,397 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 648 flow [2024-10-24 15:32:26,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2024-10-24 15:32:26,399 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -58 predicate places. [2024-10-24 15:32:26,399 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 648 flow [2024-10-24 15:32:26,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:26,400 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:26,400 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] [2024-10-24 15:32:26,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:32:26,401 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:26,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:26,402 INFO L85 PathProgramCache]: Analyzing trace with hash -495515715, now seen corresponding path program 1 times [2024-10-24 15:32:26,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:26,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103405770] [2024-10-24 15:32:26,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:26,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:26,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:26,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103405770] [2024-10-24 15:32:26,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103405770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:26,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:26,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:26,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252291781] [2024-10-24 15:32:26,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:26,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:26,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:26,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:26,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:26,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 403 [2024-10-24 15:32:26,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:26,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:26,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 403 [2024-10-24 15:32:26,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:29,036 INFO L124 PetriNetUnfolderBase]: 11752/18653 cut-off events. [2024-10-24 15:32:29,036 INFO L125 PetriNetUnfolderBase]: For 1130/1130 co-relation queries the response was YES. [2024-10-24 15:32:29,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35953 conditions, 18653 events. 11752/18653 cut-off events. For 1130/1130 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130889 event pairs, 10673 based on Foata normal form. 0/17282 useless extension candidates. Maximal degree in co-relation 35900. Up to 16163 conditions per place. [2024-10-24 15:32:29,200 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 44 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2024-10-24 15:32:29,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 313 transitions, 738 flow [2024-10-24 15:32:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2024-10-24 15:32:29,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7783291976840364 [2024-10-24 15:32:29,204 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 648 flow. Second operand 3 states and 941 transitions. [2024-10-24 15:32:29,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 313 transitions, 738 flow [2024-10-24 15:32:29,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 313 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:29,211 INFO L231 Difference]: Finished difference. Result has 313 places, 313 transitions, 646 flow [2024-10-24 15:32:29,211 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=313, PETRI_TRANSITIONS=313} [2024-10-24 15:32:29,213 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -59 predicate places. [2024-10-24 15:32:29,215 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 313 transitions, 646 flow [2024-10-24 15:32:29,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:29,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:29,216 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] [2024-10-24 15:32:29,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:32:29,216 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:29,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:29,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1842778573, now seen corresponding path program 1 times [2024-10-24 15:32:29,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:29,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764150868] [2024-10-24 15:32:29,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:29,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:29,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:29,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764150868] [2024-10-24 15:32:29,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764150868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:29,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:29,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:29,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682156054] [2024-10-24 15:32:29,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:29,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:29,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:29,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:29,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:29,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-24 15:32:29,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 313 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:29,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:29,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-24 15:32:29,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:31,702 INFO L124 PetriNetUnfolderBase]: 11629/18396 cut-off events. [2024-10-24 15:32:31,702 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2024-10-24 15:32:31,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35500 conditions, 18396 events. 11629/18396 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 128835 event pairs, 10560 based on Foata normal form. 0/17047 useless extension candidates. Maximal degree in co-relation 35439. Up to 15976 conditions per place. [2024-10-24 15:32:31,808 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 43 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-10-24 15:32:31,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 312 transitions, 734 flow [2024-10-24 15:32:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:31,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-10-24 15:32:31,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7799834574028123 [2024-10-24 15:32:31,811 INFO L175 Difference]: Start difference. First operand has 313 places, 313 transitions, 646 flow. Second operand 3 states and 943 transitions. [2024-10-24 15:32:31,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 312 transitions, 734 flow [2024-10-24 15:32:31,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 312 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:31,816 INFO L231 Difference]: Finished difference. Result has 312 places, 312 transitions, 644 flow [2024-10-24 15:32:31,817 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=312, PETRI_TRANSITIONS=312} [2024-10-24 15:32:31,818 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -60 predicate places. [2024-10-24 15:32:31,818 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 312 transitions, 644 flow [2024-10-24 15:32:31,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:31,818 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:31,819 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] [2024-10-24 15:32:31,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:32:31,819 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:31,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:31,819 INFO L85 PathProgramCache]: Analyzing trace with hash 403226511, now seen corresponding path program 1 times [2024-10-24 15:32:31,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:31,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89041049] [2024-10-24 15:32:31,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:31,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:32,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:32,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89041049] [2024-10-24 15:32:32,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89041049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:32,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:32,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:32,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392191489] [2024-10-24 15:32:32,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:32,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:32,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:32,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:32,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:32,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-24 15:32:32,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 312 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:32,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:32,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-24 15:32:32,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:34,780 INFO L124 PetriNetUnfolderBase]: 11629/18395 cut-off events. [2024-10-24 15:32:34,780 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2024-10-24 15:32:34,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35499 conditions, 18395 events. 11629/18395 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 128711 event pairs, 10560 based on Foata normal form. 0/17047 useless extension candidates. Maximal degree in co-relation 35430. Up to 15976 conditions per place. [2024-10-24 15:32:34,875 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 43 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-10-24 15:32:34,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 311 transitions, 732 flow [2024-10-24 15:32:34,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:34,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-10-24 15:32:34,877 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7799834574028123 [2024-10-24 15:32:34,877 INFO L175 Difference]: Start difference. First operand has 312 places, 312 transitions, 644 flow. Second operand 3 states and 943 transitions. [2024-10-24 15:32:34,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 311 transitions, 732 flow [2024-10-24 15:32:34,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 311 transitions, 728 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:34,881 INFO L231 Difference]: Finished difference. Result has 311 places, 311 transitions, 642 flow [2024-10-24 15:32:34,882 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=311, PETRI_TRANSITIONS=311} [2024-10-24 15:32:34,883 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -61 predicate places. [2024-10-24 15:32:34,883 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 311 transitions, 642 flow [2024-10-24 15:32:34,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:34,884 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] [2024-10-24 15:32:34,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:32:34,884 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:34,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:34,884 INFO L85 PathProgramCache]: Analyzing trace with hash -501871119, now seen corresponding path program 1 times [2024-10-24 15:32:34,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:34,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954476847] [2024-10-24 15:32:34,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:34,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:34,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:34,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954476847] [2024-10-24 15:32:34,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954476847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:34,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:34,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:34,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945909813] [2024-10-24 15:32:34,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:34,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:34,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:34,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:34,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:34,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 403 [2024-10-24 15:32:34,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 311 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:34,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:34,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 403 [2024-10-24 15:32:34,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:37,148 INFO L124 PetriNetUnfolderBase]: 11750/18600 cut-off events. [2024-10-24 15:32:37,148 INFO L125 PetriNetUnfolderBase]: For 1131/1131 co-relation queries the response was YES. [2024-10-24 15:32:37,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35901 conditions, 18600 events. 11750/18600 cut-off events. For 1131/1131 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130206 event pairs, 10673 based on Foata normal form. 0/17238 useless extension candidates. Maximal degree in co-relation 35824. Up to 16165 conditions per place. [2024-10-24 15:32:37,247 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 46 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-10-24 15:32:37,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 736 flow [2024-10-24 15:32:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-10-24 15:32:37,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7750206782464847 [2024-10-24 15:32:37,250 INFO L175 Difference]: Start difference. First operand has 311 places, 311 transitions, 642 flow. Second operand 3 states and 937 transitions. [2024-10-24 15:32:37,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 736 flow [2024-10-24 15:32:37,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 310 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:37,254 INFO L231 Difference]: Finished difference. Result has 310 places, 310 transitions, 640 flow [2024-10-24 15:32:37,254 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=310, PETRI_TRANSITIONS=310} [2024-10-24 15:32:37,255 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -62 predicate places. [2024-10-24 15:32:37,255 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 310 transitions, 640 flow [2024-10-24 15:32:37,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:37,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:37,256 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] [2024-10-24 15:32:37,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:32:37,256 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:37,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:37,257 INFO L85 PathProgramCache]: Analyzing trace with hash 3528391, now seen corresponding path program 1 times [2024-10-24 15:32:37,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:37,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323337310] [2024-10-24 15:32:37,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:37,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:37,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:37,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323337310] [2024-10-24 15:32:37,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323337310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:37,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:37,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:37,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688965454] [2024-10-24 15:32:37,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:37,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:37,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:37,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:37,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:37,327 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-24 15:32:37,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 310 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:37,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:37,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-24 15:32:37,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:40,262 INFO L124 PetriNetUnfolderBase]: 11629/18393 cut-off events. [2024-10-24 15:32:40,262 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2024-10-24 15:32:40,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35497 conditions, 18393 events. 11629/18393 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 128844 event pairs, 10560 based on Foata normal form. 0/17047 useless extension candidates. Maximal degree in co-relation 35412. Up to 15976 conditions per place. [2024-10-24 15:32:40,350 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 43 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-10-24 15:32:40,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 309 transitions, 728 flow [2024-10-24 15:32:40,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:40,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-10-24 15:32:40,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7799834574028123 [2024-10-24 15:32:40,353 INFO L175 Difference]: Start difference. First operand has 310 places, 310 transitions, 640 flow. Second operand 3 states and 943 transitions. [2024-10-24 15:32:40,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 309 transitions, 728 flow [2024-10-24 15:32:40,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 309 transitions, 724 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:40,358 INFO L231 Difference]: Finished difference. Result has 309 places, 309 transitions, 638 flow [2024-10-24 15:32:40,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=309, PETRI_TRANSITIONS=309} [2024-10-24 15:32:40,359 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -63 predicate places. [2024-10-24 15:32:40,360 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 309 transitions, 638 flow [2024-10-24 15:32:40,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:40,360 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:40,361 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:40,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:32:40,361 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:40,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash 797625121, now seen corresponding path program 1 times [2024-10-24 15:32:40,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:40,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136298650] [2024-10-24 15:32:40,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:40,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:40,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:40,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136298650] [2024-10-24 15:32:40,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136298650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:40,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:40,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:40,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782926034] [2024-10-24 15:32:40,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:40,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:40,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:40,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:40,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:40,444 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 403 [2024-10-24 15:32:40,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 309 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:40,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:40,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 403 [2024-10-24 15:32:40,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:42,881 INFO L124 PetriNetUnfolderBase]: 11750/18598 cut-off events. [2024-10-24 15:32:42,882 INFO L125 PetriNetUnfolderBase]: For 1131/1131 co-relation queries the response was YES. [2024-10-24 15:32:42,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35897 conditions, 18598 events. 11750/18598 cut-off events. For 1131/1131 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130469 event pairs, 10673 based on Foata normal form. 0/17201 useless extension candidates. Maximal degree in co-relation 35804. Up to 16163 conditions per place. [2024-10-24 15:32:42,987 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 44 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-10-24 15:32:42,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 308 transitions, 728 flow [2024-10-24 15:32:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2024-10-24 15:32:42,990 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7783291976840364 [2024-10-24 15:32:42,990 INFO L175 Difference]: Start difference. First operand has 309 places, 309 transitions, 638 flow. Second operand 3 states and 941 transitions. [2024-10-24 15:32:42,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 308 transitions, 728 flow [2024-10-24 15:32:42,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 308 transitions, 724 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:42,996 INFO L231 Difference]: Finished difference. Result has 308 places, 308 transitions, 636 flow [2024-10-24 15:32:42,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=308, PETRI_TRANSITIONS=308} [2024-10-24 15:32:42,998 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -64 predicate places. [2024-10-24 15:32:42,998 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 308 transitions, 636 flow [2024-10-24 15:32:42,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:42,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:42,999 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] [2024-10-24 15:32:42,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:32:42,999 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:43,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:43,000 INFO L85 PathProgramCache]: Analyzing trace with hash 988875937, now seen corresponding path program 1 times [2024-10-24 15:32:43,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:43,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064037753] [2024-10-24 15:32:43,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:43,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:43,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:43,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064037753] [2024-10-24 15:32:43,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064037753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:43,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:43,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:43,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484887107] [2024-10-24 15:32:43,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:43,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:43,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:43,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:43,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:43,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 403 [2024-10-24 15:32:43,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 308 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:43,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:43,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 403 [2024-10-24 15:32:43,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:45,571 INFO L124 PetriNetUnfolderBase]: 11750/18597 cut-off events. [2024-10-24 15:32:45,572 INFO L125 PetriNetUnfolderBase]: For 1131/1131 co-relation queries the response was YES. [2024-10-24 15:32:45,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35896 conditions, 18597 events. 11750/18597 cut-off events. For 1131/1131 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130298 event pairs, 10673 based on Foata normal form. 0/17194 useless extension candidates. Maximal degree in co-relation 35795. Up to 16163 conditions per place. [2024-10-24 15:32:45,666 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 44 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-10-24 15:32:45,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 307 transitions, 726 flow [2024-10-24 15:32:45,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2024-10-24 15:32:45,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7783291976840364 [2024-10-24 15:32:45,669 INFO L175 Difference]: Start difference. First operand has 308 places, 308 transitions, 636 flow. Second operand 3 states and 941 transitions. [2024-10-24 15:32:45,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 307 transitions, 726 flow [2024-10-24 15:32:45,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 307 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:45,674 INFO L231 Difference]: Finished difference. Result has 307 places, 307 transitions, 634 flow [2024-10-24 15:32:45,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=307, PETRI_TRANSITIONS=307} [2024-10-24 15:32:45,675 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -65 predicate places. [2024-10-24 15:32:45,675 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 307 transitions, 634 flow [2024-10-24 15:32:45,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:45,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:45,676 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] [2024-10-24 15:32:45,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:32:45,677 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-24 15:32:45,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:45,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1725167456, now seen corresponding path program 1 times [2024-10-24 15:32:45,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:45,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424045834] [2024-10-24 15:32:45,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:45,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:45,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:45,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424045834] [2024-10-24 15:32:45,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424045834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:45,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:45,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:45,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278318343] [2024-10-24 15:32:45,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:45,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:45,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:45,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:45,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:45,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-24 15:32:45,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 307 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:32:45,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:45,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-24 15:32:45,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand