./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/popl20-bad-buffer-mult-alt2.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/popl20-bad-buffer-mult-alt2.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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:32:52,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:32:52,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:32:52,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:32:52,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:32:52,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:32:52,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:32:52,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:32:52,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:32:52,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:32:52,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:32:52,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:32:52,603 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:32:52,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:32:52,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:32:52,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:32:52,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:32:52,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:32:52,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:32:52,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:32:52,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:32:52,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:32:52,613 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:32:52,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:32:52,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:32:52,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:32:52,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:32:52,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:32:52,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:32:52,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:32:52,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:32:52,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:32:52,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:32:52,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:32:52,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:32:52,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:32:52,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:32:52,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:32:52,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:32:52,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:32:52,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:32:52,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2024-10-24 15:32:52,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:32:52,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:32:52,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:32:52,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:32:52,911 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:32:52,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-10-24 15:32:54,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:32:54,660 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:32:54,660 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-10-24 15:32:54,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5ff17419/130f0a5250e640dea583b6b63a633e12/FLAGedc866acb [2024-10-24 15:32:54,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5ff17419/130f0a5250e640dea583b6b63a633e12 [2024-10-24 15:32:54,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:32:54,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:32:54,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:32:54,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:32:54,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:32:54,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:32:54" (1/1) ... [2024-10-24 15:32:54,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d0dca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:54, skipping insertion in model container [2024-10-24 15:32:54,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:32:54" (1/1) ... [2024-10-24 15:32:54,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:32:54,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:32:55,001 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:32:55,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:32:55,063 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:32:55,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55 WrapperNode [2024-10-24 15:32:55,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:32:55,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:32:55,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:32:55,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:32:55,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,133 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 615 [2024-10-24 15:32:55,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:32:55,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:32:55,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:32:55,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:32:55,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:32:55,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:32:55,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:32:55,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:32:55,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (1/1) ... [2024-10-24 15:32:55,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:32:55,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:32:55,244 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 15:32:55,248 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 15:32:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:32:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:32:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:32:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:32:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:32:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:32:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:32:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-24 15:32:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-24 15:32:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:32:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:32:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:32:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:32:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:32:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:32:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:32:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:32:55,310 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 15:32:55,461 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:32:55,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:32:56,464 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:32:56,464 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:32:57,059 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:32:57,059 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-24 15:32:57,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:57 BoogieIcfgContainer [2024-10-24 15:32:57,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:32:57,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:32:57,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:32:57,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:32:57,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:32:54" (1/3) ... [2024-10-24 15:32:57,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ccc868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:32:57, skipping insertion in model container [2024-10-24 15:32:57,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:32:55" (2/3) ... [2024-10-24 15:32:57,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ccc868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:32:57, skipping insertion in model container [2024-10-24 15:32:57,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:57" (3/3) ... [2024-10-24 15:32:57,069 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-10-24 15:32:57,085 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:32:57,085 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 95 error locations. [2024-10-24 15:32:57,085 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:32:57,207 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-24 15:32:57,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 431 places, 441 transitions, 910 flow [2024-10-24 15:32:57,478 INFO L124 PetriNetUnfolderBase]: 23/437 cut-off events. [2024-10-24 15:32:57,478 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:32:57,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 437 events. 23/437 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 641 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 388. Up to 2 conditions per place. [2024-10-24 15:32:57,490 INFO L82 GeneralOperation]: Start removeDead. Operand has 431 places, 441 transitions, 910 flow [2024-10-24 15:32:57,502 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 411 places, 420 transitions, 864 flow [2024-10-24 15:32:57,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:32:57,529 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;@7df33743, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:32:57,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 169 error locations. [2024-10-24 15:32:57,536 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:32:57,537 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-24 15:32:57,537 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:32:57,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:57,538 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] [2024-10-24 15:32:57,539 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:32:57,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:57,544 INFO L85 PathProgramCache]: Analyzing trace with hash -217748628, now seen corresponding path program 1 times [2024-10-24 15:32:57,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:57,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276449323] [2024-10-24 15:32:57,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:57,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:57,789 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 15:32:57,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:57,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276449323] [2024-10-24 15:32:57,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276449323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:57,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:57,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:57,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673808470] [2024-10-24 15:32:57,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:57,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:57,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:57,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:57,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:57,861 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 441 [2024-10-24 15:32:57,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 420 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 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 15:32:57,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:57,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 441 [2024-10-24 15:32:57,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:58,319 INFO L124 PetriNetUnfolderBase]: 454/1201 cut-off events. [2024-10-24 15:32:58,320 INFO L125 PetriNetUnfolderBase]: For 158/158 co-relation queries the response was YES. [2024-10-24 15:32:58,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1942 conditions, 1201 events. 454/1201 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5259 event pairs, 272 based on Foata normal form. 184/1252 useless extension candidates. Maximal degree in co-relation 1525. Up to 614 conditions per place. [2024-10-24 15:32:58,337 INFO L140 encePairwiseOnDemand]: 356/441 looper letters, 25 selfloop transitions, 2 changer transitions 6/337 dead transitions. [2024-10-24 15:32:58,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 337 transitions, 752 flow [2024-10-24 15:32:58,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:58,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:58,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1094 transitions. [2024-10-24 15:32:58,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8269085411942555 [2024-10-24 15:32:58,359 INFO L175 Difference]: Start difference. First operand has 411 places, 420 transitions, 864 flow. Second operand 3 states and 1094 transitions. [2024-10-24 15:32:58,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 337 transitions, 752 flow [2024-10-24 15:32:58,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 337 transitions, 736 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-24 15:32:58,372 INFO L231 Difference]: Finished difference. Result has 334 places, 331 transitions, 674 flow [2024-10-24 15:32:58,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=674, PETRI_PLACES=334, PETRI_TRANSITIONS=331} [2024-10-24 15:32:58,380 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -77 predicate places. [2024-10-24 15:32:58,380 INFO L471 AbstractCegarLoop]: Abstraction has has 334 places, 331 transitions, 674 flow [2024-10-24 15:32:58,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 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 15:32:58,381 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:58,382 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] [2024-10-24 15:32:58,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:32:58,383 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:32:58,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:58,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2035310580, now seen corresponding path program 1 times [2024-10-24 15:32:58,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:58,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385504536] [2024-10-24 15:32:58,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:58,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:58,469 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 15:32:58,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:58,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385504536] [2024-10-24 15:32:58,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385504536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:58,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:58,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:58,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979974399] [2024-10-24 15:32:58,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:58,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:58,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:58,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:58,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:58,500 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 441 [2024-10-24 15:32:58,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 331 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 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 15:32:58,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:58,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 441 [2024-10-24 15:32:58,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:58,868 INFO L124 PetriNetUnfolderBase]: 454/1194 cut-off events. [2024-10-24 15:32:58,869 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:32:58,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 1194 events. 454/1194 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5230 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1814. Up to 614 conditions per place. [2024-10-24 15:32:58,876 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 25 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2024-10-24 15:32:58,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 330 transitions, 726 flow [2024-10-24 15:32:58,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2024-10-24 15:32:58,879 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.764928193499622 [2024-10-24 15:32:58,879 INFO L175 Difference]: Start difference. First operand has 334 places, 331 transitions, 674 flow. Second operand 3 states and 1012 transitions. [2024-10-24 15:32:58,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 330 transitions, 726 flow [2024-10-24 15:32:58,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 330 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:58,886 INFO L231 Difference]: Finished difference. Result has 327 places, 330 transitions, 672 flow [2024-10-24 15:32:58,887 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=672, PETRI_PLACES=327, PETRI_TRANSITIONS=330} [2024-10-24 15:32:58,888 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -84 predicate places. [2024-10-24 15:32:58,888 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 330 transitions, 672 flow [2024-10-24 15:32:58,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 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 15:32:58,889 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:58,889 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] [2024-10-24 15:32:58,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:32:58,890 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:32:58,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:58,891 INFO L85 PathProgramCache]: Analyzing trace with hash 99853079, now seen corresponding path program 1 times [2024-10-24 15:32:58,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:58,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806158678] [2024-10-24 15:32:58,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:58,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:58,947 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 15:32:58,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:58,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806158678] [2024-10-24 15:32:58,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806158678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:58,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:58,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:58,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479769865] [2024-10-24 15:32:58,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:58,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:58,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:58,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:58,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:58,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-10-24 15:32:58,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 330 transitions, 672 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:32:58,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:58,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-10-24 15:32:58,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:59,285 INFO L124 PetriNetUnfolderBase]: 454/1193 cut-off events. [2024-10-24 15:32:59,285 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:32:59,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1852 conditions, 1193 events. 454/1193 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5232 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1804. Up to 613 conditions per place. [2024-10-24 15:32:59,294 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2024-10-24 15:32:59,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 329 transitions, 722 flow [2024-10-24 15:32:59,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:59,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-10-24 15:32:59,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7664399092970522 [2024-10-24 15:32:59,298 INFO L175 Difference]: Start difference. First operand has 327 places, 330 transitions, 672 flow. Second operand 3 states and 1014 transitions. [2024-10-24 15:32:59,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 329 transitions, 722 flow [2024-10-24 15:32:59,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 329 transitions, 718 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:59,305 INFO L231 Difference]: Finished difference. Result has 326 places, 329 transitions, 670 flow [2024-10-24 15:32:59,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=670, PETRI_PLACES=326, PETRI_TRANSITIONS=329} [2024-10-24 15:32:59,306 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -85 predicate places. [2024-10-24 15:32:59,307 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 329 transitions, 670 flow [2024-10-24 15:32:59,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:32:59,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:59,308 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] [2024-10-24 15:32:59,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:32:59,308 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:32:59,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:59,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1751934238, now seen corresponding path program 1 times [2024-10-24 15:32:59,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:59,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574884735] [2024-10-24 15:32:59,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:59,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:59,380 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 15:32:59,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:59,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574884735] [2024-10-24 15:32:59,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574884735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:59,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:59,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:59,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211330193] [2024-10-24 15:32:59,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:59,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:59,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:59,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:59,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:59,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-10-24 15:32:59,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 329 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:32:59,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:59,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-10-24 15:32:59,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:59,704 INFO L124 PetriNetUnfolderBase]: 454/1192 cut-off events. [2024-10-24 15:32:59,704 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:32:59,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1851 conditions, 1192 events. 454/1192 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5224 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1795. Up to 613 conditions per place. [2024-10-24 15:32:59,712 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 2 changer transitions 0/328 dead transitions. [2024-10-24 15:32:59,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 328 transitions, 720 flow [2024-10-24 15:32:59,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:59,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-10-24 15:32:59,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7664399092970522 [2024-10-24 15:32:59,716 INFO L175 Difference]: Start difference. First operand has 326 places, 329 transitions, 670 flow. Second operand 3 states and 1014 transitions. [2024-10-24 15:32:59,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 328 transitions, 720 flow [2024-10-24 15:32:59,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 328 transitions, 716 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:59,721 INFO L231 Difference]: Finished difference. Result has 325 places, 328 transitions, 668 flow [2024-10-24 15:32:59,722 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=325, PETRI_TRANSITIONS=328} [2024-10-24 15:32:59,723 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -86 predicate places. [2024-10-24 15:32:59,723 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 328 transitions, 668 flow [2024-10-24 15:32:59,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:32:59,724 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:59,725 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] [2024-10-24 15:32:59,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:32:59,725 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:32:59,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:59,726 INFO L85 PathProgramCache]: Analyzing trace with hash -927214196, now seen corresponding path program 1 times [2024-10-24 15:32:59,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:59,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634364519] [2024-10-24 15:32:59,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:59,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:59,803 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 15:32:59,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:59,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634364519] [2024-10-24 15:32:59,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634364519] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:59,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:59,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:59,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368557457] [2024-10-24 15:32:59,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:59,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:59,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:59,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:59,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:59,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-10-24 15:32:59,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 328 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:32:59,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:59,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-10-24 15:32:59,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:00,095 INFO L124 PetriNetUnfolderBase]: 454/1191 cut-off events. [2024-10-24 15:33:00,096 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:00,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1850 conditions, 1191 events. 454/1191 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5205 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1786. Up to 613 conditions per place. [2024-10-24 15:33:00,102 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 2 changer transitions 0/327 dead transitions. [2024-10-24 15:33:00,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 327 transitions, 718 flow [2024-10-24 15:33:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-10-24 15:33:00,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7664399092970522 [2024-10-24 15:33:00,106 INFO L175 Difference]: Start difference. First operand has 325 places, 328 transitions, 668 flow. Second operand 3 states and 1014 transitions. [2024-10-24 15:33:00,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 327 transitions, 718 flow [2024-10-24 15:33:00,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 327 transitions, 714 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:00,111 INFO L231 Difference]: Finished difference. Result has 324 places, 327 transitions, 666 flow [2024-10-24 15:33:00,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=324, PETRI_TRANSITIONS=327} [2024-10-24 15:33:00,112 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -87 predicate places. [2024-10-24 15:33:00,113 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 327 transitions, 666 flow [2024-10-24 15:33:00,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:00,113 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:00,114 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:00,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:33:00,114 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:00,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:00,115 INFO L85 PathProgramCache]: Analyzing trace with hash -897493643, now seen corresponding path program 1 times [2024-10-24 15:33:00,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:00,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367238770] [2024-10-24 15:33:00,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:00,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:00,168 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 15:33:00,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:00,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367238770] [2024-10-24 15:33:00,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367238770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:00,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:00,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:00,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715688076] [2024-10-24 15:33:00,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:00,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:00,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:00,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:00,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:00,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-10-24 15:33:00,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 327 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:00,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:00,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-10-24 15:33:00,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:00,424 INFO L124 PetriNetUnfolderBase]: 454/1190 cut-off events. [2024-10-24 15:33:00,424 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:00,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1849 conditions, 1190 events. 454/1190 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5205 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1777. Up to 613 conditions per place. [2024-10-24 15:33:00,434 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 2 changer transitions 0/326 dead transitions. [2024-10-24 15:33:00,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 326 transitions, 716 flow [2024-10-24 15:33:00,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-10-24 15:33:00,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7664399092970522 [2024-10-24 15:33:00,438 INFO L175 Difference]: Start difference. First operand has 324 places, 327 transitions, 666 flow. Second operand 3 states and 1014 transitions. [2024-10-24 15:33:00,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 326 transitions, 716 flow [2024-10-24 15:33:00,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 326 transitions, 712 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:00,446 INFO L231 Difference]: Finished difference. Result has 323 places, 326 transitions, 664 flow [2024-10-24 15:33:00,447 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=664, PETRI_PLACES=323, PETRI_TRANSITIONS=326} [2024-10-24 15:33:00,447 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -88 predicate places. [2024-10-24 15:33:00,448 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 326 transitions, 664 flow [2024-10-24 15:33:00,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:00,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:00,449 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] [2024-10-24 15:33:00,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:33:00,449 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:00,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:00,449 INFO L85 PathProgramCache]: Analyzing trace with hash 2142561607, now seen corresponding path program 1 times [2024-10-24 15:33:00,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:00,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047984311] [2024-10-24 15:33:00,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:00,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:00,506 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 15:33:00,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:00,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047984311] [2024-10-24 15:33:00,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047984311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:00,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:00,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:00,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644492861] [2024-10-24 15:33:00,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:00,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:00,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:00,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:00,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:00,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-10-24 15:33:00,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 326 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:00,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:00,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-10-24 15:33:00,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:00,764 INFO L124 PetriNetUnfolderBase]: 454/1189 cut-off events. [2024-10-24 15:33:00,764 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:00,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1848 conditions, 1189 events. 454/1189 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5191 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1768. Up to 613 conditions per place. [2024-10-24 15:33:00,773 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 2 changer transitions 0/325 dead transitions. [2024-10-24 15:33:00,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 325 transitions, 714 flow [2024-10-24 15:33:00,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:00,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-10-24 15:33:00,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7664399092970522 [2024-10-24 15:33:00,776 INFO L175 Difference]: Start difference. First operand has 323 places, 326 transitions, 664 flow. Second operand 3 states and 1014 transitions. [2024-10-24 15:33:00,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 325 transitions, 714 flow [2024-10-24 15:33:00,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 325 transitions, 710 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:00,781 INFO L231 Difference]: Finished difference. Result has 322 places, 325 transitions, 662 flow [2024-10-24 15:33:00,782 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=322, PETRI_TRANSITIONS=325} [2024-10-24 15:33:00,783 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -89 predicate places. [2024-10-24 15:33:00,783 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 325 transitions, 662 flow [2024-10-24 15:33:00,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:00,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:00,784 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] [2024-10-24 15:33:00,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:33:00,785 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:00,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:00,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1197129863, now seen corresponding path program 1 times [2024-10-24 15:33:00,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:00,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060053665] [2024-10-24 15:33:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:00,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:00,821 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 15:33:00,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060053665] [2024-10-24 15:33:00,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060053665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:00,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:00,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:00,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420687591] [2024-10-24 15:33:00,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:00,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:00,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:00,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:00,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:00,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-10-24 15:33:00,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 325 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:00,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:00,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-10-24 15:33:00,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:01,063 INFO L124 PetriNetUnfolderBase]: 454/1188 cut-off events. [2024-10-24 15:33:01,063 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:01,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1847 conditions, 1188 events. 454/1188 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5158 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1759. Up to 613 conditions per place. [2024-10-24 15:33:01,071 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 2 changer transitions 0/324 dead transitions. [2024-10-24 15:33:01,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 324 transitions, 712 flow [2024-10-24 15:33:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-10-24 15:33:01,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7664399092970522 [2024-10-24 15:33:01,074 INFO L175 Difference]: Start difference. First operand has 322 places, 325 transitions, 662 flow. Second operand 3 states and 1014 transitions. [2024-10-24 15:33:01,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 324 transitions, 712 flow [2024-10-24 15:33:01,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 324 transitions, 708 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:01,079 INFO L231 Difference]: Finished difference. Result has 321 places, 324 transitions, 660 flow [2024-10-24 15:33:01,080 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=321, PETRI_TRANSITIONS=324} [2024-10-24 15:33:01,082 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -90 predicate places. [2024-10-24 15:33:01,083 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 324 transitions, 660 flow [2024-10-24 15:33:01,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:01,085 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:01,085 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] [2024-10-24 15:33:01,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:33:01,086 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:01,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:01,086 INFO L85 PathProgramCache]: Analyzing trace with hash 208725674, now seen corresponding path program 1 times [2024-10-24 15:33:01,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:01,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687748901] [2024-10-24 15:33:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:01,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:01,135 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 15:33:01,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:01,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687748901] [2024-10-24 15:33:01,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687748901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:01,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:01,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:01,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986695261] [2024-10-24 15:33:01,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:01,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:01,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:01,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:01,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:01,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 441 [2024-10-24 15:33:01,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 324 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:01,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:01,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 441 [2024-10-24 15:33:01,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:01,429 INFO L124 PetriNetUnfolderBase]: 454/1187 cut-off events. [2024-10-24 15:33:01,430 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:01,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1846 conditions, 1187 events. 454/1187 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5212 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1750. Up to 613 conditions per place. [2024-10-24 15:33:01,438 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2024-10-24 15:33:01,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 323 transitions, 710 flow [2024-10-24 15:33:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2024-10-24 15:33:01,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7664399092970522 [2024-10-24 15:33:01,442 INFO L175 Difference]: Start difference. First operand has 321 places, 324 transitions, 660 flow. Second operand 3 states and 1014 transitions. [2024-10-24 15:33:01,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 323 transitions, 710 flow [2024-10-24 15:33:01,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 323 transitions, 706 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:01,449 INFO L231 Difference]: Finished difference. Result has 320 places, 323 transitions, 658 flow [2024-10-24 15:33:01,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=320, PETRI_TRANSITIONS=323} [2024-10-24 15:33:01,451 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -91 predicate places. [2024-10-24 15:33:01,451 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 323 transitions, 658 flow [2024-10-24 15:33:01,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 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 15:33:01,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:01,452 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] [2024-10-24 15:33:01,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:33:01,452 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:01,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:01,453 INFO L85 PathProgramCache]: Analyzing trace with hash 178268364, now seen corresponding path program 1 times [2024-10-24 15:33:01,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:01,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896244760] [2024-10-24 15:33:01,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:01,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:01,505 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 15:33:01,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:01,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896244760] [2024-10-24 15:33:01,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896244760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:01,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:01,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:01,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986148334] [2024-10-24 15:33:01,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:01,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:01,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:01,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:01,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:01,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 441 [2024-10-24 15:33:01,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 323 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:01,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:01,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 441 [2024-10-24 15:33:01,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:01,754 INFO L124 PetriNetUnfolderBase]: 454/1186 cut-off events. [2024-10-24 15:33:01,754 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:01,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1842 conditions, 1186 events. 454/1186 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5203 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1738. Up to 610 conditions per place. [2024-10-24 15:33:01,763 INFO L140 encePairwiseOnDemand]: 439/441 looper letters, 22 selfloop transitions, 1 changer transitions 0/322 dead transitions. [2024-10-24 15:33:01,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 322 transitions, 702 flow [2024-10-24 15:33:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:01,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2024-10-24 15:33:01,767 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7732426303854876 [2024-10-24 15:33:01,767 INFO L175 Difference]: Start difference. First operand has 320 places, 323 transitions, 658 flow. Second operand 3 states and 1023 transitions. [2024-10-24 15:33:01,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 322 transitions, 702 flow [2024-10-24 15:33:01,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 322 transitions, 698 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:01,772 INFO L231 Difference]: Finished difference. Result has 319 places, 322 transitions, 654 flow [2024-10-24 15:33:01,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=319, PETRI_TRANSITIONS=322} [2024-10-24 15:33:01,773 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -92 predicate places. [2024-10-24 15:33:01,773 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 322 transitions, 654 flow [2024-10-24 15:33:01,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:01,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:01,774 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:01,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:33:01,775 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:01,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:01,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1680157895, now seen corresponding path program 1 times [2024-10-24 15:33:01,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:01,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639444944] [2024-10-24 15:33:01,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:01,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:01,848 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 15:33:01,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:01,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639444944] [2024-10-24 15:33:01,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639444944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:01,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:01,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:01,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805450384] [2024-10-24 15:33:01,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:01,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:01,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:01,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:01,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:01,860 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 441 [2024-10-24 15:33:01,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 322 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 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 15:33:01,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:01,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 441 [2024-10-24 15:33:01,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:02,082 INFO L124 PetriNetUnfolderBase]: 454/1185 cut-off events. [2024-10-24 15:33:02,083 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:02,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1842 conditions, 1185 events. 454/1185 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5198 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1738. Up to 612 conditions per place. [2024-10-24 15:33:02,091 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 23 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-10-24 15:33:02,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 321 transitions, 702 flow [2024-10-24 15:33:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-24 15:33:02,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7679516250944822 [2024-10-24 15:33:02,094 INFO L175 Difference]: Start difference. First operand has 319 places, 322 transitions, 654 flow. Second operand 3 states and 1016 transitions. [2024-10-24 15:33:02,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 321 transitions, 702 flow [2024-10-24 15:33:02,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 321 transitions, 701 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:02,100 INFO L231 Difference]: Finished difference. Result has 319 places, 321 transitions, 655 flow [2024-10-24 15:33:02,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=319, PETRI_TRANSITIONS=321} [2024-10-24 15:33:02,102 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -92 predicate places. [2024-10-24 15:33:02,102 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 321 transitions, 655 flow [2024-10-24 15:33:02,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 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 15:33:02,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:02,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:02,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:33:02,103 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:02,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:02,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1085041701, now seen corresponding path program 1 times [2024-10-24 15:33:02,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:02,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852922453] [2024-10-24 15:33:02,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:02,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:02,633 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 15:33:02,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:02,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852922453] [2024-10-24 15:33:02,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852922453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:02,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:02,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:33:02,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009116431] [2024-10-24 15:33:02,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:02,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:33:02,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:02,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:33:02,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:33:02,756 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 441 [2024-10-24 15:33:02,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 321 transitions, 655 flow. Second operand has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 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 15:33:02,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:02,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 441 [2024-10-24 15:33:02,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:03,016 INFO L124 PetriNetUnfolderBase]: 454/1183 cut-off events. [2024-10-24 15:33:03,016 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:03,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 1183 events. 454/1183 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5200 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1760. Up to 625 conditions per place. [2024-10-24 15:33:03,024 INFO L140 encePairwiseOnDemand]: 429/441 looper letters, 36 selfloop transitions, 10 changer transitions 0/319 dead transitions. [2024-10-24 15:33:03,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 319 transitions, 743 flow [2024-10-24 15:33:03,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:33:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:33:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1902 transitions. [2024-10-24 15:33:03,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7188208616780045 [2024-10-24 15:33:03,030 INFO L175 Difference]: Start difference. First operand has 319 places, 321 transitions, 655 flow. Second operand 6 states and 1902 transitions. [2024-10-24 15:33:03,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 319 transitions, 743 flow [2024-10-24 15:33:03,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 319 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:03,035 INFO L231 Difference]: Finished difference. Result has 320 places, 319 transitions, 667 flow [2024-10-24 15:33:03,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=667, PETRI_PLACES=320, PETRI_TRANSITIONS=319} [2024-10-24 15:33:03,037 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -91 predicate places. [2024-10-24 15:33:03,038 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 319 transitions, 667 flow [2024-10-24 15:33:03,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 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 15:33:03,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:03,039 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:03,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:33:03,040 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:03,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1145315122, now seen corresponding path program 1 times [2024-10-24 15:33:03,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:03,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930903886] [2024-10-24 15:33:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:03,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:03,082 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 15:33:03,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:03,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930903886] [2024-10-24 15:33:03,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930903886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:03,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:03,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:03,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286018730] [2024-10-24 15:33:03,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:03,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:03,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:03,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:03,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:03,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 441 [2024-10-24 15:33:03,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 319 transitions, 667 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:03,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:03,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 441 [2024-10-24 15:33:03,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:03,308 INFO L124 PetriNetUnfolderBase]: 454/1182 cut-off events. [2024-10-24 15:33:03,308 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:03,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1847 conditions, 1182 events. 454/1182 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5196 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1814. Up to 610 conditions per place. [2024-10-24 15:33:03,315 INFO L140 encePairwiseOnDemand]: 439/441 looper letters, 22 selfloop transitions, 1 changer transitions 0/318 dead transitions. [2024-10-24 15:33:03,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 318 transitions, 711 flow [2024-10-24 15:33:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2024-10-24 15:33:03,318 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7732426303854876 [2024-10-24 15:33:03,318 INFO L175 Difference]: Start difference. First operand has 320 places, 319 transitions, 667 flow. Second operand 3 states and 1023 transitions. [2024-10-24 15:33:03,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 318 transitions, 711 flow [2024-10-24 15:33:03,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 318 transitions, 691 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:33:03,323 INFO L231 Difference]: Finished difference. Result has 316 places, 318 transitions, 647 flow [2024-10-24 15:33:03,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=647, PETRI_PLACES=316, PETRI_TRANSITIONS=318} [2024-10-24 15:33:03,325 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -95 predicate places. [2024-10-24 15:33:03,325 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 318 transitions, 647 flow [2024-10-24 15:33:03,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:03,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:03,326 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:03,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:33:03,326 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:03,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:03,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1783595941, now seen corresponding path program 1 times [2024-10-24 15:33:03,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:03,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641164983] [2024-10-24 15:33:03,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:03,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:03,370 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 15:33:03,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:03,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641164983] [2024-10-24 15:33:03,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641164983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:03,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:03,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:03,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634761447] [2024-10-24 15:33:03,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:03,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:03,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:03,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:03,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:03,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 441 [2024-10-24 15:33:03,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 318 transitions, 647 flow. Second operand has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 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 15:33:03,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:03,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 441 [2024-10-24 15:33:03,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:03,630 INFO L124 PetriNetUnfolderBase]: 454/1181 cut-off events. [2024-10-24 15:33:03,631 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:03,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1839 conditions, 1181 events. 454/1181 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5194 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1735. Up to 612 conditions per place. [2024-10-24 15:33:03,636 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 23 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2024-10-24 15:33:03,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 317 transitions, 695 flow [2024-10-24 15:33:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-10-24 15:33:03,639 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7679516250944822 [2024-10-24 15:33:03,639 INFO L175 Difference]: Start difference. First operand has 316 places, 318 transitions, 647 flow. Second operand 3 states and 1016 transitions. [2024-10-24 15:33:03,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 317 transitions, 695 flow [2024-10-24 15:33:03,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 317 transitions, 694 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:03,644 INFO L231 Difference]: Finished difference. Result has 316 places, 317 transitions, 648 flow [2024-10-24 15:33:03,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=314, 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=648, PETRI_PLACES=316, PETRI_TRANSITIONS=317} [2024-10-24 15:33:03,645 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -95 predicate places. [2024-10-24 15:33:03,645 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 317 transitions, 648 flow [2024-10-24 15:33:03,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 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 15:33:03,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:03,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:03,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:33:03,647 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:03,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:03,647 INFO L85 PathProgramCache]: Analyzing trace with hash -309532110, now seen corresponding path program 1 times [2024-10-24 15:33:03,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:03,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371079623] [2024-10-24 15:33:03,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:03,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:03,695 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 15:33:03,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:03,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371079623] [2024-10-24 15:33:03,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371079623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:03,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:03,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:03,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430539633] [2024-10-24 15:33:03,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:03,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:03,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:03,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:03,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:03,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 441 [2024-10-24 15:33:03,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 317 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 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 15:33:03,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:03,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 441 [2024-10-24 15:33:03,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:03,923 INFO L124 PetriNetUnfolderBase]: 454/1179 cut-off events. [2024-10-24 15:33:03,923 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:03,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1839 conditions, 1179 events. 454/1179 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5177 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1735. Up to 612 conditions per place. [2024-10-24 15:33:03,931 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 1 changer transitions 0/315 dead transitions. [2024-10-24 15:33:03,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 315 transitions, 694 flow [2024-10-24 15:33:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions. [2024-10-24 15:33:03,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7687074829931972 [2024-10-24 15:33:03,934 INFO L175 Difference]: Start difference. First operand has 316 places, 317 transitions, 648 flow. Second operand 3 states and 1017 transitions. [2024-10-24 15:33:03,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 315 transitions, 694 flow [2024-10-24 15:33:03,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 690 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:03,940 INFO L231 Difference]: Finished difference. Result has 314 places, 315 transitions, 642 flow [2024-10-24 15:33:03,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=314, PETRI_TRANSITIONS=315} [2024-10-24 15:33:03,941 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -97 predicate places. [2024-10-24 15:33:03,942 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 315 transitions, 642 flow [2024-10-24 15:33:03,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 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 15:33:03,942 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:03,943 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:03,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:33:03,943 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:03,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:03,944 INFO L85 PathProgramCache]: Analyzing trace with hash -252932681, now seen corresponding path program 1 times [2024-10-24 15:33:03,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:03,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237376943] [2024-10-24 15:33:03,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:03,993 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 15:33:03,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:03,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237376943] [2024-10-24 15:33:03,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237376943] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:03,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:03,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:03,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649298828] [2024-10-24 15:33:03,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:03,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:03,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:03,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:03,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:04,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 441 [2024-10-24 15:33:04,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 315 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:04,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:04,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 441 [2024-10-24 15:33:04,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:04,278 INFO L124 PetriNetUnfolderBase]: 454/1178 cut-off events. [2024-10-24 15:33:04,278 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:04,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1178 events. 454/1178 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5161 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1731. Up to 610 conditions per place. [2024-10-24 15:33:04,286 INFO L140 encePairwiseOnDemand]: 439/441 looper letters, 22 selfloop transitions, 1 changer transitions 0/314 dead transitions. [2024-10-24 15:33:04,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 314 transitions, 686 flow [2024-10-24 15:33:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2024-10-24 15:33:04,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7732426303854876 [2024-10-24 15:33:04,290 INFO L175 Difference]: Start difference. First operand has 314 places, 315 transitions, 642 flow. Second operand 3 states and 1023 transitions. [2024-10-24 15:33:04,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 314 transitions, 686 flow [2024-10-24 15:33:04,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 314 transitions, 685 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:04,295 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 641 flow [2024-10-24 15:33:04,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2024-10-24 15:33:04,296 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -97 predicate places. [2024-10-24 15:33:04,297 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 641 flow [2024-10-24 15:33:04,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:04,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:04,298 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:04,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:33:04,298 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:04,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:04,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1744896250, now seen corresponding path program 1 times [2024-10-24 15:33:04,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:04,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342254346] [2024-10-24 15:33:04,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:04,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:04,355 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 15:33:04,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:04,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342254346] [2024-10-24 15:33:04,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342254346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:04,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:04,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:04,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120833330] [2024-10-24 15:33:04,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:04,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:04,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:04,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:04,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:04,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 441 [2024-10-24 15:33:04,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 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 15:33:04,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:04,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 441 [2024-10-24 15:33:04,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:04,602 INFO L124 PetriNetUnfolderBase]: 454/1176 cut-off events. [2024-10-24 15:33:04,602 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 15:33:04,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1836 conditions, 1176 events. 454/1176 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5190 event pairs, 272 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1732. Up to 612 conditions per place. [2024-10-24 15:33:04,610 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 24 selfloop transitions, 1 changer transitions 0/312 dead transitions. [2024-10-24 15:33:04,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 312 transitions, 687 flow [2024-10-24 15:33:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions. [2024-10-24 15:33:04,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7687074829931972 [2024-10-24 15:33:04,613 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 641 flow. Second operand 3 states and 1017 transitions. [2024-10-24 15:33:04,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 312 transitions, 687 flow [2024-10-24 15:33:04,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 312 transitions, 686 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:04,618 INFO L231 Difference]: Finished difference. Result has 313 places, 312 transitions, 638 flow [2024-10-24 15:33:04,619 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=313, PETRI_TRANSITIONS=312} [2024-10-24 15:33:04,619 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -98 predicate places. [2024-10-24 15:33:04,619 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 312 transitions, 638 flow [2024-10-24 15:33:04,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 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 15:33:04,620 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:04,620 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:04,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:33:04,620 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:04,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:04,621 INFO L85 PathProgramCache]: Analyzing trace with hash 531211510, now seen corresponding path program 1 times [2024-10-24 15:33:04,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:04,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635834571] [2024-10-24 15:33:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:04,667 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 15:33:04,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:04,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635834571] [2024-10-24 15:33:04,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635834571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:04,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:04,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:04,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74449402] [2024-10-24 15:33:04,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:04,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:04,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:04,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:04,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:04,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 441 [2024-10-24 15:33:04,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 312 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:04,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:04,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 441 [2024-10-24 15:33:04,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:05,063 INFO L124 PetriNetUnfolderBase]: 761/1916 cut-off events. [2024-10-24 15:33:05,063 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-10-24 15:33:05,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3025 conditions, 1916 events. 761/1916 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 10681 event pairs, 443 based on Foata normal form. 0/1713 useless extension candidates. Maximal degree in co-relation 2921. Up to 658 conditions per place. [2024-10-24 15:33:05,078 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 40 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2024-10-24 15:33:05,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 330 transitions, 766 flow [2024-10-24 15:33:05,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:05,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1042 transitions. [2024-10-24 15:33:05,083 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7876039304610734 [2024-10-24 15:33:05,083 INFO L175 Difference]: Start difference. First operand has 313 places, 312 transitions, 638 flow. Second operand 3 states and 1042 transitions. [2024-10-24 15:33:05,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 330 transitions, 766 flow [2024-10-24 15:33:05,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 330 transitions, 765 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:05,092 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 645 flow [2024-10-24 15:33:05,093 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=645, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2024-10-24 15:33:05,093 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -97 predicate places. [2024-10-24 15:33:05,093 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 645 flow [2024-10-24 15:33:05,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:05,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:05,094 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:05,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 15:33:05,095 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:05,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash -606781788, now seen corresponding path program 1 times [2024-10-24 15:33:05,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:05,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297235274] [2024-10-24 15:33:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:05,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:05,160 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 15:33:05,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:05,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297235274] [2024-10-24 15:33:05,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297235274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:05,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:05,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:05,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142333890] [2024-10-24 15:33:05,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:05,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:05,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:05,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:05,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:05,172 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 441 [2024-10-24 15:33:05,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:05,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:05,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 441 [2024-10-24 15:33:05,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:05,717 INFO L124 PetriNetUnfolderBase]: 1158/2863 cut-off events. [2024-10-24 15:33:05,717 INFO L125 PetriNetUnfolderBase]: For 286/286 co-relation queries the response was YES. [2024-10-24 15:33:05,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4780 conditions, 2863 events. 1158/2863 cut-off events. For 286/286 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 18573 event pairs, 457 based on Foata normal form. 0/2539 useless extension candidates. Maximal degree in co-relation 4675. Up to 841 conditions per place. [2024-10-24 15:33:05,740 INFO L140 encePairwiseOnDemand]: 437/441 looper letters, 41 selfloop transitions, 4 changer transitions 0/332 dead transitions. [2024-10-24 15:33:05,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 332 transitions, 788 flow [2024-10-24 15:33:05,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1043 transitions. [2024-10-24 15:33:05,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7883597883597884 [2024-10-24 15:33:05,744 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 645 flow. Second operand 3 states and 1043 transitions. [2024-10-24 15:33:05,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 332 transitions, 788 flow [2024-10-24 15:33:05,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 332 transitions, 785 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:05,752 INFO L231 Difference]: Finished difference. Result has 316 places, 314 transitions, 673 flow [2024-10-24 15:33:05,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=316, PETRI_TRANSITIONS=314} [2024-10-24 15:33:05,753 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -95 predicate places. [2024-10-24 15:33:05,753 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 314 transitions, 673 flow [2024-10-24 15:33:05,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:05,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:05,755 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:05,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 15:33:05,756 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:05,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:05,756 INFO L85 PathProgramCache]: Analyzing trace with hash -611999650, now seen corresponding path program 1 times [2024-10-24 15:33:05,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:05,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628251484] [2024-10-24 15:33:05,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:05,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:05,801 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 15:33:05,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:05,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628251484] [2024-10-24 15:33:05,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628251484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:05,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:05,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:05,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975599864] [2024-10-24 15:33:05,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:05,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:05,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:05,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:05,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:05,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 441 [2024-10-24 15:33:05,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 314 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:05,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:05,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 441 [2024-10-24 15:33:05,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:06,894 INFO L124 PetriNetUnfolderBase]: 2007/4791 cut-off events. [2024-10-24 15:33:06,895 INFO L125 PetriNetUnfolderBase]: For 1837/1837 co-relation queries the response was YES. [2024-10-24 15:33:06,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8760 conditions, 4791 events. 2007/4791 cut-off events. For 1837/1837 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 36574 event pairs, 1125 based on Foata normal form. 0/4255 useless extension candidates. Maximal degree in co-relation 8654. Up to 1676 conditions per place. [2024-10-24 15:33:06,937 INFO L140 encePairwiseOnDemand]: 438/441 looper letters, 48 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2024-10-24 15:33:06,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 336 transitions, 851 flow [2024-10-24 15:33:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1042 transitions. [2024-10-24 15:33:06,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7876039304610734 [2024-10-24 15:33:06,941 INFO L175 Difference]: Start difference. First operand has 316 places, 314 transitions, 673 flow. Second operand 3 states and 1042 transitions. [2024-10-24 15:33:06,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 336 transitions, 851 flow [2024-10-24 15:33:06,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 336 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:06,952 INFO L231 Difference]: Finished difference. Result has 316 places, 314 transitions, 673 flow [2024-10-24 15:33:06,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=316, PETRI_TRANSITIONS=314} [2024-10-24 15:33:06,954 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -95 predicate places. [2024-10-24 15:33:06,954 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 314 transitions, 673 flow [2024-10-24 15:33:06,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:06,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:06,955 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:33:06,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 15:33:06,955 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:06,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:06,956 INFO L85 PathProgramCache]: Analyzing trace with hash 278910060, now seen corresponding path program 1 times [2024-10-24 15:33:06,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:06,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583175385] [2024-10-24 15:33:06,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:06,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:07,012 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 15:33:07,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:07,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583175385] [2024-10-24 15:33:07,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583175385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:07,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:07,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:07,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139367368] [2024-10-24 15:33:07,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:07,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:07,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:07,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:07,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:07,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 441 [2024-10-24 15:33:07,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 314 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:07,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:07,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 441 [2024-10-24 15:33:07,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:08,240 INFO L124 PetriNetUnfolderBase]: 2826/6664 cut-off events. [2024-10-24 15:33:08,241 INFO L125 PetriNetUnfolderBase]: For 2177/2177 co-relation queries the response was YES. [2024-10-24 15:33:08,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12387 conditions, 6664 events. 2826/6664 cut-off events. For 2177/2177 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 54726 event pairs, 1117 based on Foata normal form. 0/5917 useless extension candidates. Maximal degree in co-relation 12280. Up to 2206 conditions per place. [2024-10-24 15:33:08,285 INFO L140 encePairwiseOnDemand]: 437/441 looper letters, 49 selfloop transitions, 4 changer transitions 0/338 dead transitions. [2024-10-24 15:33:08,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 338 transitions, 860 flow [2024-10-24 15:33:08,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1043 transitions. [2024-10-24 15:33:08,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7883597883597884 [2024-10-24 15:33:08,289 INFO L175 Difference]: Start difference. First operand has 316 places, 314 transitions, 673 flow. Second operand 3 states and 1043 transitions. [2024-10-24 15:33:08,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 338 transitions, 860 flow [2024-10-24 15:33:08,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 338 transitions, 857 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:33:08,296 INFO L231 Difference]: Finished difference. Result has 318 places, 316 transitions, 701 flow [2024-10-24 15:33:08,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=701, PETRI_PLACES=318, PETRI_TRANSITIONS=316} [2024-10-24 15:33:08,298 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -93 predicate places. [2024-10-24 15:33:08,298 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 316 transitions, 701 flow [2024-10-24 15:33:08,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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 15:33:08,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:33:08,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:33:08,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 15:33:08,299 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2024-10-24 15:33:08,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:33:08,300 INFO L85 PathProgramCache]: Analyzing trace with hash -551800656, now seen corresponding path program 1 times [2024-10-24 15:33:08,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:33:08,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077567570] [2024-10-24 15:33:08,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:33:08,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:33:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:33:08,365 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 15:33:08,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:33:08,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077567570] [2024-10-24 15:33:08,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077567570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:33:08,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:33:08,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:33:08,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600936290] [2024-10-24 15:33:08,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:33:08,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:33:08,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:33:08,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:33:08,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:33:08,371 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 441 [2024-10-24 15:33:08,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 316 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 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 15:33:08,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:33:08,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 441 [2024-10-24 15:33:08,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:33:09,777 INFO L124 PetriNetUnfolderBase]: 2826/6794 cut-off events. [2024-10-24 15:33:09,777 INFO L125 PetriNetUnfolderBase]: For 4038/4038 co-relation queries the response was YES. [2024-10-24 15:33:09,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13445 conditions, 6794 events. 2826/6794 cut-off events. For 4038/4038 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 57304 event pairs, 1550 based on Foata normal form. 16/6032 useless extension candidates. Maximal degree in co-relation 13338. Up to 3855 conditions per place. [2024-10-24 15:33:09,806 INFO L140 encePairwiseOnDemand]: 439/441 looper letters, 0 selfloop transitions, 0 changer transitions 315/315 dead transitions. [2024-10-24 15:33:09,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 315 transitions, 757 flow [2024-10-24 15:33:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:33:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:33:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1024 transitions. [2024-10-24 15:33:09,812 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7739984882842026 [2024-10-24 15:33:09,812 INFO L175 Difference]: Start difference. First operand has 318 places, 316 transitions, 701 flow. Second operand 3 states and 1024 transitions. [2024-10-24 15:33:09,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 315 transitions, 757 flow [2024-10-24 15:33:09,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 315 transitions, 749 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:33:09,821 INFO L231 Difference]: Finished difference. Result has 317 places, 0 transitions, 0 flow [2024-10-24 15:33:09,822 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=441, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=317, PETRI_TRANSITIONS=0} [2024-10-24 15:33:09,822 INFO L277 CegarLoopForPetriNet]: 411 programPoint places, -94 predicate places. [2024-10-24 15:33:09,823 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 0 transitions, 0 flow [2024-10-24 15:33:09,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 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 15:33:09,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (168 of 169 remaining) [2024-10-24 15:33:09,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (167 of 169 remaining) [2024-10-24 15:33:09,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (166 of 169 remaining) [2024-10-24 15:33:09,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (165 of 169 remaining) [2024-10-24 15:33:09,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (164 of 169 remaining) [2024-10-24 15:33:09,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (163 of 169 remaining) [2024-10-24 15:33:09,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (162 of 169 remaining) [2024-10-24 15:33:09,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (161 of 169 remaining) [2024-10-24 15:33:09,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (160 of 169 remaining) [2024-10-24 15:33:09,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (159 of 169 remaining) [2024-10-24 15:33:09,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (158 of 169 remaining) [2024-10-24 15:33:09,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (157 of 169 remaining) [2024-10-24 15:33:09,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (156 of 169 remaining) [2024-10-24 15:33:09,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (155 of 169 remaining) [2024-10-24 15:33:09,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (154 of 169 remaining) [2024-10-24 15:33:09,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (153 of 169 remaining) [2024-10-24 15:33:09,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (152 of 169 remaining) [2024-10-24 15:33:09,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (151 of 169 remaining) [2024-10-24 15:33:09,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (150 of 169 remaining) [2024-10-24 15:33:09,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (149 of 169 remaining) [2024-10-24 15:33:09,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (148 of 169 remaining) [2024-10-24 15:33:09,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (147 of 169 remaining) [2024-10-24 15:33:09,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (146 of 169 remaining) [2024-10-24 15:33:09,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (145 of 169 remaining) [2024-10-24 15:33:09,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (144 of 169 remaining) [2024-10-24 15:33:09,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (143 of 169 remaining) [2024-10-24 15:33:09,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (142 of 169 remaining) [2024-10-24 15:33:09,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (141 of 169 remaining) [2024-10-24 15:33:09,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (140 of 169 remaining) [2024-10-24 15:33:09,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (139 of 169 remaining) [2024-10-24 15:33:09,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (138 of 169 remaining) [2024-10-24 15:33:09,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (137 of 169 remaining) [2024-10-24 15:33:09,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (136 of 169 remaining) [2024-10-24 15:33:09,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (135 of 169 remaining) [2024-10-24 15:33:09,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (134 of 169 remaining) [2024-10-24 15:33:09,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (133 of 169 remaining) [2024-10-24 15:33:09,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (132 of 169 remaining) [2024-10-24 15:33:09,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (131 of 169 remaining) [2024-10-24 15:33:09,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (130 of 169 remaining) [2024-10-24 15:33:09,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (129 of 169 remaining) [2024-10-24 15:33:09,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (128 of 169 remaining) [2024-10-24 15:33:09,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (127 of 169 remaining) [2024-10-24 15:33:09,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (126 of 169 remaining) [2024-10-24 15:33:09,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (125 of 169 remaining) [2024-10-24 15:33:09,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (124 of 169 remaining) [2024-10-24 15:33:09,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (123 of 169 remaining) [2024-10-24 15:33:09,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (122 of 169 remaining) [2024-10-24 15:33:09,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (121 of 169 remaining) [2024-10-24 15:33:09,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (120 of 169 remaining) [2024-10-24 15:33:09,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (119 of 169 remaining) [2024-10-24 15:33:09,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (118 of 169 remaining) [2024-10-24 15:33:09,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (117 of 169 remaining) [2024-10-24 15:33:09,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (116 of 169 remaining) [2024-10-24 15:33:09,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (115 of 169 remaining) [2024-10-24 15:33:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (114 of 169 remaining) [2024-10-24 15:33:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (113 of 169 remaining) [2024-10-24 15:33:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (112 of 169 remaining) [2024-10-24 15:33:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (111 of 169 remaining) [2024-10-24 15:33:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (110 of 169 remaining) [2024-10-24 15:33:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (109 of 169 remaining) [2024-10-24 15:33:09,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (108 of 169 remaining) [2024-10-24 15:33:09,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (107 of 169 remaining) [2024-10-24 15:33:09,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (106 of 169 remaining) [2024-10-24 15:33:09,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (105 of 169 remaining) [2024-10-24 15:33:09,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (104 of 169 remaining) [2024-10-24 15:33:09,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (103 of 169 remaining) [2024-10-24 15:33:09,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (102 of 169 remaining) [2024-10-24 15:33:09,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (101 of 169 remaining) [2024-10-24 15:33:09,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (100 of 169 remaining) [2024-10-24 15:33:09,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (99 of 169 remaining) [2024-10-24 15:33:09,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (98 of 169 remaining) [2024-10-24 15:33:09,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (97 of 169 remaining) [2024-10-24 15:33:09,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (96 of 169 remaining) [2024-10-24 15:33:09,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (95 of 169 remaining) [2024-10-24 15:33:09,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (94 of 169 remaining) [2024-10-24 15:33:09,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 169 remaining) [2024-10-24 15:33:09,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 169 remaining) [2024-10-24 15:33:09,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (91 of 169 remaining) [2024-10-24 15:33:09,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 169 remaining) [2024-10-24 15:33:09,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (89 of 169 remaining) [2024-10-24 15:33:09,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (88 of 169 remaining) [2024-10-24 15:33:09,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (87 of 169 remaining) [2024-10-24 15:33:09,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (86 of 169 remaining) [2024-10-24 15:33:09,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (85 of 169 remaining) [2024-10-24 15:33:09,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (84 of 169 remaining) [2024-10-24 15:33:09,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (83 of 169 remaining) [2024-10-24 15:33:09,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (82 of 169 remaining) [2024-10-24 15:33:09,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (81 of 169 remaining) [2024-10-24 15:33:09,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (80 of 169 remaining) [2024-10-24 15:33:09,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (79 of 169 remaining) [2024-10-24 15:33:09,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (78 of 169 remaining) [2024-10-24 15:33:09,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (77 of 169 remaining) [2024-10-24 15:33:09,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (76 of 169 remaining) [2024-10-24 15:33:09,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (75 of 169 remaining) [2024-10-24 15:33:09,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (74 of 169 remaining) [2024-10-24 15:33:09,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (73 of 169 remaining) [2024-10-24 15:33:09,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (72 of 169 remaining) [2024-10-24 15:33:09,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (71 of 169 remaining) [2024-10-24 15:33:09,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (70 of 169 remaining) [2024-10-24 15:33:09,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (69 of 169 remaining) [2024-10-24 15:33:09,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (68 of 169 remaining) [2024-10-24 15:33:09,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (67 of 169 remaining) [2024-10-24 15:33:09,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (66 of 169 remaining) [2024-10-24 15:33:09,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (65 of 169 remaining) [2024-10-24 15:33:09,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (64 of 169 remaining) [2024-10-24 15:33:09,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (63 of 169 remaining) [2024-10-24 15:33:09,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (62 of 169 remaining) [2024-10-24 15:33:09,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (61 of 169 remaining) [2024-10-24 15:33:09,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (60 of 169 remaining) [2024-10-24 15:33:09,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (59 of 169 remaining) [2024-10-24 15:33:09,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (58 of 169 remaining) [2024-10-24 15:33:09,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (57 of 169 remaining) [2024-10-24 15:33:09,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (56 of 169 remaining) [2024-10-24 15:33:09,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (55 of 169 remaining) [2024-10-24 15:33:09,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 169 remaining) [2024-10-24 15:33:09,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (53 of 169 remaining) [2024-10-24 15:33:09,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 169 remaining) [2024-10-24 15:33:09,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (51 of 169 remaining) [2024-10-24 15:33:09,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 169 remaining) [2024-10-24 15:33:09,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 169 remaining) [2024-10-24 15:33:09,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (48 of 169 remaining) [2024-10-24 15:33:09,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (47 of 169 remaining) [2024-10-24 15:33:09,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (46 of 169 remaining) [2024-10-24 15:33:09,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 169 remaining) [2024-10-24 15:33:09,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (44 of 169 remaining) [2024-10-24 15:33:09,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (43 of 169 remaining) [2024-10-24 15:33:09,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (42 of 169 remaining) [2024-10-24 15:33:09,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (41 of 169 remaining) [2024-10-24 15:33:09,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (40 of 169 remaining) [2024-10-24 15:33:09,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 169 remaining) [2024-10-24 15:33:09,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 169 remaining) [2024-10-24 15:33:09,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 169 remaining) [2024-10-24 15:33:09,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 169 remaining) [2024-10-24 15:33:09,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 169 remaining) [2024-10-24 15:33:09,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 169 remaining) [2024-10-24 15:33:09,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 169 remaining) [2024-10-24 15:33:09,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 169 remaining) [2024-10-24 15:33:09,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 169 remaining) [2024-10-24 15:33:09,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 169 remaining) [2024-10-24 15:33:09,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 169 remaining) [2024-10-24 15:33:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 169 remaining) [2024-10-24 15:33:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 169 remaining) [2024-10-24 15:33:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 169 remaining) [2024-10-24 15:33:09,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 169 remaining) [2024-10-24 15:33:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 169 remaining) [2024-10-24 15:33:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 169 remaining) [2024-10-24 15:33:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 169 remaining) [2024-10-24 15:33:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 169 remaining) [2024-10-24 15:33:09,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 169 remaining) [2024-10-24 15:33:09,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 169 remaining) [2024-10-24 15:33:09,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 169 remaining) [2024-10-24 15:33:09,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 169 remaining) [2024-10-24 15:33:09,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 169 remaining) [2024-10-24 15:33:09,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 169 remaining) [2024-10-24 15:33:09,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 169 remaining) [2024-10-24 15:33:09,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 169 remaining) [2024-10-24 15:33:09,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 169 remaining) [2024-10-24 15:33:09,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 169 remaining) [2024-10-24 15:33:09,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 169 remaining) [2024-10-24 15:33:09,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 169 remaining) [2024-10-24 15:33:09,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 169 remaining) [2024-10-24 15:33:09,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 169 remaining) [2024-10-24 15:33:09,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 169 remaining) [2024-10-24 15:33:09,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 169 remaining) [2024-10-24 15:33:09,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 169 remaining) [2024-10-24 15:33:09,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 169 remaining) [2024-10-24 15:33:09,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 169 remaining) [2024-10-24 15:33:09,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 169 remaining) [2024-10-24 15:33:09,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 169 remaining) [2024-10-24 15:33:09,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 15:33:09,860 INFO L407 BasicCegarLoop]: Path program histogram: [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 15:33:09,868 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:33:09,868 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:33:09,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:33:09 BasicIcfg [2024-10-24 15:33:09,880 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:33:09,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:33:09,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:33:09,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:33:09,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:32:57" (3/4) ... [2024-10-24 15:33:09,883 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:33:09,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:33:09,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:33:09,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 15:33:09,888 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-24 15:33:09,899 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-24 15:33:09,900 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:33:09,900 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-24 15:33:09,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:33:10,023 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:33:10,024 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:33:10,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:33:10,025 INFO L158 Benchmark]: Toolchain (without parser) took 15336.77ms. Allocated memory was 125.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 57.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 462.5MB. Max. memory is 16.1GB. [2024-10-24 15:33:10,025 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 90.9MB in the end (delta: 109.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:33:10,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.84ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 57.7MB in the beginning and 138.6MB in the end (delta: -80.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-10-24 15:33:10,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.46ms. Allocated memory is still 178.3MB. Free memory was 138.6MB in the beginning and 134.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:33:10,026 INFO L158 Benchmark]: Boogie Preprocessor took 66.61ms. Allocated memory is still 178.3MB. Free memory was 134.6MB in the beginning and 131.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:33:10,026 INFO L158 Benchmark]: RCFGBuilder took 1857.89ms. Allocated memory is still 178.3MB. Free memory was 131.2MB in the beginning and 91.7MB in the end (delta: 39.5MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-10-24 15:33:10,026 INFO L158 Benchmark]: TraceAbstraction took 12817.67ms. Allocated memory was 178.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 90.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 610.7MB. Max. memory is 16.1GB. [2024-10-24 15:33:10,026 INFO L158 Benchmark]: Witness Printer took 143.59ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-24 15:33:10,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 90.9MB in the end (delta: 109.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.84ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 57.7MB in the beginning and 138.6MB in the end (delta: -80.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.46ms. Allocated memory is still 178.3MB. Free memory was 138.6MB in the beginning and 134.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.61ms. Allocated memory is still 178.3MB. Free memory was 134.6MB in the beginning and 131.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1857.89ms. Allocated memory is still 178.3MB. Free memory was 131.2MB in the beginning and 91.7MB in the end (delta: 39.5MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12817.67ms. Allocated memory was 178.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 90.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 610.7MB. Max. memory is 16.1GB. * Witness Printer took 143.59ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 525 locations, 169 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.6s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1221 IncrementalHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 77 mSDtfsCounter, 1221 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=864occurred in iteration=0, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2754 NumberOfCodeBlocks, 2754 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2732 ConstructedInterpolants, 0 QuantifiedInterpolants, 2889 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 95 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:33:10,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE