./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i -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 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:53:15,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:53:15,395 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:53:15,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:53:15,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:53:15,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:53:15,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:53:15,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:53:15,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:53:15,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:53:15,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:53:15,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:53:15,430 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:53:15,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:53:15,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:53:15,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:53:15,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:53:15,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:53:15,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:53:15,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:53:15,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:53:15,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:53:15,439 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:53:15,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:53:15,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:53:15,441 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:53:15,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:53:15,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:53:15,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:53:15,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:53:15,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:53:15,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:53:15,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:53:15,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:53:15,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:53:15,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:53:15,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:53:15,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:53:15,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:53:15,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:53:15,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:53:15,447 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 [2024-11-09 06:53:15,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:53:15,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:53:15,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:53:15,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:53:15,731 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:53:15,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2024-11-09 06:53:17,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:53:17,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:53:17,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2024-11-09 06:53:17,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8df0310bf/6b5e20411d6e4982a44ac6cabfd24ed2/FLAG8bc5592bb [2024-11-09 06:53:17,668 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8df0310bf/6b5e20411d6e4982a44ac6cabfd24ed2 [2024-11-09 06:53:17,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:53:17,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:53:17,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:53:17,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:53:17,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:53:17,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:53:17" (1/1) ... [2024-11-09 06:53:17,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3a8a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:17, skipping insertion in model container [2024-11-09 06:53:17,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:53:17" (1/1) ... [2024-11-09 06:53:17,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:53:18,247 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:18,249 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:18,250 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:18,251 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:18,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:53:18,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:53:18,360 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:18,361 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:18,362 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:18,363 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:18,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:53:18,446 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:53:18,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18 WrapperNode [2024-11-09 06:53:18,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:53:18,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:53:18,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:53:18,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:53:18,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,530 INFO L138 Inliner]: procedures = 274, calls = 102, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2024-11-09 06:53:18,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:53:18,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:53:18,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:53:18,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:53:18,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:53:18,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:53:18,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:53:18,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:53:18,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (1/1) ... [2024-11-09 06:53:18,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:53:18,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:18,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:53:18,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:53:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-09 06:53:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-09 06:53:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-09 06:53:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-09 06:53:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:53:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:53:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:53:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:53:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:53:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:53:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:53:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:53:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:53:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:53:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:53:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:53:18,694 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:53:18,871 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:53:18,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:53:19,506 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:53:19,506 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:53:19,546 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:53:19,549 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 06:53:19,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:53:19 BoogieIcfgContainer [2024-11-09 06:53:19,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:53:19,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:53:19,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:53:19,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:53:19,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:53:17" (1/3) ... [2024-11-09 06:53:19,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c271e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:53:19, skipping insertion in model container [2024-11-09 06:53:19,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:18" (2/3) ... [2024-11-09 06:53:19,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c271e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:53:19, skipping insertion in model container [2024-11-09 06:53:19,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:53:19" (3/3) ... [2024-11-09 06:53:19,558 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2024-11-09 06:53:19,575 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:53:19,575 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-09 06:53:19,575 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:53:19,705 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:53:19,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 363 places, 370 transitions, 748 flow [2024-11-09 06:53:19,892 INFO L124 PetriNetUnfolderBase]: 14/368 cut-off events. [2024-11-09 06:53:19,892 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:19,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 368 events. 14/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 586 event pairs, 0 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 293. Up to 2 conditions per place. [2024-11-09 06:53:19,903 INFO L82 GeneralOperation]: Start removeDead. Operand has 363 places, 370 transitions, 748 flow [2024-11-09 06:53:19,909 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 361 places, 368 transitions, 742 flow [2024-11-09 06:53:19,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:53:19,924 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;@3e096d21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:53:19,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 06:53:19,943 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:53:19,943 INFO L124 PetriNetUnfolderBase]: 1/104 cut-off events. [2024-11-09 06:53:19,943 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:19,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:19,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:19,945 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:19,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:19,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1805098074, now seen corresponding path program 1 times [2024-11-09 06:53:19,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:19,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623008600] [2024-11-09 06:53:19,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:19,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:21,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:21,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623008600] [2024-11-09 06:53:21,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623008600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:21,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:21,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:21,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985909312] [2024-11-09 06:53:21,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:21,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:21,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:21,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:21,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:21,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 370 [2024-11-09 06:53:21,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 368 transitions, 742 flow. Second operand has 6 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:21,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:21,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 370 [2024-11-09 06:53:21,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:22,085 INFO L124 PetriNetUnfolderBase]: 449/1836 cut-off events. [2024-11-09 06:53:22,086 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-09 06:53:22,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2735 conditions, 1836 events. 449/1836 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 11573 event pairs, 342 based on Foata normal form. 152/1781 useless extension candidates. Maximal degree in co-relation 2472. Up to 846 conditions per place. [2024-11-09 06:53:22,106 INFO L140 encePairwiseOnDemand]: 350/370 looper letters, 72 selfloop transitions, 10 changer transitions 0/358 dead transitions. [2024-11-09 06:53:22,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 358 transitions, 886 flow [2024-11-09 06:53:22,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1760 transitions. [2024-11-09 06:53:22,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7927927927927928 [2024-11-09 06:53:22,138 INFO L175 Difference]: Start difference. First operand has 361 places, 368 transitions, 742 flow. Second operand 6 states and 1760 transitions. [2024-11-09 06:53:22,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 358 transitions, 886 flow [2024-11-09 06:53:22,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 358 transitions, 884 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:53:22,153 INFO L231 Difference]: Finished difference. Result has 362 places, 358 transitions, 740 flow [2024-11-09 06:53:22,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=740, PETRI_PLACES=362, PETRI_TRANSITIONS=358} [2024-11-09 06:53:22,160 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 1 predicate places. [2024-11-09 06:53:22,162 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 358 transitions, 740 flow [2024-11-09 06:53:22,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:22,164 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:22,165 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] [2024-11-09 06:53:22,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:53:22,166 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:22,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1274191106, now seen corresponding path program 1 times [2024-11-09 06:53:22,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:22,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977711241] [2024-11-09 06:53:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:22,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:22,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:22,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977711241] [2024-11-09 06:53:22,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977711241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:22,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:22,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:22,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863296655] [2024-11-09 06:53:22,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:22,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:22,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:22,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:22,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:23,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 370 [2024-11-09 06:53:23,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 358 transitions, 740 flow. Second operand has 6 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:23,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:23,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 370 [2024-11-09 06:53:23,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:23,786 INFO L124 PetriNetUnfolderBase]: 449/1834 cut-off events. [2024-11-09 06:53:23,786 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:23,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2742 conditions, 1834 events. 449/1834 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11473 event pairs, 342 based on Foata normal form. 0/1629 useless extension candidates. Maximal degree in co-relation 2568. Up to 846 conditions per place. [2024-11-09 06:53:23,799 INFO L140 encePairwiseOnDemand]: 358/370 looper letters, 72 selfloop transitions, 10 changer transitions 0/356 dead transitions. [2024-11-09 06:53:23,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 356 transitions, 900 flow [2024-11-09 06:53:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1752 transitions. [2024-11-09 06:53:23,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7891891891891892 [2024-11-09 06:53:23,804 INFO L175 Difference]: Start difference. First operand has 362 places, 358 transitions, 740 flow. Second operand 6 states and 1752 transitions. [2024-11-09 06:53:23,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 356 transitions, 900 flow [2024-11-09 06:53:23,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 356 transitions, 880 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:23,817 INFO L231 Difference]: Finished difference. Result has 360 places, 356 transitions, 736 flow [2024-11-09 06:53:23,818 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=736, PETRI_PLACES=360, PETRI_TRANSITIONS=356} [2024-11-09 06:53:23,819 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -1 predicate places. [2024-11-09 06:53:23,819 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 356 transitions, 736 flow [2024-11-09 06:53:23,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:23,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:23,821 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] [2024-11-09 06:53:23,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:53:23,821 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:23,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:23,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1051613892, now seen corresponding path program 1 times [2024-11-09 06:53:23,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:23,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535115235] [2024-11-09 06:53:23,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:23,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:23,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:23,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535115235] [2024-11-09 06:53:23,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535115235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:23,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:23,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:53:23,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516460130] [2024-11-09 06:53:23,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:23,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:23,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:23,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:23,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:23,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 370 [2024-11-09 06:53:23,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 356 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:23,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:23,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 370 [2024-11-09 06:53:23,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:24,062 INFO L124 PetriNetUnfolderBase]: 29/658 cut-off events. [2024-11-09 06:53:24,062 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:24,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 658 events. 29/658 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2416 event pairs, 18 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 433. Up to 45 conditions per place. [2024-11-09 06:53:24,068 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 11 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-09 06:53:24,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 357 transitions, 764 flow [2024-11-09 06:53:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:53:24,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1064 transitions. [2024-11-09 06:53:24,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9585585585585585 [2024-11-09 06:53:24,072 INFO L175 Difference]: Start difference. First operand has 360 places, 356 transitions, 736 flow. Second operand 3 states and 1064 transitions. [2024-11-09 06:53:24,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 357 transitions, 764 flow [2024-11-09 06:53:24,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 357 transitions, 744 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:24,080 INFO L231 Difference]: Finished difference. Result has 358 places, 357 transitions, 728 flow [2024-11-09 06:53:24,081 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=358, PETRI_TRANSITIONS=357} [2024-11-09 06:53:24,081 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -3 predicate places. [2024-11-09 06:53:24,082 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 357 transitions, 728 flow [2024-11-09 06:53:24,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:24,084 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:24,084 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:24,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:53:24,084 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:24,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash 635740603, now seen corresponding path program 1 times [2024-11-09 06:53:24,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:24,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022346680] [2024-11-09 06:53:24,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:24,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:24,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:24,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022346680] [2024-11-09 06:53:24,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022346680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:24,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:24,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:24,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319990353] [2024-11-09 06:53:24,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:24,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:24,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:24,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:24,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:25,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 370 [2024-11-09 06:53:25,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 357 transitions, 728 flow. Second operand has 6 states, 6 states have (on average 279.6666666666667) internal successors, (1678), 6 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:25,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:25,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 370 [2024-11-09 06:53:25,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:25,491 INFO L124 PetriNetUnfolderBase]: 450/1956 cut-off events. [2024-11-09 06:53:25,491 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:53:25,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2908 conditions, 1956 events. 450/1956 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12240 event pairs, 342 based on Foata normal form. 0/1747 useless extension candidates. Maximal degree in co-relation 2653. Up to 894 conditions per place. [2024-11-09 06:53:25,504 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 79 selfloop transitions, 5 changer transitions 0/356 dead transitions. [2024-11-09 06:53:25,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 356 transitions, 894 flow [2024-11-09 06:53:25,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1747 transitions. [2024-11-09 06:53:25,510 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7869369369369369 [2024-11-09 06:53:25,510 INFO L175 Difference]: Start difference. First operand has 358 places, 357 transitions, 728 flow. Second operand 6 states and 1747 transitions. [2024-11-09 06:53:25,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 356 transitions, 894 flow [2024-11-09 06:53:25,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 356 transitions, 892 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:53:25,516 INFO L231 Difference]: Finished difference. Result has 361 places, 356 transitions, 734 flow [2024-11-09 06:53:25,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=734, PETRI_PLACES=361, PETRI_TRANSITIONS=356} [2024-11-09 06:53:25,518 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 0 predicate places. [2024-11-09 06:53:25,519 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 356 transitions, 734 flow [2024-11-09 06:53:25,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.6666666666667) internal successors, (1678), 6 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:25,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:25,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:25,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:53:25,521 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:25,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1825110203, now seen corresponding path program 1 times [2024-11-09 06:53:25,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178742219] [2024-11-09 06:53:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:25,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:25,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178742219] [2024-11-09 06:53:25,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178742219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:25,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:25,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:53:25,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168284699] [2024-11-09 06:53:25,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:25,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:25,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:25,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:25,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:25,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 370 [2024-11-09 06:53:25,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 356 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:25,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:25,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 370 [2024-11-09 06:53:25,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:25,760 INFO L124 PetriNetUnfolderBase]: 29/844 cut-off events. [2024-11-09 06:53:25,761 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:25,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 844 events. 29/844 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2397 event pairs, 18 based on Foata normal form. 2/788 useless extension candidates. Maximal degree in co-relation 511. Up to 49 conditions per place. [2024-11-09 06:53:25,765 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 11 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-09 06:53:25,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 357 transitions, 762 flow [2024-11-09 06:53:25,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:53:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1064 transitions. [2024-11-09 06:53:25,768 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9585585585585585 [2024-11-09 06:53:25,768 INFO L175 Difference]: Start difference. First operand has 361 places, 356 transitions, 734 flow. Second operand 3 states and 1064 transitions. [2024-11-09 06:53:25,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 357 transitions, 762 flow [2024-11-09 06:53:25,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 357 transitions, 752 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:25,774 INFO L231 Difference]: Finished difference. Result has 359 places, 357 transitions, 736 flow [2024-11-09 06:53:25,775 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2024-11-09 06:53:25,776 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -2 predicate places. [2024-11-09 06:53:25,776 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 736 flow [2024-11-09 06:53:25,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:25,779 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:25,779 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] [2024-11-09 06:53:25,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:53:25,779 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:25,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:25,781 INFO L85 PathProgramCache]: Analyzing trace with hash -73634945, now seen corresponding path program 1 times [2024-11-09 06:53:25,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:25,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480320066] [2024-11-09 06:53:25,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:25,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:26,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:26,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480320066] [2024-11-09 06:53:26,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480320066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:26,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:26,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:26,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846150584] [2024-11-09 06:53:26,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:26,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:26,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:26,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:26,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:26,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 370 [2024-11-09 06:53:26,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 736 flow. Second operand has 6 states, 6 states have (on average 306.5) internal successors, (1839), 6 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:26,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:26,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 370 [2024-11-09 06:53:26,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:27,121 INFO L124 PetriNetUnfolderBase]: 75/1156 cut-off events. [2024-11-09 06:53:27,122 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:53:27,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1473 conditions, 1156 events. 75/1156 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4602 event pairs, 42 based on Foata normal form. 0/1063 useless extension candidates. Maximal degree in co-relation 951. Up to 263 conditions per place. [2024-11-09 06:53:27,130 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 54 selfloop transitions, 5 changer transitions 0/356 dead transitions. [2024-11-09 06:53:27,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 356 transitions, 852 flow [2024-11-09 06:53:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1872 transitions. [2024-11-09 06:53:27,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8432432432432433 [2024-11-09 06:53:27,135 INFO L175 Difference]: Start difference. First operand has 359 places, 357 transitions, 736 flow. Second operand 6 states and 1872 transitions. [2024-11-09 06:53:27,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 356 transitions, 852 flow [2024-11-09 06:53:27,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 356 transitions, 850 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:53:27,142 INFO L231 Difference]: Finished difference. Result has 362 places, 356 transitions, 742 flow [2024-11-09 06:53:27,143 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=742, PETRI_PLACES=362, PETRI_TRANSITIONS=356} [2024-11-09 06:53:27,143 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 1 predicate places. [2024-11-09 06:53:27,143 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 356 transitions, 742 flow [2024-11-09 06:53:27,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.5) internal successors, (1839), 6 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:27,145 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:27,145 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] [2024-11-09 06:53:27,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:53:27,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:27,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:27,146 INFO L85 PathProgramCache]: Analyzing trace with hash -43169005, now seen corresponding path program 1 times [2024-11-09 06:53:27,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:27,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567831994] [2024-11-09 06:53:27,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:27,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:27,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:27,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567831994] [2024-11-09 06:53:27,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567831994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:27,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:27,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:27,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453738041] [2024-11-09 06:53:27,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:27,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:27,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:27,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:27,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:27,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 370 [2024-11-09 06:53:27,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 356 transitions, 742 flow. Second operand has 6 states, 6 states have (on average 282.3333333333333) internal successors, (1694), 6 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:27,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:27,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 370 [2024-11-09 06:53:27,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:28,290 INFO L124 PetriNetUnfolderBase]: 450/2136 cut-off events. [2024-11-09 06:53:28,290 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:53:28,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3192 conditions, 2136 events. 450/2136 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12214 event pairs, 342 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2696. Up to 960 conditions per place. [2024-11-09 06:53:28,307 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 79 selfloop transitions, 5 changer transitions 0/355 dead transitions. [2024-11-09 06:53:28,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 355 transitions, 908 flow [2024-11-09 06:53:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:28,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1747 transitions. [2024-11-09 06:53:28,312 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7869369369369369 [2024-11-09 06:53:28,312 INFO L175 Difference]: Start difference. First operand has 362 places, 356 transitions, 742 flow. Second operand 6 states and 1747 transitions. [2024-11-09 06:53:28,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 355 transitions, 908 flow [2024-11-09 06:53:28,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 355 transitions, 898 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:28,319 INFO L231 Difference]: Finished difference. Result has 361 places, 355 transitions, 740 flow [2024-11-09 06:53:28,320 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=740, PETRI_PLACES=361, PETRI_TRANSITIONS=355} [2024-11-09 06:53:28,321 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 0 predicate places. [2024-11-09 06:53:28,322 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 355 transitions, 740 flow [2024-11-09 06:53:28,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.3333333333333) internal successors, (1694), 6 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:28,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:28,323 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] [2024-11-09 06:53:28,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:53:28,324 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:28,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:28,324 INFO L85 PathProgramCache]: Analyzing trace with hash -884161271, now seen corresponding path program 1 times [2024-11-09 06:53:28,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:28,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373225566] [2024-11-09 06:53:28,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:28,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:28,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:28,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373225566] [2024-11-09 06:53:28,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373225566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:28,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:28,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:28,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59734155] [2024-11-09 06:53:28,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:28,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:28,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:28,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:28,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:29,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 370 [2024-11-09 06:53:29,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 355 transitions, 740 flow. Second operand has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:29,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:29,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 370 [2024-11-09 06:53:29,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:29,680 INFO L124 PetriNetUnfolderBase]: 450/2132 cut-off events. [2024-11-09 06:53:29,680 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:53:29,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3172 conditions, 2132 events. 450/2132 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12202 event pairs, 342 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2712. Up to 944 conditions per place. [2024-11-09 06:53:29,694 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 75 selfloop transitions, 5 changer transitions 0/354 dead transitions. [2024-11-09 06:53:29,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 354 transitions, 898 flow [2024-11-09 06:53:29,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1767 transitions. [2024-11-09 06:53:29,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7959459459459459 [2024-11-09 06:53:29,701 INFO L175 Difference]: Start difference. First operand has 361 places, 355 transitions, 740 flow. Second operand 6 states and 1767 transitions. [2024-11-09 06:53:29,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 354 transitions, 898 flow [2024-11-09 06:53:29,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 354 transitions, 888 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:29,711 INFO L231 Difference]: Finished difference. Result has 360 places, 354 transitions, 738 flow [2024-11-09 06:53:29,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=738, PETRI_PLACES=360, PETRI_TRANSITIONS=354} [2024-11-09 06:53:29,714 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -1 predicate places. [2024-11-09 06:53:29,714 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 354 transitions, 738 flow [2024-11-09 06:53:29,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:29,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:29,716 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] [2024-11-09 06:53:29,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:53:29,717 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:29,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:29,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1199344447, now seen corresponding path program 1 times [2024-11-09 06:53:29,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:29,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915125498] [2024-11-09 06:53:29,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:29,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:30,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:30,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915125498] [2024-11-09 06:53:30,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915125498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:30,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:30,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:30,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521502986] [2024-11-09 06:53:30,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:30,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:30,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:30,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:30,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:30,714 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 370 [2024-11-09 06:53:30,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 354 transitions, 738 flow. Second operand has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:30,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:30,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 370 [2024-11-09 06:53:30,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:31,152 INFO L124 PetriNetUnfolderBase]: 450/2128 cut-off events. [2024-11-09 06:53:31,153 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:31,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3168 conditions, 2128 events. 450/2128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12185 event pairs, 342 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2727. Up to 944 conditions per place. [2024-11-09 06:53:31,166 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 75 selfloop transitions, 5 changer transitions 0/353 dead transitions. [2024-11-09 06:53:31,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 353 transitions, 896 flow [2024-11-09 06:53:31,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1767 transitions. [2024-11-09 06:53:31,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7959459459459459 [2024-11-09 06:53:31,172 INFO L175 Difference]: Start difference. First operand has 360 places, 354 transitions, 738 flow. Second operand 6 states and 1767 transitions. [2024-11-09 06:53:31,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 353 transitions, 896 flow [2024-11-09 06:53:31,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 353 transitions, 886 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:31,178 INFO L231 Difference]: Finished difference. Result has 359 places, 353 transitions, 736 flow [2024-11-09 06:53:31,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=736, PETRI_PLACES=359, PETRI_TRANSITIONS=353} [2024-11-09 06:53:31,180 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -2 predicate places. [2024-11-09 06:53:31,180 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 353 transitions, 736 flow [2024-11-09 06:53:31,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:31,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:31,182 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] [2024-11-09 06:53:31,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:53:31,182 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:31,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:31,182 INFO L85 PathProgramCache]: Analyzing trace with hash -150538058, now seen corresponding path program 1 times [2024-11-09 06:53:31,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:31,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612559597] [2024-11-09 06:53:31,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:31,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:31,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:31,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612559597] [2024-11-09 06:53:31,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612559597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:31,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:31,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:31,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76324932] [2024-11-09 06:53:31,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:31,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:31,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:31,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:32,122 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 370 [2024-11-09 06:53:32,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 353 transitions, 736 flow. Second operand has 6 states, 6 states have (on average 283.5) internal successors, (1701), 6 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:32,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:32,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 370 [2024-11-09 06:53:32,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:32,501 INFO L124 PetriNetUnfolderBase]: 450/2124 cut-off events. [2024-11-09 06:53:32,501 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:53:32,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3184 conditions, 2124 events. 450/2124 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12251 event pairs, 342 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2740. Up to 964 conditions per place. [2024-11-09 06:53:32,515 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 80 selfloop transitions, 5 changer transitions 0/352 dead transitions. [2024-11-09 06:53:32,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 352 transitions, 904 flow [2024-11-09 06:53:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1742 transitions. [2024-11-09 06:53:32,522 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7846846846846847 [2024-11-09 06:53:32,522 INFO L175 Difference]: Start difference. First operand has 359 places, 353 transitions, 736 flow. Second operand 6 states and 1742 transitions. [2024-11-09 06:53:32,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 352 transitions, 904 flow [2024-11-09 06:53:32,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 352 transitions, 894 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:32,530 INFO L231 Difference]: Finished difference. Result has 358 places, 352 transitions, 734 flow [2024-11-09 06:53:32,532 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=734, PETRI_PLACES=358, PETRI_TRANSITIONS=352} [2024-11-09 06:53:32,533 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -3 predicate places. [2024-11-09 06:53:32,533 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 352 transitions, 734 flow [2024-11-09 06:53:32,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 283.5) internal successors, (1701), 6 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:32,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:32,535 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:32,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:53:32,535 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:32,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:32,537 INFO L85 PathProgramCache]: Analyzing trace with hash 870271974, now seen corresponding path program 1 times [2024-11-09 06:53:32,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:32,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912381698] [2024-11-09 06:53:32,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:32,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:32,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:32,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912381698] [2024-11-09 06:53:32,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912381698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:32,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185731016] [2024-11-09 06:53:32,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:32,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:32,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:32,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:32,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:53:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:33,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:53:33,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:33,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:33,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185731016] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:53:33,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:53:33,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 06:53:33,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750218831] [2024-11-09 06:53:33,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:53:33,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:53:33,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:33,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:53:33,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:53:33,498 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 370 [2024-11-09 06:53:33,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 352 transitions, 734 flow. Second operand has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:33,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:33,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 370 [2024-11-09 06:53:33,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:33,771 INFO L124 PetriNetUnfolderBase]: 29/1008 cut-off events. [2024-11-09 06:53:33,772 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:53:33,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 1008 events. 29/1008 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1835 event pairs, 18 based on Foata normal form. 4/974 useless extension candidates. Maximal degree in co-relation 504. Up to 49 conditions per place. [2024-11-09 06:53:33,777 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 15 selfloop transitions, 9 changer transitions 0/360 dead transitions. [2024-11-09 06:53:33,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 360 transitions, 800 flow [2024-11-09 06:53:33,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:53:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 06:53:33,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3149 transitions. [2024-11-09 06:53:33,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9456456456456457 [2024-11-09 06:53:33,784 INFO L175 Difference]: Start difference. First operand has 358 places, 352 transitions, 734 flow. Second operand 9 states and 3149 transitions. [2024-11-09 06:53:33,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 360 transitions, 800 flow [2024-11-09 06:53:33,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 360 transitions, 790 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:33,790 INFO L231 Difference]: Finished difference. Result has 364 places, 358 transitions, 774 flow [2024-11-09 06:53:33,790 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=774, PETRI_PLACES=364, PETRI_TRANSITIONS=358} [2024-11-09 06:53:33,791 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 3 predicate places. [2024-11-09 06:53:33,791 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 358 transitions, 774 flow [2024-11-09 06:53:33,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:33,793 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:33,793 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:33,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:53:33,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 06:53:33,994 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:33,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:33,995 INFO L85 PathProgramCache]: Analyzing trace with hash 717867772, now seen corresponding path program 2 times [2024-11-09 06:53:33,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:33,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257232122] [2024-11-09 06:53:33,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:33,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-09 06:53:34,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:34,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257232122] [2024-11-09 06:53:34,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257232122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:34,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848983160] [2024-11-09 06:53:34,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:53:34,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:34,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:34,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:34,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:53:34,700 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:53:34,701 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:53:34,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:53:34,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:34,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-09 06:53:34,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-09 06:53:34,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:34,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-09 06:53:34,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:34,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-09 06:53:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-09 06:53:34,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:53:34,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848983160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:34,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:53:34,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 06:53:34,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499004035] [2024-11-09 06:53:34,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:34,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:34,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:34,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:34,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:53:35,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 370 [2024-11-09 06:53:35,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 358 transitions, 774 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) [2024-11-09 06:53:35,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:35,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 370 [2024-11-09 06:53:35,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:36,272 INFO L124 PetriNetUnfolderBase]: 199/1909 cut-off events. [2024-11-09 06:53:36,273 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-09 06:53:36,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2527 conditions, 1909 events. 199/1909 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8806 event pairs, 54 based on Foata normal form. 0/1767 useless extension candidates. Maximal degree in co-relation 1889. Up to 448 conditions per place. [2024-11-09 06:53:36,286 INFO L140 encePairwiseOnDemand]: 358/370 looper letters, 71 selfloop transitions, 23 changer transitions 0/393 dead transitions. [2024-11-09 06:53:36,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 393 transitions, 1040 flow [2024-11-09 06:53:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1913 transitions. [2024-11-09 06:53:36,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8617117117117117 [2024-11-09 06:53:36,291 INFO L175 Difference]: Start difference. First operand has 364 places, 358 transitions, 774 flow. Second operand 6 states and 1913 transitions. [2024-11-09 06:53:36,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 393 transitions, 1040 flow [2024-11-09 06:53:36,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 393 transitions, 1034 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-09 06:53:36,299 INFO L231 Difference]: Finished difference. Result has 373 places, 380 transitions, 926 flow [2024-11-09 06:53:36,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=926, PETRI_PLACES=373, PETRI_TRANSITIONS=380} [2024-11-09 06:53:36,301 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 12 predicate places. [2024-11-09 06:53:36,302 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 380 transitions, 926 flow [2024-11-09 06:53:36,302 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) [2024-11-09 06:53:36,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:36,303 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:36,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:53:36,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 06:53:36,504 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:36,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:36,505 INFO L85 PathProgramCache]: Analyzing trace with hash 188047030, now seen corresponding path program 1 times [2024-11-09 06:53:36,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:36,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267348451] [2024-11-09 06:53:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:36,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-09 06:53:36,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:36,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267348451] [2024-11-09 06:53:36,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267348451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:36,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187051939] [2024-11-09 06:53:36,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:36,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:36,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:36,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:36,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:53:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:37,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:53:37,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:37,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:38,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187051939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:53:38,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:53:38,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-09 06:53:38,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457481449] [2024-11-09 06:53:38,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:53:38,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 06:53:38,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:38,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 06:53:38,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-09 06:53:38,198 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 370 [2024-11-09 06:53:38,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 380 transitions, 926 flow. Second operand has 19 states, 19 states have (on average 343.6842105263158) internal successors, (6530), 19 states have internal predecessors, (6530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:38,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:38,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 370 [2024-11-09 06:53:38,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:39,961 INFO L124 PetriNetUnfolderBase]: 186/3447 cut-off events. [2024-11-09 06:53:39,961 INFO L125 PetriNetUnfolderBase]: For 134/138 co-relation queries the response was YES. [2024-11-09 06:53:39,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4171 conditions, 3447 events. 186/3447 cut-off events. For 134/138 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9572 event pairs, 55 based on Foata normal form. 13/3291 useless extension candidates. Maximal degree in co-relation 2855. Up to 146 conditions per place. [2024-11-09 06:53:39,979 INFO L140 encePairwiseOnDemand]: 359/370 looper letters, 47 selfloop transitions, 68 changer transitions 0/466 dead transitions. [2024-11-09 06:53:39,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 466 transitions, 1566 flow [2024-11-09 06:53:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 06:53:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-09 06:53:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 21611 transitions. [2024-11-09 06:53:40,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9271128271128272 [2024-11-09 06:53:40,022 INFO L175 Difference]: Start difference. First operand has 373 places, 380 transitions, 926 flow. Second operand 63 states and 21611 transitions. [2024-11-09 06:53:40,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 466 transitions, 1566 flow [2024-11-09 06:53:40,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 466 transitions, 1566 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:40,033 INFO L231 Difference]: Finished difference. Result has 451 places, 442 transitions, 1446 flow [2024-11-09 06:53:40,034 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1446, PETRI_PLACES=451, PETRI_TRANSITIONS=442} [2024-11-09 06:53:40,035 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 90 predicate places. [2024-11-09 06:53:40,035 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 442 transitions, 1446 flow [2024-11-09 06:53:40,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 343.6842105263158) internal successors, (6530), 19 states have internal predecessors, (6530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:40,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:40,040 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:40,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:53:40,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:40,245 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:40,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash 49559038, now seen corresponding path program 2 times [2024-11-09 06:53:40,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:40,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15064218] [2024-11-09 06:53:40,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:40,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-09 06:53:43,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:43,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15064218] [2024-11-09 06:53:43,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15064218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:43,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856686620] [2024-11-09 06:53:43,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:53:43,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:43,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:43,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:43,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:53:44,026 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:53:44,027 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:53:44,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 06:53:44,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:44,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-09 06:53:44,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-09 06:53:44,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:44,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-09 06:53:44,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:44,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-09 06:53:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-09 06:53:44,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:53:44,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856686620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:44,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:53:44,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-09 06:53:44,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556565613] [2024-11-09 06:53:44,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:44,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:44,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:44,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:44,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-09 06:53:45,145 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 370 [2024-11-09 06:53:45,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 442 transitions, 1446 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:45,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:45,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 370 [2024-11-09 06:53:45,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:46,893 INFO L124 PetriNetUnfolderBase]: 311/4003 cut-off events. [2024-11-09 06:53:46,893 INFO L125 PetriNetUnfolderBase]: For 707/740 co-relation queries the response was YES. [2024-11-09 06:53:46,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5861 conditions, 4003 events. 311/4003 cut-off events. For 707/740 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15596 event pairs, 61 based on Foata normal form. 8/3797 useless extension candidates. Maximal degree in co-relation 3813. Up to 1009 conditions per place. [2024-11-09 06:53:46,912 INFO L140 encePairwiseOnDemand]: 358/370 looper letters, 84 selfloop transitions, 31 changer transitions 0/481 dead transitions. [2024-11-09 06:53:46,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 481 transitions, 1796 flow [2024-11-09 06:53:46,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:46,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1909 transitions. [2024-11-09 06:53:46,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8599099099099099 [2024-11-09 06:53:46,916 INFO L175 Difference]: Start difference. First operand has 451 places, 442 transitions, 1446 flow. Second operand 6 states and 1909 transitions. [2024-11-09 06:53:46,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 481 transitions, 1796 flow [2024-11-09 06:53:46,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 481 transitions, 1720 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-09 06:53:46,931 INFO L231 Difference]: Finished difference. Result has 454 places, 472 transitions, 1628 flow [2024-11-09 06:53:46,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=1370, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1628, PETRI_PLACES=454, PETRI_TRANSITIONS=472} [2024-11-09 06:53:46,933 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 93 predicate places. [2024-11-09 06:53:46,933 INFO L471 AbstractCegarLoop]: Abstraction has has 454 places, 472 transitions, 1628 flow [2024-11-09 06:53:46,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:46,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:46,935 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:46,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:53:47,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:47,136 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:47,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:47,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1047682573, now seen corresponding path program 1 times [2024-11-09 06:53:47,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:47,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886542370] [2024-11-09 06:53:47,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:47,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-09 06:53:49,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:49,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886542370] [2024-11-09 06:53:49,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886542370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:49,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226982469] [2024-11-09 06:53:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:49,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:49,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:49,890 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:49,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:53:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:51,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 5657 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:53:51,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-09 06:53:51,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-09 06:53:52,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226982469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:53:52,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:53:52,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-09 06:53:52,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340144655] [2024-11-09 06:53:52,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:53:52,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-09 06:53:52,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:52,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-09 06:53:52,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 06:53:52,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 370 [2024-11-09 06:53:52,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 472 transitions, 1628 flow. Second operand has 34 states, 34 states have (on average 349.1764705882353) internal successors, (11872), 34 states have internal predecessors, (11872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:52,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:52,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 370 [2024-11-09 06:53:52,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:55,513 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([927] L1052-3-->L1057-2: Formula: (and (= (store |v_#pthreadsMutex_32| |v_~#c~0.base_107| (store (select |v_#pthreadsMutex_32| |v_~#c~0.base_107|) (+ |v_~#c~0.offset_107| 104 (* |v_gThread1of1ForFork0_~j~1#1_29| 24)) 0)) |v_#pthreadsMutex_31|) (= |v_gThread1of1ForFork0_#t~ret27#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_107|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_29|, #pthreadsMutex=|v_#pthreadsMutex_32|, ~#c~0.offset=|v_~#c~0.offset_107|} OutVars{~#c~0.base=|v_~#c~0.base_107|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_29|, #pthreadsMutex=|v_#pthreadsMutex_31|, ~#c~0.offset=|v_~#c~0.offset_107|, gThread1of1ForFork0_#t~ret27#1=|v_gThread1of1ForFork0_#t~ret27#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, gThread1of1ForFork0_#t~ret27#1][408], [Black: 5595#(and (<= |ULTIMATE.start_main_~j~2#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5553#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 28)), Black: 4158#(<= |ULTIMATE.start_main_~j~2#1| 3), Black: 5563#(and (= 0 |ULTIMATE.start_main_#t~post31#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 1209#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 426#(<= |ULTIMATE.start_main_~j~2#1| 1), Black: 5601#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 4399#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 390#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 5583#(and (<= |ULTIMATE.start_main_~i~0#1| 1) (<= |ULTIMATE.start_main_~j~2#1| 3)), 9961#true, Black: 4682#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 5541#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 3)), 1799#true, Black: 3013#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 3025#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), Black: 3021#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 3017#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 96#L1057-2true, Black: 9955#(and (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 9951#(and (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 9943#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 9947#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), 362#true, 5642#true, 422#true, 364#true, 255#ULTIMATE.startFINALtrue, 3031#true, 11#L1037-2true, Black: 3035#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 5559#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 3033#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 5547#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 380#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 5589#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 4410#(< |ULTIMATE.start_main_~j~2#1| 29)]) [2024-11-09 06:53:55,513 INFO L294 olderBase$Statistics]: this new event has 2964 ancestors and is cut-off event [2024-11-09 06:53:55,513 INFO L297 olderBase$Statistics]: existing Event has 2937 ancestors and is cut-off event [2024-11-09 06:53:55,514 INFO L297 olderBase$Statistics]: existing Event has 2937 ancestors and is cut-off event [2024-11-09 06:53:55,514 INFO L297 olderBase$Statistics]: existing Event has 2937 ancestors and is cut-off event [2024-11-09 06:53:56,636 INFO L124 PetriNetUnfolderBase]: 340/6473 cut-off events. [2024-11-09 06:53:56,636 INFO L125 PetriNetUnfolderBase]: For 3586/3604 co-relation queries the response was YES. [2024-11-09 06:53:56,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8371 conditions, 6473 events. 340/6473 cut-off events. For 3586/3604 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 17991 event pairs, 100 based on Foata normal form. 30/6235 useless extension candidates. Maximal degree in co-relation 5721. Up to 259 conditions per place. [2024-11-09 06:53:56,662 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 47 selfloop transitions, 135 changer transitions 0/573 dead transitions. [2024-11-09 06:53:56,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 573 transitions, 2756 flow [2024-11-09 06:53:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-09 06:53:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-09 06:53:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 15695 transitions. [2024-11-09 06:53:56,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9426426426426426 [2024-11-09 06:53:56,681 INFO L175 Difference]: Start difference. First operand has 454 places, 472 transitions, 1628 flow. Second operand 45 states and 15695 transitions. [2024-11-09 06:53:56,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 573 transitions, 2756 flow [2024-11-09 06:53:56,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 573 transitions, 2756 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:56,701 INFO L231 Difference]: Finished difference. Result has 507 places, 547 transitions, 2502 flow [2024-11-09 06:53:56,701 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=1628, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2502, PETRI_PLACES=507, PETRI_TRANSITIONS=547} [2024-11-09 06:53:56,702 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 146 predicate places. [2024-11-09 06:53:56,702 INFO L471 AbstractCegarLoop]: Abstraction has has 507 places, 547 transitions, 2502 flow [2024-11-09 06:53:56,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 349.1764705882353) internal successors, (11872), 34 states have internal predecessors, (11872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:56,706 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:56,707 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:56,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 06:53:56,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 06:53:56,909 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:53:56,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:56,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1064687859, now seen corresponding path program 2 times [2024-11-09 06:53:56,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:56,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855202134] [2024-11-09 06:53:56,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:56,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-09 06:54:05,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:05,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855202134] [2024-11-09 06:54:05,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855202134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:54:05,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463651952] [2024-11-09 06:54:05,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:54:05,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:54:05,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:54:05,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:54:05,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:54:07,278 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:54:07,278 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:54:07,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:54:07,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:54:07,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 06:54:07,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-09 06:54:07,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:54:07,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-09 06:54:07,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:54:07,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-09 06:54:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-09 06:54:07,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:54:07,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463651952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:54:07,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:54:07,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-09 06:54:07,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933762190] [2024-11-09 06:54:07,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:54:07,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:54:07,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:07,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:54:07,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 06:54:07,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 370 [2024-11-09 06:54:07,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 547 transitions, 2502 flow. Second operand has 6 states, 6 states have (on average 309.5) internal successors, (1857), 6 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:54:07,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:07,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 370 [2024-11-09 06:54:07,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:54:12,106 INFO L124 PetriNetUnfolderBase]: 454/6730 cut-off events. [2024-11-09 06:54:12,107 INFO L125 PetriNetUnfolderBase]: For 2327/2412 co-relation queries the response was YES. [2024-11-09 06:54:12,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10673 conditions, 6730 events. 454/6730 cut-off events. For 2327/2412 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 21215 event pairs, 87 based on Foata normal form. 34/6533 useless extension candidates. Maximal degree in co-relation 7262. Up to 1847 conditions per place. [2024-11-09 06:54:12,139 INFO L140 encePairwiseOnDemand]: 359/370 looper letters, 108 selfloop transitions, 55 changer transitions 0/608 dead transitions. [2024-11-09 06:54:12,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 608 transitions, 3154 flow [2024-11-09 06:54:12,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:54:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:54:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1906 transitions. [2024-11-09 06:54:12,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8585585585585586 [2024-11-09 06:54:12,143 INFO L175 Difference]: Start difference. First operand has 507 places, 547 transitions, 2502 flow. Second operand 6 states and 1906 transitions. [2024-11-09 06:54:12,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 608 transitions, 3154 flow [2024-11-09 06:54:12,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 608 transitions, 3046 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-09 06:54:12,169 INFO L231 Difference]: Finished difference. Result has 499 places, 596 transitions, 2948 flow [2024-11-09 06:54:12,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=2394, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2948, PETRI_PLACES=499, PETRI_TRANSITIONS=596} [2024-11-09 06:54:12,171 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 138 predicate places. [2024-11-09 06:54:12,171 INFO L471 AbstractCegarLoop]: Abstraction has has 499 places, 596 transitions, 2948 flow [2024-11-09 06:54:12,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.5) internal successors, (1857), 6 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:54:12,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:54:12,173 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:12,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 06:54:12,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 06:54:12,374 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-09 06:54:12,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash 843567111, now seen corresponding path program 1 times [2024-11-09 06:54:12,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:54:12,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128122323] [2024-11-09 06:54:12,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-09 06:54:20,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:20,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128122323] [2024-11-09 06:54:20,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128122323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:54:20,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670139119] [2024-11-09 06:54:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:20,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:54:20,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:54:20,978 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:54:20,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 06:54:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:23,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 11563 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 06:54:23,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:54:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-09 06:54:25,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:54:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-09 06:54:26,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670139119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:54:26,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:54:26,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-09 06:54:26,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275497885] [2024-11-09 06:54:26,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:54:26,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-09 06:54:26,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:26,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-09 06:54:26,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-09 06:54:27,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 370 [2024-11-09 06:54:27,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 499 places, 596 transitions, 2948 flow. Second operand has 63 states, 63 states have (on average 349.14285714285717) internal successors, (21996), 63 states have internal predecessors, (21996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:54:27,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:27,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 370 [2024-11-09 06:54:27,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand