./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:29:21,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:29:21,336 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:29:21,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:29:21,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:29:21,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:29:21,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:29:21,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:29:21,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:29:21,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:29:21,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:29:21,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:29:21,369 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:29:21,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:29:21,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:29:21,370 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:29:21,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:29:21,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:29:21,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:29:21,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:29:21,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:29:21,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:29:21,376 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:29:21,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:29:21,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:29:21,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:29:21,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:29:21,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:29:21,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:29:21,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:29:21,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:29:21,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:29:21,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:29:21,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:29:21,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:29:21,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:29:21,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:29:21,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:29:21,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:29:21,379 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:29:21,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:29:21,383 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-10-24 15:29:21,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:29:21,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:29:21,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:29:21,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:29:21,609 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:29:21,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-10-24 15:29:22,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:29:22,995 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:29:22,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-10-24 15:29:23,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648b1e06c/c261592f65e240e0bbffb5320f0940cb/FLAG3c6e640e6 [2024-10-24 15:29:23,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648b1e06c/c261592f65e240e0bbffb5320f0940cb [2024-10-24 15:29:23,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:29:23,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:29:23,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:29:23,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:29:23,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:29:23,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b491c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23, skipping insertion in model container [2024-10-24 15:29:23,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:29:23,436 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:23,438 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:23,439 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:23,440 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:23,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:29:23,483 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:29:23,509 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:23,510 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:23,514 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:23,515 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:23,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:29:23,575 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:29:23,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23 WrapperNode [2024-10-24 15:29:23,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:29:23,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:29:23,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:29:23,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:29:23,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,628 INFO L138 Inliner]: procedures = 278, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 315 [2024-10-24 15:29:23,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:29:23,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:29:23,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:29:23,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:29:23,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:29:23,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:29:23,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:29:23,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:29:23,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (1/1) ... [2024-10-24 15:29:23,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:29:23,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:23,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:29:23,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:29:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 15:29:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-24 15:29:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 15:29:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 15:29:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:29:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:29:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:29:23,763 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:29:23,890 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:29:23,891 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:29:24,329 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:29:24,329 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:29:24,369 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:29:24,369 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-24 15:29:24,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:29:24 BoogieIcfgContainer [2024-10-24 15:29:24,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:29:24,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:29:24,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:29:24,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:29:24,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:29:23" (1/3) ... [2024-10-24 15:29:24,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41840d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:29:24, skipping insertion in model container [2024-10-24 15:29:24,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:23" (2/3) ... [2024-10-24 15:29:24,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41840d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:29:24, skipping insertion in model container [2024-10-24 15:29:24,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:29:24" (3/3) ... [2024-10-24 15:29:24,378 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-10-24 15:29:24,392 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:29:24,392 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-10-24 15:29:24,392 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:29:24,470 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-24 15:29:24,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 340 transitions, 687 flow [2024-10-24 15:29:24,622 INFO L124 PetriNetUnfolderBase]: 27/372 cut-off events. [2024-10-24 15:29:24,622 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:29:24,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 372 events. 27/372 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 956 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 187. Up to 4 conditions per place. [2024-10-24 15:29:24,629 INFO L82 GeneralOperation]: Start removeDead. Operand has 318 places, 340 transitions, 687 flow [2024-10-24 15:29:24,637 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 340 transitions, 687 flow [2024-10-24 15:29:24,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:29:24,649 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;@3b7e6938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:29:24,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-24 15:29:24,661 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:29:24,661 INFO L124 PetriNetUnfolderBase]: 3/52 cut-off events. [2024-10-24 15:29:24,661 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:29:24,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:24,662 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] [2024-10-24 15:29:24,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:24,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:24,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1046704025, now seen corresponding path program 1 times [2024-10-24 15:29:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:24,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530903631] [2024-10-24 15:29:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:24,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:25,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:25,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530903631] [2024-10-24 15:29:25,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530903631] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:25,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:25,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:25,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478150180] [2024-10-24 15:29:25,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:25,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:25,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:25,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:25,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:25,956 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 340 [2024-10-24 15:29:25,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 340 transitions, 687 flow. Second operand has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:25,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:25,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 340 [2024-10-24 15:29:25,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:26,202 INFO L124 PetriNetUnfolderBase]: 319/1534 cut-off events. [2024-10-24 15:29:26,203 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-24 15:29:26,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2224 conditions, 1534 events. 319/1534 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10078 event pairs, 288 based on Foata normal form. 182/1586 useless extension candidates. Maximal degree in co-relation 1972. Up to 674 conditions per place. [2024-10-24 15:29:26,212 INFO L140 encePairwiseOnDemand]: 309/340 looper letters, 80 selfloop transitions, 10 changer transitions 0/317 dead transitions. [2024-10-24 15:29:26,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 317 transitions, 821 flow [2024-10-24 15:29:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:26,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1479 transitions. [2024-10-24 15:29:26,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.725 [2024-10-24 15:29:26,228 INFO L175 Difference]: Start difference. First operand has 318 places, 340 transitions, 687 flow. Second operand 6 states and 1479 transitions. [2024-10-24 15:29:26,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 317 transitions, 821 flow [2024-10-24 15:29:26,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 317 transitions, 821 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:29:26,239 INFO L231 Difference]: Finished difference. Result has 319 places, 317 transitions, 661 flow [2024-10-24 15:29:26,241 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=661, PETRI_PLACES=319, PETRI_TRANSITIONS=317} [2024-10-24 15:29:26,246 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-10-24 15:29:26,246 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 317 transitions, 661 flow [2024-10-24 15:29:26,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:26,247 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:26,248 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] [2024-10-24 15:29:26,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:29:26,248 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:26,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash 533804622, now seen corresponding path program 1 times [2024-10-24 15:29:26,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:26,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767910433] [2024-10-24 15:29:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:26,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:26,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:26,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767910433] [2024-10-24 15:29:26,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767910433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:26,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:26,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:29:26,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652310877] [2024-10-24 15:29:26,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:26,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:29:26,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:26,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:29:26,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:29:26,316 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 340 [2024-10-24 15:29:26,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 317 transitions, 661 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:26,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:26,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 340 [2024-10-24 15:29:26,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:26,401 INFO L124 PetriNetUnfolderBase]: 15/497 cut-off events. [2024-10-24 15:29:26,401 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-10-24 15:29:26,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 497 events. 15/497 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1670 event pairs, 8 based on Foata normal form. 1/454 useless extension candidates. Maximal degree in co-relation 334. Up to 34 conditions per place. [2024-10-24 15:29:26,404 INFO L140 encePairwiseOnDemand]: 337/340 looper letters, 15 selfloop transitions, 2 changer transitions 0/318 dead transitions. [2024-10-24 15:29:26,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 318 transitions, 697 flow [2024-10-24 15:29:26,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:29:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:29:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 930 transitions. [2024-10-24 15:29:26,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9117647058823529 [2024-10-24 15:29:26,407 INFO L175 Difference]: Start difference. First operand has 319 places, 317 transitions, 661 flow. Second operand 3 states and 930 transitions. [2024-10-24 15:29:26,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 318 transitions, 697 flow [2024-10-24 15:29:26,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 318 transitions, 677 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:26,416 INFO L231 Difference]: Finished difference. Result has 317 places, 318 transitions, 653 flow [2024-10-24 15:29:26,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=317, PETRI_TRANSITIONS=318} [2024-10-24 15:29:26,417 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -1 predicate places. [2024-10-24 15:29:26,418 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 318 transitions, 653 flow [2024-10-24 15:29:26,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:26,419 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:26,419 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] [2024-10-24 15:29:26,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:29:26,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:26,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:26,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1393514690, now seen corresponding path program 1 times [2024-10-24 15:29:26,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:26,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337750859] [2024-10-24 15:29:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:26,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:26,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:26,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337750859] [2024-10-24 15:29:26,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337750859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:26,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:26,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:26,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956639672] [2024-10-24 15:29:26,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:26,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:26,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:26,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:26,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:27,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 340 [2024-10-24 15:29:27,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 318 transitions, 653 flow. Second operand has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:27,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:27,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 340 [2024-10-24 15:29:27,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:27,327 INFO L124 PetriNetUnfolderBase]: 320/1656 cut-off events. [2024-10-24 15:29:27,329 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-10-24 15:29:27,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2397 conditions, 1656 events. 320/1656 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10837 event pairs, 288 based on Foata normal form. 0/1522 useless extension candidates. Maximal degree in co-relation 2201. Up to 708 conditions per place. [2024-10-24 15:29:27,336 INFO L140 encePairwiseOnDemand]: 328/340 looper letters, 80 selfloop transitions, 10 changer transitions 0/316 dead transitions. [2024-10-24 15:29:27,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 316 transitions, 829 flow [2024-10-24 15:29:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1460 transitions. [2024-10-24 15:29:27,340 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7156862745098039 [2024-10-24 15:29:27,340 INFO L175 Difference]: Start difference. First operand has 317 places, 318 transitions, 653 flow. Second operand 6 states and 1460 transitions. [2024-10-24 15:29:27,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 316 transitions, 829 flow [2024-10-24 15:29:27,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 316 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:27,346 INFO L231 Difference]: Finished difference. Result has 319 places, 316 transitions, 667 flow [2024-10-24 15:29:27,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=667, PETRI_PLACES=319, PETRI_TRANSITIONS=316} [2024-10-24 15:29:27,347 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-10-24 15:29:27,348 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 316 transitions, 667 flow [2024-10-24 15:29:27,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:27,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:27,350 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] [2024-10-24 15:29:27,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:29:27,351 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:27,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:27,352 INFO L85 PathProgramCache]: Analyzing trace with hash 37529182, now seen corresponding path program 1 times [2024-10-24 15:29:27,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:27,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564657308] [2024-10-24 15:29:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:27,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:27,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:27,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564657308] [2024-10-24 15:29:27,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564657308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:27,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:27,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:27,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042402602] [2024-10-24 15:29:27,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:27,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:27,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:27,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:27,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:27,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 340 [2024-10-24 15:29:27,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 316 transitions, 667 flow. Second operand has 6 states, 6 states have (on average 229.66666666666666) internal successors, (1378), 6 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:27,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:27,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 340 [2024-10-24 15:29:27,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:28,120 INFO L124 PetriNetUnfolderBase]: 320/1654 cut-off events. [2024-10-24 15:29:28,120 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-24 15:29:28,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2418 conditions, 1654 events. 320/1654 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10826 event pairs, 288 based on Foata normal form. 0/1522 useless extension candidates. Maximal degree in co-relation 2101. Up to 722 conditions per place. [2024-10-24 15:29:28,125 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 87 selfloop transitions, 5 changer transitions 0/315 dead transitions. [2024-10-24 15:29:28,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 315 transitions, 849 flow [2024-10-24 15:29:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2024-10-24 15:29:28,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7132352941176471 [2024-10-24 15:29:28,129 INFO L175 Difference]: Start difference. First operand has 319 places, 316 transitions, 667 flow. Second operand 6 states and 1455 transitions. [2024-10-24 15:29:28,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 315 transitions, 849 flow [2024-10-24 15:29:28,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 315 transitions, 829 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:28,134 INFO L231 Difference]: Finished difference. Result has 318 places, 315 transitions, 655 flow [2024-10-24 15:29:28,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=655, PETRI_PLACES=318, PETRI_TRANSITIONS=315} [2024-10-24 15:29:28,135 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 0 predicate places. [2024-10-24 15:29:28,135 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 315 transitions, 655 flow [2024-10-24 15:29:28,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.66666666666666) internal successors, (1378), 6 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:28,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:28,136 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] [2024-10-24 15:29:28,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:29:28,137 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:28,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:28,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1074277269, now seen corresponding path program 1 times [2024-10-24 15:29:28,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:28,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248978446] [2024-10-24 15:29:28,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:28,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:28,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:28,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:28,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248978446] [2024-10-24 15:29:28,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248978446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:28,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:28,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:29:28,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207050010] [2024-10-24 15:29:28,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:28,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:29:28,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:28,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:29:28,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:29:28,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 340 [2024-10-24 15:29:28,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 315 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:28,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:28,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 340 [2024-10-24 15:29:28,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:28,268 INFO L124 PetriNetUnfolderBase]: 15/679 cut-off events. [2024-10-24 15:29:28,269 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-10-24 15:29:28,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 679 events. 15/679 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1618 event pairs, 8 based on Foata normal form. 2/635 useless extension candidates. Maximal degree in co-relation 525. Up to 38 conditions per place. [2024-10-24 15:29:28,271 INFO L140 encePairwiseOnDemand]: 337/340 looper letters, 15 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2024-10-24 15:29:28,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 316 transitions, 691 flow [2024-10-24 15:29:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:29:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:29:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 930 transitions. [2024-10-24 15:29:28,273 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9117647058823529 [2024-10-24 15:29:28,273 INFO L175 Difference]: Start difference. First operand has 318 places, 315 transitions, 655 flow. Second operand 3 states and 930 transitions. [2024-10-24 15:29:28,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 316 transitions, 691 flow [2024-10-24 15:29:28,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 316 transitions, 681 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:28,277 INFO L231 Difference]: Finished difference. Result has 316 places, 316 transitions, 657 flow [2024-10-24 15:29:28,278 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=657, PETRI_PLACES=316, PETRI_TRANSITIONS=316} [2024-10-24 15:29:28,278 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -2 predicate places. [2024-10-24 15:29:28,278 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 316 transitions, 657 flow [2024-10-24 15:29:28,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:28,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:28,279 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:28,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:29:28,280 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:28,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:28,280 INFO L85 PathProgramCache]: Analyzing trace with hash 529499373, now seen corresponding path program 1 times [2024-10-24 15:29:28,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:28,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326090190] [2024-10-24 15:29:28,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:28,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:28,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:28,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:28,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326090190] [2024-10-24 15:29:28,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326090190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:28,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:28,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:28,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666352072] [2024-10-24 15:29:28,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:28,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:28,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:28,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:28,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:29,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 340 [2024-10-24 15:29:29,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 316 transitions, 657 flow. Second operand has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:29,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:29,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 340 [2024-10-24 15:29:29,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:29,155 INFO L124 PetriNetUnfolderBase]: 83/993 cut-off events. [2024-10-24 15:29:29,156 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-10-24 15:29:29,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 993 events. 83/993 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3666 event pairs, 64 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 882. Up to 311 conditions per place. [2024-10-24 15:29:29,159 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 62 selfloop transitions, 5 changer transitions 0/315 dead transitions. [2024-10-24 15:29:29,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 315 transitions, 789 flow [2024-10-24 15:29:29,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:29,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1580 transitions. [2024-10-24 15:29:29,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7745098039215687 [2024-10-24 15:29:29,162 INFO L175 Difference]: Start difference. First operand has 316 places, 316 transitions, 657 flow. Second operand 6 states and 1580 transitions. [2024-10-24 15:29:29,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 315 transitions, 789 flow [2024-10-24 15:29:29,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 315 transitions, 787 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:29,169 INFO L231 Difference]: Finished difference. Result has 319 places, 315 transitions, 663 flow [2024-10-24 15:29:29,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=663, PETRI_PLACES=319, PETRI_TRANSITIONS=315} [2024-10-24 15:29:29,170 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-10-24 15:29:29,170 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 315 transitions, 663 flow [2024-10-24 15:29:29,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:29,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:29,171 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] [2024-10-24 15:29:29,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:29:29,171 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:29,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:29,172 INFO L85 PathProgramCache]: Analyzing trace with hash -286938861, now seen corresponding path program 1 times [2024-10-24 15:29:29,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:29,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490474643] [2024-10-24 15:29:29,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:29,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:29,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:29,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490474643] [2024-10-24 15:29:29,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490474643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:29,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:29,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:29,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295114576] [2024-10-24 15:29:29,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:29,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:29,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:29,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:29,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:29,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 340 [2024-10-24 15:29:29,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 315 transitions, 663 flow. Second operand has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:29,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:29,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 340 [2024-10-24 15:29:29,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:30,065 INFO L124 PetriNetUnfolderBase]: 320/1834 cut-off events. [2024-10-24 15:29:30,065 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-24 15:29:30,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2683 conditions, 1834 events. 320/1834 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10752 event pairs, 288 based on Foata normal form. 0/1702 useless extension candidates. Maximal degree in co-relation 2245. Up to 788 conditions per place. [2024-10-24 15:29:30,073 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 87 selfloop transitions, 5 changer transitions 0/314 dead transitions. [2024-10-24 15:29:30,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 314 transitions, 845 flow [2024-10-24 15:29:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2024-10-24 15:29:30,077 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7132352941176471 [2024-10-24 15:29:30,077 INFO L175 Difference]: Start difference. First operand has 319 places, 315 transitions, 663 flow. Second operand 6 states and 1455 transitions. [2024-10-24 15:29:30,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 314 transitions, 845 flow [2024-10-24 15:29:30,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 314 transitions, 835 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:30,082 INFO L231 Difference]: Finished difference. Result has 318 places, 314 transitions, 661 flow [2024-10-24 15:29:30,083 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=661, PETRI_PLACES=318, PETRI_TRANSITIONS=314} [2024-10-24 15:29:30,083 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 0 predicate places. [2024-10-24 15:29:30,084 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 314 transitions, 661 flow [2024-10-24 15:29:30,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.33333333333334) internal successors, (1394), 6 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:30,085 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:30,085 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:30,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:29:30,085 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:30,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:30,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1564661826, now seen corresponding path program 1 times [2024-10-24 15:29:30,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:30,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553764889] [2024-10-24 15:29:30,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:30,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:30,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:30,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553764889] [2024-10-24 15:29:30,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553764889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:30,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:30,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:30,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834600117] [2024-10-24 15:29:30,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:30,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:30,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:30,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:30,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:30,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 340 [2024-10-24 15:29:30,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 314 transitions, 661 flow. Second operand has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:30,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:30,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 340 [2024-10-24 15:29:30,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:30,836 INFO L124 PetriNetUnfolderBase]: 320/1830 cut-off events. [2024-10-24 15:29:30,836 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-24 15:29:30,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 1830 events. 320/1830 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10697 event pairs, 288 based on Foata normal form. 0/1702 useless extension candidates. Maximal degree in co-relation 2261. Up to 772 conditions per place. [2024-10-24 15:29:30,843 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 83 selfloop transitions, 5 changer transitions 0/313 dead transitions. [2024-10-24 15:29:30,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 313 transitions, 835 flow [2024-10-24 15:29:30,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1475 transitions. [2024-10-24 15:29:30,845 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7230392156862745 [2024-10-24 15:29:30,845 INFO L175 Difference]: Start difference. First operand has 318 places, 314 transitions, 661 flow. Second operand 6 states and 1475 transitions. [2024-10-24 15:29:30,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 313 transitions, 835 flow [2024-10-24 15:29:30,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 313 transitions, 825 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:30,851 INFO L231 Difference]: Finished difference. Result has 317 places, 313 transitions, 659 flow [2024-10-24 15:29:30,852 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=659, PETRI_PLACES=317, PETRI_TRANSITIONS=313} [2024-10-24 15:29:30,853 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -1 predicate places. [2024-10-24 15:29:30,854 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 313 transitions, 659 flow [2024-10-24 15:29:30,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:30,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:30,854 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:30,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:29:30,855 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:30,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:30,855 INFO L85 PathProgramCache]: Analyzing trace with hash -2005201315, now seen corresponding path program 1 times [2024-10-24 15:29:30,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:30,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659943315] [2024-10-24 15:29:30,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:30,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:31,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:31,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659943315] [2024-10-24 15:29:31,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659943315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:31,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:31,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:31,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277466089] [2024-10-24 15:29:31,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:31,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:31,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:31,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:31,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:31,515 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 340 [2024-10-24 15:29:31,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 313 transitions, 659 flow. Second operand has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:31,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:31,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 340 [2024-10-24 15:29:31,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:31,803 INFO L124 PetriNetUnfolderBase]: 320/1826 cut-off events. [2024-10-24 15:29:31,803 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-24 15:29:31,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2659 conditions, 1826 events. 320/1826 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10698 event pairs, 288 based on Foata normal form. 0/1702 useless extension candidates. Maximal degree in co-relation 2276. Up to 772 conditions per place. [2024-10-24 15:29:31,809 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 83 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2024-10-24 15:29:31,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 312 transitions, 833 flow [2024-10-24 15:29:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:31,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1475 transitions. [2024-10-24 15:29:31,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7230392156862745 [2024-10-24 15:29:31,811 INFO L175 Difference]: Start difference. First operand has 317 places, 313 transitions, 659 flow. Second operand 6 states and 1475 transitions. [2024-10-24 15:29:31,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 312 transitions, 833 flow [2024-10-24 15:29:31,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 312 transitions, 823 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:31,815 INFO L231 Difference]: Finished difference. Result has 316 places, 312 transitions, 657 flow [2024-10-24 15:29:31,816 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=657, PETRI_PLACES=316, PETRI_TRANSITIONS=312} [2024-10-24 15:29:31,816 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -2 predicate places. [2024-10-24 15:29:31,817 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 312 transitions, 657 flow [2024-10-24 15:29:31,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 237.0) internal successors, (1422), 6 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:31,817 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:31,818 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] [2024-10-24 15:29:31,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:29:31,818 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:31,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:31,818 INFO L85 PathProgramCache]: Analyzing trace with hash 42858567, now seen corresponding path program 1 times [2024-10-24 15:29:31,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:31,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755511256] [2024-10-24 15:29:31,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:31,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:32,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:32,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755511256] [2024-10-24 15:29:32,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755511256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:32,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:32,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:32,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008684241] [2024-10-24 15:29:32,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:32,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:32,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:32,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:32,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:32,414 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 340 [2024-10-24 15:29:32,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 312 transitions, 657 flow. Second operand has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:32,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:32,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 340 [2024-10-24 15:29:32,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:32,623 INFO L124 PetriNetUnfolderBase]: 320/1822 cut-off events. [2024-10-24 15:29:32,623 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-24 15:29:32,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2675 conditions, 1822 events. 320/1822 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10732 event pairs, 288 based on Foata normal form. 0/1702 useless extension candidates. Maximal degree in co-relation 2289. Up to 792 conditions per place. [2024-10-24 15:29:32,630 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 88 selfloop transitions, 5 changer transitions 0/311 dead transitions. [2024-10-24 15:29:32,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 311 transitions, 841 flow [2024-10-24 15:29:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1450 transitions. [2024-10-24 15:29:32,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7107843137254902 [2024-10-24 15:29:32,633 INFO L175 Difference]: Start difference. First operand has 316 places, 312 transitions, 657 flow. Second operand 6 states and 1450 transitions. [2024-10-24 15:29:32,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 311 transitions, 841 flow [2024-10-24 15:29:32,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 311 transitions, 831 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:32,638 INFO L231 Difference]: Finished difference. Result has 315 places, 311 transitions, 655 flow [2024-10-24 15:29:32,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=655, PETRI_PLACES=315, PETRI_TRANSITIONS=311} [2024-10-24 15:29:32,639 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -3 predicate places. [2024-10-24 15:29:32,639 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 311 transitions, 655 flow [2024-10-24 15:29:32,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.5) internal successors, (1401), 6 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:32,640 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:32,640 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] [2024-10-24 15:29:32,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:29:32,641 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:32,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:32,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1553123684, now seen corresponding path program 1 times [2024-10-24 15:29:32,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:32,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324168697] [2024-10-24 15:29:32,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:32,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:32,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:32,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324168697] [2024-10-24 15:29:32,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324168697] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:32,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686665535] [2024-10-24 15:29:32,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:32,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:32,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:32,769 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) [2024-10-24 15:29:32,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 15:29:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:32,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 15:29:32,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:33,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:29:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:33,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686665535] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:29:33,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:29:33,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-24 15:29:33,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735316181] [2024-10-24 15:29:33,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:29:33,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 15:29:33,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:33,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 15:29:33,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 15:29:33,198 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340 [2024-10-24 15:29:33,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 311 transitions, 655 flow. Second operand has 10 states, 10 states have (on average 302.8) internal successors, (3028), 10 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:33,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:33,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340 [2024-10-24 15:29:33,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:33,331 INFO L124 PetriNetUnfolderBase]: 15/843 cut-off events. [2024-10-24 15:29:33,332 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-10-24 15:29:33,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 957 conditions, 843 events. 15/843 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1052 event pairs, 8 based on Foata normal form. 4/821 useless extension candidates. Maximal degree in co-relation 731. Up to 38 conditions per place. [2024-10-24 15:29:33,334 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 19 selfloop transitions, 9 changer transitions 0/319 dead transitions. [2024-10-24 15:29:33,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 319 transitions, 729 flow [2024-10-24 15:29:33,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 15:29:33,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 15:29:33,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2739 transitions. [2024-10-24 15:29:33,339 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8950980392156863 [2024-10-24 15:29:33,339 INFO L175 Difference]: Start difference. First operand has 315 places, 311 transitions, 655 flow. Second operand 9 states and 2739 transitions. [2024-10-24 15:29:33,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 319 transitions, 729 flow [2024-10-24 15:29:33,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 319 transitions, 719 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:33,344 INFO L231 Difference]: Finished difference. Result has 321 places, 317 transitions, 695 flow [2024-10-24 15:29:33,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=695, PETRI_PLACES=321, PETRI_TRANSITIONS=317} [2024-10-24 15:29:33,346 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 3 predicate places. [2024-10-24 15:29:33,346 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 317 transitions, 695 flow [2024-10-24 15:29:33,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 302.8) internal successors, (3028), 10 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:33,347 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:33,348 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] [2024-10-24 15:29:33,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 15:29:33,548 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 [2024-10-24 15:29:33,549 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:33,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:33,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2010027821, now seen corresponding path program 1 times [2024-10-24 15:29:33,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:33,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231553285] [2024-10-24 15:29:33,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:33,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-24 15:29:33,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231553285] [2024-10-24 15:29:33,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231553285] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125478512] [2024-10-24 15:29:33,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:33,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:33,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:33,878 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) [2024-10-24 15:29:33,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 15:29:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:34,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 15:29:34,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-24 15:29:34,189 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:29:34,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125478512] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:34,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:29:34,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-24 15:29:34,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636054843] [2024-10-24 15:29:34,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:34,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:29:34,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:34,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:29:34,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:34,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 340 [2024-10-24 15:29:34,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 317 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:34,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:34,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 340 [2024-10-24 15:29:34,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:34,313 INFO L124 PetriNetUnfolderBase]: 45/1117 cut-off events. [2024-10-24 15:29:34,313 INFO L125 PetriNetUnfolderBase]: For 17/21 co-relation queries the response was YES. [2024-10-24 15:29:34,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1269 conditions, 1117 events. 45/1117 cut-off events. For 17/21 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2862 event pairs, 24 based on Foata normal form. 2/1050 useless extension candidates. Maximal degree in co-relation 809. Up to 77 conditions per place. [2024-10-24 15:29:34,317 INFO L140 encePairwiseOnDemand]: 337/340 looper letters, 22 selfloop transitions, 2 changer transitions 0/325 dead transitions. [2024-10-24 15:29:34,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 325 transitions, 759 flow [2024-10-24 15:29:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:29:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:29:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-10-24 15:29:34,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9186274509803921 [2024-10-24 15:29:34,319 INFO L175 Difference]: Start difference. First operand has 321 places, 317 transitions, 695 flow. Second operand 3 states and 937 transitions. [2024-10-24 15:29:34,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 325 transitions, 759 flow [2024-10-24 15:29:34,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 325 transitions, 753 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:34,324 INFO L231 Difference]: Finished difference. Result has 323 places, 317 transitions, 697 flow [2024-10-24 15:29:34,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=323, PETRI_TRANSITIONS=317} [2024-10-24 15:29:34,325 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 5 predicate places. [2024-10-24 15:29:34,325 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 317 transitions, 697 flow [2024-10-24 15:29:34,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:34,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:34,326 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] [2024-10-24 15:29:34,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 15:29:34,530 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 [2024-10-24 15:29:34,531 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:34,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:34,532 INFO L85 PathProgramCache]: Analyzing trace with hash 363398740, now seen corresponding path program 2 times [2024-10-24 15:29:34,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:34,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283587438] [2024-10-24 15:29:34,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:34,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-24 15:29:34,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:34,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283587438] [2024-10-24 15:29:34,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283587438] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:34,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195868771] [2024-10-24 15:29:34,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:29:34,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:34,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:34,784 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) [2024-10-24 15:29:34,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 15:29:34,990 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:29:34,990 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:29:34,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 15:29:34,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:35,058 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 [2024-10-24 15:29:35,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-10-24 15:29:35,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:35,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-10-24 15:29:35,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:35,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-10-24 15:29:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-24 15:29:35,168 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:29:35,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195868771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:35,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:29:35,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-10-24 15:29:35,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905379500] [2024-10-24 15:29:35,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:35,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 15:29:35,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:35,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 15:29:35,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 15:29:35,523 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 340 [2024-10-24 15:29:35,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 317 transitions, 697 flow. Second operand has 8 states, 8 states have (on average 229.125) internal successors, (1833), 8 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:35,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:35,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 340 [2024-10-24 15:29:35,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:35,901 INFO L124 PetriNetUnfolderBase]: 628/3123 cut-off events. [2024-10-24 15:29:35,901 INFO L125 PetriNetUnfolderBase]: For 90/106 co-relation queries the response was YES. [2024-10-24 15:29:35,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4748 conditions, 3123 events. 628/3123 cut-off events. For 90/106 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 19812 event pairs, 468 based on Foata normal form. 2/2890 useless extension candidates. Maximal degree in co-relation 4154. Up to 1044 conditions per place. [2024-10-24 15:29:35,913 INFO L140 encePairwiseOnDemand]: 330/340 looper letters, 168 selfloop transitions, 10 changer transitions 0/398 dead transitions. [2024-10-24 15:29:35,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 398 transitions, 1218 flow [2024-10-24 15:29:35,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 15:29:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 15:29:35,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1963 transitions. [2024-10-24 15:29:35,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7216911764705882 [2024-10-24 15:29:35,917 INFO L175 Difference]: Start difference. First operand has 323 places, 317 transitions, 697 flow. Second operand 8 states and 1963 transitions. [2024-10-24 15:29:35,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 398 transitions, 1218 flow [2024-10-24 15:29:35,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 398 transitions, 1212 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:29:35,922 INFO L231 Difference]: Finished difference. Result has 333 places, 323 transitions, 751 flow [2024-10-24 15:29:35,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=751, PETRI_PLACES=333, PETRI_TRANSITIONS=323} [2024-10-24 15:29:35,923 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 15 predicate places. [2024-10-24 15:29:35,923 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 323 transitions, 751 flow [2024-10-24 15:29:35,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 229.125) internal successors, (1833), 8 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:35,924 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:35,924 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, 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] [2024-10-24 15:29:35,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 15:29:36,128 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 [2024-10-24 15:29:36,129 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:36,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1673117149, now seen corresponding path program 1 times [2024-10-24 15:29:36,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:36,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688915733] [2024-10-24 15:29:36,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-10-24 15:29:36,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:36,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688915733] [2024-10-24 15:29:36,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688915733] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:36,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286608103] [2024-10-24 15:29:36,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:36,389 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) [2024-10-24 15:29:36,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 15:29:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:36,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 15:29:36,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-24 15:29:37,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:29:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-24 15:29:37,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286608103] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:29:37,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:29:37,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-10-24 15:29:37,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647994778] [2024-10-24 15:29:37,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:29:37,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 15:29:37,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:37,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 15:29:37,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-10-24 15:29:37,388 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 340 [2024-10-24 15:29:37,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 323 transitions, 751 flow. Second operand has 19 states, 19 states have (on average 297.57894736842104) internal successors, (5654), 19 states have internal predecessors, (5654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:37,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:37,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 340 [2024-10-24 15:29:37,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:38,520 INFO L124 PetriNetUnfolderBase]: 24/2347 cut-off events. [2024-10-24 15:29:38,521 INFO L125 PetriNetUnfolderBase]: For 85/87 co-relation queries the response was YES. [2024-10-24 15:29:38,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2689 conditions, 2347 events. 24/2347 cut-off events. For 85/87 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1852 event pairs, 9 based on Foata normal form. 13/2323 useless extension candidates. Maximal degree in co-relation 2274. Up to 52 conditions per place. [2024-10-24 15:29:38,525 INFO L140 encePairwiseOnDemand]: 329/340 looper letters, 51 selfloop transitions, 68 changer transitions 0/409 dead transitions. [2024-10-24 15:29:38,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 409 transitions, 1399 flow [2024-10-24 15:29:38,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-24 15:29:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-10-24 15:29:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 18717 transitions. [2024-10-24 15:29:38,546 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8738095238095238 [2024-10-24 15:29:38,546 INFO L175 Difference]: Start difference. First operand has 333 places, 323 transitions, 751 flow. Second operand 63 states and 18717 transitions. [2024-10-24 15:29:38,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 409 transitions, 1399 flow [2024-10-24 15:29:38,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 409 transitions, 1392 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:29:38,552 INFO L231 Difference]: Finished difference. Result has 409 places, 385 transitions, 1264 flow [2024-10-24 15:29:38,552 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1264, PETRI_PLACES=409, PETRI_TRANSITIONS=385} [2024-10-24 15:29:38,552 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 91 predicate places. [2024-10-24 15:29:38,552 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 385 transitions, 1264 flow [2024-10-24 15:29:38,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 297.57894736842104) internal successors, (5654), 19 states have internal predecessors, (5654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:38,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:38,555 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, 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] [2024-10-24 15:29:38,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 15:29:38,755 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 [2024-10-24 15:29:38,755 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:38,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:38,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1703762583, now seen corresponding path program 2 times [2024-10-24 15:29:38,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:38,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068909917] [2024-10-24 15:29:38,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:38,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2024-10-24 15:29:40,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:40,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068909917] [2024-10-24 15:29:40,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068909917] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:40,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500109960] [2024-10-24 15:29:40,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:29:40,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:40,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:40,841 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) [2024-10-24 15:29:40,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 15:29:41,329 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:29:41,329 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:29:41,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 15:29:41,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:41,376 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 [2024-10-24 15:29:41,392 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 [2024-10-24 15:29:41,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:41,413 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 [2024-10-24 15:29:41,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:41,438 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 [2024-10-24 15:29:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8255 trivial. 0 not checked. [2024-10-24 15:29:41,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:29:41,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500109960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:41,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:29:41,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-24 15:29:41,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216088574] [2024-10-24 15:29:41,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:41,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:41,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:41,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:41,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-24 15:29:41,698 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 340 [2024-10-24 15:29:41,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 385 transitions, 1264 flow. Second operand has 6 states, 6 states have (on average 233.33333333333334) internal successors, (1400), 6 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:41,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:41,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 340 [2024-10-24 15:29:41,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:43,443 INFO L124 PetriNetUnfolderBase]: 735/4721 cut-off events. [2024-10-24 15:29:43,443 INFO L125 PetriNetUnfolderBase]: For 680/698 co-relation queries the response was YES. [2024-10-24 15:29:43,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7658 conditions, 4721 events. 735/4721 cut-off events. For 680/698 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 21922 event pairs, 290 based on Foata normal form. 43/4557 useless extension candidates. Maximal degree in co-relation 5611. Up to 1913 conditions per place. [2024-10-24 15:29:43,457 INFO L140 encePairwiseOnDemand]: 305/340 looper letters, 127 selfloop transitions, 123 changer transitions 0/533 dead transitions. [2024-10-24 15:29:43,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 533 transitions, 2074 flow [2024-10-24 15:29:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1590 transitions. [2024-10-24 15:29:43,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7794117647058824 [2024-10-24 15:29:43,459 INFO L175 Difference]: Start difference. First operand has 409 places, 385 transitions, 1264 flow. Second operand 6 states and 1590 transitions. [2024-10-24 15:29:43,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 533 transitions, 2074 flow [2024-10-24 15:29:43,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 533 transitions, 1998 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-10-24 15:29:43,474 INFO L231 Difference]: Finished difference. Result has 412 places, 501 transitions, 1992 flow [2024-10-24 15:29:43,474 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1992, PETRI_PLACES=412, PETRI_TRANSITIONS=501} [2024-10-24 15:29:43,475 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 94 predicate places. [2024-10-24 15:29:43,475 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 501 transitions, 1992 flow [2024-10-24 15:29:43,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.33333333333334) internal successors, (1400), 6 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:43,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:43,476 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] [2024-10-24 15:29:43,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 15:29:43,676 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 [2024-10-24 15:29:43,677 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:43,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:43,677 INFO L85 PathProgramCache]: Analyzing trace with hash -669663978, now seen corresponding path program 1 times [2024-10-24 15:29:43,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:43,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604163881] [2024-10-24 15:29:43,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:43,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-10-24 15:29:44,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:44,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604163881] [2024-10-24 15:29:44,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604163881] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:44,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314422865] [2024-10-24 15:29:44,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:44,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:44,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:44,793 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) [2024-10-24 15:29:44,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 15:29:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:45,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 5500 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 15:29:45,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-10-24 15:29:46,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:29:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2024-10-24 15:29:47,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314422865] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:29:47,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:29:47,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-10-24 15:29:47,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354183197] [2024-10-24 15:29:47,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:29:47,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-24 15:29:47,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:47,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-24 15:29:47,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2024-10-24 15:29:47,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 340 [2024-10-24 15:29:47,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 501 transitions, 1992 flow. Second operand has 35 states, 35 states have (on average 297.51428571428573) internal successors, (10413), 35 states have internal predecessors, (10413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:47,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:47,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 340 [2024-10-24 15:29:47,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:50,157 INFO L124 PetriNetUnfolderBase]: 304/5683 cut-off events. [2024-10-24 15:29:50,157 INFO L125 PetriNetUnfolderBase]: For 3713/3714 co-relation queries the response was YES. [2024-10-24 15:29:50,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7895 conditions, 5683 events. 304/5683 cut-off events. For 3713/3714 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10709 event pairs, 0 based on Foata normal form. 34/5613 useless extension candidates. Maximal degree in co-relation 4927. Up to 370 conditions per place. [2024-10-24 15:29:50,171 INFO L140 encePairwiseOnDemand]: 329/340 looper letters, 73 selfloop transitions, 140 changer transitions 0/603 dead transitions. [2024-10-24 15:29:50,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 603 transitions, 3179 flow [2024-10-24 15:29:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-24 15:29:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2024-10-24 15:29:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 14566 transitions. [2024-10-24 15:29:50,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8743097238895559 [2024-10-24 15:29:50,179 INFO L175 Difference]: Start difference. First operand has 412 places, 501 transitions, 1992 flow. Second operand 49 states and 14566 transitions. [2024-10-24 15:29:50,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 603 transitions, 3179 flow [2024-10-24 15:29:50,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 603 transitions, 3164 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:50,195 INFO L231 Difference]: Finished difference. Result has 446 places, 553 transitions, 2811 flow [2024-10-24 15:29:50,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=1926, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=2811, PETRI_PLACES=446, PETRI_TRANSITIONS=553} [2024-10-24 15:29:50,196 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 128 predicate places. [2024-10-24 15:29:50,196 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 553 transitions, 2811 flow [2024-10-24 15:29:50,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 297.51428571428573) internal successors, (10413), 35 states have internal predecessors, (10413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:29:50,198 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:50,199 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, 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] [2024-10-24 15:29:50,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 15:29:50,399 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 [2024-10-24 15:29:50,400 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:29:50,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:50,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1862924334, now seen corresponding path program 1 times [2024-10-24 15:29:50,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:50,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750867788] [2024-10-24 15:29:50,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:50,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-10-24 15:29:58,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:58,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750867788] [2024-10-24 15:29:58,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750867788] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:58,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942591248] [2024-10-24 15:29:58,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:58,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:58,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:58,722 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) [2024-10-24 15:29:58,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 15:30:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:00,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 11407 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 15:30:00,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:30:01,743 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-10-24 15:30:01,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:30:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 39252 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9481 trivial. 0 not checked. [2024-10-24 15:30:03,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942591248] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:30:03,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:30:03,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-10-24 15:30:03,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151473286] [2024-10-24 15:30:03,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:30:03,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-24 15:30:03,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:03,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-24 15:30:03,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-10-24 15:30:03,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340 [2024-10-24 15:30:03,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 553 transitions, 2811 flow. Second operand has 63 states, 63 states have (on average 303.1111111111111) internal successors, (19096), 63 states have internal predecessors, (19096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:03,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:03,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340 [2024-10-24 15:30:03,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:11,437 INFO L124 PetriNetUnfolderBase]: 252/9447 cut-off events. [2024-10-24 15:30:11,438 INFO L125 PetriNetUnfolderBase]: For 13783/13838 co-relation queries the response was YES. [2024-10-24 15:30:11,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12474 conditions, 9447 events. 252/9447 cut-off events. For 13783/13838 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8691 event pairs, 0 based on Foata normal form. 45/9407 useless extension candidates. Maximal degree in co-relation 10142. Up to 346 conditions per place. [2024-10-24 15:30:11,462 INFO L140 encePairwiseOnDemand]: 334/340 looper letters, 94 selfloop transitions, 270 changer transitions 0/759 dead transitions. [2024-10-24 15:30:11,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 759 transitions, 5725 flow [2024-10-24 15:30:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-24 15:30:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-10-24 15:30:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 27239 transitions. [2024-10-24 15:30:11,486 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8901633986928105 [2024-10-24 15:30:11,486 INFO L175 Difference]: Start difference. First operand has 446 places, 553 transitions, 2811 flow. Second operand 90 states and 27239 transitions. [2024-10-24 15:30:11,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 759 transitions, 5725 flow [2024-10-24 15:30:11,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 759 transitions, 5609 flow, removed 0 selfloop flow, removed 21 redundant places. [2024-10-24 15:30:11,519 INFO L231 Difference]: Finished difference. Result has 530 places, 691 transitions, 4687 flow [2024-10-24 15:30:11,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=2695, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4687, PETRI_PLACES=530, PETRI_TRANSITIONS=691} [2024-10-24 15:30:11,520 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 212 predicate places. [2024-10-24 15:30:11,520 INFO L471 AbstractCegarLoop]: Abstraction has has 530 places, 691 transitions, 4687 flow [2024-10-24 15:30:11,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 303.1111111111111) internal successors, (19096), 63 states have internal predecessors, (19096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:30:11,524 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:11,526 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 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, 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] [2024-10-24 15:30:11,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 15:30:11,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:30:11,727 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-24 15:30:11,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:11,728 INFO L85 PathProgramCache]: Analyzing trace with hash -971044178, now seen corresponding path program 2 times [2024-10-24 15:30:11,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:11,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237143276] [2024-10-24 15:30:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:11,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 159462 backedges. 0 proven. 81091 refuted. 0 times theorem prover too weak. 78371 trivial. 0 not checked. [2024-10-24 15:30:23,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:23,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237143276] [2024-10-24 15:30:23,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237143276] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:30:23,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889335499] [2024-10-24 15:30:23,325 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:30:23,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:30:23,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:30:23,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 15:30:23,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process