./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_92-evilcollapse_racing.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_92-evilcollapse_racing.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 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:29:31,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:29:31,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:29:31,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:29:31,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:29:31,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:29:31,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:29:31,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:29:31,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:29:31,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:29:31,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:29:31,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:29:31,240 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:29:31,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:29:31,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:29:31,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:29:31,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:29:31,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:29:31,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:29:31,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:29:31,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:29:31,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:29:31,246 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:29:31,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:29:31,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:29:31,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:29:31,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:29:31,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:29:31,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:29:31,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:29:31,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:29:31,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:29:31,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:29:31,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:29:31,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:29:31,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:29:31,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:29:31,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:29:31,254 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:29:31,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:29:31,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:29:31,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 [2024-10-24 15:29:31,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:29:31,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:29:31,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:29:31,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:29:31,601 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:29:31,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-10-24 15:29:33,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:29:33,408 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:29:33,409 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-10-24 15:29:33,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8446682/23bfca30b78b479ba8bac56ce194eefa/FLAG298a43876 [2024-10-24 15:29:33,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8446682/23bfca30b78b479ba8bac56ce194eefa [2024-10-24 15:29:33,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:29:33,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:29:33,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:29:33,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:29:33,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:29:33,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2e4f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33, skipping insertion in model container [2024-10-24 15:29:33,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:29:34,297 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:34,298 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:34,299 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:34,300 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:34,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:29:34,376 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:29:34,414 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:34,415 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:34,416 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:34,416 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:34,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:29:34,519 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:29:34,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34 WrapperNode [2024-10-24 15:29:34,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:29:34,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:29:34,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:29:34,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:29:34,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,606 INFO L138 Inliner]: procedures = 279, calls = 56, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 378 [2024-10-24 15:29:34,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:29:34,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:29:34,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:29:34,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:29:34,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:29:34,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:29:34,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:29:34,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:29:34,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (1/1) ... [2024-10-24 15:29:34,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:29:34,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:34,737 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 15:29:34,743 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 15:29:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 15:29:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-24 15:29:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:29:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:29:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:29:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:29:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:29:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:29:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:29:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-24 15:29:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 15:29:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 15:29:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:29:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:29:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:29:34,801 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 15:29:34,996 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:29:34,999 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:29:35,798 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:29:35,799 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:29:35,846 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:29:35,847 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-24 15:29:35,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:29:35 BoogieIcfgContainer [2024-10-24 15:29:35,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:29:35,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:29:35,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:29:35,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:29:35,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:29:33" (1/3) ... [2024-10-24 15:29:35,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3b7e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:29:35, skipping insertion in model container [2024-10-24 15:29:35,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:34" (2/3) ... [2024-10-24 15:29:35,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3b7e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:29:35, skipping insertion in model container [2024-10-24 15:29:35,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:29:35" (3/3) ... [2024-10-24 15:29:35,858 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2024-10-24 15:29:35,877 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:29:35,877 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2024-10-24 15:29:35,877 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:29:35,988 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-24 15:29:36,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 399 places, 423 transitions, 853 flow [2024-10-24 15:29:36,189 INFO L124 PetriNetUnfolderBase]: 29/455 cut-off events. [2024-10-24 15:29:36,189 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:29:36,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 455 events. 29/455 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 943 event pairs, 0 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 270. Up to 4 conditions per place. [2024-10-24 15:29:36,202 INFO L82 GeneralOperation]: Start removeDead. Operand has 399 places, 423 transitions, 853 flow [2024-10-24 15:29:36,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 399 places, 423 transitions, 853 flow [2024-10-24 15:29:36,227 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:29:36,237 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;@6dd5d7ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:29:36,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-10-24 15:29:36,247 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:29:36,247 INFO L124 PetriNetUnfolderBase]: 1/43 cut-off events. [2024-10-24 15:29:36,247 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:29:36,247 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:36,249 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] [2024-10-24 15:29:36,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:36,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:36,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1133209304, now seen corresponding path program 1 times [2024-10-24 15:29:36,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:36,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100344161] [2024-10-24 15:29:36,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:36,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:37,079 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 15:29:37,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:37,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100344161] [2024-10-24 15:29:37,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100344161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:37,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:37,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:37,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885203399] [2024-10-24 15:29:37,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:37,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:37,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:37,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:37,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:37,745 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 423 [2024-10-24 15:29:37,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 423 transitions, 853 flow. Second operand has 6 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 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 15:29:37,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:37,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 423 [2024-10-24 15:29:37,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:38,218 INFO L124 PetriNetUnfolderBase]: 319/1615 cut-off events. [2024-10-24 15:29:38,219 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-10-24 15:29:38,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2321 conditions, 1615 events. 319/1615 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9553 event pairs, 288 based on Foata normal form. 184/1663 useless extension candidates. Maximal degree in co-relation 1972. Up to 690 conditions per place. [2024-10-24 15:29:38,233 INFO L140 encePairwiseOnDemand]: 390/423 looper letters, 96 selfloop transitions, 10 changer transitions 2/398 dead transitions. [2024-10-24 15:29:38,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 398 transitions, 1015 flow [2024-10-24 15:29:38,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:38,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-10-24 15:29:38,259 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7434988179669031 [2024-10-24 15:29:38,262 INFO L175 Difference]: Start difference. First operand has 399 places, 423 transitions, 853 flow. Second operand 6 states and 1887 transitions. [2024-10-24 15:29:38,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 398 transitions, 1015 flow [2024-10-24 15:29:38,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 398 transitions, 1015 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:29:38,279 INFO L231 Difference]: Finished difference. Result has 400 places, 396 transitions, 819 flow [2024-10-24 15:29:38,284 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=819, PETRI_PLACES=400, PETRI_TRANSITIONS=396} [2024-10-24 15:29:38,288 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, 1 predicate places. [2024-10-24 15:29:38,291 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 396 transitions, 819 flow [2024-10-24 15:29:38,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 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 15:29:38,293 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:38,293 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] [2024-10-24 15:29:38,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:29:38,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:38,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:38,294 INFO L85 PathProgramCache]: Analyzing trace with hash -131650274, now seen corresponding path program 1 times [2024-10-24 15:29:38,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:38,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711051484] [2024-10-24 15:29:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:38,716 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 15:29:38,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:38,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711051484] [2024-10-24 15:29:38,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711051484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:38,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:38,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:38,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686855] [2024-10-24 15:29:38,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:38,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:38,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:38,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:38,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:39,358 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 423 [2024-10-24 15:29:39,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 396 transitions, 819 flow. Second operand has 6 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 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 15:29:39,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:39,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 423 [2024-10-24 15:29:39,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:39,596 INFO L124 PetriNetUnfolderBase]: 319/1611 cut-off events. [2024-10-24 15:29:39,596 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-10-24 15:29:39,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2328 conditions, 1611 events. 319/1611 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9522 event pairs, 288 based on Foata normal form. 0/1479 useless extension candidates. Maximal degree in co-relation 2153. Up to 690 conditions per place. [2024-10-24 15:29:39,607 INFO L140 encePairwiseOnDemand]: 411/423 looper letters, 96 selfloop transitions, 10 changer transitions 0/394 dead transitions. [2024-10-24 15:29:39,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 394 transitions, 1027 flow [2024-10-24 15:29:39,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:39,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1866 transitions. [2024-10-24 15:29:39,612 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.735224586288416 [2024-10-24 15:29:39,613 INFO L175 Difference]: Start difference. First operand has 400 places, 396 transitions, 819 flow. Second operand 6 states and 1866 transitions. [2024-10-24 15:29:39,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 394 transitions, 1027 flow [2024-10-24 15:29:39,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 394 transitions, 1007 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:39,621 INFO L231 Difference]: Finished difference. Result has 396 places, 394 transitions, 815 flow [2024-10-24 15:29:39,622 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=815, PETRI_PLACES=396, PETRI_TRANSITIONS=394} [2024-10-24 15:29:39,623 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -3 predicate places. [2024-10-24 15:29:39,623 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 394 transitions, 815 flow [2024-10-24 15:29:39,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 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 15:29:39,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:39,625 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:39,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:29:39,626 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:39,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:39,626 INFO L85 PathProgramCache]: Analyzing trace with hash -861148191, now seen corresponding path program 1 times [2024-10-24 15:29:39,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:39,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072569848] [2024-10-24 15:29:39,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:39,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:39,683 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 15:29:39,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:39,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072569848] [2024-10-24 15:29:39,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072569848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:39,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:39,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:29:39,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848607363] [2024-10-24 15:29:39,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:39,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:29:39,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:39,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:29:39,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:29:39,710 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 423 [2024-10-24 15:29:39,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 394 transitions, 815 flow. Second operand has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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 15:29:39,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:39,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 423 [2024-10-24 15:29:39,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:39,795 INFO L124 PetriNetUnfolderBase]: 15/572 cut-off events. [2024-10-24 15:29:39,796 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-24 15:29:39,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 572 events. 15/572 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1431 event pairs, 8 based on Foata normal form. 1/529 useless extension candidates. Maximal degree in co-relation 409. Up to 34 conditions per place. [2024-10-24 15:29:39,799 INFO L140 encePairwiseOnDemand]: 420/423 looper letters, 15 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2024-10-24 15:29:39,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 395 transitions, 851 flow [2024-10-24 15:29:39,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:29:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:29:39,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1173 transitions. [2024-10-24 15:29:39,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9243498817966903 [2024-10-24 15:29:39,802 INFO L175 Difference]: Start difference. First operand has 396 places, 394 transitions, 815 flow. Second operand 3 states and 1173 transitions. [2024-10-24 15:29:39,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 395 transitions, 851 flow [2024-10-24 15:29:39,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 395 transitions, 831 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:39,813 INFO L231 Difference]: Finished difference. Result has 394 places, 395 transitions, 807 flow [2024-10-24 15:29:39,814 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=394, PETRI_TRANSITIONS=395} [2024-10-24 15:29:39,815 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -5 predicate places. [2024-10-24 15:29:39,816 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 395 transitions, 807 flow [2024-10-24 15:29:39,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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 15:29:39,817 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:39,818 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] [2024-10-24 15:29:39,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:29:39,819 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:39,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:39,819 INFO L85 PathProgramCache]: Analyzing trace with hash 2092060128, now seen corresponding path program 1 times [2024-10-24 15:29:39,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:39,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792537327] [2024-10-24 15:29:39,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:39,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:40,195 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 15:29:40,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:40,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792537327] [2024-10-24 15:29:40,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792537327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:40,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:40,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:40,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505212085] [2024-10-24 15:29:40,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:40,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:40,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:40,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:40,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:40,638 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 423 [2024-10-24 15:29:40,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 395 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 294.6666666666667) internal successors, (1768), 6 states have internal predecessors, (1768), 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 15:29:40,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:40,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 423 [2024-10-24 15:29:40,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:40,876 INFO L124 PetriNetUnfolderBase]: 320/1733 cut-off events. [2024-10-24 15:29:40,877 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-10-24 15:29:40,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2494 conditions, 1733 events. 320/1733 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9927 event pairs, 288 based on Foata normal form. 0/1597 useless extension candidates. Maximal degree in co-relation 2295. Up to 738 conditions per place. [2024-10-24 15:29:40,887 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 103 selfloop transitions, 5 changer transitions 0/394 dead transitions. [2024-10-24 15:29:40,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 394 transitions, 1021 flow [2024-10-24 15:29:40,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1861 transitions. [2024-10-24 15:29:40,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7332545311268716 [2024-10-24 15:29:40,893 INFO L175 Difference]: Start difference. First operand has 394 places, 395 transitions, 807 flow. Second operand 6 states and 1861 transitions. [2024-10-24 15:29:40,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 394 transitions, 1021 flow [2024-10-24 15:29:40,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 394 transitions, 1019 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:40,901 INFO L231 Difference]: Finished difference. Result has 397 places, 394 transitions, 813 flow [2024-10-24 15:29:40,902 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=813, PETRI_PLACES=397, PETRI_TRANSITIONS=394} [2024-10-24 15:29:40,903 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -2 predicate places. [2024-10-24 15:29:40,904 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 394 transitions, 813 flow [2024-10-24 15:29:40,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.6666666666667) internal successors, (1768), 6 states have internal predecessors, (1768), 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 15:29:40,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:40,905 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] [2024-10-24 15:29:40,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:29:40,905 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:40,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:40,906 INFO L85 PathProgramCache]: Analyzing trace with hash 762425590, now seen corresponding path program 1 times [2024-10-24 15:29:40,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:40,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350841411] [2024-10-24 15:29:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:40,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:40,978 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 15:29:40,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:40,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350841411] [2024-10-24 15:29:40,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350841411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:40,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:40,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:29:40,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165651557] [2024-10-24 15:29:40,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:40,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:29:40,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:40,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:29:40,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:29:40,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 423 [2024-10-24 15:29:40,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 394 transitions, 813 flow. Second operand has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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 15:29:40,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:40,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 423 [2024-10-24 15:29:40,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:41,105 INFO L124 PetriNetUnfolderBase]: 15/758 cut-off events. [2024-10-24 15:29:41,106 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-24 15:29:41,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 758 events. 15/758 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1638 event pairs, 8 based on Foata normal form. 2/710 useless extension candidates. Maximal degree in co-relation 604. Up to 38 conditions per place. [2024-10-24 15:29:41,109 INFO L140 encePairwiseOnDemand]: 420/423 looper letters, 15 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2024-10-24 15:29:41,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 395 transitions, 849 flow [2024-10-24 15:29:41,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:29:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:29:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1173 transitions. [2024-10-24 15:29:41,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9243498817966903 [2024-10-24 15:29:41,112 INFO L175 Difference]: Start difference. First operand has 397 places, 394 transitions, 813 flow. Second operand 3 states and 1173 transitions. [2024-10-24 15:29:41,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 395 transitions, 849 flow [2024-10-24 15:29:41,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 395 transitions, 839 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:41,119 INFO L231 Difference]: Finished difference. Result has 395 places, 395 transitions, 815 flow [2024-10-24 15:29:41,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=815, PETRI_PLACES=395, PETRI_TRANSITIONS=395} [2024-10-24 15:29:41,122 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -4 predicate places. [2024-10-24 15:29:41,122 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 395 transitions, 815 flow [2024-10-24 15:29:41,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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 15:29:41,124 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:41,124 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] [2024-10-24 15:29:41,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:29:41,124 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:41,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:41,125 INFO L85 PathProgramCache]: Analyzing trace with hash 591731304, now seen corresponding path program 1 times [2024-10-24 15:29:41,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:41,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140617457] [2024-10-24 15:29:41,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:41,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:41,560 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 15:29:41,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:41,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140617457] [2024-10-24 15:29:41,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140617457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:41,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:41,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488107691] [2024-10-24 15:29:41,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:41,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:41,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:41,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:41,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:42,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 423 [2024-10-24 15:29:42,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 395 transitions, 815 flow. Second operand has 6 states, 6 states have (on average 333.5) internal successors, (2001), 6 states have internal predecessors, (2001), 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 15:29:42,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:42,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 423 [2024-10-24 15:29:42,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:42,699 INFO L124 PetriNetUnfolderBase]: 83/1072 cut-off events. [2024-10-24 15:29:42,700 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2024-10-24 15:29:42,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 1072 events. 83/1072 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3553 event pairs, 64 based on Foata normal form. 0/985 useless extension candidates. Maximal degree in co-relation 963. Up to 315 conditions per place. [2024-10-24 15:29:42,705 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 66 selfloop transitions, 5 changer transitions 0/394 dead transitions. [2024-10-24 15:29:42,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 394 transitions, 955 flow [2024-10-24 15:29:42,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:42,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2046 transitions. [2024-10-24 15:29:42,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.806146572104019 [2024-10-24 15:29:42,737 INFO L175 Difference]: Start difference. First operand has 395 places, 395 transitions, 815 flow. Second operand 6 states and 2046 transitions. [2024-10-24 15:29:42,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 394 transitions, 955 flow [2024-10-24 15:29:42,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 394 transitions, 953 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:42,744 INFO L231 Difference]: Finished difference. Result has 398 places, 394 transitions, 821 flow [2024-10-24 15:29:42,745 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=821, PETRI_PLACES=398, PETRI_TRANSITIONS=394} [2024-10-24 15:29:42,746 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -1 predicate places. [2024-10-24 15:29:42,746 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 394 transitions, 821 flow [2024-10-24 15:29:42,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.5) internal successors, (2001), 6 states have internal predecessors, (2001), 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 15:29:42,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:42,748 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] [2024-10-24 15:29:42,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:29:42,748 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:42,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:42,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1241387691, now seen corresponding path program 1 times [2024-10-24 15:29:42,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:42,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52839230] [2024-10-24 15:29:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:42,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:43,276 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 15:29:43,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:43,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52839230] [2024-10-24 15:29:43,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52839230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:43,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:43,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:43,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115807880] [2024-10-24 15:29:43,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:43,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:43,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:43,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:43,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:43,683 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 423 [2024-10-24 15:29:43,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 394 transitions, 821 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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 15:29:43,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:43,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 423 [2024-10-24 15:29:43,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:44,092 INFO L124 PetriNetUnfolderBase]: 320/1913 cut-off events. [2024-10-24 15:29:44,093 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-24 15:29:44,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1913 events. 320/1913 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10547 event pairs, 288 based on Foata normal form. 0/1777 useless extension candidates. Maximal degree in co-relation 2338. Up to 804 conditions per place. [2024-10-24 15:29:44,103 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 103 selfloop transitions, 5 changer transitions 0/393 dead transitions. [2024-10-24 15:29:44,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 393 transitions, 1035 flow [2024-10-24 15:29:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1861 transitions. [2024-10-24 15:29:44,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7332545311268716 [2024-10-24 15:29:44,109 INFO L175 Difference]: Start difference. First operand has 398 places, 394 transitions, 821 flow. Second operand 6 states and 1861 transitions. [2024-10-24 15:29:44,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 393 transitions, 1035 flow [2024-10-24 15:29:44,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 393 transitions, 1025 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:44,117 INFO L231 Difference]: Finished difference. Result has 397 places, 393 transitions, 819 flow [2024-10-24 15:29:44,117 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=819, PETRI_PLACES=397, PETRI_TRANSITIONS=393} [2024-10-24 15:29:44,118 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -2 predicate places. [2024-10-24 15:29:44,118 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 393 transitions, 819 flow [2024-10-24 15:29:44,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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 15:29:44,120 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:44,120 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] [2024-10-24 15:29:44,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:29:44,120 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:44,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:44,121 INFO L85 PathProgramCache]: Analyzing trace with hash -813380364, now seen corresponding path program 1 times [2024-10-24 15:29:44,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:44,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921460907] [2024-10-24 15:29:44,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:44,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:44,640 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 15:29:44,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:44,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921460907] [2024-10-24 15:29:44,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921460907] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:44,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:44,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:44,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814611434] [2024-10-24 15:29:44,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:44,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:44,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:44,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:44,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:45,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 423 [2024-10-24 15:29:45,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 393 transitions, 819 flow. Second operand has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 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 15:29:45,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:45,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 423 [2024-10-24 15:29:45,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:45,397 INFO L124 PetriNetUnfolderBase]: 320/1909 cut-off events. [2024-10-24 15:29:45,397 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-24 15:29:45,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2758 conditions, 1909 events. 320/1909 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10557 event pairs, 288 based on Foata normal form. 0/1777 useless extension candidates. Maximal degree in co-relation 2354. Up to 788 conditions per place. [2024-10-24 15:29:45,404 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 99 selfloop transitions, 5 changer transitions 0/392 dead transitions. [2024-10-24 15:29:45,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 392 transitions, 1025 flow [2024-10-24 15:29:45,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1881 transitions. [2024-10-24 15:29:45,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7411347517730497 [2024-10-24 15:29:45,411 INFO L175 Difference]: Start difference. First operand has 397 places, 393 transitions, 819 flow. Second operand 6 states and 1881 transitions. [2024-10-24 15:29:45,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 392 transitions, 1025 flow [2024-10-24 15:29:45,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 392 transitions, 1015 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:45,419 INFO L231 Difference]: Finished difference. Result has 396 places, 392 transitions, 817 flow [2024-10-24 15:29:45,421 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=817, PETRI_PLACES=396, PETRI_TRANSITIONS=392} [2024-10-24 15:29:45,421 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -3 predicate places. [2024-10-24 15:29:45,422 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 392 transitions, 817 flow [2024-10-24 15:29:45,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 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 15:29:45,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:45,424 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] [2024-10-24 15:29:45,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:29:45,426 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:45,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:45,427 INFO L85 PathProgramCache]: Analyzing trace with hash 747071657, now seen corresponding path program 1 times [2024-10-24 15:29:45,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:45,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111347684] [2024-10-24 15:29:45,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:45,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:45,897 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 15:29:45,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:45,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111347684] [2024-10-24 15:29:45,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111347684] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:45,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:45,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:45,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807824459] [2024-10-24 15:29:45,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:45,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:45,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:45,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:45,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:46,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 423 [2024-10-24 15:29:46,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 392 transitions, 817 flow. Second operand has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 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 15:29:46,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:46,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 423 [2024-10-24 15:29:46,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:46,797 INFO L124 PetriNetUnfolderBase]: 320/1905 cut-off events. [2024-10-24 15:29:46,797 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-10-24 15:29:46,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2754 conditions, 1905 events. 320/1905 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10539 event pairs, 288 based on Foata normal form. 0/1777 useless extension candidates. Maximal degree in co-relation 2369. Up to 788 conditions per place. [2024-10-24 15:29:46,806 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 99 selfloop transitions, 5 changer transitions 0/391 dead transitions. [2024-10-24 15:29:46,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 391 transitions, 1023 flow [2024-10-24 15:29:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1881 transitions. [2024-10-24 15:29:46,810 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7411347517730497 [2024-10-24 15:29:46,811 INFO L175 Difference]: Start difference. First operand has 396 places, 392 transitions, 817 flow. Second operand 6 states and 1881 transitions. [2024-10-24 15:29:46,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 391 transitions, 1023 flow [2024-10-24 15:29:46,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 391 transitions, 1013 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:46,817 INFO L231 Difference]: Finished difference. Result has 395 places, 391 transitions, 815 flow [2024-10-24 15:29:46,818 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=815, PETRI_PLACES=395, PETRI_TRANSITIONS=391} [2024-10-24 15:29:46,819 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -4 predicate places. [2024-10-24 15:29:46,819 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 391 transitions, 815 flow [2024-10-24 15:29:46,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 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 15:29:46,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:46,821 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:46,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:29:46,821 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:46,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:46,822 INFO L85 PathProgramCache]: Analyzing trace with hash 968324889, now seen corresponding path program 1 times [2024-10-24 15:29:46,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:46,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006367991] [2024-10-24 15:29:46,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:46,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:47,285 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 15:29:47,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:47,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006367991] [2024-10-24 15:29:47,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006367991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:47,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:47,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:47,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286596836] [2024-10-24 15:29:47,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:47,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:47,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:47,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:47,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:47,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 423 [2024-10-24 15:29:47,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 391 transitions, 815 flow. Second operand has 6 states, 6 states have (on average 298.5) internal successors, (1791), 6 states have internal predecessors, (1791), 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 15:29:47,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:47,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 423 [2024-10-24 15:29:47,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:48,002 INFO L124 PetriNetUnfolderBase]: 320/1901 cut-off events. [2024-10-24 15:29:48,002 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-24 15:29:48,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2770 conditions, 1901 events. 320/1901 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10502 event pairs, 288 based on Foata normal form. 0/1777 useless extension candidates. Maximal degree in co-relation 2382. Up to 808 conditions per place. [2024-10-24 15:29:48,010 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 104 selfloop transitions, 5 changer transitions 0/390 dead transitions. [2024-10-24 15:29:48,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 390 transitions, 1031 flow [2024-10-24 15:29:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1856 transitions. [2024-10-24 15:29:48,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.731284475965327 [2024-10-24 15:29:48,014 INFO L175 Difference]: Start difference. First operand has 395 places, 391 transitions, 815 flow. Second operand 6 states and 1856 transitions. [2024-10-24 15:29:48,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 390 transitions, 1031 flow [2024-10-24 15:29:48,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 390 transitions, 1021 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:48,020 INFO L231 Difference]: Finished difference. Result has 394 places, 390 transitions, 813 flow [2024-10-24 15:29:48,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=813, PETRI_PLACES=394, PETRI_TRANSITIONS=390} [2024-10-24 15:29:48,021 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, -5 predicate places. [2024-10-24 15:29:48,021 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 390 transitions, 813 flow [2024-10-24 15:29:48,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 298.5) internal successors, (1791), 6 states have internal predecessors, (1791), 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 15:29:48,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:48,022 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:48,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:29:48,023 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:48,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:48,023 INFO L85 PathProgramCache]: Analyzing trace with hash -968958471, now seen corresponding path program 1 times [2024-10-24 15:29:48,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:48,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769676340] [2024-10-24 15:29:48,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:48,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:48,206 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 15:29:48,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:48,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769676340] [2024-10-24 15:29:48,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769676340] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:48,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332744651] [2024-10-24 15:29:48,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:48,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:48,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:48,210 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 15:29:48,211 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 15:29:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:48,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 15:29:48,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:48,616 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 15:29:48,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:29:48,761 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 15:29:48,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332744651] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:29:48,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:29:48,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-24 15:29:48,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301052119] [2024-10-24 15:29:48,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:29:48,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 15:29:48,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:48,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 15:29:48,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 15:29:48,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 423 [2024-10-24 15:29:48,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 390 transitions, 813 flow. Second operand has 10 states, 10 states have (on average 383.8) internal successors, (3838), 10 states have internal predecessors, (3838), 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 15:29:48,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:48,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 423 [2024-10-24 15:29:48,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:49,016 INFO L124 PetriNetUnfolderBase]: 15/922 cut-off events. [2024-10-24 15:29:49,016 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-24 15:29:49,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 922 events. 15/922 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1192 event pairs, 8 based on Foata normal form. 4/896 useless extension candidates. Maximal degree in co-relation 810. Up to 38 conditions per place. [2024-10-24 15:29:49,020 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 19 selfloop transitions, 9 changer transitions 0/398 dead transitions. [2024-10-24 15:29:49,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 398 transitions, 887 flow [2024-10-24 15:29:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 15:29:49,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 15:29:49,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3468 transitions. [2024-10-24 15:29:49,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9109535066981875 [2024-10-24 15:29:49,026 INFO L175 Difference]: Start difference. First operand has 394 places, 390 transitions, 813 flow. Second operand 9 states and 3468 transitions. [2024-10-24 15:29:49,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 398 transitions, 887 flow [2024-10-24 15:29:49,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 398 transitions, 877 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:49,034 INFO L231 Difference]: Finished difference. Result has 400 places, 396 transitions, 853 flow [2024-10-24 15:29:49,035 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=853, PETRI_PLACES=400, PETRI_TRANSITIONS=396} [2024-10-24 15:29:49,035 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, 1 predicate places. [2024-10-24 15:29:49,036 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 396 transitions, 853 flow [2024-10-24 15:29:49,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 383.8) internal successors, (3838), 10 states have internal predecessors, (3838), 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 15:29:49,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:49,038 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:49,058 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 15:29:49,239 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 15:29:49,239 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:49,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash -534055233, now seen corresponding path program 2 times [2024-10-24 15:29:49,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:49,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017781616] [2024-10-24 15:29:49,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:49,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:49,720 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 15:29:49,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:49,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017781616] [2024-10-24 15:29:49,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017781616] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:49,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840255864] [2024-10-24 15:29:49,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:29:49,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:49,724 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 15:29:49,729 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 15:29:49,978 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:29:49,979 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:29:49,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 15:29:49,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:50,054 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 16 treesize of output 12 [2024-10-24 15:29:50,073 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 29 treesize of output 28 [2024-10-24 15:29:50,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:50,106 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 41 treesize of output 43 [2024-10-24 15:29:50,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:50,151 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 53 treesize of output 58 [2024-10-24 15:29:50,186 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 15:29:50,186 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:29:50,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840255864] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:50,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:29:50,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-24 15:29:50,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571359062] [2024-10-24 15:29:50,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:50,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:50,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:50,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:50,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-24 15:29:50,926 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 423 [2024-10-24 15:29:50,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 396 transitions, 853 flow. Second operand has 6 states, 6 states have (on average 327.3333333333333) internal successors, (1964), 6 states have internal predecessors, (1964), 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 15:29:50,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:50,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 423 [2024-10-24 15:29:50,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:51,238 INFO L124 PetriNetUnfolderBase]: 83/1238 cut-off events. [2024-10-24 15:29:51,238 INFO L125 PetriNetUnfolderBase]: For 18/22 co-relation queries the response was YES. [2024-10-24 15:29:51,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1674 conditions, 1238 events. 83/1238 cut-off events. For 18/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3082 event pairs, 64 based on Foata normal form. 0/1165 useless extension candidates. Maximal degree in co-relation 1092. Up to 362 conditions per place. [2024-10-24 15:29:51,244 INFO L140 encePairwiseOnDemand]: 411/423 looper letters, 69 selfloop transitions, 10 changer transitions 0/394 dead transitions. [2024-10-24 15:29:51,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 394 transitions, 1007 flow [2024-10-24 15:29:51,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2001 transitions. [2024-10-24 15:29:51,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7884160756501182 [2024-10-24 15:29:51,249 INFO L175 Difference]: Start difference. First operand has 400 places, 396 transitions, 853 flow. Second operand 6 states and 2001 transitions. [2024-10-24 15:29:51,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 394 transitions, 1007 flow [2024-10-24 15:29:51,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 394 transitions, 1001 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:51,257 INFO L231 Difference]: Finished difference. Result has 402 places, 394 transitions, 863 flow [2024-10-24 15:29:51,257 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=863, PETRI_PLACES=402, PETRI_TRANSITIONS=394} [2024-10-24 15:29:51,258 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, 3 predicate places. [2024-10-24 15:29:51,258 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 394 transitions, 863 flow [2024-10-24 15:29:51,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 327.3333333333333) internal successors, (1964), 6 states have internal predecessors, (1964), 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 15:29:51,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:51,260 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:51,278 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 15:29:51,464 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 15:29:51,465 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:51,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:51,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1457215463, now seen corresponding path program 1 times [2024-10-24 15:29:51,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:51,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66914297] [2024-10-24 15:29:51,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:51,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:51,906 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 15:29:51,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:51,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66914297] [2024-10-24 15:29:51,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66914297] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:51,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473421844] [2024-10-24 15:29:51,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:51,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:51,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:51,909 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 15:29:51,910 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 15:29:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:52,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 15:29:52,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:52,719 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:52,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:29:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:53,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473421844] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:29:53,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:29:53,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-10-24 15:29:53,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132647895] [2024-10-24 15:29:53,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:29:53,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 15:29:53,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:53,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 15:29:53,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-10-24 15:29:53,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 423 [2024-10-24 15:29:53,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 394 transitions, 863 flow. Second operand has 19 states, 19 states have (on average 378.5263157894737) internal successors, (7192), 19 states have internal predecessors, (7192), 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 15:29:53,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:53,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 423 [2024-10-24 15:29:53,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:54,778 INFO L124 PetriNetUnfolderBase]: 16/2300 cut-off events. [2024-10-24 15:29:54,778 INFO L125 PetriNetUnfolderBase]: For 81/82 co-relation queries the response was YES. [2024-10-24 15:29:54,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2601 conditions, 2300 events. 16/2300 cut-off events. For 81/82 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1188 event pairs, 8 based on Foata normal form. 13/2285 useless extension candidates. Maximal degree in co-relation 2372. Up to 40 conditions per place. [2024-10-24 15:29:54,783 INFO L140 encePairwiseOnDemand]: 412/423 looper letters, 51 selfloop transitions, 68 changer transitions 0/480 dead transitions. [2024-10-24 15:29:54,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 480 transitions, 1511 flow [2024-10-24 15:29:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-24 15:29:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-10-24 15:29:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 23820 transitions. [2024-10-24 15:29:54,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8938421704379151 [2024-10-24 15:29:54,820 INFO L175 Difference]: Start difference. First operand has 402 places, 394 transitions, 863 flow. Second operand 63 states and 23820 transitions. [2024-10-24 15:29:54,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 480 transitions, 1511 flow [2024-10-24 15:29:54,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 480 transitions, 1491 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:54,830 INFO L231 Difference]: Finished difference. Result has 475 places, 456 transitions, 1363 flow [2024-10-24 15:29:54,831 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1363, PETRI_PLACES=475, PETRI_TRANSITIONS=456} [2024-10-24 15:29:54,832 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, 76 predicate places. [2024-10-24 15:29:54,832 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 456 transitions, 1363 flow [2024-10-24 15:29:54,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 378.5263157894737) internal successors, (7192), 19 states have internal predecessors, (7192), 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 15:29:54,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:54,836 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:54,858 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 15:29:55,036 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 15:29:55,037 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:29:55,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:55,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1406395845, now seen corresponding path program 2 times [2024-10-24 15:29:55,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:55,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260762463] [2024-10-24 15:29:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-24 15:29:58,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:58,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260762463] [2024-10-24 15:29:58,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260762463] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:58,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967498649] [2024-10-24 15:29:58,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:29:58,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:58,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:58,344 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 15:29:58,345 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 15:29:59,155 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:29:59,156 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:29:59,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 15:29:59,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:59,214 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 15:29:59,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-10-24 15:29:59,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:59,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-10-24 15:29:59,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:59,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-10-24 15:29:59,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-10-24 15:29:59,325 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:29:59,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967498649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:59,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:29:59,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-24 15:29:59,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682547497] [2024-10-24 15:29:59,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:59,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:59,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:59,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:59,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-24 15:29:59,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 423 [2024-10-24 15:29:59,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 456 transitions, 1363 flow. Second operand has 6 states, 6 states have (on average 336.3333333333333) internal successors, (2018), 6 states have internal predecessors, (2018), 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 15:29:59,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:59,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 423 [2024-10-24 15:29:59,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:01,080 INFO L124 PetriNetUnfolderBase]: 103/2704 cut-off events. [2024-10-24 15:30:01,080 INFO L125 PetriNetUnfolderBase]: For 441/446 co-relation queries the response was YES. [2024-10-24 15:30:01,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3874 conditions, 2704 events. 103/2704 cut-off events. For 441/446 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4031 event pairs, 80 based on Foata normal form. 0/2622 useless extension candidates. Maximal degree in co-relation 3054. Up to 823 conditions per place. [2024-10-24 15:30:01,094 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 66 selfloop transitions, 5 changer transitions 0/455 dead transitions. [2024-10-24 15:30:01,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 455 transitions, 1503 flow [2024-10-24 15:30:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:30:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:30:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2046 transitions. [2024-10-24 15:30:01,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.806146572104019 [2024-10-24 15:30:01,097 INFO L175 Difference]: Start difference. First operand has 475 places, 456 transitions, 1363 flow. Second operand 6 states and 2046 transitions. [2024-10-24 15:30:01,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 455 transitions, 1503 flow [2024-10-24 15:30:01,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 455 transitions, 1427 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-10-24 15:30:01,109 INFO L231 Difference]: Finished difference. Result has 472 places, 455 transitions, 1295 flow [2024-10-24 15:30:01,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=1285, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1295, PETRI_PLACES=472, PETRI_TRANSITIONS=455} [2024-10-24 15:30:01,111 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, 73 predicate places. [2024-10-24 15:30:01,111 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 455 transitions, 1295 flow [2024-10-24 15:30:01,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 336.3333333333333) internal successors, (2018), 6 states have internal predecessors, (2018), 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 15:30:01,112 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:01,113 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:01,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 15:30:01,313 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 15:30:01,314 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:30:01,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:01,315 INFO L85 PathProgramCache]: Analyzing trace with hash -302640020, now seen corresponding path program 1 times [2024-10-24 15:30:01,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:01,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367762669] [2024-10-24 15:30:01,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:01,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-24 15:30:04,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:04,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367762669] [2024-10-24 15:30:04,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367762669] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:30:04,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127500204] [2024-10-24 15:30:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:04,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:30:04,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:30:04,442 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 15:30:04,443 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 15:30:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:05,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 5607 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 15:30:05,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:30:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-24 15:30:06,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:30:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-24 15:30:07,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127500204] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:30:07,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:30:07,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-10-24 15:30:07,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290428815] [2024-10-24 15:30:07,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:30:07,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-24 15:30:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:07,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-24 15:30:07,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 15:30:07,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 423 [2024-10-24 15:30:07,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 455 transitions, 1295 flow. Second operand has 34 states, 34 states have (on average 384.11764705882354) internal successors, (13060), 34 states have internal predecessors, (13060), 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 15:30:07,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:07,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 423 [2024-10-24 15:30:07,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:10,000 INFO L124 PetriNetUnfolderBase]: 16/4459 cut-off events. [2024-10-24 15:30:10,001 INFO L125 PetriNetUnfolderBase]: For 3212/3213 co-relation queries the response was YES. [2024-10-24 15:30:10,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5255 conditions, 4459 events. 16/4459 cut-off events. For 3212/3213 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1186 event pairs, 8 based on Foata normal form. 24/4456 useless extension candidates. Maximal degree in co-relation 5010. Up to 78 conditions per place. [2024-10-24 15:30:10,011 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 51 selfloop transitions, 135 changer transitions 0/556 dead transitions. [2024-10-24 15:30:10,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 556 transitions, 2431 flow [2024-10-24 15:30:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-24 15:30:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-10-24 15:30:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 17274 transitions. [2024-10-24 15:30:10,025 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9074862096138692 [2024-10-24 15:30:10,025 INFO L175 Difference]: Start difference. First operand has 472 places, 455 transitions, 1295 flow. Second operand 45 states and 17274 transitions. [2024-10-24 15:30:10,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 556 transitions, 2431 flow [2024-10-24 15:30:10,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 556 transitions, 2421 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:30:10,040 INFO L231 Difference]: Finished difference. Result has 520 places, 530 transitions, 2159 flow [2024-10-24 15:30:10,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=1285, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2159, PETRI_PLACES=520, PETRI_TRANSITIONS=530} [2024-10-24 15:30:10,041 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, 121 predicate places. [2024-10-24 15:30:10,041 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 530 transitions, 2159 flow [2024-10-24 15:30:10,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 384.11764705882354) internal successors, (13060), 34 states have internal predecessors, (13060), 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 15:30:10,046 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:10,047 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:10,081 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 15:30:10,247 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 15:30:10,248 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:30:10,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:10,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1281212780, now seen corresponding path program 2 times [2024-10-24 15:30:10,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:10,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577215197] [2024-10-24 15:30:10,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:10,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-10-24 15:30:20,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:20,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577215197] [2024-10-24 15:30:20,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577215197] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:30:20,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150200569] [2024-10-24 15:30:20,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:30:20,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:30:20,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:30:20,102 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 15:30:20,103 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 15:30:21,548 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:30:21,548 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:30:21,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 15:30:21,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:30:21,710 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 15:30:21,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-10-24 15:30:21,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:30:21,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-10-24 15:30:21,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:30:21,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-10-24 15:30:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-10-24 15:30:21,863 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:30:21,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150200569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:21,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:30:21,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-10-24 15:30:21,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291789776] [2024-10-24 15:30:21,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:21,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:30:21,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:21,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:30:21,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-10-24 15:30:22,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 423 [2024-10-24 15:30:22,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 530 transitions, 2159 flow. Second operand has 6 states, 6 states have (on average 301.1666666666667) internal successors, (1807), 6 states have internal predecessors, (1807), 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 15:30:22,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:22,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 423 [2024-10-24 15:30:22,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:25,311 INFO L124 PetriNetUnfolderBase]: 360/5770 cut-off events. [2024-10-24 15:30:25,311 INFO L125 PetriNetUnfolderBase]: For 1234/1243 co-relation queries the response was YES. [2024-10-24 15:30:25,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8768 conditions, 5770 events. 360/5770 cut-off events. For 1234/1243 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 12005 event pairs, 324 based on Foata normal form. 0/5638 useless extension candidates. Maximal degree in co-relation 6524. Up to 2196 conditions per place. [2024-10-24 15:30:25,326 INFO L140 encePairwiseOnDemand]: 417/423 looper letters, 104 selfloop transitions, 5 changer transitions 0/529 dead transitions. [2024-10-24 15:30:25,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 529 transitions, 2375 flow [2024-10-24 15:30:25,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:30:25,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:30:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1856 transitions. [2024-10-24 15:30:25,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.731284475965327 [2024-10-24 15:30:25,328 INFO L175 Difference]: Start difference. First operand has 520 places, 530 transitions, 2159 flow. Second operand 6 states and 1856 transitions. [2024-10-24 15:30:25,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 529 transitions, 2375 flow [2024-10-24 15:30:25,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 529 transitions, 2267 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-10-24 15:30:25,348 INFO L231 Difference]: Finished difference. Result has 506 places, 529 transitions, 2059 flow [2024-10-24 15:30:25,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2049, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2059, PETRI_PLACES=506, PETRI_TRANSITIONS=529} [2024-10-24 15:30:25,349 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, 107 predicate places. [2024-10-24 15:30:25,349 INFO L471 AbstractCegarLoop]: Abstraction has has 506 places, 529 transitions, 2059 flow [2024-10-24 15:30:25,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.1666666666667) internal successors, (1807), 6 states have internal predecessors, (1807), 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 15:30:25,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:25,351 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:25,373 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 15:30:25,552 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 15:30:25,553 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:30:25,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:25,553 INFO L85 PathProgramCache]: Analyzing trace with hash -126437029, now seen corresponding path program 1 times [2024-10-24 15:30:25,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:25,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998887587] [2024-10-24 15:30:25,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:25,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-10-24 15:30:28,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:28,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998887587] [2024-10-24 15:30:28,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998887587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:28,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:28,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:30:28,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949720917] [2024-10-24 15:30:28,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:28,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:28,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:28,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:28,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:28,652 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 423 [2024-10-24 15:30:28,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 529 transitions, 2059 flow. Second operand has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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 15:30:28,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:28,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 423 [2024-10-24 15:30:28,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:30,883 INFO L124 PetriNetUnfolderBase]: 39/4727 cut-off events. [2024-10-24 15:30:30,883 INFO L125 PetriNetUnfolderBase]: For 1199/1203 co-relation queries the response was YES. [2024-10-24 15:30:30,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5557 conditions, 4727 events. 39/4727 cut-off events. For 1199/1203 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3152 event pairs, 0 based on Foata normal form. 2/4667 useless extension candidates. Maximal degree in co-relation 4963. Up to 78 conditions per place. [2024-10-24 15:30:30,893 INFO L140 encePairwiseOnDemand]: 420/423 looper letters, 22 selfloop transitions, 2 changer transitions 0/537 dead transitions. [2024-10-24 15:30:30,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 537 transitions, 2123 flow [2024-10-24 15:30:30,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1180 transitions. [2024-10-24 15:30:30,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.929866036249015 [2024-10-24 15:30:30,896 INFO L175 Difference]: Start difference. First operand has 506 places, 529 transitions, 2059 flow. Second operand 3 states and 1180 transitions. [2024-10-24 15:30:30,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 537 transitions, 2123 flow [2024-10-24 15:30:30,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 537 transitions, 2113 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:30:30,913 INFO L231 Difference]: Finished difference. Result has 504 places, 529 transitions, 2057 flow [2024-10-24 15:30:30,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2049, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2057, PETRI_PLACES=504, PETRI_TRANSITIONS=529} [2024-10-24 15:30:30,914 INFO L277 CegarLoopForPetriNet]: 399 programPoint places, 105 predicate places. [2024-10-24 15:30:30,914 INFO L471 AbstractCegarLoop]: Abstraction has has 504 places, 529 transitions, 2057 flow [2024-10-24 15:30:30,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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 15:30:30,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:30,916 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:30,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:30:30,916 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-10-24 15:30:30,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:30,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1852046332, now seen corresponding path program 1 times [2024-10-24 15:30:30,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:30,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270058676] [2024-10-24 15:30:30,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-10-24 15:30:39,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:39,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270058676] [2024-10-24 15:30:39,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270058676] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:30:39,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282052654] [2024-10-24 15:30:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:39,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:30:39,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:30:39,267 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 15:30:39,269 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 15:30:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:42,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 11553 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 15:30:42,253 INFO L278 TraceCheckSpWp]: Computing forward predicates...