./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 471ad46a1662a2ee36763023473e29e175f1086d40bbf36d792af661871bf09e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:11:16,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:11:16,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:11:16,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:11:16,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:11:16,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:11:16,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:11:16,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:11:16,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:11:16,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:11:16,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:11:16,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:11:16,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:11:16,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:11:16,551 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:11:16,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:11:16,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:11:16,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:16,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:11:16,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:11:16,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:11:16,551 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:11:16,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:11:16,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> 471ad46a1662a2ee36763023473e29e175f1086d40bbf36d792af661871bf09e [2024-12-06 05:11:16,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:11:16,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:11:16,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:11:16,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:11:16,766 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:11:16,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2024-12-06 05:11:19,386 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/data/75c10507e/29c3c6229fff4762825d0445e55c67e1/FLAG26b51a377 [2024-12-06 05:11:19,438 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMRebuildTask.run(PDOMRebuildTask.java:94) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:11:19,653 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:11:19,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2024-12-06 05:11:19,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/data/75c10507e/29c3c6229fff4762825d0445e55c67e1/FLAG26b51a377 [2024-12-06 05:11:19,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/data/75c10507e/29c3c6229fff4762825d0445e55c67e1 [2024-12-06 05:11:19,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:11:19,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:11:19,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:19,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:11:19,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:11:19,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:19" (1/1) ... [2024-12-06 05:11:19,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9325b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:19, skipping insertion in model container [2024-12-06 05:11:19,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:19" (1/1) ... [2024-12-06 05:11:20,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:11:20,144 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c[1605,1618] [2024-12-06 05:11:20,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:20,277 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:11:20,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-12-06 05:11:20,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2024-12-06 05:11:20,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2024-12-06 05:11:20,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [335] [2024-12-06 05:11:20,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [373] [2024-12-06 05:11:20,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [471] [2024-12-06 05:11:20,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [510] [2024-12-06 05:11:20,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [605] [2024-12-06 05:11:20,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c[1605,1618] [2024-12-06 05:11:20,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:20,361 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:11:20,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20 WrapperNode [2024-12-06 05:11:20,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:20,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:20,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:11:20,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:11:20,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,395 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 198 [2024-12-06 05:11:20,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:20,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:11:20,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:11:20,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:11:20,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,409 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:11:20,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:11:20,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:11:20,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:11:20,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:20,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:11:20,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:11:20,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:11:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:11:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-06 05:11:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-06 05:11:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-12-06 05:11:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-12-06 05:11:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-06 05:11:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-06 05:11:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-06 05:11:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-06 05:11:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-06 05:11:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-06 05:11:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:11:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-06 05:11:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-06 05:11:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:11:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:11:20,525 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:11:20,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:11:20,715 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-12-06 05:11:20,716 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:11:20,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:11:20,806 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:11:20,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:20 BoogieIcfgContainer [2024-12-06 05:11:20,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:11:20,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:11:20,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:11:20,816 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:11:20,816 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:20" (1/1) ... [2024-12-06 05:11:20,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:11:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2024-12-06 05:11:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2024-12-06 05:11:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:11:20,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:20,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2024-12-06 05:11:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2024-12-06 05:11:21,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:11:21,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:21,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:21,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 95 transitions. [2024-12-06 05:11:21,323 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2024-12-06 05:11:21,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:11:21,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:21,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2024-12-06 05:11:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2024-12-06 05:11:21,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:11:21,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:21,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 97 transitions. [2024-12-06 05:11:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2024-12-06 05:11:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:11:21,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:21,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:21,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2024-12-06 05:11:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2024-12-06 05:11:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 05:11:21,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 82 states and 131 transitions. [2024-12-06 05:11:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2024-12-06 05:11:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:11:22,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:22,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:11:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 160 transitions. [2024-12-06 05:11:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2024-12-06 05:11:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:11:23,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:23,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:23,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 93 states and 161 transitions. [2024-12-06 05:11:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 161 transitions. [2024-12-06 05:11:23,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 05:11:23,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:23,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:11:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 98 states and 169 transitions. [2024-12-06 05:11:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 169 transitions. [2024-12-06 05:11:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:11:23,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:23,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:11:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 99 states and 170 transitions. [2024-12-06 05:11:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 170 transitions. [2024-12-06 05:11:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:11:23,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:23,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 05:11:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 105 states and 184 transitions. [2024-12-06 05:11:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2024-12-06 05:11:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:11:23,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:23,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 05:11:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 108 states and 189 transitions. [2024-12-06 05:11:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 189 transitions. [2024-12-06 05:11:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 05:11:23,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:23,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 05:11:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 110 states and 192 transitions. [2024-12-06 05:11:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2024-12-06 05:11:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 05:11:24,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:24,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:11:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 112 states and 199 transitions. [2024-12-06 05:11:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 199 transitions. [2024-12-06 05:11:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 05:11:24,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:24,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:11:26,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:26,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 127 states and 243 transitions. [2024-12-06 05:11:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2024-12-06 05:11:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 05:11:26,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:26,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:11:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 131 states and 254 transitions. [2024-12-06 05:11:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 254 transitions. [2024-12-06 05:11:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 05:11:27,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:11:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:27,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 133 states and 257 transitions. [2024-12-06 05:11:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 257 transitions. [2024-12-06 05:11:27,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 05:11:27,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 05:11:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 137 states and 257 transitions. [2024-12-06 05:11:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 257 transitions. [2024-12-06 05:11:27,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:11:27,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:27,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:11:29,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 154 states and 286 transitions. [2024-12-06 05:11:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 286 transitions. [2024-12-06 05:11:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:11:29,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:29,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:11:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:30,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 156 states and 291 transitions. [2024-12-06 05:11:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 291 transitions. [2024-12-06 05:11:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:11:30,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:30,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:30,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:11:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 157 states and 292 transitions. [2024-12-06 05:11:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 292 transitions. [2024-12-06 05:11:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 05:11:30,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:11:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 158 states and 292 transitions. [2024-12-06 05:11:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 292 transitions. [2024-12-06 05:11:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 05:11:30,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:30,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:11:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 162 states and 300 transitions. [2024-12-06 05:11:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 300 transitions. [2024-12-06 05:11:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 05:11:31,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:31,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 05:11:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:31,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 163 states and 301 transitions. [2024-12-06 05:11:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 301 transitions. [2024-12-06 05:11:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 05:11:31,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:31,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:11:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 176 states and 338 transitions. [2024-12-06 05:11:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 338 transitions. [2024-12-06 05:11:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 05:11:33,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:33,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 05:11:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 177 states and 339 transitions. [2024-12-06 05:11:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 339 transitions. [2024-12-06 05:11:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 05:11:33,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:11:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 187 states and 361 transitions. [2024-12-06 05:11:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 361 transitions. [2024-12-06 05:11:37,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 05:11:37,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:11:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 188 states and 362 transitions. [2024-12-06 05:11:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 362 transitions. [2024-12-06 05:11:37,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 05:11:37,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:37,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:11:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 184 states and 349 transitions. [2024-12-06 05:11:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 349 transitions. [2024-12-06 05:11:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 05:11:39,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:39,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:11:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 186 states and 350 transitions. [2024-12-06 05:11:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 350 transitions. [2024-12-06 05:11:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 05:11:40,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:40,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:11:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:41,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 187 states and 348 transitions. [2024-12-06 05:11:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 348 transitions. [2024-12-06 05:11:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 05:11:41,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:41,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:11:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 190 states and 372 transitions. [2024-12-06 05:11:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 372 transitions. [2024-12-06 05:11:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 05:11:42,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:42,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:11:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 191 states and 373 transitions. [2024-12-06 05:11:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 373 transitions. [2024-12-06 05:11:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 05:11:42,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:42,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:11:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 200 states and 398 transitions. [2024-12-06 05:11:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 398 transitions. [2024-12-06 05:11:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 05:11:44,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:44,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:11:44,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 204 states and 402 transitions. [2024-12-06 05:11:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 402 transitions. [2024-12-06 05:11:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 05:11:44,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:44,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:11:44,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 205 states and 402 transitions. [2024-12-06 05:11:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 402 transitions. [2024-12-06 05:11:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 05:11:44,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:44,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:11:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 205 states and 396 transitions. [2024-12-06 05:11:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 396 transitions. [2024-12-06 05:11:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 05:11:45,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:45,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:45,593 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:11:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 212 states and 412 transitions. [2024-12-06 05:11:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 412 transitions. [2024-12-06 05:11:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 05:11:46,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:46,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 17 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:11:46,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 213 states and 413 transitions. [2024-12-06 05:11:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 413 transitions. [2024-12-06 05:11:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 05:11:46,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:46,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 05:11:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 218 states and 423 transitions. [2024-12-06 05:11:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 423 transitions. [2024-12-06 05:11:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 05:11:50,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:50,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:50,282 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 05:11:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 224 states and 439 transitions. [2024-12-06 05:11:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 439 transitions. [2024-12-06 05:11:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 05:11:50,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:50,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 05:11:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 226 states and 448 transitions. [2024-12-06 05:11:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 448 transitions. [2024-12-06 05:11:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 05:11:51,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:51,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 05:11:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 226 states and 445 transitions. [2024-12-06 05:11:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 445 transitions. [2024-12-06 05:11:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 05:11:52,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:52,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 05:11:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 227 states and 446 transitions. [2024-12-06 05:11:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 446 transitions. [2024-12-06 05:11:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 05:11:52,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:52,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:52,607 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:11:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:52,709 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:11:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:52,776 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 45 iterations. [2024-12-06 05:11:52,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:11:52 ImpRootNode [2024-12-06 05:11:52,828 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:11:52,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:11:52,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:11:52,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:11:52,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:20" (3/4) ... [2024-12-06 05:11:52,831 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:11:52,896 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 97. [2024-12-06 05:11:52,974 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:11:52,974 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:11:52,974 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:11:52,975 INFO L158 Benchmark]: Toolchain (without parser) took 33000.19ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 116.2MB in the beginning and 309.4MB in the end (delta: -193.3MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2024-12-06 05:11:52,975 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:52,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.92ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 97.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:11:52,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.95ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 95.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:52,976 INFO L158 Benchmark]: Boogie Preprocessor took 21.93ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 94.4MB in the end (delta: 959.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:11:52,977 INFO L158 Benchmark]: RCFGBuilder took 388.01ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 66.9MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:11:52,977 INFO L158 Benchmark]: CodeCheck took 32021.55ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 66.9MB in the beginning and 322.0MB in the end (delta: -255.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-12-06 05:11:52,977 INFO L158 Benchmark]: Witness Printer took 145.41ms. Allocated memory is still 419.4MB. Free memory was 322.0MB in the beginning and 309.4MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:11:52,979 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12819 SdHoareTripleChecker+Valid, 38.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7594 mSDsluCounter, 17634 SdHoareTripleChecker+Invalid, 33.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12220 mSDsCounter, 8466 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26465 IncrementalHoareTripleChecker+Invalid, 34931 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8466 mSolverCounterUnsat, 5414 mSDtfsCounter, 26465 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23073 GetRequests, 22405 SyntacticMatches, 224 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102291 ImplicationChecksByTransitivity, 24.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2145 NumberOfCodeBlocks, 2145 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 2025 ConstructedInterpolants, 0 QuantifiedInterpolants, 5371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 22 PerfectInterpolantSequences, 861/1144 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L374] int cleanupTimeShifts = 4; [L472] int methAndRunningLastTime ; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L775] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L449] int retValue_acc ; [L450] int tmp ; [L454] FCALL select_helpers() [L455] FCALL select_features() [L456] CALL, EXPR valid_product() [L365] int retValue_acc ; [L368] retValue_acc = 1 [L369] return (retValue_acc); [L456] RET, EXPR valid_product() [L456] tmp = valid_product() [L458] COND TRUE \read(tmp) [L460] FCALL setup() [L461] CALL runTest() [L442] CALL __utac_acc__Specification2_spec__1() [L477] methAndRunningLastTime = 0 [L442] RET __utac_acc__Specification2_spec__1() [L443] CALL test() [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L87] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] COND TRUE waterLevel < 2 [L531] waterLevel = waterLevel + 1 [L87] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L107] CALL startSystem() [L331] systemActive = 1 [L107] RET startSystem() [L122] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L150] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] COND TRUE \read(systemActive) [L159] CALL processEnvironment() [L179] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L182] COND TRUE ! pumpRunning [L184] CALL, EXPR isHighWaterLevel() [L294] int retValue_acc ; [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isHighWaterSensorDry() [L592] int retValue_acc ; [L595] COND FALSE !(waterLevel < 2) [L599] retValue_acc = 0 [L600] return (retValue_acc); [L300] RET, EXPR isHighWaterSensorDry() [L300] tmp = isHighWaterSensorDry() [L302] COND FALSE !(\read(tmp)) [L305] tmp___0 = 1 [L307] retValue_acc = tmp___0 [L308] return (retValue_acc); [L184] RET, EXPR isHighWaterLevel() [L184] tmp = isHighWaterLevel() [L186] COND TRUE \read(tmp) [L188] CALL activatePump() [L213] int tmp ; [L217] CALL, EXPR isMethaneAlarm() [L238] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] int retValue_acc ; [L554] retValue_acc = methaneLevelCritical [L555] return (retValue_acc); [L242] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L242] retValue_acc = isMethaneLevelCritical() [L244] return (retValue_acc); [L217] RET, EXPR isMethaneAlarm() [L217] tmp = isMethaneAlarm() [L219] COND FALSE !(\read(tmp)) [L223] CALL activatePump__wrappee__highWaterSensor() [L207] pumpRunning = 1 [L223] RET activatePump__wrappee__highWaterSensor() [L188] RET activatePump() [L159] RET processEnvironment() [L165] CALL __utac_acc__Specification2_spec__2() [L482] int tmp ; [L483] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L487] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L551] int retValue_acc ; [L554] retValue_acc = methaneLevelCritical [L555] return (retValue_acc); [L487] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L487] tmp = isMethaneLevelCritical() [L489] COND FALSE !(\read(tmp)) [L505] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L165] RET __utac_acc__Specification2_spec__2() [L122] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp___1=19, waterLevel=2] [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp___1=19, waterLevel=2] [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp___1=19, waterLevel=2] [L97] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L542] COND FALSE !(\read(methaneLevelCritical)) [L545] methaneLevelCritical = 1 [L97] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp___1=19, waterLevel=2] [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L107] CALL startSystem() [L331] systemActive = 1 [L107] RET startSystem() [L122] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L150] COND TRUE \read(pumpRunning) [L152] CALL lowerWaterLevel() [L518] COND TRUE waterLevel > 0 [L519] waterLevel = waterLevel - 1 [L152] RET lowerWaterLevel() [L157] COND TRUE \read(systemActive) [L159] CALL processEnvironment() [L179] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L182] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L197] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L159] RET processEnvironment() [L165] CALL __utac_acc__Specification2_spec__2() [L482] int tmp ; [L483] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L487] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L551] int retValue_acc ; [L554] retValue_acc = methaneLevelCritical [L555] return (retValue_acc); [L487] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L487] tmp = isMethaneLevelCritical() [L489] COND TRUE \read(tmp) [L491] CALL, EXPR isPumpRunning() [L249] int retValue_acc ; [L252] retValue_acc = pumpRunning [L253] return (retValue_acc); [L491] RET, EXPR isPumpRunning() [L491] tmp___0 = isPumpRunning() [L493] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L494] COND FALSE !(\read(methAndRunningLastTime)) [L499] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L165] RET __utac_acc__Specification2_spec__2() [L122] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp___1=19, waterLevel=1] [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp___1=19, waterLevel=1] [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp___1=19, waterLevel=1] [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L107] CALL startSystem() [L331] systemActive = 1 [L107] RET startSystem() [L122] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L150] COND TRUE \read(pumpRunning) [L152] CALL lowerWaterLevel() [L518] COND TRUE waterLevel > 0 [L519] waterLevel = waterLevel - 1 [L152] RET lowerWaterLevel() [L157] COND TRUE \read(systemActive) [L159] CALL processEnvironment() [L179] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L182] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L197] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L159] RET processEnvironment() [L165] CALL __utac_acc__Specification2_spec__2() [L482] int tmp ; [L483] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L487] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L551] int retValue_acc ; [L554] retValue_acc = methaneLevelCritical [L555] return (retValue_acc); [L487] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L487] tmp = isMethaneLevelCritical() [L489] COND TRUE \read(tmp) [L491] CALL, EXPR isPumpRunning() [L249] int retValue_acc ; [L252] retValue_acc = pumpRunning [L253] return (retValue_acc); [L491] RET, EXPR isPumpRunning() [L491] tmp___0 = isPumpRunning() [L493] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L494] COND TRUE \read(methAndRunningLastTime) [L496] CALL __automaton_fail() [L54] reach_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.92ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 97.5MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.95ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 95.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.93ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 94.4MB in the end (delta: 959.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 388.01ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 66.9MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 32021.55ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 66.9MB in the beginning and 322.0MB in the end (delta: -255.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 145.41ms. Allocated memory is still 419.4MB. Free memory was 322.0MB in the beginning and 309.4MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 335]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [335] - GenericResultAtLocation [Line: 373]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [373] - GenericResultAtLocation [Line: 471]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [471] - GenericResultAtLocation [Line: 510]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [510] - GenericResultAtLocation [Line: 605]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [605] RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:11:53,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba6fc6a-12a9-4601-9264-0e83256b8775/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE