./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec5ebaaaf09bd3da2860d9ef8d6f818c2ba53a03fc80940f3851ef50991449ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:11:02,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:11:02,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:11:02,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:11:02,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:11:02,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:11:02,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:11:02,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:11:02,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:11:02,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:11:02,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:11:02,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:11:02,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:11:02,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:11:02,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:11:02,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:02,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:11:02,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:11:02,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:11:02,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:11:02,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:11:02,552 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_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec5ebaaaf09bd3da2860d9ef8d6f818c2ba53a03fc80940f3851ef50991449ba [2024-11-13 21:11:02,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:11:02,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:11:02,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:11:02,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:11:02,869 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:11:02,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_14_bad.i Unable to find full path for "g++" [2024-11-13 21:11:04,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:11:04,922 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.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:11:05,350 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:11:05,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_14_bad.i [2024-11-13 21:11:05,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/data/dff5c5c9b/79880539768e4b9498a0288fe1c4ac16/FLAGa06e2a734 [2024-11-13 21:11:05,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/data/dff5c5c9b/79880539768e4b9498a0288fe1c4ac16 [2024-11-13 21:11:05,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:11:05,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:11:05,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:05,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:11:05,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:11:05,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:05" (1/1) ... [2024-11-13 21:11:05,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544a2902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:05, skipping insertion in model container [2024-11-13 21:11:05,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:05" (1/1) ... [2024-11-13 21:11:05,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:11:06,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:06,593 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:11:06,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:06,860 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:11:06,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06 WrapperNode [2024-11-13 21:11:06,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:06,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:06,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:11:06,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:11:06,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,902 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 21:11:06,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:06,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:11:06,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:11:06,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:11:06,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:11:06,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:11:06,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:11:06,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:11:06,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:06" (1/1) ... [2024-11-13 21:11:06,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:06,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:11:06,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:11:06,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:11:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:11:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:11:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:11:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:11:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:11:07,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:11:07,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:11:07,293 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:11:07,294 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:11:07,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:11:07,338 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:11:07,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:07 BoogieIcfgContainer [2024-11-13 21:11:07,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:11:07,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:11:07,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:11:07,351 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:11:07,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:07" (1/1) ... [2024-11-13 21:11:07,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:11:07,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:11:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:11:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:11:07,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:07,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:11:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:11:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:11:07,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:07,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:07,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:07,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:07,900 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:11:07,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:11:07 ImpRootNode [2024-11-13 21:11:07,951 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:11:07,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:11:07,952 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:11:07,953 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:11:07,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:07" (3/4) ... [2024-11-13 21:11:07,957 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:11:07,958 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:11:07,961 INFO L158 Benchmark]: Toolchain (without parser) took 2540.45ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 41.2MB in the end (delta: 47.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-13 21:11:07,962 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:07,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1440.93ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 80.1MB in the end (delta: 8.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 21:11:07,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.49ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:07,963 INFO L158 Benchmark]: Boogie Preprocessor took 21.68ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:07,964 INFO L158 Benchmark]: RCFGBuilder took 413.46ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:07,964 INFO L158 Benchmark]: CodeCheck took 611.35ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 41.9MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:11:07,964 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 117.4MB. Free memory was 41.9MB in the beginning and 41.2MB in the end (delta: 691.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:07,971 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 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_multiply_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1440.93ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 80.1MB in the end (delta: 8.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.49ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.68ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.46ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 611.35ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 41.9MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 117.4MB. Free memory was 41.9MB in the beginning and 41.2MB in the end (delta: 691.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:11:08,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec5ebaaaf09bd3da2860d9ef8d6f818c2ba53a03fc80940f3851ef50991449ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:11:10,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:11:10,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:11:11,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:11:11,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:11:11,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:11:11,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:11:11,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:11:11,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:11:11,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:11:11,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:11:11,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:11:11,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:11:11,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:11:11,038 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:11:11,038 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:11:11,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:11:11,038 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:11:11,040 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:11:11,040 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:11:11,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:11:11,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:11:11,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:11:11,040 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:11:11,040 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:11:11,041 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:11,041 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:11:11,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:11:11,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:11,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:11:11,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:11:11,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:11:11,045 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:11:11,046 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:11,046 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:11:11,046 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_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec5ebaaaf09bd3da2860d9ef8d6f818c2ba53a03fc80940f3851ef50991449ba [2024-11-13 21:11:11,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:11:11,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:11:11,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:11:11,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:11:11,424 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:11:11,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_14_bad.i Unable to find full path for "g++" [2024-11-13 21:11:13,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:11:13,911 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:11:13,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_14_bad.i [2024-11-13 21:11:13,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/data/a96f24f45/e61644bd7ba646e69af5e07bf79e690f/FLAGde95faa21 [2024-11-13 21:11:13,980 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/data/a96f24f45/e61644bd7ba646e69af5e07bf79e690f [2024-11-13 21:11:13,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:11:13,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:11:13,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:13,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:11:13,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:11:13,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:13" (1/1) ... [2024-11-13 21:11:13,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d57378b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:13, skipping insertion in model container [2024-11-13 21:11:13,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:13" (1/1) ... [2024-11-13 21:11:14,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:11:15,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:15,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:11:15,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:15,477 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:11:15,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15 WrapperNode [2024-11-13 21:11:15,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:15,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:15,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:11:15,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:11:15,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,555 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 21:11:15,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:15,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:11:15,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:11:15,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:11:15,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:11:15,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:11:15,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:11:15,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:11:15,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:15" (1/1) ... [2024-11-13 21:11:15,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:11:15,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:11:15,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:11:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:11:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:11:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:11:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:11:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:11:15,906 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:11:15,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:11:16,067 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:11:16,067 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:11:16,140 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:11:16,140 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:11:16,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:16 BoogieIcfgContainer [2024-11-13 21:11:16,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:11:16,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:11:16,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:11:16,154 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:11:16,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:16" (1/1) ... [2024-11-13 21:11:16,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:11:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:11:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:11:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:11:16,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:16,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:16,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:11:16,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:11:16,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:11:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:16,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:11:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:16,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:11:16,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:11:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:16,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:11:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:11:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:11:16,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:11:16,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:16,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:16,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:11:16,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:11:16,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:11:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:16,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:16,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:16,960 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:11:16,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:11:16,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:11:16 ImpRootNode [2024-11-13 21:11:16,995 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:11:16,996 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:11:16,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:11:16,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:11:16,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:16" (3/4) ... [2024-11-13 21:11:16,999 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:11:17,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:11:17,003 INFO L158 Benchmark]: Toolchain (without parser) took 3016.24ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 78.5MB in the end (delta: 11.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-13 21:11:17,004 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:17,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1490.83ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 68.6MB in the end (delta: 21.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 21:11:17,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.47ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 65.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:17,005 INFO L158 Benchmark]: Boogie Preprocessor took 49.06ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:17,005 INFO L158 Benchmark]: RCFGBuilder took 533.13ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 48.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:11:17,005 INFO L158 Benchmark]: CodeCheck took 853.54ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 79.2MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:17,010 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 78.5MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:17,012 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 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_multiply_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1490.83ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 68.6MB in the end (delta: 21.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.47ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 65.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.06ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.13ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 48.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 853.54ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 79.2MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 78.5MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:11:17,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bb13fe-1144-4bde-9ff8-7044e7ad781d/bin/ukojak-verify-EEHR8qb7sm/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 Result: UNKNOWN: Overapproximated counterexample