./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_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_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/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_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/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_01ae7974-65df-49a5-9493-61d4631b3b49/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 3b3ac186299560d0a42b4414f7d0fea794ad7ff89a5f0056aece884cb3c63373 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:36,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:36,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:21:36,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:21:36,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:21:36,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:36,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:36,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:36,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:36,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:36,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:36,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:36,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:21:36,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:36,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:36,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:36,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:36,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:36,641 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:21:36,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:21:36,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:36,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:36,642 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:36,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:36,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:36,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:36,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:36,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:36,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:36,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:36,643 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:21:36,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:21:36,643 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_01ae7974-65df-49a5-9493-61d4631b3b49/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 -> 3b3ac186299560d0a42b4414f7d0fea794ad7ff89a5f0056aece884cb3c63373 [2024-11-13 23:21:37,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:37,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:37,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:37,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:37,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:37,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i Unable to find full path for "g++" [2024-11-13 23:21:39,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:39,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:39,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i [2024-11-13 23:21:39,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/data/80aed0e6c/ab35e56d18024ed7bae15246f03d252c/FLAG8215b4336 [2024-11-13 23:21:39,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/data/80aed0e6c/ab35e56d18024ed7bae15246f03d252c [2024-11-13 23:21:39,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:39,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:39,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:39,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:39,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:39,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:39" (1/1) ... [2024-11-13 23:21:39,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d015cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:39, skipping insertion in model container [2024-11-13 23:21:39,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:39" (1/1) ... [2024-11-13 23:21:39,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:40,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:40,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:40,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:40,976 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:21:40,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40 WrapperNode [2024-11-13 23:21:40,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:40,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:40,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:21:40,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:21:40,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,037 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-13 23:21:41,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:41,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:21:41,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:21:41,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:21:41,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:21:41,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:21:41,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:21:41,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:21:41,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:40" (1/1) ... [2024-11-13 23:21:41,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:41,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:21:41,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:21:41,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:21:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:21:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:21:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:21:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:21:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:21:41,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:21:41,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:21:41,429 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 23:21:41,430 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:21:41,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:21:41,476 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:21:41,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:41 BoogieIcfgContainer [2024-11-13 23:21:41,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:21:41,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:21:41,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:21:41,488 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:21:41,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:41" (1/1) ... [2024-11-13 23:21:41,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:21:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:21:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:21:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:21:41,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:41,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:41,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:41,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:41,811 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:21:41,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:21:41 ImpRootNode [2024-11-13 23:21:41,854 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:21:41,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:21:41,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:21:41,854 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:21:41,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:41" (3/4) ... [2024-11-13 23:21:41,862 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:21:41,863 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:21:41,864 INFO L158 Benchmark]: Toolchain (without parser) took 2178.44ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 52.5MB in the end (delta: 38.2MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,865 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:41,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1289.45ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 83.2MB in the end (delta: 7.1MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.25ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 80.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:41,866 INFO L158 Benchmark]: Boogie Preprocessor took 23.93ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,867 INFO L158 Benchmark]: RCFGBuilder took 413.94ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 65.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,871 INFO L158 Benchmark]: CodeCheck took 376.50ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 52.5MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:21:41,871 INFO L158 Benchmark]: Witness Printer took 9.21ms. Allocated memory is still 117.4MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:41,876 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1577]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_predec_53d_badSink(data) [L1577] --data 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 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1289.45ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 83.2MB in the end (delta: 7.1MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.25ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 80.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.93ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 413.94ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 65.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 376.50ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 52.5MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 9.21ms. Allocated memory is still 117.4MB. Free memory is still 52.5MB. 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 23:21:41,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/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_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/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_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/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_01ae7974-65df-49a5-9493-61d4631b3b49/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 3b3ac186299560d0a42b4414f7d0fea794ad7ff89a5f0056aece884cb3c63373 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:44,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:44,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:21:44,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:44,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:44,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:44,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:44,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:44,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:44,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:44,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:44,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:44,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:44,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:44,872 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:21:44,872 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:21:44,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:44,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:21:44,872 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:21:44,872 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:21:44,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:44,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:44,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:44,873 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:44,873 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:44,873 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:44,873 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:21:44,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:44,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:44,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:44,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:44,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:44,874 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:21:44,874 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:44,875 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:21:44,875 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_01ae7974-65df-49a5-9493-61d4631b3b49/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 -> 3b3ac186299560d0a42b4414f7d0fea794ad7ff89a5f0056aece884cb3c63373 [2024-11-13 23:21:45,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:45,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:45,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:45,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:45,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:45,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i Unable to find full path for "g++" [2024-11-13 23:21:47,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:47,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:47,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_53_bad.i [2024-11-13 23:21:47,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/data/06ba03e28/e4c8a6c0082643ed9ca717a3aa6db319/FLAG13f194b25 [2024-11-13 23:21:47,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/data/06ba03e28/e4c8a6c0082643ed9ca717a3aa6db319 [2024-11-13 23:21:47,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:47,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:47,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:47,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:47,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:47,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:47" (1/1) ... [2024-11-13 23:21:47,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ca89c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:47, skipping insertion in model container [2024-11-13 23:21:47,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:47" (1/1) ... [2024-11-13 23:21:47,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:48,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:48,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:49,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:49,225 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:21:49,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49 WrapperNode [2024-11-13 23:21:49,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:49,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:49,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:21:49,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:21:49,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,278 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 47 [2024-11-13 23:21:49,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:49,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:21:49,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:21:49,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:21:49,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:21:49,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:21:49,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:21:49,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:21:49,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:49,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:21:49,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:21:49,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:21:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:21:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:21:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:21:49,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:21:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:21:49,597 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:21:49,599 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:21:49,758 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 23:21:49,758 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:21:49,831 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:21:49,831 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:21:49,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49 BoogieIcfgContainer [2024-11-13 23:21:49,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:21:49,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:21:49,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:21:49,850 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:21:49,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:21:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:21:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:21:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:21:49,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:49,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:49,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:49,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:49,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:21:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:21:50,276 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:21:50,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:21:50 ImpRootNode [2024-11-13 23:21:50,334 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:21:50,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:21:50,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:21:50,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:21:50,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49" (3/4) ... [2024-11-13 23:21:50,340 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:21:50,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:21:50,344 INFO L158 Benchmark]: Toolchain (without parser) took 2567.42ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 84.5MB in the end (delta: 6.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,344 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.19ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 80.1MB in the end (delta: 10.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.60ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,345 INFO L158 Benchmark]: Boogie Preprocessor took 26.92ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,346 INFO L158 Benchmark]: RCFGBuilder took 528.64ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 59.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,346 INFO L158 Benchmark]: CodeCheck took 499.08ms. Allocated memory is still 117.4MB. Free memory was 59.5MB in the beginning and 84.6MB in the end (delta: -25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,347 INFO L158 Benchmark]: Witness Printer took 5.62ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 84.5MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,351 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1577]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_min_predec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] data = (-0x7fffffff - 1) [L1554] CALL CWE191_Integer_Underflow__int_min_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_min_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_min_predec_53d_badSink(data) [L1577] --data 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 0.40ms. Allocated memory is still 83.9MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.19ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 80.1MB in the end (delta: 10.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.60ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.92ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 528.64ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 59.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 499.08ms. Allocated memory is still 117.4MB. Free memory was 59.5MB in the beginning and 84.6MB in the end (delta: -25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.62ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 84.5MB in the end (delta: 48.6kB). 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 23:21:50,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01ae7974-65df-49a5-9493-61d4631b3b49/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample