./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_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_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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 fe6c35faf1873d5068015ca1d36acd182a26853a6632c16e7310045d06d3386e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:00,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:00,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:57:00,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:57:00,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:57:00,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:00,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:57:00,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:57:00,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:00,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:00,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:00,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:57:00,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:57:00,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:00,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:57:00,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:00,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:57:00,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:00,691 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:57:00,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:57:00,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:57:00,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:00,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:00,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:00,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:00,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:00,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:00,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:00,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:00,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:57:00,692 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:57:00,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:57:00,693 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_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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 -> fe6c35faf1873d5068015ca1d36acd182a26853a6632c16e7310045d06d3386e [2024-11-13 22:57:01,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:01,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:01,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:01,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:01,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:01,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i Unable to find full path for "g++" [2024-11-13 22:57:03,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:03,661 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:03,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i [2024-11-13 22:57:03,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/data/74f4df084/93a203ffdb9d42bcbdde27ecf288657d/FLAGb83a8d3e8 [2024-11-13 22:57:03,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/data/74f4df084/93a203ffdb9d42bcbdde27ecf288657d [2024-11-13 22:57:03,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:03,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:03,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:03,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:03,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:03,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18018b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03, skipping insertion in model container [2024-11-13 22:57:03,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:04,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:04,689 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:04,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:05,007 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:05,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05 WrapperNode [2024-11-13 22:57:05,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:05,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:05,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:05,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:05,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,086 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-13 22:57:05,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:05,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:05,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:05,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:05,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:05,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:05,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:05,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:05,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:05,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:05,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:05,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:57:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:57:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:57:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:05,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:05,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:05,522 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:05,522 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:05,563 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:05,564 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:57:05,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:05 BoogieIcfgContainer [2024-11-13 22:57:05,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:05,565 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:05,565 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:05,577 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:05,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:05" (1/1) ... [2024-11-13 22:57:05,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:57:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:57:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:57:05,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:05,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:05,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:05,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:05,901 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:57:05,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:57:05 ImpRootNode [2024-11-13 22:57:05,936 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:57:05,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:57:05,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:57:05,937 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:57:05,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:05" (3/4) ... [2024-11-13 22:57:05,939 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:57:05,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:57:05,941 INFO L158 Benchmark]: Toolchain (without parser) took 2241.02ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 49.2MB in the end (delta: 39.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-13 22:57:05,941 INFO L158 Benchmark]: CDTParser took 2.07ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:05,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.88ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.0MB in the end (delta: 8.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 22:57:05,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.56ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:05,943 INFO L158 Benchmark]: Boogie Preprocessor took 24.16ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:05,943 INFO L158 Benchmark]: RCFGBuilder took 452.50ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 63.2MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:57:05,944 INFO L158 Benchmark]: CodeCheck took 370.63ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 49.2MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:57:05,944 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 117.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:05,948 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_min_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_min_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CWE191_Integer_Underflow__int_min_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_min_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_min_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=1, 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 2.07ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.88ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.0MB in the end (delta: 8.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.56ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.16ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.50ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 63.2MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 370.63ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 49.2MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 117.4MB. Free memory is still 49.2MB. 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 22:57:05,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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 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_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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 fe6c35faf1873d5068015ca1d36acd182a26853a6632c16e7310045d06d3386e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:08,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:08,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:57:08,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:08,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:57:08,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:57:08,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:08,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:08,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:08,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:57:08,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:08,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:57:08,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:08,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:57:08,903 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:57:08,903 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:57:08,903 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:08,903 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:57:08,903 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:57:08,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:57:08,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:57:08,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:08,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:08,905 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:08,905 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:08,905 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:08,906 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:57:08,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:08,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:08,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:08,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:08,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:57:08,906 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:57:08,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:08,907 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:57:08,907 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_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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 -> fe6c35faf1873d5068015ca1d36acd182a26853a6632c16e7310045d06d3386e [2024-11-13 22:57:09,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:09,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:09,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:09,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:09,299 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:09,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i Unable to find full path for "g++" [2024-11-13 22:57:11,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:11,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:11,804 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_bad.i [2024-11-13 22:57:11,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/data/fa88aaffc/aabc10cd062a44cfa1b69d789d55afbf/FLAG81d484b32 [2024-11-13 22:57:11,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/data/fa88aaffc/aabc10cd062a44cfa1b69d789d55afbf [2024-11-13 22:57:11,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:11,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:11,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:11,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:11,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:11,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:11" (1/1) ... [2024-11-13 22:57:11,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36088a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:11, skipping insertion in model container [2024-11-13 22:57:11,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:11" (1/1) ... [2024-11-13 22:57:11,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:13,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:13,055 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:13,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:13,396 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:13,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13 WrapperNode [2024-11-13 22:57:13,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:13,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:13,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:13,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:13,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,461 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-13 22:57:13,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:13,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:13,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:13,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:13,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:13,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:13,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:13,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:13,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:13" (1/1) ... [2024-11-13 22:57:13,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:13,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:13,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:13,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:13,580 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:57:13,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:57:13,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:57:13,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:13,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:13,798 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:13,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:13,936 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:13,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:14,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:14,010 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:57:14,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:14 BoogieIcfgContainer [2024-11-13 22:57:14,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:14,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:14,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:14,028 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:14,031 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:14" (1/1) ... [2024-11-13 22:57:14,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:57:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:57:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:57:14,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:14,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:57:14,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:57:14,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:57:14,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:57:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:14,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:14,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:57:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:57:14,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:57:14,588 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:57:14,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:57:14 ImpRootNode [2024-11-13 22:57:14,628 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:57:14,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:57:14,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:57:14,630 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:57:14,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:14" (3/4) ... [2024-11-13 22:57:14,634 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:57:14,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:57:14,639 INFO L158 Benchmark]: Toolchain (without parser) took 2781.79ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 42.9MB in the end (delta: 14.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-11-13 22:57:14,640 INFO L158 Benchmark]: CDTParser took 3.24ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:14,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1541.99ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.7MB in the end (delta: 5.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:57:14,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.47ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 49.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:14,641 INFO L158 Benchmark]: Boogie Preprocessor took 33.28ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:14,646 INFO L158 Benchmark]: RCFGBuilder took 514.99ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 32.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:57:14,646 INFO L158 Benchmark]: CodeCheck took 616.29ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 43.0MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:14,647 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:57:14,650 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_min_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_min_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] CWE191_Integer_Underflow__int_min_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_min_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_min_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_min_sub_22_badGlobal=1, 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 3.24ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1541.99ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.7MB in the end (delta: 5.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.47ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 49.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.28ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.99ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 32.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 616.29ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 43.0MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 9.2kB). 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 22:57:14,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3337c2de-f053-4b00-aaa0-9c8fdf427f3f/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