./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_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_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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 8ba1335576639f8bd45c201263e01f64fe8f84865dbafc67e8c25ebad407527c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:45:04,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:45:04,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:45:04,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:45:04,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:45:04,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:45:04,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:45:04,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:45:04,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:45:04,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:45:04,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:45:04,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:45:04,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:45:04,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:45:04,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:45:04,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:45:04,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:45:04,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:45:04,658 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:45:04,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:45:04,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:45:04,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:45:04,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:45:04,658 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:45:04,659 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:45:04,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:45:04,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:04,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:45:04,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:45:04,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:45:04,659 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:45:04,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:45:04,659 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_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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 -> 8ba1335576639f8bd45c201263e01f64fe8f84865dbafc67e8c25ebad407527c [2024-11-13 22:45:05,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:45:05,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:45:05,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:45:05,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:45:05,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:45:05,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i Unable to find full path for "g++" [2024-11-13 22:45:07,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:45:07,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:45:07,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i [2024-11-13 22:45:07,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/data/69396d269/f0540732f7ad47aaa02604c822862787/FLAG134806967 [2024-11-13 22:45:07,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/data/69396d269/f0540732f7ad47aaa02604c822862787 [2024-11-13 22:45:07,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:45:07,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:45:07,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:07,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:45:07,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:45:07,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:07" (1/1) ... [2024-11-13 22:45:07,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c8aba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:07, skipping insertion in model container [2024-11-13 22:45:07,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:07" (1/1) ... [2024-11-13 22:45:07,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:45:09,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:09,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:45:09,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:09,358 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:45:09,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09 WrapperNode [2024-11-13 22:45:09,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:09,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:09,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:45:09,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:45:09,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,437 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-13 22:45:09,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:09,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:45:09,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:45:09,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:45:09,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:45:09,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:45:09,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:45:09,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:45:09,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:09" (1/1) ... [2024-11-13 22:45:09,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:09,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:45:09,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:45:09,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:45:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:45:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:45:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:45:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:45:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:45:09,843 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:45:09,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:45:10,007 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 22:45:10,007 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:45:10,080 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:45:10,080 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:45:10,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:10 BoogieIcfgContainer [2024-11-13 22:45:10,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:45:10,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:45:10,082 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:45:10,093 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:45:10,093 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:10" (1/1) ... [2024-11-13 22:45:10,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:45:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:45:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:45:10,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:45:10,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:10,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:10,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:10,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:10,460 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:45:10,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:45:10 ImpRootNode [2024-11-13 22:45:10,488 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:45:10,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:45:10,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:45:10,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:45:10,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:10" (3/4) ... [2024-11-13 22:45:10,498 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:45:10,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:45:10,501 INFO L158 Benchmark]: Toolchain (without parser) took 2616.58ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 94.3MB in the end (delta: 21.6MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-13 22:45:10,505 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:10,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1473.90ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 56.1MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:45:10,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.55ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:45:10,506 INFO L158 Benchmark]: Boogie Preprocessor took 43.41ms. Allocated memory is still 142.6MB. Free memory was 53.4MB in the beginning and 52.5MB in the end (delta: 893.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:10,507 INFO L158 Benchmark]: RCFGBuilder took 598.33ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 108.4MB in the end (delta: -55.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 22:45:10,507 INFO L158 Benchmark]: CodeCheck took 407.13ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 95.1MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:45:10,508 INFO L158 Benchmark]: Witness Printer took 10.25ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.3MB in the end (delta: 762.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:10,515 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: 1567]: 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_fscanf_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_51b_badSink(data) [L1567] data - 1 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 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1473.90ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 56.1MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.55ms. Allocated memory is still 142.6MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.41ms. Allocated memory is still 142.6MB. Free memory was 53.4MB in the beginning and 52.5MB in the end (delta: 893.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.33ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 108.4MB in the end (delta: -55.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 407.13ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 95.1MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 10.25ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.3MB in the end (delta: 762.9kB). 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 22:45:10,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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 8ba1335576639f8bd45c201263e01f64fe8f84865dbafc67e8c25ebad407527c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:45:13,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:45:13,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:45:13,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:45:13,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:45:13,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:45:13,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:45:13,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:45:13,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:45:13,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:45:13,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:45:13,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:45:13,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:45:13,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:45:13,730 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:45:13,730 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:45:13,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:45:13,730 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:45:13,731 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:45:13,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:45:13,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:45:13,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:45:13,731 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:45:13,731 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:45:13,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:45:13,731 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:13,731 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:45:13,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:45:13,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:13,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:45:13,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:45:13,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:45:13,733 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:45:13,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:13,733 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:45:13,733 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_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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 -> 8ba1335576639f8bd45c201263e01f64fe8f84865dbafc67e8c25ebad407527c [2024-11-13 22:45:14,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:45:14,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:45:14,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:45:14,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:45:14,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:45:14,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i Unable to find full path for "g++" [2024-11-13 22:45:16,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:45:16,918 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:45:16,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_51_bad.i [2024-11-13 22:45:16,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/data/9376f00a3/6a9e1324c43c4e0f9b095c9de83c1b5c/FLAG2d7232d6e [2024-11-13 22:45:16,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/data/9376f00a3/6a9e1324c43c4e0f9b095c9de83c1b5c [2024-11-13 22:45:16,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:45:17,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:45:17,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:17,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:45:17,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:45:17,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:16" (1/1) ... [2024-11-13 22:45:17,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d264629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:17, skipping insertion in model container [2024-11-13 22:45:17,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:16" (1/1) ... [2024-11-13 22:45:17,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:45:18,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:18,120 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:45:18,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:18,448 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:45:18,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18 WrapperNode [2024-11-13 22:45:18,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:18,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:18,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:45:18,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:45:18,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,530 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 43 [2024-11-13 22:45:18,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:18,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:45:18,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:45:18,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:45:18,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:45:18,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:45:18,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:45:18,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:45:18,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:18" (1/1) ... [2024-11-13 22:45:18,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:18,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:45:18,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:45:18,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:45:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:45:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:45:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:45:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:45:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:45:18,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:45:18,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:45:19,006 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 22:45:19,006 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:45:19,062 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:45:19,062 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:45:19,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:19 BoogieIcfgContainer [2024-11-13 22:45:19,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:45:19,064 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:45:19,064 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:45:19,075 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:45:19,075 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:19" (1/1) ... [2024-11-13 22:45:19,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:45:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:45:19,138 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:45:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:45:19,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:19,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:19,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:45:19,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:45:19,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:45:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:19,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:19,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:19,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:45:19,553 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:45:19,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:45:19 ImpRootNode [2024-11-13 22:45:19,655 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:45:19,656 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:45:19,656 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:45:19,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:45:19,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:19" (3/4) ... [2024-11-13 22:45:19,664 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:45:19,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:45:19,670 INFO L158 Benchmark]: Toolchain (without parser) took 2666.25ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.8MB in the beginning and 221.4MB in the end (delta: -131.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-13 22:45:19,670 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:19,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1445.79ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 68.5MB in the end (delta: 21.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 22:45:19,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.20ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 65.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:19,672 INFO L158 Benchmark]: Boogie Preprocessor took 56.55ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:19,672 INFO L158 Benchmark]: RCFGBuilder took 474.50ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 49.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:45:19,673 INFO L158 Benchmark]: CodeCheck took 591.54ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 49.4MB in the beginning and 222.1MB in the end (delta: -172.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-13 22:45:19,673 INFO L158 Benchmark]: Witness Printer took 9.20ms. Allocated memory is still 251.7MB. Free memory was 222.1MB in the beginning and 221.4MB in the end (delta: 713.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:19,676 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: 0.5s, 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, 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: 1567]: 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_fscanf_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_51b_badSink(data) [L1567] data - 1 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 0.48ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1445.79ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 68.5MB in the end (delta: 21.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.20ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 65.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.55ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 474.50ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 49.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 591.54ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 49.4MB in the beginning and 222.1MB in the end (delta: -172.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 9.20ms. Allocated memory is still 251.7MB. Free memory was 222.1MB in the beginning and 221.4MB in the end (delta: 713.9kB). 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 22:45:19,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0ecd49-56ef-4912-833a-284ce8a6b1f8/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