./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b --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 a0cbddd8e25a6e3b38116e03f8f52c69c0e00660fb4ec0212bf11ee637aa2208 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:09:17,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:09:17,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:09:17,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:09:17,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:09:17,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:09:17,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:09:17,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:09:17,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:09:17,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:09:17,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:09:17,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:09:17,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:09:17,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:09:17,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:09:17,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:09:17,592 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:09:17,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:09:17,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:09:17,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:09:17,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:09:17,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:09:17,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:09:17,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:09:17,593 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_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> a0cbddd8e25a6e3b38116e03f8f52c69c0e00660fb4ec0212bf11ee637aa2208 [2024-12-06 01:09:17,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:09:17,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:09:17,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:09:17,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:09:17,862 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:09:17,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i [2024-12-06 01:09:20,547 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data/1b2b58df2/52fa30653a7b497aa91e1dad5818c891/FLAG85f1b20a1 [2024-12-06 01:09:20,858 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:09:20,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i [2024-12-06 01:09:20,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data/1b2b58df2/52fa30653a7b497aa91e1dad5818c891/FLAG85f1b20a1 [2024-12-06 01:09:21,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data/1b2b58df2/52fa30653a7b497aa91e1dad5818c891 [2024-12-06 01:09:21,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:09:21,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:09:21,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:09:21,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:09:21,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:09:21,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:21" (1/1) ... [2024-12-06 01:09:21,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bc004e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:21, skipping insertion in model container [2024-12-06 01:09:21,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:21" (1/1) ... [2024-12-06 01:09:21,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:09:21,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:09:21,859 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:09:21,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:09:22,029 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:09:22,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22 WrapperNode [2024-12-06 01:09:22,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:09:22,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:09:22,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:09:22,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:09:22,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,073 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-12-06 01:09:22,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:09:22,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:09:22,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:09:22,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:09:22,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:09:22,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:09:22,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:09:22,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:09:22,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:09:22,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:09:22,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:09:22,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:09:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:09:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:09:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:09:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:09:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:09:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:09:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:09:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:09:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:09:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:09:22,264 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:09:22,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:09:22,364 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 01:09:22,364 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:09:22,396 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:09:22,396 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:09:22,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:22 BoogieIcfgContainer [2024-12-06 01:09:22,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:09:22,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:09:22,397 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:09:22,404 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:09:22,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:22" (1/1) ... [2024-12-06 01:09:22,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:09:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 01:09:22,448 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 01:09:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:09:22,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:22,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:09:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:09:22,565 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:09:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:09:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:09:22,665 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:09:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:09:22,699 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:09:22,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:09:22 ImpRootNode [2024-12-06 01:09:22,722 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:09:22,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:09:22,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:09:22,723 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:09:22,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:22" (3/4) ... [2024-12-06 01:09:22,726 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:09:22,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:09:22,728 INFO L158 Benchmark]: Toolchain (without parser) took 1618.06ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 77.0MB in the end (delta: 37.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-12-06 01:09:22,728 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:22,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.86ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 55.0MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:09:22,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.31ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.7MB in the end (delta: -59.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-06 01:09:22,730 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 112.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:22,730 INFO L158 Benchmark]: RCFGBuilder took 298.34ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 97.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:09:22,730 INFO L158 Benchmark]: CodeCheck took 325.29ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 77.0MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:09:22,731 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:22,733 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, 17 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, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560. 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); [L1582] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1582] 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] [L1583] CALL CWE191_Integer_Underflow__int_fgets_multiply_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_multiply_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={9727:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1572] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.86ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 55.0MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.31ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.7MB in the end (delta: -59.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 112.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.34ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 97.9MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 325.29ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 77.0MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:09:22,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b --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 a0cbddd8e25a6e3b38116e03f8f52c69c0e00660fb4ec0212bf11ee637aa2208 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:09:24,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:09:24,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:09:24,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:09:24,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:09:24,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:09:24,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:09:24,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:09:24,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:09:24,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:09:24,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:09:24,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:09:24,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:09:24,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:09:24,800 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:09:24,800 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:09:24,800 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:09:24,800 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:09:24,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:09:24,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:09:24,800 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:09:24,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:09:24,800 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:09:24,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:09:24,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:09:24,801 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:24,802 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:09:24,802 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_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> a0cbddd8e25a6e3b38116e03f8f52c69c0e00660fb4ec0212bf11ee637aa2208 [2024-12-06 01:09:25,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:09:25,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:09:25,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:09:25,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:09:25,038 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:09:25,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i [2024-12-06 01:09:27,704 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data/c2090487d/3f34d012a0bc4558b291e034ade8fce2/FLAG7c50574a0 [2024-12-06 01:09:28,003 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:09:28,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_34_bad.i [2024-12-06 01:09:28,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data/c2090487d/3f34d012a0bc4558b291e034ade8fce2/FLAG7c50574a0 [2024-12-06 01:09:28,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/data/c2090487d/3f34d012a0bc4558b291e034ade8fce2 [2024-12-06 01:09:28,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:09:28,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:09:28,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:09:28,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:09:28,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:09:28,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea20e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28, skipping insertion in model container [2024-12-06 01:09:28,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:09:28,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:09:28,725 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:09:28,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:09:28,915 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:09:28,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28 WrapperNode [2024-12-06 01:09:28,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:09:28,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:09:28,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:09:28,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:09:28,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,957 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-12-06 01:09:28,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:09:28,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:09:28,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:09:28,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:09:28,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:09:28,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:09:28,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:09:28,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:09:28,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:28" (1/1) ... [2024-12-06 01:09:28,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:09:29,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:09:29,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:09:29,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:09:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:09:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:09:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:09:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:09:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:09:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:09:29,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:09:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:09:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:09:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:09:29,150 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:09:29,151 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:09:29,268 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 01:09:29,268 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:09:29,301 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:09:29,301 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:09:29,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:29 BoogieIcfgContainer [2024-12-06 01:09:29,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:09:29,302 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:09:29,302 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:09:29,309 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:09:29,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:29" (1/1) ... [2024-12-06 01:09:29,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:09:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 01:09:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 01:09:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:09:29,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:29,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:29,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:29,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:29,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:09:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:09:29,538 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:09:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:09:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:09:29,687 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:09:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:09:29,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:09:29,732 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:09:29,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:09:29 ImpRootNode [2024-12-06 01:09:29,756 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:09:29,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:09:29,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:09:29,756 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:09:29,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:29" (3/4) ... [2024-12-06 01:09:29,759 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:09:29,760 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:09:29,760 INFO L158 Benchmark]: Toolchain (without parser) took 1717.55ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 50.9MB in the end (delta: 15.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-06 01:09:29,761 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:29,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.29ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 61.9MB in the end (delta: 4.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-12-06 01:09:29,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.20ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 59.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:29,762 INFO L158 Benchmark]: Boogie Preprocessor took 26.00ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:29,762 INFO L158 Benchmark]: RCFGBuilder took 316.47ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 41.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:09:29,762 INFO L158 Benchmark]: CodeCheck took 453.58ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 51.4MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:29,763 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 50.9MB in the end (delta: 525.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:29,765 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of fgets at line 1560. 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); [L1582] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1582] 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] [L1583] CALL CWE191_Integer_Underflow__int_fgets_multiply_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_multiply_34_unionType myUnion; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1572] COND TRUE data < 0 VAL [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] [L1574] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.29ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 61.9MB in the end (delta: 4.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.20ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 59.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.00ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.47ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 41.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 453.58ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 51.4MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 50.9MB in the end (delta: 525.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:09:29,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74d48d1a-a754-4d75-8fba-d0f13f881f05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample