./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_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_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3 --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 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:48:32,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:48:32,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:48:32,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:48:32,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:48:32,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:48:32,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:48:32,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:48:32,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:48:32,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:48:32,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:48:32,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:48:32,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:48:32,601 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:48:32,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:48:32,601 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:48:32,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:48:32,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:32,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:48:32,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:48:32,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:48:32,602 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:48:32,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:48:32,602 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_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c [2024-11-25 02:48:32,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:48:32,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:48:32,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:48:32,900 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:48:32,901 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:48:32,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2024-11-25 02:48:35,963 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data/beac9c21c/5def7a0f47a14394bde893ec10f0b1d4/FLAG33e3f9762 [2024-11-25 02:48:36,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:48:36,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2024-11-25 02:48:36,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data/beac9c21c/5def7a0f47a14394bde893ec10f0b1d4/FLAG33e3f9762 [2024-11-25 02:48:36,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data/beac9c21c/5def7a0f47a14394bde893ec10f0b1d4 [2024-11-25 02:48:36,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:48:36,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:48:36,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:36,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:48:36,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:48:36,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:36" (1/1) ... [2024-11-25 02:48:36,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9bb4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:36, skipping insertion in model container [2024-11-25 02:48:36,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:36" (1/1) ... [2024-11-25 02:48:36,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:48:37,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:37,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:48:37,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:37,766 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:48:37,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37 WrapperNode [2024-11-25 02:48:37,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:37,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:37,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:48:37,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:48:37,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,833 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-25 02:48:37,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:37,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:48:37,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:48:37,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:48:37,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,849 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:48:37,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:48:37,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:48:37,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:48:37,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:37" (1/1) ... [2024-11-25 02:48:37,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:37,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:48:37,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:48:37,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:48:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:48:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:48:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:48:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:48:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:48:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:48:38,085 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:48:38,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:48:38,211 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 02:48:38,211 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:48:38,246 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:48:38,247 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:48:38,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:38 BoogieIcfgContainer [2024-11-25 02:48:38,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:48:38,248 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:48:38,248 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:48:38,261 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:48:38,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:38" (1/1) ... [2024-11-25 02:48:38,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:48:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:38,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:48:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:48:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:48:38,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:38,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:38,485 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:38,633 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:38,676 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:48:38,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:48:38 ImpRootNode [2024-11-25 02:48:38,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:48:38,715 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:48:38,715 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:48:38,716 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:48:38,716 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:38" (3/4) ... [2024-11-25 02:48:38,719 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:48:38,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:48:38,721 INFO L158 Benchmark]: Toolchain (without parser) took 2266.89ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 42.3MB in the end (delta: 46.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-25 02:48:38,722 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:38,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1311.65ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 78.9MB in the end (delta: 10.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 02:48:38,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.69ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:38,723 INFO L158 Benchmark]: Boogie Preprocessor took 22.20ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:38,723 INFO L158 Benchmark]: RCFGBuilder took 390.48ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 61.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:48:38,724 INFO L158 Benchmark]: CodeCheck took 466.58ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 42.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:48:38,724 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 117.4MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:38,728 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of fgets at line 1554. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1553] 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] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; 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] [L1566] 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] [L1568] 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 0.68ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1311.65ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 78.9MB in the end (delta: 10.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.69ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.20ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.48ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 61.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 466.58ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 42.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 117.4MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:48:38,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/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_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3 --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 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:48:41,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:48:41,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:48:41,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:48:41,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:48:41,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:48:41,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:48:41,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:48:41,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:48:41,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:48:41,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:48:41,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:48:41,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:48:41,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:48:41,635 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:48:41,635 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:48:41,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:48:41,637 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:48:41,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:48:41,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:48:41,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:48:41,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:48:41,639 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:48:41,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:48:41,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:48:41,639 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:41,639 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:48:41,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:48:41,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:41,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:48:41,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:48:41,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:48:41,640 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:48:41,640 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:41,641 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:48:41,641 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_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 23cf0ffb9f962a6694e05d9cf94d91f079ea00e3188ad6187a3f8468cfb1f91c [2024-11-25 02:48:41,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:48:41,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:48:41,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:48:41,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:48:41,992 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:48:41,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2024-11-25 02:48:44,939 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data/19447048f/5257e5bed6714c63aa3569524392d338/FLAGf2eb77b4e [2024-11-25 02:48:45,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:48:45,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_31_bad.i [2024-11-25 02:48:45,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data/19447048f/5257e5bed6714c63aa3569524392d338/FLAGf2eb77b4e [2024-11-25 02:48:45,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/data/19447048f/5257e5bed6714c63aa3569524392d338 [2024-11-25 02:48:45,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:48:45,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:48:45,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:45,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:48:45,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:48:45,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ff2c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:45, skipping insertion in model container [2024-11-25 02:48:45,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:48:45" (1/1) ... [2024-11-25 02:48:45,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:48:46,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:46,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:48:46,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:48:46,866 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:48:46,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46 WrapperNode [2024-11-25 02:48:46,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:48:46,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:46,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:48:46,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:48:46,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,945 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 02:48:46,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:48:46,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:48:46,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:48:46,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:48:46,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,978 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:46,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:48:46,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:48:46,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:48:46,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:48:47,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:48:46" (1/1) ... [2024-11-25 02:48:47,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:48:47,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:48:47,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:48:47,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:48:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:48:47,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:48:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:48:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:48:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:48:47,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:48:47,268 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:48:47,270 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:48:47,447 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-25 02:48:47,447 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:48:47,499 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:48:47,499 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:48:47,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:47 BoogieIcfgContainer [2024-11-25 02:48:47,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:48:47,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:48:47,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:48:47,514 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:48:47,514 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:47" (1/1) ... [2024-11-25 02:48:47,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:48:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:48:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:48:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:48:47,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:47,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:47,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:47,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:47,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:48:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:47,828 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:47,999 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:48:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:48:48,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:48,044 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:48:48,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:48:48 ImpRootNode [2024-11-25 02:48:48,079 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:48:48,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:48:48,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:48:48,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:48:48,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:48:47" (3/4) ... [2024-11-25 02:48:48,084 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:48:48,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:48:48,088 INFO L158 Benchmark]: Toolchain (without parser) took 2570.20ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 78.3MB in the end (delta: 13.2MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-25 02:48:48,089 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:48,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1350.89ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 78.3MB in the end (delta: 12.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-25 02:48:48,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.58ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:48,090 INFO L158 Benchmark]: Boogie Preprocessor took 47.63ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:48,090 INFO L158 Benchmark]: RCFGBuilder took 505.61ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 57.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:48:48,090 INFO L158 Benchmark]: CodeCheck took 578.38ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 78.3MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:48:48,091 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 78.3MB in the end (delta: 23.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:48:48,097 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: 0.5s, 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, 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of fgets at line 1554. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1553] 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] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; 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] [L1566] 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] [L1568] 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 0.56ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1350.89ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 78.3MB in the end (delta: 12.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.58ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.63ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.61ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 57.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 578.38ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 78.3MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 78.3MB in the end (delta: 23.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:48:48,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d179dad-9f83-44ff-8bb1-65d8fcf1309a/bin/ukojak-verify-ENZ3QT5qd3/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