./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:49:11,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:49:12,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:49:12,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:49:12,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:49:12,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:49:12,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:49:12,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:49:12,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:49:12,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:49:12,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:49:12,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:49:12,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:49:12,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:49:12,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:49:12,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:49:12,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:49:12,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:49:12,108 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:49:12,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:49:12,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:49:12,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:49:12,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:49:12,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:49:12,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:49:12,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:49:12,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:12,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:49:12,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:49:12,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:49:12,109 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:49:12,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:49:12,109 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_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e [2024-11-13 16:49:12,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:49:12,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:49:12,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:49:12,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:49:12,511 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:49:12,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i Unable to find full path for "g++" [2024-11-13 16:49:15,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:49:15,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:49:15,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2024-11-13 16:49:15,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/data/d42381c23/d1baae5ee72041718ed2922143d51af3/FLAGdb6c274bf [2024-11-13 16:49:15,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/data/d42381c23/d1baae5ee72041718ed2922143d51af3 [2024-11-13 16:49:15,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:49:15,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:49:15,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:15,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:49:15,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:49:15,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:15" (1/1) ... [2024-11-13 16:49:15,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd79c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:15, skipping insertion in model container [2024-11-13 16:49:15,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:15" (1/1) ... [2024-11-13 16:49:15,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:49:17,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:17,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:49:17,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:17,356 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:49:17,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17 WrapperNode [2024-11-13 16:49:17,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:17,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:17,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:49:17,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:49:17,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,445 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71 [2024-11-13 16:49:17,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:17,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:49:17,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:49:17,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:49:17,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:49:17,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:49:17,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:49:17,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:49:17,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:17" (1/1) ... [2024-11-13 16:49:17,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:17,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:49:17,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:49:17,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:49:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:49:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:49:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:49:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:49:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:49:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:49:17,796 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:49:17,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:49:17,980 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 16:49:17,980 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:49:18,057 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:49:18,058 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:49:18,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:18 BoogieIcfgContainer [2024-11-13 16:49:18,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:49:18,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:49:18,062 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:49:18,074 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:49:18,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:18" (1/1) ... [2024-11-13 16:49:18,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:49:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 16:49:18,158 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 16:49:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:49:18,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:18,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:49:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:49:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 16:49:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 16:49:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:49:18,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:18,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:49:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:18,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:18,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:19,025 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:49:19,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:49:19 ImpRootNode [2024-11-13 16:49:19,070 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:49:19,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:49:19,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:49:19,071 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:49:19,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:18" (3/4) ... [2024-11-13 16:49:19,076 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:49:19,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:49:19,081 INFO L158 Benchmark]: Toolchain (without parser) took 3388.73ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 60.6MB in the end (delta: 19.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-13 16:49:19,082 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:19,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1665.60ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 62.2MB in the end (delta: 17.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 16:49:19,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.48ms. Allocated memory is still 109.1MB. Free memory was 62.2MB in the beginning and 59.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:19,083 INFO L158 Benchmark]: Boogie Preprocessor took 44.39ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 59.0MB in the end (delta: 631.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:19,084 INFO L158 Benchmark]: RCFGBuilder took 564.76ms. Allocated memory is still 109.1MB. Free memory was 58.4MB in the beginning and 44.8MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:49:19,086 INFO L158 Benchmark]: CodeCheck took 1010.72ms. Allocated memory is still 109.1MB. Free memory was 44.2MB in the beginning and 60.6MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:19,086 INFO L158 Benchmark]: Witness Printer took 6.65ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:19,091 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1563. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] data = atoi(inputBuffer) [L1572] CALL funcPtr(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] 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 0.52ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1665.60ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 62.2MB in the end (delta: 17.2MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.48ms. Allocated memory is still 109.1MB. Free memory was 62.2MB in the beginning and 59.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.39ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 59.0MB in the end (delta: 631.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.76ms. Allocated memory is still 109.1MB. Free memory was 58.4MB in the beginning and 44.8MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1010.72ms. Allocated memory is still 109.1MB. Free memory was 44.2MB in the beginning and 60.6MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.65ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:49:19,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:49:22,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:49:22,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:49:22,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:49:22,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:49:22,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:49:22,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:49:22,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:49:22,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:49:22,716 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:49:22,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:49:22,717 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:49:22,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:49:22,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:49:22,720 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:49:22,720 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:49:22,720 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:49:22,720 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:22,720 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:49:22,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:49:22,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:22,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:49:22,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:49:22,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:49:22,725 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:49:22,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:22,725 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:49:22,726 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_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e [2024-11-13 16:49:23,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:49:23,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:49:23,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:49:23,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:49:23,199 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:49:23,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i Unable to find full path for "g++" [2024-11-13 16:49:25,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:49:26,463 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:49:26,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2024-11-13 16:49:26,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/data/982e7790d/d5df1eafb77c4df69a6cfcb9c1bd2e61/FLAGd8a844e90 [2024-11-13 16:49:26,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/data/982e7790d/d5df1eafb77c4df69a6cfcb9c1bd2e61 [2024-11-13 16:49:26,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:49:26,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:49:26,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:26,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:49:26,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:49:26,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:26" (1/1) ... [2024-11-13 16:49:26,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72089291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:26, skipping insertion in model container [2024-11-13 16:49:26,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:49:26" (1/1) ... [2024-11-13 16:49:26,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:49:27,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:27,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:49:27,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:49:27,991 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:49:27,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27 WrapperNode [2024-11-13 16:49:27,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:49:27,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:27,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:49:27,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:49:28,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,079 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 70 [2024-11-13 16:49:28,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:49:28,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:49:28,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:49:28,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:49:28,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:49:28,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:49:28,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:49:28,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:49:28,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:49:27" (1/1) ... [2024-11-13 16:49:28,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:49:28,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:49:28,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:49:28,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:49:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:49:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:49:28,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:49:28,358 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:49:28,532 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 16:49:28,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:49:28,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:49:28,579 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:49:28,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:28 BoogieIcfgContainer [2024-11-13 16:49:28,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:49:28,580 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:49:28,580 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:49:28,591 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:49:28,591 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:28" (1/1) ... [2024-11-13 16:49:28,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:49:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 16:49:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 16:49:28,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:49:28,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:28,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:28,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:28,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:28,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:49:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:28,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:28,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:49:28,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:49:29,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:49:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:29,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 16:49:29,085 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 16:49:29,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:49:29,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:29,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:29,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:29,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:29,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:49:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:29,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:29,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:49:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:49:29,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:49:29,487 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:49:29,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:49:29 ImpRootNode [2024-11-13 16:49:29,526 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:49:29,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:49:29,527 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:49:29,527 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:49:29,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:49:28" (3/4) ... [2024-11-13 16:49:29,531 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:49:29,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:49:29,535 INFO L158 Benchmark]: Toolchain (without parser) took 2979.73ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 88.8MB in the beginning and 204.3MB in the end (delta: -115.5MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-13 16:49:29,538 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:29,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1435.12ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.1MB in the end (delta: 22.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 16:49:29,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.85ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 62.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:29,540 INFO L158 Benchmark]: Boogie Preprocessor took 33.15ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 61.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:49:29,540 INFO L158 Benchmark]: RCFGBuilder took 464.14ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 44.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:49:29,540 INFO L158 Benchmark]: CodeCheck took 946.07ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 44.4MB in the beginning and 204.3MB in the end (delta: -159.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:49:29,541 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 260.0MB. Free memory was 204.3MB in the beginning and 204.3MB in the end (delta: 42.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:49:29,545 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1563. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] data = atoi(inputBuffer) [L1572] CALL funcPtr(data) [L1550] 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] [L1552] 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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1435.12ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.1MB in the end (delta: 22.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.85ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 62.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.15ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 61.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 464.14ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 44.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 946.07ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 44.4MB in the beginning and 204.3MB in the end (delta: -159.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 260.0MB. Free memory was 204.3MB in the beginning and 204.3MB in the end (delta: 42.6kB). 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 [2024-11-13 16:49:29,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c5297e-bac6-4bff-8aaf-d34e12c8e123/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample