./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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 1f5dc8e5bfc0ce9689b115b82e5c527b55994cc129be8a954a388524f0fff456 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:23,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:23,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:23,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:23,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:24,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:24,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:24,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:24,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:24,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:24,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:24,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:24,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:24,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:24,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:24,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:24,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:24,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:24,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:24,024 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_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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 -> 1f5dc8e5bfc0ce9689b115b82e5c527b55994cc129be8a954a388524f0fff456 [2024-11-13 20:17:24,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:24,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:24,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:24,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:24,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:24,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_bad.i Unable to find full path for "g++" [2024-11-13 20:17:26,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:26,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:26,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_bad.i [2024-11-13 20:17:26,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/data/d9031586b/f097e6ef32534e1f80be9184bb334a96/FLAG4132d6fcd [2024-11-13 20:17:26,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/data/d9031586b/f097e6ef32534e1f80be9184bb334a96 [2024-11-13 20:17:26,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:26,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:26,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:26,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:26,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:26,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f68ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26, skipping insertion in model container [2024-11-13 20:17:26,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:27,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:28,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:28,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:28,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:28,754 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:28,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28 WrapperNode [2024-11-13 20:17:28,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:28,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:28,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:28,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:28,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,813 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-13 20:17:28,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:28,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:28,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:28,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:28,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:28,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:28,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:28,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:28,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:28,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:28,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:28,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:29,103 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:29,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:29,278 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:29,279 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:29,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:29,345 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:29,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:29 BoogieIcfgContainer [2024-11-13 20:17:29,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:29,347 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:29,347 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:29,360 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:29,360 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:29" (1/1) ... [2024-11-13 20:17:29,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:29,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:17:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:17:29,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:29,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:29,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:29,903 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 20:17:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 20:17:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 20:17:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:30,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:30,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:30,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:30,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:30,270 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:17:30,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:30 ImpRootNode [2024-11-13 20:17:30,311 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:30,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:30,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:30,313 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:30,314 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:29" (3/4) ... [2024-11-13 20:17:30,316 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:30,317 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:30,318 INFO L158 Benchmark]: Toolchain (without parser) took 3362.01ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 75.1MB in the end (delta: 14.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 20:17:30,319 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:30,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1797.10ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 82.1MB in the end (delta: 8.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:30,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.01ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:30,320 INFO L158 Benchmark]: Boogie Preprocessor took 23.41ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.5MB in the end (delta: 714.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:30,322 INFO L158 Benchmark]: RCFGBuilder took 506.83ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.6MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:30,323 INFO L158 Benchmark]: CodeCheck took 964.55ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 75.9MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:30,323 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 75.1MB in the end (delta: 763.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:30,327 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, 16 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, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_51_bad() [L1551] int data; [L1552] data = 0 [L1554] 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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_51b_badSink(data) [L1577] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1797.10ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 82.1MB in the end (delta: 8.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.01ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.41ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.5MB in the end (delta: 714.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 506.83ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 64.6MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 964.55ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 75.9MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 75.1MB in the end (delta: 763.6kB). 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 20:17:30,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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 1f5dc8e5bfc0ce9689b115b82e5c527b55994cc129be8a954a388524f0fff456 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:33,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:34,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:17:34,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:34,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:34,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:34,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:34,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:34,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:34,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:34,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:34,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:34,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:34,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:34,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:34,101 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:34,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:34,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:34,102 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:34,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:34,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:34,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:34,103 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:34,103 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:34,103 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:34,103 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:34,104 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:34,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:34,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:34,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:34,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:34,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:34,104 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:34,105 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:34,105 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:34,105 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_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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 -> 1f5dc8e5bfc0ce9689b115b82e5c527b55994cc129be8a954a388524f0fff456 [2024-11-13 20:17:34,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:34,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:34,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:34,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:34,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:34,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_bad.i Unable to find full path for "g++" [2024-11-13 20:17:36,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:37,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:37,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_51_bad.i [2024-11-13 20:17:37,346 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/data/88e1a3786/225e034ab27043b48a79399d89cb704d/FLAG29b68426e [2024-11-13 20:17:37,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/data/88e1a3786/225e034ab27043b48a79399d89cb704d [2024-11-13 20:17:37,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:37,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:37,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:37,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:37,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:37,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3149badd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37, skipping insertion in model container [2024-11-13 20:17:37,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:39,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:39,031 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:39,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:39,358 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:39,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39 WrapperNode [2024-11-13 20:17:39,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:39,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:39,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:39,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:39,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,425 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-13 20:17:39,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:39,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:39,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:39,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:39,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:39,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:39,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:39,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:39,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:39" (1/1) ... [2024-11-13 20:17:39,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:39,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:39,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:39,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:39,746 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:39,748 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:39,934 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:39,934 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:40,001 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:40,001 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:40,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:40 BoogieIcfgContainer [2024-11-13 20:17:40,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:40,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:40,003 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:40,015 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:40,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:40" (1/1) ... [2024-11-13 20:17:40,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 20:17:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 20:17:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:17:40,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:40,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:40,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:40,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:40,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:40,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:40,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:17:40,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:40,484 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 20:17:40,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:17:40,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 20:17:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 20:17:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:17:40,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:40,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:40,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:40,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:40,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:17:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:40,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:41,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:41,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:17:41,150 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:17:41,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:41 ImpRootNode [2024-11-13 20:17:41,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:41,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:41,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:41,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:41,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:40" (3/4) ... [2024-11-13 20:17:41,199 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:41,200 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:41,201 INFO L158 Benchmark]: Toolchain (without parser) took 3386.39ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 50.9MB in the end (delta: 6.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-13 20:17:41,202 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:41,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1540.98ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.5MB in the end (delta: 4.5MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 20:17:41,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.61ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 49.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:41,203 INFO L158 Benchmark]: Boogie Preprocessor took 28.47ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 48.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:41,204 INFO L158 Benchmark]: RCFGBuilder took 546.34ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 31.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:41,204 INFO L158 Benchmark]: CodeCheck took 1190.89ms. Allocated memory is still 83.9MB. Free memory was 31.7MB in the beginning and 51.4MB in the end (delta: -19.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:41,205 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 50.9MB in the end (delta: 6.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:41,208 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 1 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_51_bad() [L1551] int data; [L1552] data = 0 [L1554] 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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_51b_badSink(data) [L1577] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1540.98ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 52.5MB in the end (delta: 4.5MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.61ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 49.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.47ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 48.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.34ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 31.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1190.89ms. Allocated memory is still 83.9MB. Free memory was 31.7MB in the beginning and 51.4MB in the end (delta: -19.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 50.9MB in the end (delta: 6.5kB). 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 20:17:41,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8458a01-a4a8-4697-a7ba-e47f64f497e5/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