./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__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_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/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_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/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_909ba910-7f21-469b-9732-55d2ea6d4589/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 96d4963263642f4592b0ca397fa66ff996e958e14ed7b8874d6fd377a760563a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:21:23,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:21:23,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:21:23,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:21:23,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:21:23,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:21:23,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:21:23,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:21:23,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:21:23,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:21:23,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:21:23,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:21:23,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:21:23,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:21:23,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:21:23,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:21:23,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:21:23,832 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:21:23,832 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:21:23,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:21:23,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:21:23,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:21:23,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:21:23,833 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:21:23,833 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:21:23,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:21:23,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:23,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:21:23,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:21:23,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:21:23,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:21:23,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:21:23,834 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_909ba910-7f21-469b-9732-55d2ea6d4589/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 -> 96d4963263642f4592b0ca397fa66ff996e958e14ed7b8874d6fd377a760563a [2024-11-13 21:21:24,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:21:24,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:21:24,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:21:24,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:21:24,251 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:21:24,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i Unable to find full path for "g++" [2024-11-13 21:21:26,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:21:27,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:21:27,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i [2024-11-13 21:21:27,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/data/d706e41df/1c7f433ca4f9487f87775e7aee34877b/FLAG99911d625 [2024-11-13 21:21:27,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/data/d706e41df/1c7f433ca4f9487f87775e7aee34877b [2024-11-13 21:21:27,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:21:27,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:21:27,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:27,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:21:27,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:21:27,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:27" (1/1) ... [2024-11-13 21:21:27,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1687b84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:27, skipping insertion in model container [2024-11-13 21:21:27,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:27" (1/1) ... [2024-11-13 21:21:27,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:21:28,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:28,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:21:28,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:28,849 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:21:28,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28 WrapperNode [2024-11-13 21:21:28,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:28,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:28,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:21:28,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:21:28,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,920 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71 [2024-11-13 21:21:28,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:28,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:21:28,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:21:28,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:21:28,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:21:28,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:21:28,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:21:28,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:21:28,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:28" (1/1) ... [2024-11-13 21:21:28,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:29,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:21:29,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:21:29,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:21:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:21:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:21:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:21:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:21:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:21:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:21:29,332 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:21:29,334 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:21:29,572 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:21:29,573 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:21:29,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:21:29,640 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:21:29,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:29 BoogieIcfgContainer [2024-11-13 21:21:29,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:21:29,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:21:29,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:21:29,652 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:21:29,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:29" (1/1) ... [2024-11-13 21:21:29,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:21:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:21:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:21:29,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:21:29,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:29,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:30,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:30,152 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:21:30,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:21:30 ImpRootNode [2024-11-13 21:21:30,199 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:21:30,200 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:21:30,200 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:21:30,200 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:21:30,201 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:29" (3/4) ... [2024-11-13 21:21:30,204 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:21:30,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:21:30,207 INFO L158 Benchmark]: Toolchain (without parser) took 3139.71ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 85.0MB in the end (delta: 30.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-13 21:21:30,211 INFO L158 Benchmark]: CDTParser took 2.22ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:30,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1782.61ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.4MB in the end (delta: 60.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:21:30,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.47ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 52.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:21:30,213 INFO L158 Benchmark]: Boogie Preprocessor took 38.77ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 51.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:30,214 INFO L158 Benchmark]: RCFGBuilder took 678.70ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 105.9MB in the end (delta: -54.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 21:21:30,214 INFO L158 Benchmark]: CodeCheck took 557.70ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 85.8MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:30,216 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 85.0MB in the end (delta: 768.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:30,221 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 CWE191_Integer_Underflow__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 2.22ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1782.61ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 55.4MB in the end (delta: 60.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.47ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 52.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.77ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 51.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 678.70ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 105.9MB in the end (delta: -54.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 557.70ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 85.8MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 85.0MB in the end (delta: 768.5kB). 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 21:21:30,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/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_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/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_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/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_909ba910-7f21-469b-9732-55d2ea6d4589/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 96d4963263642f4592b0ca397fa66ff996e958e14ed7b8874d6fd377a760563a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:21:33,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:21:33,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:21:33,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:21:33,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:21:33,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:21:33,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:21:33,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:21:33,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:21:33,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:21:33,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:21:33,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:21:33,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:21:33,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:21:33,880 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:21:33,880 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:21:33,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:21:33,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:21:33,880 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:21:33,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:21:33,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:21:33,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:21:33,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:21:33,883 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:21:33,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:21:33,883 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:33,883 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:21:33,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:21:33,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:33,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:21:33,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:21:33,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:21:33,884 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:21:33,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:33,885 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:21:33,885 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_909ba910-7f21-469b-9732-55d2ea6d4589/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 -> 96d4963263642f4592b0ca397fa66ff996e958e14ed7b8874d6fd377a760563a [2024-11-13 21:21:34,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:21:34,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:21:34,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:21:34,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:21:34,325 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:21:34,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i Unable to find full path for "g++" [2024-11-13 21:21:36,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:21:37,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:21:37,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_44_bad.i [2024-11-13 21:21:37,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/data/2e698b51d/6767a97575c4417ca6976460737d4b8b/FLAG20cd69e27 [2024-11-13 21:21:37,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/data/2e698b51d/6767a97575c4417ca6976460737d4b8b [2024-11-13 21:21:37,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:21:37,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:21:37,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:37,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:21:37,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:21:37,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cb11bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:37, skipping insertion in model container [2024-11-13 21:21:37,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:21:37" (1/1) ... [2024-11-13 21:21:37,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:21:38,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:38,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:21:38,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:21:39,141 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:21:39,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39 WrapperNode [2024-11-13 21:21:39,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:21:39,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:39,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:21:39,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:21:39,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,243 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 70 [2024-11-13 21:21:39,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:21:39,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:21:39,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:21:39,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:21:39,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:21:39,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:21:39,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:21:39,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:21:39,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:21:39" (1/1) ... [2024-11-13 21:21:39,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:21:39,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:21:39,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:21:39,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:21:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:21:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:21:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:21:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:21:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:21:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:21:39,685 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:21:39,688 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:21:39,946 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:21:39,946 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:21:40,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:21:40,032 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:21:40,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:40 BoogieIcfgContainer [2024-11-13 21:21:40,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:21:40,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:21:40,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:21:40,047 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:21:40,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:40" (1/1) ... [2024-11-13 21:21:40,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:21:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 21:21:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:21:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:21:40,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:40,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:21:40,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:21:40,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:21:40,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:21:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:40,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:40,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:21:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:21:40,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:21:40,761 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:21:40,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:21:40 ImpRootNode [2024-11-13 21:21:40,808 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:21:40,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:21:40,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:21:40,810 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:21:40,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:21:40" (3/4) ... [2024-11-13 21:21:40,814 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:21:40,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:21:40,818 INFO L158 Benchmark]: Toolchain (without parser) took 3306.97ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 72.4MB in the end (delta: 17.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-13 21:21:40,819 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1630.87ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 75.8MB in the end (delta: 14.3MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 21:21:40,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.89ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 73.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,820 INFO L158 Benchmark]: Boogie Preprocessor took 60.92ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,821 INFO L158 Benchmark]: RCFGBuilder took 726.13ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 54.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:21:40,821 INFO L158 Benchmark]: CodeCheck took 774.10ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 73.1MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,821 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:21:40,827 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 CWE191_Integer_Underflow__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=-2147483648, 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 0.51ms. Allocated memory is still 83.9MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1630.87ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 75.8MB in the end (delta: 14.3MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.89ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 73.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.92ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 726.13ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 54.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 774.10ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 73.1MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 19.3kB). 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 21:21:40,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909ba910-7f21-469b-9732-55d2ea6d4589/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