./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_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_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/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_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/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_0338b055-c3af-437a-ad96-af869e98fef8/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 590289637fb2d37e2763c88c5c7a07cf8acbeb4b4f809060f0fc1b8a75897f82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:56:34,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:56:35,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:56:35,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:56:35,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:56:35,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:56:35,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:56:35,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:56:35,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:56:35,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:56:35,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:56:35,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:56:35,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:56:35,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:56:35,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:56:35,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:56:35,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:56:35,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:56:35,117 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:56:35,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:56:35,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:56:35,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:56:35,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:56:35,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:56:35,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:56:35,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:56:35,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:35,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:56:35,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:56:35,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:56:35,118 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:56:35,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:56:35,118 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_0338b055-c3af-437a-ad96-af869e98fef8/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 -> 590289637fb2d37e2763c88c5c7a07cf8acbeb4b4f809060f0fc1b8a75897f82 [2024-11-13 20:56:35,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:56:35,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:56:35,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:56:35,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:56:35,479 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:56:35,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i Unable to find full path for "g++" [2024-11-13 20:56:37,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:56:37,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:56:37,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i [2024-11-13 20:56:37,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/data/f577378bc/dead69368323475d827f1fb54ee000d1/FLAGf2e4426a0 [2024-11-13 20:56:37,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/data/f577378bc/dead69368323475d827f1fb54ee000d1 [2024-11-13 20:56:37,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:56:38,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:56:38,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:38,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:56:38,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:56:38,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:37" (1/1) ... [2024-11-13 20:56:38,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209d99c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:38, skipping insertion in model container [2024-11-13 20:56:38,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:37" (1/1) ... [2024-11-13 20:56:38,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:56:39,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:39,181 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:56:39,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:39,462 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:56:39,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39 WrapperNode [2024-11-13 20:56:39,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:39,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:39,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:56:39,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:56:39,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,534 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-11-13 20:56:39,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:39,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:56:39,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:56:39,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:56:39,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:56:39,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:56:39,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:56:39,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:56:39,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:39,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:39,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:56:39,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:56:39,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:56:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:56:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:56:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:56:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:56:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:56:39,841 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:56:39,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:56:39,941 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:56:39,941 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:56:39,987 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:56:39,987 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:56:39,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:39 BoogieIcfgContainer [2024-11-13 20:56:39,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:56:39,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:56:39,989 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:56:40,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:56:40,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:39" (1/1) ... [2024-11-13 20:56:40,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:56:40,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:56:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:56:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:56:40,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:40,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:40,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:40,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:40,312 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:56:40,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:56:40 ImpRootNode [2024-11-13 20:56:40,340 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:56:40,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:56:40,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:56:40,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:56:40,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:39" (3/4) ... [2024-11-13 20:56:40,347 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:56:40,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:56:40,350 INFO L158 Benchmark]: Toolchain (without parser) took 2350.51ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 93.5MB in the end (delta: 21.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-13 20:56:40,351 INFO L158 Benchmark]: CDTParser took 1.63ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:40,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.01ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 55.3MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:56:40,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.69ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 52.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:56:40,353 INFO L158 Benchmark]: Boogie Preprocessor took 48.02ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 51.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:40,353 INFO L158 Benchmark]: RCFGBuilder took 403.44ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 106.8MB in the end (delta: -55.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 20:56:40,353 INFO L158 Benchmark]: CodeCheck took 351.78ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 93.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:56:40,354 INFO L158 Benchmark]: Witness Printer took 7.04ms. Allocated memory is still 142.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:40,359 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. 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)={1:0}, 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 CWE191_Integer_Underflow__int_fscanf_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1557] COND TRUE 1 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] [L1560] 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 1.63ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.01ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 55.3MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.69ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 52.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.02ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 51.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.44ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 106.8MB in the end (delta: -55.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 351.78ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 93.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.04ms. Allocated memory is still 142.6MB. Free memory is still 93.5MB. 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 20:56:40,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/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_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/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_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/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_0338b055-c3af-437a-ad96-af869e98fef8/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 590289637fb2d37e2763c88c5c7a07cf8acbeb4b4f809060f0fc1b8a75897f82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:56:43,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:56:43,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:56:43,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:56:43,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:56:43,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:56:43,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:56:43,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:56:43,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:56:43,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:56:43,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:56:43,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:56:43,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:56:43,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:56:43,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:56:43,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:56:43,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:56:43,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:56:43,342 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:56:43,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:56:43,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:56:43,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:56:43,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:56:43,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:56:43,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:56:43,343 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:43,343 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:56:43,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:56:43,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:43,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:56:43,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:56:43,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:56:43,344 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:56:43,344 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:43,344 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:56:43,344 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_0338b055-c3af-437a-ad96-af869e98fef8/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 -> 590289637fb2d37e2763c88c5c7a07cf8acbeb4b4f809060f0fc1b8a75897f82 [2024-11-13 20:56:43,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:56:43,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:56:43,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:56:43,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:56:43,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:56:43,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i Unable to find full path for "g++" [2024-11-13 20:56:45,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:56:46,187 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:56:46,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_16_bad.i [2024-11-13 20:56:46,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/data/660633499/6a11cccdec184cfd930d26e1c7deb51f/FLAG0275f1950 [2024-11-13 20:56:46,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/data/660633499/6a11cccdec184cfd930d26e1c7deb51f [2024-11-13 20:56:46,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:56:46,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:56:46,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:46,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:56:46,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:56:46,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:46" (1/1) ... [2024-11-13 20:56:46,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cea270a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:46, skipping insertion in model container [2024-11-13 20:56:46,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:46" (1/1) ... [2024-11-13 20:56:46,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:56:47,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:47,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:56:47,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:47,587 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:56:47,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47 WrapperNode [2024-11-13 20:56:47,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:47,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:47,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:56:47,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:56:47,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,673 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-13 20:56:47,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:47,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:56:47,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:56:47,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:56:47,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:56:47,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:56:47,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:56:47,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:56:47,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:47" (1/1) ... [2024-11-13 20:56:47,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:47,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:56:47,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:56:47,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:56:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:56:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:56:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:56:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:56:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:56:48,062 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:56:48,064 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:56:48,210 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:56:48,210 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:56:48,310 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:56:48,314 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:56:48,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:48 BoogieIcfgContainer [2024-11-13 20:56:48,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:56:48,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:56:48,317 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:56:48,327 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:56:48,327 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:48" (1/1) ... [2024-11-13 20:56:48,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:56:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:56:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:56:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:56:48,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:48,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:48,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:48,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:48,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:56:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:48,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:48,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:48,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:56:48,811 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:56:48,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:56:48 ImpRootNode [2024-11-13 20:56:48,859 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:56:48,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:56:48,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:56:48,862 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:56:48,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:48" (3/4) ... [2024-11-13 20:56:48,868 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:56:48,870 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:56:48,871 INFO L158 Benchmark]: Toolchain (without parser) took 2605.34ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 37.7MB in the end (delta: 52.1MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-13 20:56:48,874 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:48,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1319.29ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 70.6MB in the end (delta: 18.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 20:56:48,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.49ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 67.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:56:48,876 INFO L158 Benchmark]: Boogie Preprocessor took 58.59ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 66.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:48,876 INFO L158 Benchmark]: RCFGBuilder took 580.16ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 50.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:56:48,877 INFO L158 Benchmark]: CodeCheck took 545.05ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 37.7MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:56:48,881 INFO L158 Benchmark]: Witness Printer took 8.64ms. Allocated memory is still 117.4MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:48,883 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1569. 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)={1:0}, 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 CWE191_Integer_Underflow__int_fscanf_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1557] COND TRUE 1 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] [L1560] 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 0.43ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1319.29ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 70.6MB in the end (delta: 18.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.49ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 67.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.59ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 66.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 580.16ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 50.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 545.05ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 37.7MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.64ms. Allocated memory is still 117.4MB. Free memory is still 37.7MB. 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 20:56:48,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0338b055-c3af-437a-ad96-af869e98fef8/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