./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_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_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/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_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/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_baeeceda-14d0-40e9-8445-2688f24aa6bb/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 39e2627cb77e7b4537288815d80b96bfe0e2c4a530743ad38f3fdfbb40523184 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:50:45,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:50:45,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:50:45,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:50:45,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:50:45,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:50:45,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:50:45,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:50:45,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:50:45,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:50:45,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:50:45,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:50:45,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:50:45,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:50:45,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:50:45,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:50:45,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:50:45,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:50:45,483 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:50:45,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:50:45,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:50:45,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:50:45,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:50:45,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:50:45,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:50:45,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:50:45,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:45,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:50:45,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:50:45,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:50:45,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:50:45,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:50:45,487 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_baeeceda-14d0-40e9-8445-2688f24aa6bb/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 -> 39e2627cb77e7b4537288815d80b96bfe0e2c4a530743ad38f3fdfbb40523184 [2024-11-13 22:50:45,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:50:45,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:50:45,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:50:45,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:50:45,880 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:50:45,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_bad.i Unable to find full path for "g++" [2024-11-13 22:50:47,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:50:48,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:50:48,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_bad.i [2024-11-13 22:50:48,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/data/8258d63e1/e6a4b571db00477eb6164a9e0795080f/FLAG6fd67ae8e [2024-11-13 22:50:48,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/data/8258d63e1/e6a4b571db00477eb6164a9e0795080f [2024-11-13 22:50:48,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:50:48,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:50:48,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:48,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:50:48,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:50:48,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:48" (1/1) ... [2024-11-13 22:50:48,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cc103d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:48, skipping insertion in model container [2024-11-13 22:50:48,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:48" (1/1) ... [2024-11-13 22:50:48,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:50:49,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:49,403 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:50:49,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:49,744 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:50:49,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49 WrapperNode [2024-11-13 22:50:49,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:49,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:49,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:50:49,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:50:49,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,822 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2024-11-13 22:50:49,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:49,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:50:49,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:50:49,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:50:49,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:50:49,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:50:49,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:50:49,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:50:49,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:49,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:50:49,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:50:49,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:50:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:50:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:50:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:50:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:50:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:50:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:50:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:50:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:50:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:50:50,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:50:50,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:50:50,352 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 22:50:50,352 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:50:50,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:50:50,408 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:50:50,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:50 BoogieIcfgContainer [2024-11-13 22:50:50,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:50:50,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:50:50,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:50:50,421 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:50:50,422 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:50" (1/1) ... [2024-11-13 22:50:50,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:50:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:50:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:50:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:50:50,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:50,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:50:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:50,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:50:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:50,822 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:50:50,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:50:50 ImpRootNode [2024-11-13 22:50:50,854 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:50:50,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:50:50,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:50:50,856 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:50:50,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:50" (3/4) ... [2024-11-13 22:50:50,860 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:50:50,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:50:50,864 INFO L158 Benchmark]: Toolchain (without parser) took 2542.98ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 44.7MB in the end (delta: 44.1MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:50,866 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:50,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.50ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.0MB in the end (delta: 8.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 22:50:50,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.31ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 76.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:50,867 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.2MB in the end (delta: 710.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:50,868 INFO L158 Benchmark]: RCFGBuilder took 542.33ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:50:50,868 INFO L158 Benchmark]: CodeCheck took 444.91ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 45.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:50:50,869 INFO L158 Benchmark]: Witness Printer took 6.71ms. Allocated memory is still 117.4MB. Free memory was 45.4MB in the beginning and 44.7MB in the end (delta: 709.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:50,872 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1568]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --data 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 0.34ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.50ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 80.0MB in the end (delta: 8.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.31ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 76.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.2MB in the end (delta: 710.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.33ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 444.91ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 45.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.71ms. Allocated memory is still 117.4MB. Free memory was 45.4MB in the beginning and 44.7MB in the end (delta: 709.7kB). 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 22:50:50,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/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_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/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_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/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_baeeceda-14d0-40e9-8445-2688f24aa6bb/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 39e2627cb77e7b4537288815d80b96bfe0e2c4a530743ad38f3fdfbb40523184 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:50:53,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:50:53,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:50:53,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:50:53,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:50:53,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:50:53,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:50:53,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:50:53,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:50:53,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:50:53,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:50:53,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:50:53,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:50:53,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:50:53,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:53,995 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:50:53,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:50:53,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:53,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:50:53,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:50:53,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:50:53,996 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:50:53,996 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:53,996 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:50:53,996 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_baeeceda-14d0-40e9-8445-2688f24aa6bb/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 -> 39e2627cb77e7b4537288815d80b96bfe0e2c4a530743ad38f3fdfbb40523184 [2024-11-13 22:50:54,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:50:54,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:50:54,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:50:54,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:50:54,315 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:50:54,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_bad.i Unable to find full path for "g++" [2024-11-13 22:50:56,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:50:56,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:50:56,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_bad.i [2024-11-13 22:50:56,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/data/a94fc746b/aaa977f5b0ea4129a9a771d74a577a30/FLAG0a112f499 [2024-11-13 22:50:56,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/data/a94fc746b/aaa977f5b0ea4129a9a771d74a577a30 [2024-11-13 22:50:56,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:50:56,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:50:56,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:56,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:50:56,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:50:56,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:56" (1/1) ... [2024-11-13 22:50:56,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e173d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:56, skipping insertion in model container [2024-11-13 22:50:56,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:56" (1/1) ... [2024-11-13 22:50:56,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:50:57,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:57,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:50:58,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:58,211 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:50:58,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58 WrapperNode [2024-11-13 22:50:58,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:58,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:58,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:50:58,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:50:58,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,265 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2024-11-13 22:50:58,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:58,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:50:58,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:50:58,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:50:58,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:50:58,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:50:58,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:50:58,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:50:58,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:58,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:50:58,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:50:58,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:50:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:50:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:50:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:50:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:50:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:50:58,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:50:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:50:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:50:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:50:58,539 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:50:58,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:50:58,718 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:50:58,718 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:50:58,774 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:50:58,775 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:50:58,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:58 BoogieIcfgContainer [2024-11-13 22:50:58,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:50:58,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:50:58,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:50:58,787 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:50:58,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:58" (1/1) ... [2024-11-13 22:50:58,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:50:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:50:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:50:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:50:58,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:58,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:50:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:50:58,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:50:58,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:50:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:59,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:50:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:59,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:50:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:59,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:50:59,462 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:50:59,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:50:59 ImpRootNode [2024-11-13 22:50:59,497 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:50:59,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:50:59,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:50:59,499 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:50:59,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:58" (3/4) ... [2024-11-13 22:50:59,503 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:50:59,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:50:59,507 INFO L158 Benchmark]: Toolchain (without parser) took 2637.18ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 80.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-13 22:50:59,507 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:59,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.07ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 67.9MB in the end (delta: 20.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-13 22:50:59,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.91ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 65.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:59,508 INFO L158 Benchmark]: Boogie Preprocessor took 41.46ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:59,509 INFO L158 Benchmark]: RCFGBuilder took 467.43ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 47.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:50:59,509 INFO L158 Benchmark]: CodeCheck took 721.08ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 80.4MB in the end (delta: -33.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:59,509 INFO L158 Benchmark]: Witness Printer took 6.37ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 80.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:59,516 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, 12 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1568]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --data 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 0.47ms. Allocated memory is still 117.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.07ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 67.9MB in the end (delta: 20.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.91ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 65.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.46ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.43ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 47.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 721.08ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 80.4MB in the end (delta: -33.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.37ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 80.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:50:59,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baeeceda-14d0-40e9-8445-2688f24aa6bb/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