./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_03_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_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/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_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/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_c47ee040-890e-429d-b7d1-e0cea0406323/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 965f824ea5d02db5b47385def6f680c9f61185d2affa8a8110cd16641536bfa3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:33:26,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:33:26,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:33:26,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:33:26,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:33:26,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:33:26,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:33:26,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:33:26,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:33:26,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:33:26,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:33:26,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:33:26,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:33:26,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:33:26,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:33:26,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:33:26,990 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:33:26,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:33:26,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:26,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:33:26,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:33:26,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:33:26,991 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:33:26,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:33:26,991 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_c47ee040-890e-429d-b7d1-e0cea0406323/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 -> 965f824ea5d02db5b47385def6f680c9f61185d2affa8a8110cd16641536bfa3 [2024-11-13 21:33:27,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:33:27,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:33:27,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:33:27,312 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:33:27,313 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:33:27,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_03_bad.i Unable to find full path for "g++" [2024-11-13 21:33:29,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:33:29,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:33:29,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_03_bad.i [2024-11-13 21:33:29,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/data/c04bf4731/e22f6fddf6f8415e95ea6608ac9270de/FLAG81123438b [2024-11-13 21:33:29,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/data/c04bf4731/e22f6fddf6f8415e95ea6608ac9270de [2024-11-13 21:33:29,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:33:29,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:33:29,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:29,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:33:29,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:33:29,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:29" (1/1) ... [2024-11-13 21:33:29,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a05d0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:29, skipping insertion in model container [2024-11-13 21:33:29,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:29" (1/1) ... [2024-11-13 21:33:29,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:33:30,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:30,746 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:33:30,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:30,976 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:33:30,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30 WrapperNode [2024-11-13 21:33:30,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:30,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:30,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:33:30,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:33:30,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,022 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-13 21:33:31,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:31,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:33:31,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:33:31,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:33:31,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:33:31,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:33:31,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:33:31,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:33:31,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:30" (1/1) ... [2024-11-13 21:33:31,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:31,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:33:31,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:33:31,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:33:31,126 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:33:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:33:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:33:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:33:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:33:31,309 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:33:31,311 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:33:31,426 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:33:31,426 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:31,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:31,488 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:33:31,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:31 BoogieIcfgContainer [2024-11-13 21:33:31,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:31,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:31,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:31,500 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:31,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:31" (1/1) ... [2024-11-13 21:33:31,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:33:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:33:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:33:31,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:31,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:31,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:31,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:31,865 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:33:31,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:33:31 ImpRootNode [2024-11-13 21:33:31,902 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:33:31,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:33:31,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:33:31,906 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:33:31,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:31" (3/4) ... [2024-11-13 21:33:31,909 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:33:31,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:33:31,913 INFO L158 Benchmark]: Toolchain (without parser) took 2224.69ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 92.9MB in the end (delta: 21.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-13 21:33:31,914 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:31,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1288.38ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 54.6MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:33:31,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.06ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 52.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:31,917 INFO L158 Benchmark]: Boogie Preprocessor took 21.78ms. Allocated memory is still 142.6MB. Free memory was 51.9MB in the beginning and 51.1MB in the end (delta: 800.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:31,917 INFO L158 Benchmark]: RCFGBuilder took 443.10ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 106.6MB in the end (delta: -55.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:31,919 INFO L158 Benchmark]: CodeCheck took 412.44ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 92.9MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:33:31,919 INFO L158 Benchmark]: Witness Printer took 8.42ms. Allocated memory is still 142.6MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:31,922 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_03_bad() [L1550] int data; [L1551] data = 0 [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1288.38ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 54.6MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.06ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 52.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.78ms. Allocated memory is still 142.6MB. Free memory was 51.9MB in the beginning and 51.1MB in the end (delta: 800.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.10ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 106.6MB in the end (delta: -55.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * CodeCheck took 412.44ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 92.9MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.42ms. Allocated memory is still 142.6MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:33:31,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/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_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/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_c47ee040-890e-429d-b7d1-e0cea0406323/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 965f824ea5d02db5b47385def6f680c9f61185d2affa8a8110cd16641536bfa3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:33:34,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:33:34,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:33:34,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:33:34,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:33:34,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:33:34,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:33:34,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:33:34,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:33:34,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:33:34,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:33:34,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:33:34,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:33:34,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:33:34,737 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:33:34,737 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:33:34,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:33:34,737 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:33:34,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:33:34,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:33:34,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:33:34,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:33:34,738 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:33:34,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:33:34,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:33:34,739 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:33:34,739 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:33:34,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:33:34,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:34,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:33:34,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:33:34,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:33:34,740 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:33:34,740 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:33:34,740 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:33:34,740 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_c47ee040-890e-429d-b7d1-e0cea0406323/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 -> 965f824ea5d02db5b47385def6f680c9f61185d2affa8a8110cd16641536bfa3 [2024-11-13 21:33:35,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:33:35,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:33:35,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:33:35,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:33:35,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:33:35,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_03_bad.i Unable to find full path for "g++" [2024-11-13 21:33:37,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:33:37,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:33:37,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_03_bad.i [2024-11-13 21:33:37,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/data/c9d8c2481/67fcdd6275c54a118afa152e362010da/FLAG7efd1f16f [2024-11-13 21:33:37,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/data/c9d8c2481/67fcdd6275c54a118afa152e362010da [2024-11-13 21:33:37,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:33:37,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:33:37,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:37,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:33:37,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:33:37,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:37" (1/1) ... [2024-11-13 21:33:37,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c994b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:37, skipping insertion in model container [2024-11-13 21:33:37,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:37" (1/1) ... [2024-11-13 21:33:37,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:33:38,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:38,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:33:38,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:38,871 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:33:38,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38 WrapperNode [2024-11-13 21:33:38,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:38,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:38,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:33:38,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:33:38,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,921 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 21:33:38,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:38,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:33:38,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:33:38,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:33:38,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:33:38,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:33:38,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:33:38,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:33:38,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:38" (1/1) ... [2024-11-13 21:33:38,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:39,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:33:39,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:33:39,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:33:39,049 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:33:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:33:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:33:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:33:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:33:39,253 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:33:39,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:33:39,378 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:33:39,378 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:39,453 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:39,453 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:33:39,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:39 BoogieIcfgContainer [2024-11-13 21:33:39,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:39,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:39,456 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:39,466 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:39,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:39" (1/1) ... [2024-11-13 21:33:39,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:33:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:33:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:33:39,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:39,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:33:39,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:33:39,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:33:39,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:33:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:39,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:39,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:33:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:33:39,895 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:33:39,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:33:39,900 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:33:39,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:33:39 ImpRootNode [2024-11-13 21:33:39,936 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:33:39,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:33:39,937 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:33:39,937 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:33:39,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:39" (3/4) ... [2024-11-13 21:33:39,941 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:33:39,942 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:33:39,943 INFO L158 Benchmark]: Toolchain (without parser) took 2333.51ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 69.1MB in the end (delta: 12.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-13 21:33:39,945 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:39,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1261.01ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 62.3MB in the end (delta: 19.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 21:33:39,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 59.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:39,946 INFO L158 Benchmark]: Boogie Preprocessor took 48.34ms. Allocated memory is still 109.1MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:39,946 INFO L158 Benchmark]: RCFGBuilder took 484.39ms. Allocated memory is still 109.1MB. Free memory was 58.1MB in the beginning and 43.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:33:39,947 INFO L158 Benchmark]: CodeCheck took 480.06ms. Allocated memory is still 109.1MB. Free memory was 43.2MB in the beginning and 69.3MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:39,947 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 109.1MB. Free memory was 69.3MB in the beginning and 69.1MB in the end (delta: 154.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:33:39,952 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: 0.4s, 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, 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_03_bad() [L1550] int data; [L1551] data = 0 [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1261.01ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 62.3MB in the end (delta: 19.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.39ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 59.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.34ms. Allocated memory is still 109.1MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.39ms. Allocated memory is still 109.1MB. Free memory was 58.1MB in the beginning and 43.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 480.06ms. Allocated memory is still 109.1MB. Free memory was 43.2MB in the beginning and 69.3MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 109.1MB. Free memory was 69.3MB in the beginning and 69.1MB in the end (delta: 154.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:33:39,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c47ee040-890e-429d-b7d1-e0cea0406323/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