./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_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_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/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_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/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_590d08a1-9583-46e9-920b-05149f6a8df6/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 b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:00,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:00,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:40:00,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:40:00,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:40:00,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:00,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:00,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:00,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:00,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:00,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:00,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:00,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:40:00,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:00,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:00,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:00,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:00,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:00,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:40:00,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:40:00,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:00,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:00,563 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:00,563 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:00,563 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:00,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:00,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:00,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:00,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:00,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:00,564 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:40:00,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:40:00,564 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_590d08a1-9583-46e9-920b-05149f6a8df6/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 -> b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f [2024-11-13 16:40:00,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:00,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:00,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:00,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:00,942 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:00,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i Unable to find full path for "g++" [2024-11-13 16:40:03,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:03,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:03,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2024-11-13 16:40:03,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/data/904326c70/d320ffb79bcc4106866d96a4055fa062/FLAGf84f5a598 [2024-11-13 16:40:04,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/data/904326c70/d320ffb79bcc4106866d96a4055fa062 [2024-11-13 16:40:04,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:04,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:04,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:04,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:04,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:04,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:04" (1/1) ... [2024-11-13 16:40:04,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e1fe76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:04, skipping insertion in model container [2024-11-13 16:40:04,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:04" (1/1) ... [2024-11-13 16:40:04,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:05,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:05,381 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:05,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:05,676 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:05,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05 WrapperNode [2024-11-13 16:40:05,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:05,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:05,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:05,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:05,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,745 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 47 [2024-11-13 16:40:05,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:05,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:05,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:05,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:05,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:05,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:05,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:05,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:05,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:05" (1/1) ... [2024-11-13 16:40:05,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:05,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:05,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:05,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:40:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:40:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:06,045 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:06,047 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:06,227 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:06,227 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:06,275 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:06,278 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:40:06,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:06 BoogieIcfgContainer [2024-11-13 16:40:06,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:06,280 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:06,280 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:06,295 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:06,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:06" (1/1) ... [2024-11-13 16:40:06,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:40:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:40:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:40:06,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:06,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:06,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:06,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:06,726 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:40:06,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:06 ImpRootNode [2024-11-13 16:40:06,755 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:06,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:06,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:06,759 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:06,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:06" (3/4) ... [2024-11-13 16:40:06,763 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:40:06,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:06,765 INFO L158 Benchmark]: Toolchain (without parser) took 2616.29ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 93.3MB in the end (delta: 21.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-13 16:40:06,765 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:06,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1527.32ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 55.2MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 16:40:06,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.39ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 52.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:06,767 INFO L158 Benchmark]: Boogie Preprocessor took 30.85ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 51.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:06,767 INFO L158 Benchmark]: RCFGBuilder took 501.35ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 107.3MB in the end (delta: -55.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:06,768 INFO L158 Benchmark]: CodeCheck took 475.70ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 93.3MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:06,768 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 142.6MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:06,771 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: 1573]: 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_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52c_badSink(data) [L1571] 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] [L1573] 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 0.53ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1527.32ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 55.2MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.39ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 52.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.85ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 51.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.35ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 107.3MB in the end (delta: -55.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 475.70ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 93.3MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 142.6MB. Free memory is still 93.3MB. 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 16:40:06,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/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_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/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_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/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_590d08a1-9583-46e9-920b-05149f6a8df6/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 b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:09,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:10,008 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:40:10,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:10,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:10,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:10,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:10,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:10,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:10,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:10,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:10,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:10,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:10,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:10,096 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:40:10,096 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:40:10,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:10,098 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:40:10,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:40:10,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:40:10,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:10,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:10,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:10,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:10,099 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:10,099 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:10,099 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:40:10,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:10,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:10,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:10,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:10,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:10,100 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:40:10,100 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:10,100 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:40:10,100 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_590d08a1-9583-46e9-920b-05149f6a8df6/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 -> b69e52373800ace7f1d37835a42b663b5d9a81e3df8c44127a6773368d5f444f [2024-11-13 16:40:10,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:10,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:10,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:10,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:10,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:10,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i Unable to find full path for "g++" [2024-11-13 16:40:12,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:13,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:13,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_bad.i [2024-11-13 16:40:13,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/data/b2eaa116b/7a6ca63cfa784fa09fb0b82f8425b58c/FLAG76a6cf61b [2024-11-13 16:40:13,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/data/b2eaa116b/7a6ca63cfa784fa09fb0b82f8425b58c [2024-11-13 16:40:13,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:13,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:13,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:13,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:13,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:13,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:13" (1/1) ... [2024-11-13 16:40:13,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613198fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:13, skipping insertion in model container [2024-11-13 16:40:13,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:13" (1/1) ... [2024-11-13 16:40:13,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:14,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:14,662 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:14,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:14,973 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:14,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14 WrapperNode [2024-11-13 16:40:14,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:14,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:14,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:14,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:14,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,057 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 46 [2024-11-13 16:40:15,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:15,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:15,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:15,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:15,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:15,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:15,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:15,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:15,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:15,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:15,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:15,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:40:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:40:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:15,433 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:15,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:15,611 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:15,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:15,701 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:15,701 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:40:15,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:15 BoogieIcfgContainer [2024-11-13 16:40:15,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:15,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:15,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:15,715 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:15,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:15" (1/1) ... [2024-11-13 16:40:15,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 16:40:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 16:40:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:40:15,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:15,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:15,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:15,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:15,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:40:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:16,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:16,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:16,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:40:16,253 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:40:16,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:16 ImpRootNode [2024-11-13 16:40:16,356 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:16,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:16,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:16,360 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:16,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:15" (3/4) ... [2024-11-13 16:40:16,365 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:40:16,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:16,370 INFO L158 Benchmark]: Toolchain (without parser) took 2905.34ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 86.6MB in the end (delta: 3.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-13 16:40:16,371 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:16,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1510.54ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.3MB in the end (delta: 21.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:16,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.68ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:16,372 INFO L158 Benchmark]: Boogie Preprocessor took 58.88ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:16,372 INFO L158 Benchmark]: RCFGBuilder took 579.77ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 49.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:16,373 INFO L158 Benchmark]: CodeCheck took 652.25ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 87.3MB in the end (delta: -38.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-13 16:40:16,373 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 86.6MB in the end (delta: 51.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:16,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: 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_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_52c_badSink(data) [L1571] 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] [L1573] 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 0.56ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1510.54ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 68.3MB in the end (delta: 21.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.68ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.88ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.77ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 49.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 652.25ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 87.3MB in the end (delta: -38.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 86.6MB in the end (delta: 51.6kB). 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 16:40:16,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590d08a1-9583-46e9-920b-05149f6a8df6/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