./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_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_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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 610cb94f3bf6991d1f764f7949e8baea376a1407d408d5dfdf262b9107a77232 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:23,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:23,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:23,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:23,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:23,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:23,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:23,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:23,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:23,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:23,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:23,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:23,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:23,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:23,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:23,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:23,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:23,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:23,708 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:23,708 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:23,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:23,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:23,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:23,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:23,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:23,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:23,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:23,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:23,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:23,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:23,710 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:23,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:23,710 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_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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 -> 610cb94f3bf6991d1f764f7949e8baea376a1407d408d5dfdf262b9107a77232 [2024-11-13 20:17:24,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:24,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:24,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:24,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:24,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:24,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i Unable to find full path for "g++" [2024-11-13 20:17:26,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:26,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:26,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i [2024-11-13 20:17:26,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/data/60f207d17/9f69815c83934568859b8c9a8ea60f75/FLAGf67201665 [2024-11-13 20:17:26,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/data/60f207d17/9f69815c83934568859b8c9a8ea60f75 [2024-11-13 20:17:26,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:26,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:26,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:26,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:26,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:26,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26, skipping insertion in model container [2024-11-13 20:17:26,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:27,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,464 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:27,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,770 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:27,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27 WrapperNode [2024-11-13 20:17:27,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:27,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:27,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:27,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,846 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-13 20:17:27,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:27,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:27,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:27,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:27,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:27,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:27,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:27,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:27,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:28,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:28,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:28,349 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:28,349 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:28,642 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:28,642 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:28,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28 BoogieIcfgContainer [2024-11-13 20:17:28,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:28,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:28,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:28,655 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:28,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:28,732 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:28,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,397 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:29,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:29 ImpRootNode [2024-11-13 20:17:29,431 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:29,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:29,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:29,433 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:29,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28" (3/4) ... [2024-11-13 20:17:29,436 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:29,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:29,442 INFO L158 Benchmark]: Toolchain (without parser) took 2880.47ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 89.2MB in the beginning and 112.3MB in the end (delta: -23.0MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,442 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1212.31ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.1MB in the end (delta: 8.9MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.86ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,445 INFO L158 Benchmark]: Boogie Preprocessor took 20.66ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,445 INFO L158 Benchmark]: RCFGBuilder took 771.01ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 75.9MB in the beginning and 151.8MB in the end (delta: -75.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,446 INFO L158 Benchmark]: CodeCheck took 786.34ms. Allocated memory is still 184.5MB. Free memory was 151.8MB in the beginning and 112.9MB in the end (delta: 38.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,446 INFO L158 Benchmark]: Witness Printer took 6.62ms. Allocated memory is still 184.5MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,451 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1559]: 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 1567, overapproximation of bitwiseOr at line 1554. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1212.31ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.1MB in the end (delta: 8.9MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.86ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.66ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 771.01ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 75.9MB in the beginning and 151.8MB in the end (delta: -75.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * CodeCheck took 786.34ms. Allocated memory is still 184.5MB. Free memory was 151.8MB in the beginning and 112.9MB in the end (delta: 38.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 6.62ms. Allocated memory is still 184.5MB. Free memory is still 112.3MB. 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 20:17:29,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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 610cb94f3bf6991d1f764f7949e8baea376a1407d408d5dfdf262b9107a77232 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:32,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:32,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:17:32,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:32,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:32,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:32,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:32,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:32,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:32,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:32,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:32,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:32,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:32,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:32,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:32,967 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:32,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:32,967 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:32,968 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:32,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:32,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:32,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:32,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:32,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:32,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:32,969 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:32,969 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:32,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:32,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:32,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:32,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:32,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:32,970 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:32,970 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:32,970 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:32,970 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_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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 -> 610cb94f3bf6991d1f764f7949e8baea376a1407d408d5dfdf262b9107a77232 [2024-11-13 20:17:33,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:33,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:33,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:33,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:33,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:33,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i Unable to find full path for "g++" [2024-11-13 20:17:35,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:35,963 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:35,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i [2024-11-13 20:17:36,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/data/7872987d4/428caa3666f244289a9579110b92ee86/FLAGff30af74d [2024-11-13 20:17:36,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/data/7872987d4/428caa3666f244289a9579110b92ee86 [2024-11-13 20:17:36,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:36,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:36,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:36,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:36,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:36,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d867e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36, skipping insertion in model container [2024-11-13 20:17:36,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:37,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:37,361 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:37,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:37,732 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:37,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37 WrapperNode [2024-11-13 20:17:37,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:37,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:37,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:37,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:37,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,796 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-13 20:17:37,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:37,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:37,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:37,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:37,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:37,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:37,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:37,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:37,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:37,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:37,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:37,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:38,112 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:38,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:38,283 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:38,283 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:38,407 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:38,408 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:38,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:38 BoogieIcfgContainer [2024-11-13 20:17:38,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:38,409 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:38,409 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:38,425 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:38,426 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:38" (1/1) ... [2024-11-13 20:17:38,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:17:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:17:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:17:38,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:38,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:38,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:38,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:38,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:38,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:17:38,952 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:38,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:38 ImpRootNode [2024-11-13 20:17:38,995 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:38,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:38,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:38,997 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:39,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:38" (3/4) ... [2024-11-13 20:17:39,004 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:39,006 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:39,010 INFO L158 Benchmark]: Toolchain (without parser) took 2973.21ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 81.7MB in the end (delta: 9.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:39,011 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:39,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1694.93ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 79.4MB in the end (delta: 11.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 20:17:39,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.59ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:39,012 INFO L158 Benchmark]: Boogie Preprocessor took 48.15ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:39,012 INFO L158 Benchmark]: RCFGBuilder took 562.77ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 57.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:39,016 INFO L158 Benchmark]: CodeCheck took 586.66ms. Allocated memory is still 117.4MB. Free memory was 57.4MB in the beginning and 81.8MB in the end (delta: -24.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:39,017 INFO L158 Benchmark]: Witness Printer took 10.43ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:39,018 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1694.93ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 79.4MB in the end (delta: 11.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.59ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.15ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 562.77ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 57.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 586.66ms. Allocated memory is still 117.4MB. Free memory was 57.4MB in the beginning and 81.8MB in the end (delta: -24.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.43ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:17:39,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083ea882-a4b0-433f-82c5-c7a04f8b6cb4/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample